./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor404084068
<...>
[ 3.129896][ T30] audit: type=1400 audit(1677118016.260:10): avc: denied { getattr } for pid=80 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 3.370776][ T97] udevd[97]: starting version 3.2.10
[ 3.409311][ T98] udevd[98]: starting eudev-3.2.10
[ 3.412367][ T97] udevd (97) used greatest stack depth: 23568 bytes left
[ 4.205719][ T128] ip (128) used greatest stack depth: 23232 bytes left
[ 4.656435][ T189] sshd (189) used greatest stack depth: 22512 bytes left
[ 11.150288][ T30] kauditd_printk_skb: 49 callbacks suppressed
[ 11.150299][ T30] audit: type=1400 audit(1677118024.320:60): avc: denied { transition } for pid=233 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 11.156433][ T30] audit: type=1400 audit(1677118024.320:61): avc: denied { write } for pid=233 comm="sh" path="pipe:[271]" dev="pipefs" ino=271 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
[ 12.555353][ T234] sshd (234) used greatest stack depth: 22480 bytes left
Warning: Permanently added '10.128.1.139' (ECDSA) to the list of known hosts.
execve("./syz-executor404084068", ["./syz-executor404084068"], 0x7ffe04f8ce50 /* 10 vars */) = 0
brk(NULL) = 0x55555595d000
brk(0x55555595dc40) = 0x55555595dc40
arch_prctl(ARCH_SET_FS, 0x55555595d300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor404084068", 4096) = 27
brk(0x55555597ec40) = 0x55555597ec40
brk(0x55555597f000) = 0x55555597f000
mprotect(0x7fa894e05000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 328
./strace-static-x86_64: Process 328 attached
[pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 328] setpgid(0, 0) = 0
[pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 328] write(3, "1000", 4) = 4
[pid 328] close(3) = 0
[pid 328] memfd_create("syzkaller", 0) = 3
[pid 328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 328] munmap(0x7fa88c94a000, 1048576) = 0
[pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 328] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 328] close(3) = 0
[pid 328] mkdir("./bus", 0777) = 0
[ 24.003521][ T30] audit: type=1400 audit(1677118037.170:62): avc: denied { execmem } for pid=327 comm="syz-executor404" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 24.014553][ T30] audit: type=1400 audit(1677118037.170:63): avc: denied { read write } for pid=327 comm="syz-executor404" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 24.015971][ T328] loop0: detected capacity change from 0 to 2048
[ 24.023386][ T30] audit: type=1400 audit(1677118037.170:64): avc: denied { open } for pid=327 comm="syz-executor404" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 24.047518][ T30] audit: type=1400 audit(1677118037.170:65): avc: denied { ioctl } for pid=327 comm="syz-executor404" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 24.073704][ T30] audit: type=1400 audit(1677118037.200:66): avc: denied { mounton } for pid=328 comm="syz-executor404" path="/root/bus" dev="sda1" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid 328] mount("/dev/loop0", "./bus", "ext4", MS_SYNCHRONOUS|MS_NODIRATIME|MS_REC|MS_I_VERSION, ",errors=continue") = 0
[pid 328] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 328] chdir("./bus") = 0
[pid 328] ioctl(4, LOOP_CLR_FD) = 0
[pid 328] close(4) = 0
[pid 328] chdir("./file0") = 0
[pid 328] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4
[pid 328] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
[pid 328] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 5
[pid 328] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000
[pid 328] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 328] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[ 24.096733][ T328] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none.
[ 24.107396][ T328] ext4 filesystem being mounted at /root/bus supports timestamps until 2038 (0x7fffffff)
[ 24.107416][ T30] audit: type=1400 audit(1677118037.280:67): avc: denied { mount } for pid=328 comm="syz-executor404" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 24.136473][ T328] ==================================================================
[ 24.139317][ T30] audit: type=1400 audit(1677118037.300:68): avc: denied { write } for pid=328 comm="syz-executor404" name="file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 24.146523][ T328] BUG: KASAN: use-after-free in crc16+0x216/0x2a0
[ 24.168823][ T30] audit: type=1400 audit(1677118037.300:69): avc: denied { add_name } for pid=328 comm="syz-executor404" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 24.174813][ T328] Read of size 1 at addr ffff88811eeb9000 by task syz-executor404/328
[ 24.174830][ T328]
[ 24.174854][ T328] CPU: 0 PID: 328 Comm: syz-executor404 Not tainted 5.15.94-syzkaller-03204-g5448b2fda85f #0
[ 24.195831][ T30] audit: type=1400 audit(1677118037.300:70): avc: denied { create } for pid=328 comm="syz-executor404" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 24.203371][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
[ 24.203385][ T328] Call Trace:
[ 24.203391][ T328] <TASK>
[ 24.203398][ T328] dump_stack_lvl+0x151/0x1b7
[ 24.206204][ T30] audit: type=1400 audit(1677118037.300:71): avc: denied { read write open } for pid=328 comm="syz-executor404" path="/root/bus/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 24.215523][ T328] ? io_uring_drop_tctx_refs+0x190/0x190
[ 24.215550][ T328] ? panic+0x751/0x751
[ 24.289301][ T328] print_address_description+0x87/0x3b0
[ 24.294681][ T328] kasan_report+0x179/0x1c0
[ 24.299024][ T328] ? crc16+0x216/0x2a0
[ 24.302924][ T328] ? crc16+0x216/0x2a0
[ 24.306830][ T328] __asan_report_load1_noabort+0x14/0x20
[ 24.312299][ T328] crc16+0x216/0x2a0
[ 24.316033][ T328] ext4_group_desc_csum+0x882/0xb90
[ 24.321150][ T328] ? ext4_group_desc_csum_verify+0x2a0/0x2a0
[ 24.326964][ T328] ? pagecache_get_page+0xddb/0xeb0
[ 24.331999][ T328] ? page_cache_prev_miss+0x410/0x410
[ 24.337208][ T328] ? mb_update_avg_fragment_size+0x89/0x430
[ 24.342937][ T328] ? __kasan_check_write+0x14/0x20
[ 24.347885][ T328] ? mb_test_and_clear_bits+0x22c/0x240
[ 24.353280][ T328] ? ext4_block_bitmap_csum_set+0x1e4/0x520
[ 24.358997][ T328] ? ext4_block_bitmap_csum_verify+0x530/0x530
[ 24.364985][ T328] ext4_group_desc_csum_set+0x1d8/0x270
[ 24.370365][ T328] ext4_free_blocks+0x1c48/0x2ce0
[ 24.375233][ T328] ? ext4_mb_discard_preallocations_should_retry+0x8b0/0x8b0
[ 24.382434][ T328] ? _raw_read_unlock+0x25/0x40
[ 24.387116][ T328] ? ext4_is_pending+0x199/0x1f0
[ 24.391900][ T328] ext4_ext_remove_space+0x29b2/0x4a60
[ 24.397277][ T328] ? __kasan_check_write+0x14/0x20
[ 24.402234][ T328] ? ext4_da_release_space+0x1d0/0x480
[ 24.407511][ T328] ? ext4_ext_index_trans_blocks+0x120/0x120
[ 24.413329][ T328] ? ext4_es_remove_extent+0x1ac/0x380
[ 24.418709][ T328] ? ext4_es_lookup_extent+0x940/0x940
[ 24.424003][ T328] ext4_ext_truncate+0x19a/0x240
[ 24.428778][ T328] ext4_truncate+0x96c/0xfa0
[ 24.433202][ T328] ? __ext4_mark_inode_dirty+0x7a0/0x7a0
[ 24.438672][ T328] ? __kasan_check_read+0x11/0x20
[ 24.443530][ T328] ? ext4_inode_is_fast_symlink+0x322/0x3d0
[ 24.449257][ T328] ? ext4_evict_inode+0xac5/0x14e0
[ 24.454209][ T328] ext4_evict_inode+0xcee/0x14e0
[ 24.458980][ T328] ? _raw_spin_unlock+0x4d/0x70
[ 24.463672][ T328] ? ext4_inode_is_fast_symlink+0x3d0/0x3d0
[ 24.469396][ T328] ? __kasan_check_write+0x14/0x20
[ 24.474342][ T328] ? _raw_spin_lock+0xa4/0x1b0
[ 24.478944][ T328] ? _raw_spin_trylock_bh+0x190/0x190
[ 24.484153][ T328] ? ext4_inode_is_fast_symlink+0x3d0/0x3d0
[ 24.489880][ T328] evict+0x2a3/0x630
[ 24.493614][ T328] iput+0x63b/0x7e0
[ 24.497264][ T328] do_unlinkat+0x4db/0x910
[ 24.501511][ T328] ? fsnotify_link_count+0x100/0x100
[ 24.506631][ T328] ? getname_flags+0x1fd/0x520
[ 24.511230][ T328] __x64_sys_unlink+0x49/0x50
[ 24.515743][ T328] do_syscall_64+0x3d/0xb0
[ 24.519999][ T328] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 24.525728][ T328] RIP: 0033:0x7fa894d97519
[ 24.529980][ T328] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 24.549422][ T328] RSP: 002b:00007fff8175b138 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[ 24.557665][ T328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa894d97519
[ 24.565476][ T328] RDX: ffffffffffffffc0 RSI: 0000000000000080 RDI: 0000000020000200
[ 24.573293][ T328] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 24.581098][ T328] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff8175b170
[ 24.588910][ T328] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 24.596724][ T328] </TASK>
[ 24.599586][ T328]
[ 24.601757][ T328] Allocated by task 328:
[ 24.605838][ T328] __kasan_slab_alloc+0xb1/0xe0
[ 24.610524][ T328] slab_post_alloc_hook+0x53/0x2c0
[ 24.615472][ T328] kmem_cache_alloc+0xf5/0x200
[ 24.620072][ T328] mempool_alloc_slab+0x1d/0x30
[ 24.624755][ T328] mempool_alloc+0x149/0x550
[ 24.629184][ T328] bio_alloc_bioset+0x12a/0x950
[ 24.633870][ T328] submit_bh_wbc+0x1d1/0x6c0
[ 24.638300][ T328] submit_bh+0x28/0x40
[ 24.642202][ T328] ext4_read_bh+0x197/0x240
[ 24.646550][ T328] __ext4_sb_bread_gfp+0x1cf/0x220
[ 24.651491][ T328] ext4_fill_super+0x34d2/0x9680
[ 24.656264][ T328] mount_bdev+0x281/0x3b0
[ 24.660430][ T328] ext4_mount+0x34/0x40
[ 24.664424][ T328] legacy_get_tree+0xf1/0x190
[ 24.668938][ T328] vfs_get_tree+0x88/0x290
[ 24.673188][ T328] do_new_mount+0x28b/0xac0
[ 24.677531][ T328] path_mount+0x671/0x1070
[ 24.681784][ T328] __se_sys_mount+0x2c4/0x3b0
[ 24.686295][ T328] __x64_sys_mount+0xbf/0xd0
[ 24.690738][ T328] do_syscall_64+0x3d/0xb0
[ 24.694987][ T328] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 24.700703][ T328]
[ 24.702874][ T328] Freed by task 13:
[ 24.706518][ T328] kasan_set_track+0x4b/0x70
[ 24.710945][ T328] kasan_set_free_info+0x23/0x40
[ 24.715721][ T328] ____kasan_slab_free+0x126/0x160
[ 24.720668][ T328] __kasan_slab_free+0x11/0x20
[ 24.725267][ T328] slab_free_freelist_hook+0xbd/0x190
[ 24.730474][ T328] kmem_cache_free+0x116/0x2e0
[ 24.735073][ T328] mempool_free_slab+0x1d/0x30
[ 24.739674][ T328] mempool_free+0xd7/0x310
[ 24.743928][ T328] bio_free+0x153/0x1a0
[ 24.747921][ T328] bio_put+0x9a/0x4b0
[ 24.751738][ T328] end_bio_bh_io_sync+0xbf/0x110
[ 24.756510][ T328] bio_endio+0x64a/0x670
[ 24.760595][ T328] blk_update_request+0x683/0x1200
[ 24.765538][ T328] blk_mq_end_request+0x43/0x80
[ 24.770227][ T328] lo_complete_rq+0x151/0x270
[ 24.774739][ T328] blk_done_softirq+0xfd/0x140
[ 24.779340][ T328] __do_softirq+0x26d/0x5bf
[ 24.783677][ T328]
[ 24.785847][ T328] The buggy address belongs to the object at ffff88811eeb9000
[ 24.785847][ T328] which belongs to the cache bio-224 of size 224
[ 24.799398][ T328] The buggy address is located 0 bytes inside of
[ 24.799398][ T328] 224-byte region [ffff88811eeb9000, ffff88811eeb90e0)
[ 24.812322][ T328] The buggy address belongs to the page:
[ 24.817792][ T328] page:ffffea00047bae40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11eeb9
[ 24.827860][ T328] flags: 0x4000000000000200(slab|zone=1)
[ 24.833334][ T328] raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881003a6000
[ 24.841765][ T328] raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000
[ 24.850164][ T328] page dumped because: kasan: bad access detected
[ 24.856416][ T328] page_owner tracks the page as allocated
[ 24.861966][ T328] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x92800(GFP_NOWAIT|__GFP_NOWARN|__GFP_NORETRY|__GFP_NOMEMALLOC), pid 328, ts 24057221355, free_ts 24057165969
[ 24.879246][ T328] post_alloc_hook+0x1a3/0x1b0
[ 24.883840][ T328] get_page_from_freelist+0x2c14/0x2cf0
[ 24.889221][ T328] __alloc_pages+0x386/0x7b0
[ 24.893647][ T328] new_slab+0x92/0x490
[ 24.897555][ T328] ___slab_alloc+0x39e/0x830
[ 24.901980][ T328] __slab_alloc+0x4a/0x90
[ 24.906144][ T328] kmem_cache_alloc+0x134/0x200
[ 24.910836][ T328] mempool_alloc_slab+0x1d/0x30
[ 24.915521][ T328] mempool_alloc+0x149/0x550
[ 24.919960][ T328] bio_alloc_bioset+0x12a/0x950
[ 24.924643][ T328] submit_bh_wbc+0x1d1/0x6c0
[ 24.929064][ T328] submit_bh+0x28/0x40
[ 24.932966][ T328] ext4_read_bh+0x197/0x240
[ 24.937308][ T328] __ext4_sb_bread_gfp+0x1cf/0x220
[ 24.942264][ T328] ext4_fill_super+0x7a5/0x9680
[ 24.946941][ T328] mount_bdev+0x281/0x3b0
[ 24.951108][ T328] page last free stack trace:
[ 24.955621][ T328] free_unref_page_prepare+0x7c8/0x7d0
[ 24.960913][ T328] free_unref_page_list+0x15d/0x980
[ 24.965949][ T328] release_pages+0x1310/0x1370
[ 24.970558][ T328] __pagevec_release+0x84/0x100
[ 24.975236][ T328] truncate_inode_pages_range+0x482/0x1160
[ 24.980876][ T328] truncate_inode_pages+0x24/0x30
[ 24.985735][ T328] set_blocksize+0x30d/0x380
[ 24.990165][ T328] sb_min_blocksize+0xd7/0x190
[ 24.994765][ T328] ext4_fill_super+0x707/0x9680
[ 24.999451][ T328] mount_bdev+0x281/0x3b0
[ 25.003617][ T328] ext4_mount+0x34/0x40
[ 25.007607][ T328] legacy_get_tree+0xf1/0x190
[ 25.012126][ T328] vfs_get_tree+0x88/0x290
[ 25.016373][ T328] do_new_mount+0x28b/0xac0
[ 25.020715][ T328] path_mount+0x671/0x1070
[ 25.024968][ T328] __se_sys_mount+0x2c4/0x3b0
[ 25.029484][ T328]
[ 25.031652][ T328] Memory state around the buggy address:
[ 25.037216][ T328] ffff88811eeb8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 25.045131][ T328] ffff88811eeb8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[pid 328] unlink("./file0") = 0
[pid 328] exit_group(0) = ?
[pid 328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 334
./strace-static-x86_64: Process 334 attached
[pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 334] setpgid(0, 0) = 0
[pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 334] write(3, "1000", 4) = 4
[pid 334] close(3) = 0
[pid 334] memfd_create("syzkaller", 0) = 3
[pid 334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 334] munmap(0x7fa88c94a000, 1048576) = 0
[pid 334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 334] ioctl(4, LOOP_CLR_FD) = 0
[pid 334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 334] close(4) = 0
[pid 334] close(3) = 0
[pid 334] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 334] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 334] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 334] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 334] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 334] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 334] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 334] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 334] exit_group(0) = ?
[pid 334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 335
./strace-static-x86_64: Process 335 attached
[pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 335] setpgid(0, 0) = 0
[pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 335] write(3, "1000", 4) = 4
[pid 335] close(3) = 0
[pid 335] memfd_create("syzkaller", 0) = 3
[pid 335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 335] munmap(0x7fa88c94a000, 1048576) = 0
[pid 335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 335] ioctl(4, LOOP_CLR_FD) = 0
[pid 335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 335] close(4) = 0
[ 25.053008][ T328] >ffff88811eeb9000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 25.060902][ T328] ^
[ 25.064818][ T328] ffff88811eeb9080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[ 25.072711][ T328] ffff88811eeb9100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 25.080644][ T328] ==================================================================
[ 25.088512][ T328] Disabling lock debugging due to kernel taint
[pid 335] close(3) = 0
[pid 335] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 335] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 335] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 335] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 335] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 335] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 335] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 335] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 335] exit_group(0) = ?
[pid 335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 336
./strace-static-x86_64: Process 336 attached
[pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 336] setpgid(0, 0) = 0
[pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 336] write(3, "1000", 4) = 4
[pid 336] close(3) = 0
[pid 336] memfd_create("syzkaller", 0) = 3
[pid 336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 336] munmap(0x7fa88c94a000, 1048576) = 0
[pid 336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 336] ioctl(4, LOOP_CLR_FD) = 0
[pid 336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 336] close(4) = 0
[pid 336] close(3) = 0
[pid 336] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 336] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 336] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 336] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 336] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 336] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 336] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 336] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 336] exit_group(0) = ?
[pid 336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 337
./strace-static-x86_64: Process 337 attached
[pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 337] setpgid(0, 0) = 0
[pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 337] write(3, "1000", 4) = 4
[pid 337] close(3) = 0
[pid 337] memfd_create("syzkaller", 0) = 3
[pid 337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 337] munmap(0x7fa88c94a000, 1048576) = 0
[pid 337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 337] ioctl(4, LOOP_CLR_FD) = 0
[pid 337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 337] close(4) = 0
[pid 337] close(3) = 0
[pid 337] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 337] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 337] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 337] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 337] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 337] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 337] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 337] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 337] exit_group(0) = ?
[pid 337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 338
./strace-static-x86_64: Process 338 attached
[pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 338] setpgid(0, 0) = 0
[pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 338] write(3, "1000", 4) = 4
[pid 338] close(3) = 0
[pid 338] memfd_create("syzkaller", 0) = 3
[pid 338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 338] munmap(0x7fa88c94a000, 1048576) = 0
[pid 338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 338] ioctl(4, LOOP_CLR_FD) = 0
[pid 338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 338] close(4) = 0
[pid 338] close(3) = 0
[pid 338] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 338] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 338] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 338] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 338] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 338] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 338] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 338] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 338] exit_group(0) = ?
[pid 338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 339
./strace-static-x86_64: Process 339 attached
[pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 339] setpgid(0, 0) = 0
[pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 339] write(3, "1000", 4) = 4
[pid 339] close(3) = 0
[pid 339] memfd_create("syzkaller", 0) = 3
[pid 339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 339] munmap(0x7fa88c94a000, 1048576) = 0
[pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 339] ioctl(4, LOOP_CLR_FD) = 0
[pid 339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 339] close(4) = 0
[pid 339] close(3) = 0
[pid 339] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 339] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 339] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 339] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 339] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 339] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 339] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 339] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 339] exit_group(0) = ?
[pid 339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 340
./strace-static-x86_64: Process 340 attached
[pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 340] setpgid(0, 0) = 0
[pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 340] write(3, "1000", 4) = 4
[pid 340] close(3) = 0
[pid 340] memfd_create("syzkaller", 0) = 3
[pid 340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 340] munmap(0x7fa88c94a000, 1048576) = 0
[pid 340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 340] ioctl(4, LOOP_CLR_FD) = 0
[pid 340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 340] close(4) = 0
[pid 340] close(3) = 0
[pid 340] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 340] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 340] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 340] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 340] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 340] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 340] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 340] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 340] exit_group(0) = ?
[pid 340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 341
./strace-static-x86_64: Process 341 attached
[pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 341] setpgid(0, 0) = 0
[pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 341] write(3, "1000", 4) = 4
[pid 341] close(3) = 0
[pid 341] memfd_create("syzkaller", 0) = 3
[pid 341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 341] munmap(0x7fa88c94a000, 1048576) = 0
[pid 341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 341] ioctl(4, LOOP_CLR_FD) = 0
[pid 341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 341] close(4) = 0
[pid 341] close(3) = 0
[pid 341] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 341] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 341] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 341] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 341] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 341] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 341] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 341] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 341] exit_group(0) = ?
[pid 341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 342
./strace-static-x86_64: Process 342 attached
[pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 342] setpgid(0, 0) = 0
[pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 342] write(3, "1000", 4) = 4
[pid 342] close(3) = 0
[pid 342] memfd_create("syzkaller", 0) = 3
[pid 342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 342] munmap(0x7fa88c94a000, 1048576) = 0
[pid 342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 342] ioctl(4, LOOP_CLR_FD) = 0
[pid 342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 342] close(4) = 0
[pid 342] close(3) = 0
[pid 342] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 342] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 342] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 342] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 342] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 342] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 342] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 342] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 342] exit_group(0) = ?
[pid 342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 343
./strace-static-x86_64: Process 343 attached
[pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 343] setpgid(0, 0) = 0
[pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 343] write(3, "1000", 4) = 4
[pid 343] close(3) = 0
[pid 343] memfd_create("syzkaller", 0) = 3
[pid 343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 343] munmap(0x7fa88c94a000, 1048576) = 0
[pid 343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 343] ioctl(4, LOOP_CLR_FD) = 0
[pid 343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 343] close(4) = 0
[pid 343] close(3) = 0
[pid 343] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 343] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 343] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 343] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 343] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 343] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 343] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 343] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 343] exit_group(0) = ?
[pid 343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 344
./strace-static-x86_64: Process 344 attached
[pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 344] setpgid(0, 0) = 0
[pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 344] write(3, "1000", 4) = 4
[pid 344] close(3) = 0
[pid 344] memfd_create("syzkaller", 0) = 3
[pid 344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 344] munmap(0x7fa88c94a000, 1048576) = 0
[pid 344] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 344] ioctl(4, LOOP_CLR_FD) = 0
[pid 344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 344] close(4) = 0
[pid 344] close(3) = 0
[pid 344] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 344] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 344] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 344] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 344] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 344] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 344] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 344] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 344] exit_group(0) = ?
[pid 344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 345
./strace-static-x86_64: Process 345 attached
[pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 345] setpgid(0, 0) = 0
[pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 345] write(3, "1000", 4) = 4
[pid 345] close(3) = 0
[pid 345] memfd_create("syzkaller", 0) = 3
[pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 345] munmap(0x7fa88c94a000, 1048576) = 0
[pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 345] ioctl(4, LOOP_CLR_FD) = 0
[pid 345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 345] close(4) = 0
[pid 345] close(3) = 0
[pid 345] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 345] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 345] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 345] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 345] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 345] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 345] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 345] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 345] exit_group(0) = ?
[pid 345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 346
./strace-static-x86_64: Process 346 attached
[pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 346] setpgid(0, 0) = 0
[pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 346] write(3, "1000", 4) = 4
[pid 346] close(3) = 0
[pid 346] memfd_create("syzkaller", 0) = 3
[pid 346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 346] munmap(0x7fa88c94a000, 1048576) = 0
[pid 346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 346] ioctl(4, LOOP_CLR_FD) = 0
[pid 346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 346] close(4) = 0
[pid 346] close(3) = 0
[pid 346] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 346] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 346] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 346] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 346] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 346] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 346] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 346] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 346] exit_group(0) = ?
[pid 346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 347 attached
, child_tidptr=0x55555595d5d0) = 347
[pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 347] setpgid(0, 0) = 0
[pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 347] write(3, "1000", 4) = 4
[pid 347] close(3) = 0
[pid 347] memfd_create("syzkaller", 0) = 3
[pid 347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 347] munmap(0x7fa88c94a000, 1048576) = 0
[pid 347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 347] ioctl(4, LOOP_CLR_FD) = 0
[pid 347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 347] close(4) = 0
[pid 347] close(3) = 0
[pid 347] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 347] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 347] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 347] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 347] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 347] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 347] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 347] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 347] exit_group(0) = ?
[pid 347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 348
./strace-static-x86_64: Process 348 attached
[pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 348] setpgid(0, 0) = 0
[pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 348] write(3, "1000", 4) = 4
[pid 348] close(3) = 0
[pid 348] memfd_create("syzkaller", 0) = 3
[pid 348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 348] munmap(0x7fa88c94a000, 1048576) = 0
[pid 348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 348] ioctl(4, LOOP_CLR_FD) = 0
[pid 348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 348] close(4) = 0
[pid 348] close(3) = 0
[pid 348] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 348] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 348] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 348] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 348] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 348] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 348] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 348] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 348] exit_group(0) = ?
[pid 348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 349
./strace-static-x86_64: Process 349 attached
[pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 349] setpgid(0, 0) = 0
[pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 349] write(3, "1000", 4) = 4
[pid 349] close(3) = 0
[pid 349] memfd_create("syzkaller", 0) = 3
[pid 349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 349] munmap(0x7fa88c94a000, 1048576) = 0
[pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 349] ioctl(4, LOOP_CLR_FD) = 0
[pid 349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 349] close(4) = 0
[pid 349] close(3) = 0
[pid 349] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 349] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 349] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 349] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 349] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 349] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 349] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 349] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 349] exit_group(0) = ?
[pid 349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 350
./strace-static-x86_64: Process 350 attached
[pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 350] setpgid(0, 0) = 0
[pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 350] write(3, "1000", 4) = 4
[pid 350] close(3) = 0
[pid 350] memfd_create("syzkaller", 0) = 3
[pid 350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 350] munmap(0x7fa88c94a000, 1048576) = 0
[pid 350] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 350] ioctl(4, LOOP_CLR_FD) = 0
[pid 350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 350] close(4) = 0
[pid 350] close(3) = 0
[pid 350] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 350] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 350] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 350] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 350] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 350] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 350] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 350] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 350] exit_group(0) = ?
[pid 350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 351
./strace-static-x86_64: Process 351 attached
[pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 351] setpgid(0, 0) = 0
[pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 351] write(3, "1000", 4) = 4
[pid 351] close(3) = 0
[pid 351] memfd_create("syzkaller", 0) = 3
[pid 351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 351] munmap(0x7fa88c94a000, 1048576) = 0
[pid 351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 351] ioctl(4, LOOP_CLR_FD) = 0
[pid 351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 351] close(4) = 0
[pid 351] close(3) = 0
[pid 351] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 351] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 351] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 351] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 351] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 351] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 351] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 351] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 351] exit_group(0) = ?
[pid 351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 352
./strace-static-x86_64: Process 352 attached
[pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 352] setpgid(0, 0) = 0
[pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 352] write(3, "1000", 4) = 4
[pid 352] close(3) = 0
[pid 352] memfd_create("syzkaller", 0) = 3
[pid 352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 352] munmap(0x7fa88c94a000, 1048576) = 0
[pid 352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 352] ioctl(4, LOOP_CLR_FD) = 0
[pid 352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 352] close(4) = 0
[pid 352] close(3) = 0
[pid 352] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 352] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 352] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 352] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 352] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 352] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 352] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 352] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 352] exit_group(0) = ?
[pid 352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 353
./strace-static-x86_64: Process 353 attached
[pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 353] setpgid(0, 0) = 0
[pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 353] write(3, "1000", 4) = 4
[pid 353] close(3) = 0
[pid 353] memfd_create("syzkaller", 0) = 3
[pid 353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 353] munmap(0x7fa88c94a000, 1048576) = 0
[pid 353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 353] ioctl(4, LOOP_CLR_FD) = 0
[pid 353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 353] close(4) = 0
[pid 353] close(3) = 0
[pid 353] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 353] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 353] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 353] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 353] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 353] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 353] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 353] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 353] exit_group(0) = ?
[pid 353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 354
./strace-static-x86_64: Process 354 attached
[pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 354] setpgid(0, 0) = 0
[pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 354] write(3, "1000", 4) = 4
[pid 354] close(3) = 0
[pid 354] memfd_create("syzkaller", 0) = 3
[pid 354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 354] munmap(0x7fa88c94a000, 1048576) = 0
[pid 354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 354] ioctl(4, LOOP_CLR_FD) = 0
[pid 354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 354] close(4) = 0
[pid 354] close(3) = 0
[pid 354] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 354] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 354] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 354] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 354] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 354] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 354] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 354] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 354] exit_group(0) = ?
[pid 354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 355
./strace-static-x86_64: Process 355 attached
[pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 355] setpgid(0, 0) = 0
[pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 355] write(3, "1000", 4) = 4
[pid 355] close(3) = 0
[pid 355] memfd_create("syzkaller", 0) = 3
[pid 355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 355] munmap(0x7fa88c94a000, 1048576) = 0
[pid 355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 355] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 355] ioctl(4, LOOP_CLR_FD) = 0
[pid 355] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 355] close(4) = 0
[pid 355] close(3) = 0
[pid 355] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 355] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 355] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 355] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 355] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 355] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 355] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 355] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 355] exit_group(0) = ?
[pid 355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 356
./strace-static-x86_64: Process 356 attached
[pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 356] setpgid(0, 0) = 0
[pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 356] write(3, "1000", 4) = 4
[pid 356] close(3) = 0
[pid 356] memfd_create("syzkaller", 0) = 3
[pid 356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 356] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 356] munmap(0x7fa88c94a000, 1048576) = 0
[pid 356] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 356] ioctl(4, LOOP_CLR_FD) = 0
[pid 356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 356] close(4) = 0
[pid 356] close(3) = 0
[pid 356] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 356] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 356] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 356] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 356] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 356] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 356] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 356] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 356] exit_group(0) = ?
[pid 356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 357
./strace-static-x86_64: Process 357 attached
[pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 357] setpgid(0, 0) = 0
[pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 357] write(3, "1000", 4) = 4
[pid 357] close(3) = 0
[pid 357] memfd_create("syzkaller", 0) = 3
[pid 357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 357] munmap(0x7fa88c94a000, 1048576) = 0
[pid 357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 357] ioctl(4, LOOP_CLR_FD) = 0
[pid 357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 357] close(4) = 0
[pid 357] close(3) = 0
[pid 357] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 357] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 357] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 357] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 357] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 357] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 357] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 357] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 357] exit_group(0) = ?
[pid 357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 358
./strace-static-x86_64: Process 358 attached
[pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 358] setpgid(0, 0) = 0
[pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 358] write(3, "1000", 4) = 4
[pid 358] close(3) = 0
[pid 358] memfd_create("syzkaller", 0) = 3
[pid 358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 358] munmap(0x7fa88c94a000, 1048576) = 0
[pid 358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 358] ioctl(4, LOOP_CLR_FD) = 0
[pid 358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 358] close(4) = 0
[pid 358] close(3) = 0
[pid 358] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 358] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 358] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 358] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 358] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 358] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 358] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 358] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 358] exit_group(0) = ?
[pid 358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 359 attached
, child_tidptr=0x55555595d5d0) = 359
[pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 359] setpgid(0, 0) = 0
[pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 359] write(3, "1000", 4) = 4
[pid 359] close(3) = 0
[pid 359] memfd_create("syzkaller", 0) = 3
[pid 359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 359] munmap(0x7fa88c94a000, 1048576) = 0
[pid 359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 359] ioctl(4, LOOP_CLR_FD) = 0
[pid 359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 359] close(4) = 0
[pid 359] close(3) = 0
[pid 359] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 359] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 359] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 359] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 359] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 359] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 359] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 359] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 359] exit_group(0) = ?
[pid 359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 360
./strace-static-x86_64: Process 360 attached
[pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 360] setpgid(0, 0) = 0
[pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 360] write(3, "1000", 4) = 4
[pid 360] close(3) = 0
[pid 360] memfd_create("syzkaller", 0) = 3
[pid 360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 360] munmap(0x7fa88c94a000, 1048576) = 0
[pid 360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 360] ioctl(4, LOOP_CLR_FD) = 0
[pid 360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 360] close(4) = 0
[pid 360] close(3) = 0
[pid 360] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 360] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 360] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 360] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 360] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 360] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 360] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 360] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 360] exit_group(0) = ?
[pid 360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 361
./strace-static-x86_64: Process 361 attached
[pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 361] setpgid(0, 0) = 0
[pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 361] write(3, "1000", 4) = 4
[pid 361] close(3) = 0
[pid 361] memfd_create("syzkaller", 0) = 3
[pid 361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 361] munmap(0x7fa88c94a000, 1048576) = 0
[pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 361] ioctl(4, LOOP_CLR_FD) = 0
[pid 361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 361] close(4) = 0
[pid 361] close(3) = 0
[pid 361] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 361] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 361] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 361] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 361] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 361] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 361] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 361] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 361] exit_group(0) = ?
[pid 361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 362
./strace-static-x86_64: Process 362 attached
[pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 362] setpgid(0, 0) = 0
[pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 362] write(3, "1000", 4) = 4
[pid 362] close(3) = 0
[pid 362] memfd_create("syzkaller", 0) = 3
[pid 362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 362] munmap(0x7fa88c94a000, 1048576) = 0
[pid 362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 362] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 362] ioctl(4, LOOP_CLR_FD) = 0
[pid 362] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 362] close(4) = 0
[pid 362] close(3) = 0
[pid 362] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 362] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 362] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 362] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 362] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 362] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 362] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 362] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 362] exit_group(0) = ?
[pid 362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 363
./strace-static-x86_64: Process 363 attached
[pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 363] setpgid(0, 0) = 0
[pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 363] write(3, "1000", 4) = 4
[pid 363] close(3) = 0
[pid 363] memfd_create("syzkaller", 0) = 3
[pid 363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 363] munmap(0x7fa88c94a000, 1048576) = 0
[pid 363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 363] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 363] ioctl(4, LOOP_CLR_FD) = 0
[pid 363] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 363] close(4) = 0
[pid 363] close(3) = 0
[pid 363] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 363] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 363] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 363] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 363] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 363] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 363] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 363] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 363] exit_group(0) = ?
[pid 363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 364
./strace-static-x86_64: Process 364 attached
[pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 364] setpgid(0, 0) = 0
[pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 364] write(3, "1000", 4) = 4
[pid 364] close(3) = 0
[pid 364] memfd_create("syzkaller", 0) = 3
[pid 364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 364] munmap(0x7fa88c94a000, 1048576) = 0
[pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 364] ioctl(4, LOOP_CLR_FD) = 0
[pid 364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 364] close(4) = 0
[pid 364] close(3) = 0
[pid 364] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 364] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 364] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 364] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 364] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 364] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 364] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 364] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 364] exit_group(0) = ?
[pid 364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 365
./strace-static-x86_64: Process 365 attached
[pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 365] setpgid(0, 0) = 0
[pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 365] write(3, "1000", 4) = 4
[pid 365] close(3) = 0
[pid 365] memfd_create("syzkaller", 0) = 3
[pid 365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 365] munmap(0x7fa88c94a000, 1048576) = 0
[pid 365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 365] ioctl(4, LOOP_CLR_FD) = 0
[pid 365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 365] close(4) = 0
[pid 365] close(3) = 0
[pid 365] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 365] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 365] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 365] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 365] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 365] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 365] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 365] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 365] exit_group(0) = ?
[pid 365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 366
./strace-static-x86_64: Process 366 attached
[pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 366] setpgid(0, 0) = 0
[pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 366] write(3, "1000", 4) = 4
[pid 366] close(3) = 0
[pid 366] memfd_create("syzkaller", 0) = 3
[pid 366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 366] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 366] munmap(0x7fa88c94a000, 1048576) = 0
[pid 366] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 366] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 366] ioctl(4, LOOP_CLR_FD) = 0
[pid 366] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 366] close(4) = 0
[pid 366] close(3) = 0
[pid 366] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 366] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 366] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 366] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 366] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 366] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 366] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 366] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 366] exit_group(0) = ?
[pid 366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 367
./strace-static-x86_64: Process 367 attached
[pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 367] setpgid(0, 0) = 0
[pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 367] write(3, "1000", 4) = 4
[pid 367] close(3) = 0
[pid 367] memfd_create("syzkaller", 0) = 3
[pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 367] munmap(0x7fa88c94a000, 1048576) = 0
[pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 367] ioctl(4, LOOP_CLR_FD) = 0
[pid 367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 367] close(4) = 0
[pid 367] close(3) = 0
[pid 367] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 367] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 367] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 367] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 367] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 367] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 367] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 367] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 367] exit_group(0) = ?
[pid 367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 368
./strace-static-x86_64: Process 368 attached
[pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 368] setpgid(0, 0) = 0
[pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 368] write(3, "1000", 4) = 4
[pid 368] close(3) = 0
[pid 368] memfd_create("syzkaller", 0) = 3
[pid 368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 368] munmap(0x7fa88c94a000, 1048576) = 0
[pid 368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 368] ioctl(4, LOOP_CLR_FD) = 0
[pid 368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 368] close(4) = 0
[pid 368] close(3) = 0
[pid 368] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 368] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 368] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 368] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 368] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 368] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 368] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 368] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 368] exit_group(0) = ?
[pid 368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 369 attached
, child_tidptr=0x55555595d5d0) = 369
[pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 369] setpgid(0, 0) = 0
[pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 369] write(3, "1000", 4) = 4
[pid 369] close(3) = 0
[pid 369] memfd_create("syzkaller", 0) = 3
[pid 369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 369] munmap(0x7fa88c94a000, 1048576) = 0
[pid 369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 369] ioctl(4, LOOP_CLR_FD) = 0
[pid 369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 369] close(4) = 0
[pid 369] close(3) = 0
[pid 369] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 369] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 369] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 369] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 369] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 369] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 369] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 369] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 369] exit_group(0) = ?
[pid 369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 370
./strace-static-x86_64: Process 370 attached
[pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 370] setpgid(0, 0) = 0
[pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 370] write(3, "1000", 4) = 4
[pid 370] close(3) = 0
[pid 370] memfd_create("syzkaller", 0) = 3
[pid 370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 370] munmap(0x7fa88c94a000, 1048576) = 0
[pid 370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 370] ioctl(4, LOOP_CLR_FD) = 0
[pid 370] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 370] close(4) = 0
[pid 370] close(3) = 0
[pid 370] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 370] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 370] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 370] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 370] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 370] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 370] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 370] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 370] exit_group(0) = ?
[pid 370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 371
./strace-static-x86_64: Process 371 attached
[pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 371] setpgid(0, 0) = 0
[pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 371] write(3, "1000", 4) = 4
[pid 371] close(3) = 0
[pid 371] memfd_create("syzkaller", 0) = 3
[pid 371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 371] munmap(0x7fa88c94a000, 1048576) = 0
[pid 371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 371] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 371] ioctl(4, LOOP_CLR_FD) = 0
[pid 371] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 371] close(4) = 0
[pid 371] close(3) = 0
[pid 371] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 371] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 371] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 371] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 371] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 371] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 371] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 371] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 371] exit_group(0) = ?
[pid 371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 372
./strace-static-x86_64: Process 372 attached
[pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 372] setpgid(0, 0) = 0
[pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 372] write(3, "1000", 4) = 4
[pid 372] close(3) = 0
[pid 372] memfd_create("syzkaller", 0) = 3
[pid 372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 372] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 372] munmap(0x7fa88c94a000, 1048576) = 0
[pid 372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 372] ioctl(4, LOOP_CLR_FD) = 0
[pid 372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 372] close(4) = 0
[pid 372] close(3) = 0
[pid 372] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 372] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 372] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 372] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 372] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 372] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 372] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 372] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 372] exit_group(0) = ?
[pid 372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 373
./strace-static-x86_64: Process 373 attached
[pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 373] setpgid(0, 0) = 0
[pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 373] write(3, "1000", 4) = 4
[pid 373] close(3) = 0
[pid 373] memfd_create("syzkaller", 0) = 3
[pid 373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 373] munmap(0x7fa88c94a000, 1048576) = 0
[pid 373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 373] ioctl(4, LOOP_CLR_FD) = 0
[pid 373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 373] close(4) = 0
[pid 373] close(3) = 0
[pid 373] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 373] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 373] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 373] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 373] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 373] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 373] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 373] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 373] exit_group(0) = ?
[pid 373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 375
./strace-static-x86_64: Process 375 attached
[pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 375] setpgid(0, 0) = 0
[pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 375] write(3, "1000", 4) = 4
[pid 375] close(3) = 0
[pid 375] memfd_create("syzkaller", 0) = 3
[pid 375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 375] munmap(0x7fa88c94a000, 1048576) = 0
[pid 375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 375] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 375] ioctl(4, LOOP_CLR_FD) = 0
[pid 375] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 375] close(4) = 0
[pid 375] close(3) = 0
[pid 375] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 375] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 375] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 375] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 375] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 375] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 375] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 375] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 375] exit_group(0) = ?
[pid 375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 376
./strace-static-x86_64: Process 376 attached
[pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 376] setpgid(0, 0) = 0
[pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 376] write(3, "1000", 4) = 4
[pid 376] close(3) = 0
[pid 376] memfd_create("syzkaller", 0) = 3
[pid 376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 376] munmap(0x7fa88c94a000, 1048576) = 0
[pid 376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 376] ioctl(4, LOOP_CLR_FD) = 0
[pid 376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 376] close(4) = 0
[pid 376] close(3) = 0
[pid 376] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 376] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 376] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 376] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 376] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 376] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 376] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 376] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 376] exit_group(0) = ?
[pid 376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 377
./strace-static-x86_64: Process 377 attached
[pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 377] setpgid(0, 0) = 0
[pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 377] write(3, "1000", 4) = 4
[pid 377] close(3) = 0
[pid 377] memfd_create("syzkaller", 0) = 3
[pid 377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 377] munmap(0x7fa88c94a000, 1048576) = 0
[pid 377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 377] ioctl(4, LOOP_CLR_FD) = 0
[pid 377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 377] close(4) = 0
[pid 377] close(3) = 0
[pid 377] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 377] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 377] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 377] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 377] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 377] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 377] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 377] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 377] exit_group(0) = ?
[pid 377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 378
./strace-static-x86_64: Process 378 attached
[pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 378] setpgid(0, 0) = 0
[pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 378] write(3, "1000", 4) = 4
[pid 378] close(3) = 0
[pid 378] memfd_create("syzkaller", 0) = 3
[pid 378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 378] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 378] munmap(0x7fa88c94a000, 1048576) = 0
[pid 378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 378] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 378] ioctl(4, LOOP_CLR_FD) = 0
[pid 378] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 378] close(4) = 0
[pid 378] close(3) = 0
[pid 378] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 378] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 378] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 378] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 378] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 378] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 378] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 378] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 378] exit_group(0) = ?
[pid 378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 379
./strace-static-x86_64: Process 379 attached
[pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 379] setpgid(0, 0) = 0
[pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 379] write(3, "1000", 4) = 4
[pid 379] close(3) = 0
[pid 379] memfd_create("syzkaller", 0) = 3
[pid 379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 379] munmap(0x7fa88c94a000, 1048576) = 0
[pid 379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 379] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 379] ioctl(4, LOOP_CLR_FD) = 0
[pid 379] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 379] close(4) = 0
[pid 379] close(3) = 0
[pid 379] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 379] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 379] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 379] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 379] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 379] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 379] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 379] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 379] exit_group(0) = ?
[pid 379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 380
./strace-static-x86_64: Process 380 attached
[pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 380] setpgid(0, 0) = 0
[pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 380] write(3, "1000", 4) = 4
[pid 380] close(3) = 0
[pid 380] memfd_create("syzkaller", 0) = 3
[pid 380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 380] munmap(0x7fa88c94a000, 1048576) = 0
[pid 380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 380] ioctl(4, LOOP_CLR_FD) = 0
[pid 380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 380] close(4) = 0
[pid 380] close(3) = 0
[pid 380] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 380] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 380] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 380] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 380] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 380] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 380] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 380] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 380] exit_group(0) = ?
[pid 380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 381
./strace-static-x86_64: Process 381 attached
[pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 381] setpgid(0, 0) = 0
[pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 381] write(3, "1000", 4) = 4
[pid 381] close(3) = 0
[pid 381] memfd_create("syzkaller", 0) = 3
[pid 381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 381] munmap(0x7fa88c94a000, 1048576) = 0
[pid 381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 381] ioctl(4, LOOP_CLR_FD) = 0
[pid 381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 381] close(4) = 0
[pid 381] close(3) = 0
[pid 381] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 381] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 381] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 381] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 381] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 381] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 381] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 381] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 381] exit_group(0) = ?
[pid 381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 382
./strace-static-x86_64: Process 382 attached
[pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 382] setpgid(0, 0) = 0
[pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 382] write(3, "1000", 4) = 4
[pid 382] close(3) = 0
[pid 382] memfd_create("syzkaller", 0) = 3
[pid 382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 382] munmap(0x7fa88c94a000, 1048576) = 0
[pid 382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 382] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 382] ioctl(4, LOOP_CLR_FD) = 0
[pid 382] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 382] close(4) = 0
[pid 382] close(3) = 0
[pid 382] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 382] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 382] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 382] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 382] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 382] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 382] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 382] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 382] exit_group(0) = ?
[pid 382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 383
./strace-static-x86_64: Process 383 attached
[pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 383] setpgid(0, 0) = 0
[pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 383] write(3, "1000", 4) = 4
[pid 383] close(3) = 0
[pid 383] memfd_create("syzkaller", 0) = 3
[pid 383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 383] munmap(0x7fa88c94a000, 1048576) = 0
[pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 383] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 383] ioctl(4, LOOP_CLR_FD) = 0
[pid 383] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 383] close(4) = 0
[pid 383] close(3) = 0
[pid 383] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 383] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 383] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 383] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 383] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 383] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 383] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 383] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 383] exit_group(0) = ?
[pid 383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 384
./strace-static-x86_64: Process 384 attached
[pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 384] setpgid(0, 0) = 0
[pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 384] write(3, "1000", 4) = 4
[pid 384] close(3) = 0
[pid 384] memfd_create("syzkaller", 0) = 3
[pid 384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 384] munmap(0x7fa88c94a000, 1048576) = 0
[pid 384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 384] ioctl(4, LOOP_CLR_FD) = 0
[pid 384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 384] close(4) = 0
[pid 384] close(3) = 0
[pid 384] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 384] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 384] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 384] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 384] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 384] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 384] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 384] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 384] exit_group(0) = ?
[pid 384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 385
./strace-static-x86_64: Process 385 attached
[pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 385] setpgid(0, 0) = 0
[pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 385] write(3, "1000", 4) = 4
[pid 385] close(3) = 0
[pid 385] memfd_create("syzkaller", 0) = 3
[pid 385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 385] munmap(0x7fa88c94a000, 1048576) = 0
[pid 385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 385] ioctl(4, LOOP_CLR_FD) = 0
[pid 385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 385] close(4) = 0
[pid 385] close(3) = 0
[pid 385] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 385] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 385] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 385] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 385] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 385] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 385] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 385] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 385] exit_group(0) = ?
[pid 385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 386
./strace-static-x86_64: Process 386 attached
[pid 386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 386] setpgid(0, 0) = 0
[pid 386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 386] write(3, "1000", 4) = 4
[pid 386] close(3) = 0
[pid 386] memfd_create("syzkaller", 0) = 3
[pid 386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 386] munmap(0x7fa88c94a000, 1048576) = 0
[pid 386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 386] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 386] ioctl(4, LOOP_CLR_FD) = 0
[pid 386] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 386] close(4) = 0
[pid 386] close(3) = 0
[pid 386] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 386] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 386] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 386] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 386] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 386] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 386] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 386] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 386] exit_group(0) = ?
[pid 386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 387
./strace-static-x86_64: Process 387 attached
[pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 387] setpgid(0, 0) = 0
[pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 387] write(3, "1000", 4) = 4
[pid 387] close(3) = 0
[pid 387] memfd_create("syzkaller", 0) = 3
[pid 387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 387] munmap(0x7fa88c94a000, 1048576) = 0
[pid 387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 387] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 387] ioctl(4, LOOP_CLR_FD) = 0
[pid 387] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 387] close(4) = 0
[pid 387] close(3) = 0
[pid 387] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 387] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 387] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 387] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 387] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 387] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 387] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 387] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 387] exit_group(0) = ?
[pid 387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 388
./strace-static-x86_64: Process 388 attached
[pid 388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 388] setpgid(0, 0) = 0
[pid 388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 388] write(3, "1000", 4) = 4
[pid 388] close(3) = 0
[pid 388] memfd_create("syzkaller", 0) = 3
[pid 388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 388] munmap(0x7fa88c94a000, 1048576) = 0
[pid 388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 388] ioctl(4, LOOP_CLR_FD) = 0
[pid 388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 388] close(4) = 0
[pid 388] close(3) = 0
[pid 388] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 388] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 388] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 388] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 388] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 388] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 388] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 388] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 388] exit_group(0) = ?
[pid 388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 389
./strace-static-x86_64: Process 389 attached
[pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 389] setpgid(0, 0) = 0
[pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 389] write(3, "1000", 4) = 4
[pid 389] close(3) = 0
[pid 389] memfd_create("syzkaller", 0) = 3
[pid 389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 389] munmap(0x7fa88c94a000, 1048576) = 0
[pid 389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 389] ioctl(4, LOOP_CLR_FD) = 0
[pid 389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 389] close(4) = 0
[pid 389] close(3) = 0
[pid 389] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 389] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 389] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 389] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 389] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 389] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 389] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 389] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 389] exit_group(0) = ?
[pid 389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 390
./strace-static-x86_64: Process 390 attached
[pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 390] setpgid(0, 0) = 0
[pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 390] write(3, "1000", 4) = 4
[pid 390] close(3) = 0
[pid 390] memfd_create("syzkaller", 0) = 3
[pid 390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 390] munmap(0x7fa88c94a000, 1048576) = 0
[pid 390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 390] ioctl(4, LOOP_CLR_FD) = 0
[pid 390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 390] close(4) = 0
[pid 390] close(3) = 0
[pid 390] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 390] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 390] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 390] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 390] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 390] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 390] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 390] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 390] exit_group(0) = ?
[pid 390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 391
./strace-static-x86_64: Process 391 attached
[pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 391] setpgid(0, 0) = 0
[pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 391] write(3, "1000", 4) = 4
[pid 391] close(3) = 0
[pid 391] memfd_create("syzkaller", 0) = 3
[pid 391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 391] munmap(0x7fa88c94a000, 1048576) = 0
[pid 391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 391] ioctl(4, LOOP_CLR_FD) = 0
[pid 391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 391] close(4) = 0
[pid 391] close(3) = 0
[pid 391] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 391] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 391] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 391] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 391] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 391] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 391] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 391] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 391] exit_group(0) = ?
[pid 391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 392
./strace-static-x86_64: Process 392 attached
[pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 392] setpgid(0, 0) = 0
[pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 392] write(3, "1000", 4) = 4
[pid 392] close(3) = 0
[pid 392] memfd_create("syzkaller", 0) = 3
[pid 392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 392] munmap(0x7fa88c94a000, 1048576) = 0
[pid 392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 392] ioctl(4, LOOP_CLR_FD) = 0
[pid 392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 392] close(4) = 0
[pid 392] close(3) = 0
[pid 392] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 392] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 392] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 392] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 392] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 392] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 392] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 392] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 392] exit_group(0) = ?
[pid 392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 393
./strace-static-x86_64: Process 393 attached
[pid 393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 393] setpgid(0, 0) = 0
[pid 393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 393] write(3, "1000", 4) = 4
[pid 393] close(3) = 0
[pid 393] memfd_create("syzkaller", 0) = 3
[pid 393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 393] munmap(0x7fa88c94a000, 1048576) = 0
[pid 393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 393] ioctl(4, LOOP_CLR_FD) = 0
[pid 393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 393] close(4) = 0
[pid 393] close(3) = 0
[pid 393] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 393] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 393] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 393] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 393] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 393] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 393] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 393] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 393] exit_group(0) = ?
[pid 393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 394
./strace-static-x86_64: Process 394 attached
[pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 394] setpgid(0, 0) = 0
[pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 394] write(3, "1000", 4) = 4
[pid 394] close(3) = 0
[pid 394] memfd_create("syzkaller", 0) = 3
[pid 394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 394] munmap(0x7fa88c94a000, 1048576) = 0
[pid 394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 394] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 394] ioctl(4, LOOP_CLR_FD) = 0
[pid 394] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 394] close(4) = 0
[pid 394] close(3) = 0
[pid 394] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 394] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 394] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 394] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 394] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 394] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 394] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 394] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 394] exit_group(0) = ?
[pid 394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 395
./strace-static-x86_64: Process 395 attached
[pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 395] setpgid(0, 0) = 0
[pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 395] write(3, "1000", 4) = 4
[pid 395] close(3) = 0
[pid 395] memfd_create("syzkaller", 0) = 3
[pid 395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 395] munmap(0x7fa88c94a000, 1048576) = 0
[pid 395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 395] ioctl(4, LOOP_CLR_FD) = 0
[pid 395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 395] close(4) = 0
[pid 395] close(3) = 0
[pid 395] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 395] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 395] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 395] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 395] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 395] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 395] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 395] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 395] exit_group(0) = ?
[pid 395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 396
./strace-static-x86_64: Process 396 attached
[pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 396] setpgid(0, 0) = 0
[pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 396] write(3, "1000", 4) = 4
[pid 396] close(3) = 0
[pid 396] memfd_create("syzkaller", 0) = 3
[pid 396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 396] munmap(0x7fa88c94a000, 1048576) = 0
[pid 396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 396] ioctl(4, LOOP_CLR_FD) = 0
[pid 396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 396] close(4) = 0
[pid 396] close(3) = 0
[pid 396] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 396] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 396] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 396] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 396] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 396] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 396] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 396] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 396] exit_group(0) = ?
[pid 396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 397
./strace-static-x86_64: Process 397 attached
[pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 397] setpgid(0, 0) = 0
[pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 397] write(3, "1000", 4) = 4
[pid 397] close(3) = 0
[pid 397] memfd_create("syzkaller", 0) = 3
[pid 397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 397] munmap(0x7fa88c94a000, 1048576) = 0
[pid 397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 397] ioctl(4, LOOP_CLR_FD) = 0
[pid 397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 397] close(4) = 0
[pid 397] close(3) = 0
[pid 397] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 397] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 397] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 397] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 397] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 397] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 397] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 397] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 397] exit_group(0) = ?
[pid 397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 398
./strace-static-x86_64: Process 398 attached
[pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 398] setpgid(0, 0) = 0
[pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 398] write(3, "1000", 4) = 4
[pid 398] close(3) = 0
[pid 398] memfd_create("syzkaller", 0) = 3
[pid 398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 398] munmap(0x7fa88c94a000, 1048576) = 0
[pid 398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 398] ioctl(4, LOOP_CLR_FD) = 0
[pid 398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 398] close(4) = 0
[pid 398] close(3) = 0
[pid 398] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 398] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 398] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 398] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 398] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 398] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 398] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 398] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 398] exit_group(0) = ?
[pid 398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 399 attached
, child_tidptr=0x55555595d5d0) = 399
[pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 399] setpgid(0, 0) = 0
[pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 399] write(3, "1000", 4) = 4
[pid 399] close(3) = 0
[pid 399] memfd_create("syzkaller", 0) = 3
[pid 399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 399] munmap(0x7fa88c94a000, 1048576) = 0
[pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 399] ioctl(4, LOOP_CLR_FD) = 0
[pid 399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 399] close(4) = 0
[pid 399] close(3) = 0
[pid 399] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 399] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 399] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 399] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 399] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 399] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 399] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 399] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 399] exit_group(0) = ?
[pid 399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 400
./strace-static-x86_64: Process 400 attached
[pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 400] setpgid(0, 0) = 0
[pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 400] write(3, "1000", 4) = 4
[pid 400] close(3) = 0
[pid 400] memfd_create("syzkaller", 0) = 3
[pid 400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 400] munmap(0x7fa88c94a000, 1048576) = 0
[pid 400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 400] ioctl(4, LOOP_CLR_FD) = 0
[pid 400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 400] close(4) = 0
[pid 400] close(3) = 0
[pid 400] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 400] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 400] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 400] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 400] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 400] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 400] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 400] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 400] exit_group(0) = ?
[pid 400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 401
./strace-static-x86_64: Process 401 attached
[pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 401] setpgid(0, 0) = 0
[pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 401] write(3, "1000", 4) = 4
[pid 401] close(3) = 0
[pid 401] memfd_create("syzkaller", 0) = 3
[pid 401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 401] munmap(0x7fa88c94a000, 1048576) = 0
[pid 401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 401] ioctl(4, LOOP_CLR_FD) = 0
[pid 401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 401] close(4) = 0
[pid 401] close(3) = 0
[pid 401] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 401] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 401] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 401] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 401] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 401] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 401] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 401] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 401] exit_group(0) = ?
[pid 401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 402
./strace-static-x86_64: Process 402 attached
[pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 402] setpgid(0, 0) = 0
[pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 402] write(3, "1000", 4) = 4
[pid 402] close(3) = 0
[pid 402] memfd_create("syzkaller", 0) = 3
[pid 402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 402] munmap(0x7fa88c94a000, 1048576) = 0
[pid 402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 402] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 402] ioctl(4, LOOP_CLR_FD) = 0
[pid 402] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 402] close(4) = 0
[pid 402] close(3) = 0
[pid 402] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 402] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 402] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 402] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 402] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 402] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 402] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 402] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 402] exit_group(0) = ?
[pid 402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 403
./strace-static-x86_64: Process 403 attached
[pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 403] setpgid(0, 0) = 0
[pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 403] write(3, "1000", 4) = 4
[pid 403] close(3) = 0
[pid 403] memfd_create("syzkaller", 0) = 3
[pid 403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 403] munmap(0x7fa88c94a000, 1048576) = 0
[pid 403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 403] ioctl(4, LOOP_CLR_FD) = 0
[pid 403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 403] close(4) = 0
[pid 403] close(3) = 0
[pid 403] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 403] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 403] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 403] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 403] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 403] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 403] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 403] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 403] exit_group(0) = ?
[pid 403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 404
./strace-static-x86_64: Process 404 attached
[pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 404] setpgid(0, 0) = 0
[pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 404] write(3, "1000", 4) = 4
[pid 404] close(3) = 0
[pid 404] memfd_create("syzkaller", 0) = 3
[pid 404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 404] munmap(0x7fa88c94a000, 1048576) = 0
[pid 404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 404] ioctl(4, LOOP_CLR_FD) = 0
[pid 404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 404] close(4) = 0
[pid 404] close(3) = 0
[pid 404] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 404] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 404] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 404] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 404] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 404] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 404] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 404] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 404] exit_group(0) = ?
[pid 404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 405
./strace-static-x86_64: Process 405 attached
[pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 405] setpgid(0, 0) = 0
[pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 405] write(3, "1000", 4) = 4
[pid 405] close(3) = 0
[pid 405] memfd_create("syzkaller", 0) = 3
[pid 405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 405] munmap(0x7fa88c94a000, 1048576) = 0
[pid 405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 405] ioctl(4, LOOP_CLR_FD) = 0
[pid 405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 405] close(4) = 0
[pid 405] close(3) = 0
[pid 405] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 405] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 405] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 405] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 405] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 405] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 405] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 405] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 405] exit_group(0) = ?
[pid 405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 406
./strace-static-x86_64: Process 406 attached
[pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 406] setpgid(0, 0) = 0
[pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 406] write(3, "1000", 4) = 4
[pid 406] close(3) = 0
[pid 406] memfd_create("syzkaller", 0) = 3
[pid 406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 406] munmap(0x7fa88c94a000, 1048576) = 0
[pid 406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 406] ioctl(4, LOOP_CLR_FD) = 0
[pid 406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 406] close(4) = 0
[pid 406] close(3) = 0
[pid 406] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 406] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 406] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 406] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 406] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 406] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 406] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 406] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 406] exit_group(0) = ?
[pid 406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 407 attached
, child_tidptr=0x55555595d5d0) = 407
[pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 407] setpgid(0, 0) = 0
[pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 407] write(3, "1000", 4) = 4
[pid 407] close(3) = 0
[pid 407] memfd_create("syzkaller", 0) = 3
[pid 407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 407] munmap(0x7fa88c94a000, 1048576) = 0
[pid 407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 407] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 407] ioctl(4, LOOP_CLR_FD) = 0
[pid 407] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 407] close(4) = 0
[pid 407] close(3) = 0
[pid 407] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 407] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 407] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 407] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 407] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 407] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 407] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 407] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 407] exit_group(0) = ?
[pid 407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 408
./strace-static-x86_64: Process 408 attached
[pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 408] setpgid(0, 0) = 0
[pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 408] write(3, "1000", 4) = 4
[pid 408] close(3) = 0
[pid 408] memfd_create("syzkaller", 0) = 3
[pid 408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 408] munmap(0x7fa88c94a000, 1048576) = 0
[pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 408] ioctl(4, LOOP_CLR_FD) = 0
[pid 408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 408] close(4) = 0
[pid 408] close(3) = 0
[pid 408] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 408] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 408] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 408] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 408] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 408] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 408] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 408] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 408] exit_group(0) = ?
[pid 408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 409
./strace-static-x86_64: Process 409 attached
[pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 409] setpgid(0, 0) = 0
[pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 409] write(3, "1000", 4) = 4
[pid 409] close(3) = 0
[pid 409] memfd_create("syzkaller", 0) = 3
[pid 409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 409] munmap(0x7fa88c94a000, 1048576) = 0
[pid 409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 409] ioctl(4, LOOP_CLR_FD) = 0
[pid 409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 409] close(4) = 0
[pid 409] close(3) = 0
[pid 409] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 409] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 409] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 409] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 409] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 409] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 409] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 409] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 409] exit_group(0) = ?
[pid 409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 410 attached
, child_tidptr=0x55555595d5d0) = 410
[pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 410] setpgid(0, 0) = 0
[pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 410] write(3, "1000", 4) = 4
[pid 410] close(3) = 0
[pid 410] memfd_create("syzkaller", 0) = 3
[pid 410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 410] munmap(0x7fa88c94a000, 1048576) = 0
[pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 410] ioctl(4, LOOP_CLR_FD) = 0
[pid 410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 410] close(4) = 0
[pid 410] close(3) = 0
[pid 410] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 410] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 410] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 410] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 410] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 410] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 410] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 410] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 410] exit_group(0) = ?
[pid 410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 411
./strace-static-x86_64: Process 411 attached
[pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 411] setpgid(0, 0) = 0
[pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 411] write(3, "1000", 4) = 4
[pid 411] close(3) = 0
[pid 411] memfd_create("syzkaller", 0) = 3
[pid 411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 411] munmap(0x7fa88c94a000, 1048576) = 0
[pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 411] ioctl(4, LOOP_CLR_FD) = 0
[pid 411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 411] close(4) = 0
[pid 411] close(3) = 0
[pid 411] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 411] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 411] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 411] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 411] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 411] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 411] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 411] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 411] exit_group(0) = ?
[pid 411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 413
./strace-static-x86_64: Process 413 attached
[pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 413] setpgid(0, 0) = 0
[pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 413] write(3, "1000", 4) = 4
[pid 413] close(3) = 0
[pid 413] memfd_create("syzkaller", 0) = 3
[pid 413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 413] munmap(0x7fa88c94a000, 1048576) = 0
[pid 413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 413] ioctl(4, LOOP_CLR_FD) = 0
[pid 413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 413] close(4) = 0
[pid 413] close(3) = 0
[pid 413] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 413] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 413] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 413] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 413] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 413] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 413] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 413] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 413] exit_group(0) = ?
[pid 413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 414
./strace-static-x86_64: Process 414 attached
[pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 414] setpgid(0, 0) = 0
[pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 414] write(3, "1000", 4) = 4
[pid 414] close(3) = 0
[pid 414] memfd_create("syzkaller", 0) = 3
[pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 414] munmap(0x7fa88c94a000, 1048576) = 0
[pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 414] ioctl(4, LOOP_CLR_FD) = 0
[pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 414] close(4) = 0
[pid 414] close(3) = 0
[pid 414] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 414] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 414] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 414] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 414] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 414] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 414] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 414] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 414] exit_group(0) = ?
[pid 414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 415
./strace-static-x86_64: Process 415 attached
[pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 415] setpgid(0, 0) = 0
[pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 415] write(3, "1000", 4) = 4
[pid 415] close(3) = 0
[pid 415] memfd_create("syzkaller", 0) = 3
[pid 415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 415] munmap(0x7fa88c94a000, 1048576) = 0
[pid 415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 415] ioctl(4, LOOP_CLR_FD) = 0
[pid 415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 415] close(4) = 0
[pid 415] close(3) = 0
[pid 415] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 415] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 415] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 415] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 415] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 415] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 415] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 415] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 415] exit_group(0) = ?
[pid 415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 416
./strace-static-x86_64: Process 416 attached
[pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 416] setpgid(0, 0) = 0
[pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 416] write(3, "1000", 4) = 4
[pid 416] close(3) = 0
[pid 416] memfd_create("syzkaller", 0) = 3
[pid 416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 416] munmap(0x7fa88c94a000, 1048576) = 0
[pid 416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 416] ioctl(4, LOOP_CLR_FD) = 0
[pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 416] close(4) = 0
[pid 416] close(3) = 0
[pid 416] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 416] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 416] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 416] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 416] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 416] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 416] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 416] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 416] exit_group(0) = ?
[pid 416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 417 attached
, child_tidptr=0x55555595d5d0) = 417
[pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 417] setpgid(0, 0) = 0
[pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 417] write(3, "1000", 4) = 4
[pid 417] close(3) = 0
[pid 417] memfd_create("syzkaller", 0) = 3
[pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 417] munmap(0x7fa88c94a000, 1048576) = 0
[pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 417] ioctl(4, LOOP_CLR_FD) = 0
[pid 417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 417] close(4) = 0
[pid 417] close(3) = 0
[pid 417] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 417] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 417] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 417] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 417] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 417] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 417] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 417] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 417] exit_group(0) = ?
[pid 417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 418
./strace-static-x86_64: Process 418 attached
[pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 418] setpgid(0, 0) = 0
[pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 418] write(3, "1000", 4) = 4
[pid 418] close(3) = 0
[pid 418] memfd_create("syzkaller", 0) = 3
[pid 418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 418] munmap(0x7fa88c94a000, 1048576) = 0
[pid 418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 418] ioctl(4, LOOP_CLR_FD) = 0
[pid 418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 418] close(4) = 0
[pid 418] close(3) = 0
[pid 418] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 418] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 418] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 418] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 418] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 418] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 418] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 418] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 418] exit_group(0) = ?
[pid 418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 419
./strace-static-x86_64: Process 419 attached
[pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 419] setpgid(0, 0) = 0
[pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 419] write(3, "1000", 4) = 4
[pid 419] close(3) = 0
[pid 419] memfd_create("syzkaller", 0) = 3
[pid 419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 419] munmap(0x7fa88c94a000, 1048576) = 0
[pid 419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 419] ioctl(4, LOOP_CLR_FD) = 0
[pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 419] close(4) = 0
[pid 419] close(3) = 0
[pid 419] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 419] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 419] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 419] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 419] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 419] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 419] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 419] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 419] exit_group(0) = ?
[pid 419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 420 attached
, child_tidptr=0x55555595d5d0) = 420
[pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 420] setpgid(0, 0) = 0
[pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 420] write(3, "1000", 4) = 4
[pid 420] close(3) = 0
[pid 420] memfd_create("syzkaller", 0) = 3
[pid 420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 420] munmap(0x7fa88c94a000, 1048576) = 0
[pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 420] ioctl(4, LOOP_CLR_FD) = 0
[pid 420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 420] close(4) = 0
[pid 420] close(3) = 0
[pid 420] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 420] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 420] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 420] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 420] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 420] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 420] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 420] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 420] exit_group(0) = ?
[pid 420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 421 attached
<unfinished ...>
[pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 327] <... clone resumed>, child_tidptr=0x55555595d5d0) = 421
[pid 421] setpgid(0, 0) = 0
[pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 421] write(3, "1000", 4) = 4
[pid 421] close(3) = 0
[pid 421] memfd_create("syzkaller", 0) = 3
[pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 421] munmap(0x7fa88c94a000, 1048576) = 0
[pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 421] ioctl(4, LOOP_CLR_FD) = 0
[pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 421] close(4) = 0
[pid 421] close(3) = 0
[pid 421] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 421] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 421] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 421] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 421] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 421] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 421] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 421] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 421] exit_group(0) = ?
[pid 421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 422 attached
, child_tidptr=0x55555595d5d0) = 422
[pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 422] setpgid(0, 0) = 0
[pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 422] write(3, "1000", 4) = 4
[pid 422] close(3) = 0
[pid 422] memfd_create("syzkaller", 0) = 3
[pid 422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 422] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 422] munmap(0x7fa88c94a000, 1048576) = 0
[pid 422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 422] ioctl(4, LOOP_CLR_FD) = 0
[pid 422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 422] close(4) = 0
[pid 422] close(3) = 0
[pid 422] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 422] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 422] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 422] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 422] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 422] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 422] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 422] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 422] exit_group(0) = ?
[pid 422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 423
./strace-static-x86_64: Process 423 attached
[pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 423] setpgid(0, 0) = 0
[pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 423] write(3, "1000", 4) = 4
[pid 423] close(3) = 0
[pid 423] memfd_create("syzkaller", 0) = 3
[pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 423] munmap(0x7fa88c94a000, 1048576) = 0
[pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 423] ioctl(4, LOOP_CLR_FD) = 0
[pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 423] close(4) = 0
[pid 423] close(3) = 0
[pid 423] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 423] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 423] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 423] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 423] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 423] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 423] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 423] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 423] exit_group(0) = ?
[pid 423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 424
./strace-static-x86_64: Process 424 attached
[pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 424] setpgid(0, 0) = 0
[pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 424] write(3, "1000", 4) = 4
[pid 424] close(3) = 0
[pid 424] memfd_create("syzkaller", 0) = 3
[pid 424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 424] munmap(0x7fa88c94a000, 1048576) = 0
[pid 424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 424] ioctl(4, LOOP_CLR_FD) = 0
[pid 424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 424] close(4) = 0
[pid 424] close(3) = 0
[pid 424] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 424] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 424] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 424] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 424] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 424] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 424] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 424] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 424] exit_group(0) = ?
[pid 424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 425
./strace-static-x86_64: Process 425 attached
[pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 425] setpgid(0, 0) = 0
[pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 425] write(3, "1000", 4) = 4
[pid 425] close(3) = 0
[pid 425] memfd_create("syzkaller", 0) = 3
[pid 425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 425] munmap(0x7fa88c94a000, 1048576) = 0
[pid 425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 425] ioctl(4, LOOP_CLR_FD) = 0
[pid 425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 425] close(4) = 0
[pid 425] close(3) = 0
[pid 425] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 425] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 425] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 425] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 425] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 425] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 425] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 425] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 425] exit_group(0) = ?
[pid 425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 426 attached
, child_tidptr=0x55555595d5d0) = 426
[pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 426] setpgid(0, 0) = 0
[pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 426] write(3, "1000", 4) = 4
[pid 426] close(3) = 0
[pid 426] memfd_create("syzkaller", 0) = 3
[pid 426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 426] munmap(0x7fa88c94a000, 1048576) = 0
[pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 426] ioctl(4, LOOP_CLR_FD) = 0
[pid 426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 426] close(4) = 0
[pid 426] close(3) = 0
[pid 426] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 426] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 426] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 426] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 426] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 426] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 426] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 426] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 426] exit_group(0) = ?
[pid 426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 427
./strace-static-x86_64: Process 427 attached
[pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 427] setpgid(0, 0) = 0
[pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 427] write(3, "1000", 4) = 4
[pid 427] close(3) = 0
[pid 427] memfd_create("syzkaller", 0) = 3
[pid 427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 427] munmap(0x7fa88c94a000, 1048576) = 0
[pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 427] ioctl(4, LOOP_CLR_FD) = 0
[pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 427] close(4) = 0
[pid 427] close(3) = 0
[pid 427] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 427] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 427] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 427] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 427] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 427] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 427] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 427] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 427] exit_group(0) = ?
[pid 427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 428
./strace-static-x86_64: Process 428 attached
[pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 428] setpgid(0, 0) = 0
[pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 428] write(3, "1000", 4) = 4
[pid 428] close(3) = 0
[pid 428] memfd_create("syzkaller", 0) = 3
[pid 428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 428] munmap(0x7fa88c94a000, 1048576) = 0
[pid 428] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 428] ioctl(4, LOOP_CLR_FD) = 0
[pid 428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 428] close(4) = 0
[pid 428] close(3) = 0
[pid 428] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 428] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 428] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 428] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 428] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 428] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 428] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 428] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 428] exit_group(0) = ?
[pid 428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 429
./strace-static-x86_64: Process 429 attached
[pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 429] setpgid(0, 0) = 0
[pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 429] write(3, "1000", 4) = 4
[pid 429] close(3) = 0
[pid 429] memfd_create("syzkaller", 0) = 3
[pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 429] munmap(0x7fa88c94a000, 1048576) = 0
[pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 429] ioctl(4, LOOP_CLR_FD) = 0
[pid 429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 429] close(4) = 0
[pid 429] close(3) = 0
[pid 429] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 429] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 429] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 429] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 429] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 429] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 429] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 429] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 429] exit_group(0) = ?
[pid 429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 430
./strace-static-x86_64: Process 430 attached
[pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 430] setpgid(0, 0) = 0
[pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 430] write(3, "1000", 4) = 4
[pid 430] close(3) = 0
[pid 430] memfd_create("syzkaller", 0) = 3
[pid 430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 430] munmap(0x7fa88c94a000, 1048576) = 0
[pid 430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 430] ioctl(4, LOOP_CLR_FD) = 0
[pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 430] close(4) = 0
[pid 430] close(3) = 0
[pid 430] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 430] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 430] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 430] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 430] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 430] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 430] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 430] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 430] exit_group(0) = ?
[pid 430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 431
./strace-static-x86_64: Process 431 attached
[pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 431] setpgid(0, 0) = 0
[pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 431] write(3, "1000", 4) = 4
[pid 431] close(3) = 0
[pid 431] memfd_create("syzkaller", 0) = 3
[pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 431] munmap(0x7fa88c94a000, 1048576) = 0
[pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 431] ioctl(4, LOOP_CLR_FD) = 0
[pid 431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 431] close(4) = 0
[pid 431] close(3) = 0
[pid 431] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 431] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 431] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 431] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 431] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 431] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 431] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 431] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 431] exit_group(0) = ?
[pid 431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 432
./strace-static-x86_64: Process 432 attached
[pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 432] setpgid(0, 0) = 0
[pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 432] write(3, "1000", 4) = 4
[pid 432] close(3) = 0
[pid 432] memfd_create("syzkaller", 0) = 3
[pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 432] munmap(0x7fa88c94a000, 1048576) = 0
[pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 432] ioctl(4, LOOP_CLR_FD) = 0
[pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 432] close(4) = 0
[pid 432] close(3) = 0
[pid 432] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 432] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 432] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 432] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 432] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 432] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 432] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 432] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 432] exit_group(0) = ?
[pid 432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 433
./strace-static-x86_64: Process 433 attached
[pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 433] setpgid(0, 0) = 0
[pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 433] write(3, "1000", 4) = 4
[pid 433] close(3) = 0
[pid 433] memfd_create("syzkaller", 0) = 3
[pid 433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 433] munmap(0x7fa88c94a000, 1048576) = 0
[pid 433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 433] ioctl(4, LOOP_CLR_FD) = 0
[pid 433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 433] close(4) = 0
[pid 433] close(3) = 0
[pid 433] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 433] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 433] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 433] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 433] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 433] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 433] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 433] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 433] exit_group(0) = ?
[pid 433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 434
./strace-static-x86_64: Process 434 attached
[pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 434] setpgid(0, 0) = 0
[pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 434] write(3, "1000", 4) = 4
[pid 434] close(3) = 0
[pid 434] memfd_create("syzkaller", 0) = 3
[pid 434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 434] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 434] munmap(0x7fa88c94a000, 1048576) = 0
[pid 434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 434] ioctl(4, LOOP_CLR_FD) = 0
[pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 434] close(4) = 0
[pid 434] close(3) = 0
[pid 434] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 434] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 434] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 434] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 434] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 434] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 434] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 434] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 434] exit_group(0) = ?
[pid 434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 435
./strace-static-x86_64: Process 435 attached
[pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 435] setpgid(0, 0) = 0
[pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 435] write(3, "1000", 4) = 4
[pid 435] close(3) = 0
[pid 435] memfd_create("syzkaller", 0) = 3
[pid 435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 435] munmap(0x7fa88c94a000, 1048576) = 0
[pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 435] ioctl(4, LOOP_CLR_FD) = 0
[pid 435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 435] close(4) = 0
[pid 435] close(3) = 0
[pid 435] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 435] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 435] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 435] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 435] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 435] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 435] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 435] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 435] exit_group(0) = ?
[pid 435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 436
./strace-static-x86_64: Process 436 attached
[pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 436] setpgid(0, 0) = 0
[pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 436] write(3, "1000", 4) = 4
[pid 436] close(3) = 0
[pid 436] memfd_create("syzkaller", 0) = 3
[pid 436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 436] munmap(0x7fa88c94a000, 1048576) = 0
[pid 436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 436] ioctl(4, LOOP_CLR_FD) = 0
[pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 436] close(4) = 0
[pid 436] close(3) = 0
[pid 436] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 436] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 436] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 436] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 436] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 436] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 436] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 436] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 436] exit_group(0) = ?
[pid 436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 437
./strace-static-x86_64: Process 437 attached
[pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 437] setpgid(0, 0) = 0
[pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 437] write(3, "1000", 4) = 4
[pid 437] close(3) = 0
[pid 437] memfd_create("syzkaller", 0) = 3
[pid 437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 437] munmap(0x7fa88c94a000, 1048576) = 0
[pid 437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 437] ioctl(4, LOOP_CLR_FD) = 0
[pid 437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 437] close(4) = 0
[pid 437] close(3) = 0
[pid 437] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 437] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 437] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 437] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 437] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 437] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 437] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 437] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 437] exit_group(0) = ?
[pid 437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 438
./strace-static-x86_64: Process 438 attached
[pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 438] setpgid(0, 0) = 0
[pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 438] write(3, "1000", 4) = 4
[pid 438] close(3) = 0
[pid 438] memfd_create("syzkaller", 0) = 3
[pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 438] munmap(0x7fa88c94a000, 1048576) = 0
[pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 438] ioctl(4, LOOP_CLR_FD) = 0
[pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 438] close(4) = 0
[pid 438] close(3) = 0
[pid 438] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 438] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 438] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 438] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 438] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 438] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 438] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 438] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 438] exit_group(0) = ?
[pid 438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 439
./strace-static-x86_64: Process 439 attached
[pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 439] setpgid(0, 0) = 0
[pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 439] write(3, "1000", 4) = 4
[pid 439] close(3) = 0
[pid 439] memfd_create("syzkaller", 0) = 3
[pid 439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 439] munmap(0x7fa88c94a000, 1048576) = 0
[pid 439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 439] ioctl(4, LOOP_CLR_FD) = 0
[pid 439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 439] close(4) = 0
[pid 439] close(3) = 0
[pid 439] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 439] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 439] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 439] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 439] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 439] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 439] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 439] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 439] exit_group(0) = ?
[pid 439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 440
./strace-static-x86_64: Process 440 attached
[pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 440] setpgid(0, 0) = 0
[pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 440] write(3, "1000", 4) = 4
[pid 440] close(3) = 0
[pid 440] memfd_create("syzkaller", 0) = 3
[pid 440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 440] munmap(0x7fa88c94a000, 1048576) = 0
[pid 440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 440] ioctl(4, LOOP_CLR_FD) = 0
[pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 440] close(4) = 0
[pid 440] close(3) = 0
[pid 440] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 440] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 440] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 440] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 440] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 440] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 440] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 440] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 440] exit_group(0) = ?
[pid 440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 441
./strace-static-x86_64: Process 441 attached
[pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 441] setpgid(0, 0) = 0
[pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 441] write(3, "1000", 4) = 4
[pid 441] close(3) = 0
[pid 441] memfd_create("syzkaller", 0) = 3
[pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 441] munmap(0x7fa88c94a000, 1048576) = 0
[pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 441] ioctl(4, LOOP_CLR_FD) = 0
[pid 441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 441] close(4) = 0
[pid 441] close(3) = 0
[pid 441] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 441] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 441] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 441] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 441] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 441] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 441] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 441] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 441] exit_group(0) = ?
[pid 441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 442
./strace-static-x86_64: Process 442 attached
[pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 442] setpgid(0, 0) = 0
[pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 442] write(3, "1000", 4) = 4
[pid 442] close(3) = 0
[pid 442] memfd_create("syzkaller", 0) = 3
[pid 442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 442] munmap(0x7fa88c94a000, 1048576) = 0
[pid 442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 442] ioctl(4, LOOP_CLR_FD) = 0
[pid 442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 442] close(4) = 0
[pid 442] close(3) = 0
[pid 442] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 442] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 442] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 442] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 442] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 442] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 442] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 442] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 442] exit_group(0) = ?
[pid 442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 443
./strace-static-x86_64: Process 443 attached
[pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 443] setpgid(0, 0) = 0
[pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 443] write(3, "1000", 4) = 4
[pid 443] close(3) = 0
[pid 443] memfd_create("syzkaller", 0) = 3
[pid 443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 443] munmap(0x7fa88c94a000, 1048576) = 0
[pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 443] ioctl(4, LOOP_CLR_FD) = 0
[pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 443] close(4) = 0
[pid 443] close(3) = 0
[pid 443] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 443] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 443] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 443] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 443] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 443] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 443] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 443] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 443] exit_group(0) = ?
[pid 443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 444
./strace-static-x86_64: Process 444 attached
[pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 444] setpgid(0, 0) = 0
[pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 444] write(3, "1000", 4) = 4
[pid 444] close(3) = 0
[pid 444] memfd_create("syzkaller", 0) = 3
[pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 444] munmap(0x7fa88c94a000, 1048576) = 0
[pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 444] ioctl(4, LOOP_CLR_FD) = 0
[pid 444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 444] close(4) = 0
[pid 444] close(3) = 0
[pid 444] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 444] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 444] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 444] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 444] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 444] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 444] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 444] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 444] exit_group(0) = ?
[pid 444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 445
./strace-static-x86_64: Process 445 attached
[pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 445] setpgid(0, 0) = 0
[pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 445] write(3, "1000", 4) = 4
[pid 445] close(3) = 0
[pid 445] memfd_create("syzkaller", 0) = 3
[pid 445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 445] munmap(0x7fa88c94a000, 1048576) = 0
[pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 445] ioctl(4, LOOP_CLR_FD) = 0
[pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 445] close(4) = 0
[pid 445] close(3) = 0
[pid 445] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 445] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 445] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 445] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 445] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 445] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 445] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 445] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 445] exit_group(0) = ?
[pid 445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 446
./strace-static-x86_64: Process 446 attached
[pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 446] setpgid(0, 0) = 0
[pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 446] write(3, "1000", 4) = 4
[pid 446] close(3) = 0
[pid 446] memfd_create("syzkaller", 0) = 3
[pid 446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 446] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 446] munmap(0x7fa88c94a000, 1048576) = 0
[pid 446] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 446] ioctl(4, LOOP_CLR_FD) = 0
[pid 446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 446] close(4) = 0
[pid 446] close(3) = 0
[pid 446] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 446] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 446] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 446] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 446] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 446] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 446] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 446] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 446] exit_group(0) = ?
[pid 446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 447
./strace-static-x86_64: Process 447 attached
[pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 447] setpgid(0, 0) = 0
[pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 447] write(3, "1000", 4) = 4
[pid 447] close(3) = 0
[pid 447] memfd_create("syzkaller", 0) = 3
[pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 447] munmap(0x7fa88c94a000, 1048576) = 0
[pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 447] ioctl(4, LOOP_CLR_FD) = 0
[pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 447] close(4) = 0
[pid 447] close(3) = 0
[pid 447] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 447] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 447] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 447] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 447] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 447] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 447] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 447] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 447] exit_group(0) = ?
[pid 447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 448
./strace-static-x86_64: Process 448 attached
[pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 448] setpgid(0, 0) = 0
[pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 448] write(3, "1000", 4) = 4
[pid 448] close(3) = 0
[pid 448] memfd_create("syzkaller", 0) = 3
[pid 448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 448] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 448] munmap(0x7fa88c94a000, 1048576) = 0
[pid 448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 448] ioctl(4, LOOP_CLR_FD) = 0
[pid 448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 448] close(4) = 0
[pid 448] close(3) = 0
[pid 448] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 448] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 448] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 448] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 448] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 448] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 448] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 448] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 448] exit_group(0) = ?
[pid 448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 449
./strace-static-x86_64: Process 449 attached
[pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 449] setpgid(0, 0) = 0
[pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 449] write(3, "1000", 4) = 4
[pid 449] close(3) = 0
[pid 449] memfd_create("syzkaller", 0) = 3
[pid 449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 449] munmap(0x7fa88c94a000, 1048576) = 0
[pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 449] ioctl(4, LOOP_CLR_FD) = 0
[pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 449] close(4) = 0
[pid 449] close(3) = 0
[pid 449] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 449] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 449] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 449] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 449] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 449] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 449] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 449] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 449] exit_group(0) = ?
[pid 449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 450 attached
, child_tidptr=0x55555595d5d0) = 450
[pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 450] setpgid(0, 0) = 0
[pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 450] write(3, "1000", 4) = 4
[pid 450] close(3) = 0
[pid 450] memfd_create("syzkaller", 0) = 3
[pid 450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 450] munmap(0x7fa88c94a000, 1048576) = 0
[pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 450] ioctl(4, LOOP_CLR_FD) = 0
[pid 450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 450] close(4) = 0
[pid 450] close(3) = 0
[pid 450] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 450] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 450] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 450] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 450] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 450] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 450] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 450] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 450] exit_group(0) = ?
[pid 450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 451
./strace-static-x86_64: Process 451 attached
[pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 451] setpgid(0, 0) = 0
[pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 451] write(3, "1000", 4) = 4
[pid 451] close(3) = 0
[pid 451] memfd_create("syzkaller", 0) = 3
[pid 451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 451] munmap(0x7fa88c94a000, 1048576) = 0
[pid 451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 451] ioctl(4, LOOP_CLR_FD) = 0
[pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 451] close(4) = 0
[pid 451] close(3) = 0
[pid 451] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 451] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 451] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 451] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 451] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 451] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 451] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 451] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 451] exit_group(0) = ?
[pid 451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 453
./strace-static-x86_64: Process 453 attached
[pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 453] setpgid(0, 0) = 0
[pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 453] write(3, "1000", 4) = 4
[pid 453] close(3) = 0
[pid 453] memfd_create("syzkaller", 0) = 3
[pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 453] munmap(0x7fa88c94a000, 1048576) = 0
[pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 453] ioctl(4, LOOP_CLR_FD) = 0
[pid 453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 453] close(4) = 0
[pid 453] close(3) = 0
[pid 453] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 453] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 453] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 453] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 453] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 453] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 453] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 453] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 453] exit_group(0) = ?
[pid 453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 454
./strace-static-x86_64: Process 454 attached
[pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 454] setpgid(0, 0) = 0
[pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 454] write(3, "1000", 4) = 4
[pid 454] close(3) = 0
[pid 454] memfd_create("syzkaller", 0) = 3
[pid 454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 454] munmap(0x7fa88c94a000, 1048576) = 0
[pid 454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 454] ioctl(4, LOOP_CLR_FD) = 0
[pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 454] close(4) = 0
[pid 454] close(3) = 0
[pid 454] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 454] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 454] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 454] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 454] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 454] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 454] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 454] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 454] exit_group(0) = ?
[pid 454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 455 attached
, child_tidptr=0x55555595d5d0) = 455
[pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 455] setpgid(0, 0) = 0
[pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 455] write(3, "1000", 4) = 4
[pid 455] close(3) = 0
[pid 455] memfd_create("syzkaller", 0) = 3
[pid 455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 455] munmap(0x7fa88c94a000, 1048576) = 0
[pid 455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 455] ioctl(4, LOOP_CLR_FD) = 0
[pid 455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 455] close(4) = 0
[pid 455] close(3) = 0
[pid 455] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 455] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 455] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 455] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 455] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 455] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 455] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 455] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 455] exit_group(0) = ?
[pid 455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 456
./strace-static-x86_64: Process 456 attached
[pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 456] setpgid(0, 0) = 0
[pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 456] write(3, "1000", 4) = 4
[pid 456] close(3) = 0
[pid 456] memfd_create("syzkaller", 0) = 3
[pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 456] munmap(0x7fa88c94a000, 1048576) = 0
[pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 456] ioctl(4, LOOP_CLR_FD) = 0
[pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 456] close(4) = 0
[pid 456] close(3) = 0
[pid 456] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 456] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 456] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 456] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 456] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 456] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 456] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 456] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 456] exit_group(0) = ?
[pid 456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 457
./strace-static-x86_64: Process 457 attached
[pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 457] setpgid(0, 0) = 0
[pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 457] write(3, "1000", 4) = 4
[pid 457] close(3) = 0
[pid 457] memfd_create("syzkaller", 0) = 3
[pid 457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 457] munmap(0x7fa88c94a000, 1048576) = 0
[pid 457] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 457] ioctl(4, LOOP_CLR_FD) = 0
[pid 457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 457] close(4) = 0
[pid 457] close(3) = 0
[pid 457] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 457] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 457] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 457] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 457] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 457] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 457] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 457] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 457] exit_group(0) = ?
[pid 457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 458
./strace-static-x86_64: Process 458 attached
[pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 458] setpgid(0, 0) = 0
[pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 458] write(3, "1000", 4) = 4
[pid 458] close(3) = 0
[pid 458] memfd_create("syzkaller", 0) = 3
[pid 458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 458] munmap(0x7fa88c94a000, 1048576) = 0
[pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 458] ioctl(4, LOOP_CLR_FD) = 0
[pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 458] close(4) = 0
[pid 458] close(3) = 0
[pid 458] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 458] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 458] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 458] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 458] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 458] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 458] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 458] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 458] exit_group(0) = ?
[pid 458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 459
./strace-static-x86_64: Process 459 attached
[pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 459] setpgid(0, 0) = 0
[pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 459] write(3, "1000", 4) = 4
[pid 459] close(3) = 0
[pid 459] memfd_create("syzkaller", 0) = 3
[pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 459] munmap(0x7fa88c94a000, 1048576) = 0
[pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 459] ioctl(4, LOOP_CLR_FD) = 0
[pid 459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 459] close(4) = 0
[pid 459] close(3) = 0
[pid 459] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 459] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 459] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 459] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 459] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 459] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 459] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 459] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 459] exit_group(0) = ?
[pid 459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 460
./strace-static-x86_64: Process 460 attached
[pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 460] setpgid(0, 0) = 0
[pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 460] write(3, "1000", 4) = 4
[pid 460] close(3) = 0
[pid 460] memfd_create("syzkaller", 0) = 3
[pid 460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 460] munmap(0x7fa88c94a000, 1048576) = 0
[pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 460] ioctl(4, LOOP_CLR_FD) = 0
[pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 460] close(4) = 0
[pid 460] close(3) = 0
[pid 460] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 460] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 460] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 460] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 460] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 460] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 460] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 460] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 460] exit_group(0) = ?
[pid 460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 461
./strace-static-x86_64: Process 461 attached
[pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 461] setpgid(0, 0) = 0
[pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 461] write(3, "1000", 4) = 4
[pid 461] close(3) = 0
[pid 461] memfd_create("syzkaller", 0) = 3
[pid 461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 461] munmap(0x7fa88c94a000, 1048576) = 0
[pid 461] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 461] ioctl(4, LOOP_CLR_FD) = 0
[pid 461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 461] close(4) = 0
[pid 461] close(3) = 0
[pid 461] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 461] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 461] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 461] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 461] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 461] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 461] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 461] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 461] exit_group(0) = ?
[pid 461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 462
./strace-static-x86_64: Process 462 attached
[pid 462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 462] setpgid(0, 0) = 0
[pid 462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 462] write(3, "1000", 4) = 4
[pid 462] close(3) = 0
[pid 462] memfd_create("syzkaller", 0) = 3
[pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 462] munmap(0x7fa88c94a000, 1048576) = 0
[pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 462] ioctl(4, LOOP_CLR_FD) = 0
[pid 462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 462] close(4) = 0
[pid 462] close(3) = 0
[pid 462] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 462] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 462] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 462] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 462] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 462] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 462] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 462] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 462] exit_group(0) = ?
[pid 462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 463
./strace-static-x86_64: Process 463 attached
[pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 463] setpgid(0, 0) = 0
[pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 463] write(3, "1000", 4) = 4
[pid 463] close(3) = 0
[pid 463] memfd_create("syzkaller", 0) = 3
[pid 463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 463] munmap(0x7fa88c94a000, 1048576) = 0
[pid 463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 463] ioctl(4, LOOP_CLR_FD) = 0
[pid 463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 463] close(4) = 0
[pid 463] close(3) = 0
[pid 463] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 463] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 463] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 463] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 463] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 463] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 463] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 463] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 463] exit_group(0) = ?
[pid 463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 464 attached
, child_tidptr=0x55555595d5d0) = 464
[pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 464] setpgid(0, 0) = 0
[pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 464] write(3, "1000", 4) = 4
[pid 464] close(3) = 0
[pid 464] memfd_create("syzkaller", 0) = 3
[pid 464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 464] munmap(0x7fa88c94a000, 1048576) = 0
[pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 464] ioctl(4, LOOP_CLR_FD) = 0
[pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 464] close(4) = 0
[pid 464] close(3) = 0
[pid 464] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 464] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 464] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 464] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 464] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 464] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 464] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 464] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 464] exit_group(0) = ?
[pid 464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 465 attached
, child_tidptr=0x55555595d5d0) = 465
[pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 465] setpgid(0, 0) = 0
[pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 465] write(3, "1000", 4) = 4
[pid 465] close(3) = 0
[pid 465] memfd_create("syzkaller", 0) = 3
[pid 465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 465] munmap(0x7fa88c94a000, 1048576) = 0
[pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 465] ioctl(4, LOOP_CLR_FD) = 0
[pid 465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 465] close(4) = 0
[pid 465] close(3) = 0
[pid 465] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 465] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 465] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 465] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 465] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 465] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 465] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 465] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 465] exit_group(0) = ?
[pid 465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 466
./strace-static-x86_64: Process 466 attached
[pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 466] setpgid(0, 0) = 0
[pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 466] write(3, "1000", 4) = 4
[pid 466] close(3) = 0
[pid 466] memfd_create("syzkaller", 0) = 3
[pid 466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 466] munmap(0x7fa88c94a000, 1048576) = 0
[pid 466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 466] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 466] ioctl(4, LOOP_CLR_FD) = 0
[pid 466] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 466] close(4) = 0
[pid 466] close(3) = 0
[pid 466] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 466] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 466] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 466] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 466] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 466] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 466] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 466] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 466] exit_group(0) = ?
[pid 466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 467
./strace-static-x86_64: Process 467 attached
[pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 467] setpgid(0, 0) = 0
[pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 467] write(3, "1000", 4) = 4
[pid 467] close(3) = 0
[pid 467] memfd_create("syzkaller", 0) = 3
[pid 467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 467] munmap(0x7fa88c94a000, 1048576) = 0
[pid 467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 467] ioctl(4, LOOP_CLR_FD) = 0
[pid 467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 467] close(4) = 0
[pid 467] close(3) = 0
[pid 467] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 467] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 467] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 467] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 467] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 467] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 467] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 467] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 467] exit_group(0) = ?
[pid 467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 468
./strace-static-x86_64: Process 468 attached
[pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 468] setpgid(0, 0) = 0
[pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 468] write(3, "1000", 4) = 4
[pid 468] close(3) = 0
[pid 468] memfd_create("syzkaller", 0) = 3
[pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 468] munmap(0x7fa88c94a000, 1048576) = 0
[pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 468] ioctl(4, LOOP_CLR_FD) = 0
[pid 468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 468] close(4) = 0
[pid 468] close(3) = 0
[pid 468] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 468] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 468] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 468] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 468] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 468] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 468] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 468] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 468] exit_group(0) = ?
[pid 468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 469
./strace-static-x86_64: Process 469 attached
[pid 469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 469] setpgid(0, 0) = 0
[pid 469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 469] write(3, "1000", 4) = 4
[pid 469] close(3) = 0
[pid 469] memfd_create("syzkaller", 0) = 3
[pid 469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 469] munmap(0x7fa88c94a000, 1048576) = 0
[pid 469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 469] ioctl(4, LOOP_CLR_FD) = 0
[pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 469] close(4) = 0
[pid 469] close(3) = 0
[pid 469] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 469] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 469] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 469] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 469] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 469] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 469] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 469] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 469] exit_group(0) = ?
[pid 469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 470
./strace-static-x86_64: Process 470 attached
[pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 470] setpgid(0, 0) = 0
[pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 470] write(3, "1000", 4) = 4
[pid 470] close(3) = 0
[pid 470] memfd_create("syzkaller", 0) = 3
[pid 470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 470] munmap(0x7fa88c94a000, 1048576) = 0
[pid 470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 470] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 470] ioctl(4, LOOP_CLR_FD) = 0
[pid 470] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 470] close(4) = 0
[pid 470] close(3) = 0
[pid 470] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 470] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 470] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 470] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 470] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 470] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 470] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 470] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 470] exit_group(0) = ?
[pid 470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 471
./strace-static-x86_64: Process 471 attached
[pid 471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 471] setpgid(0, 0) = 0
[pid 471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 471] write(3, "1000", 4) = 4
[pid 471] close(3) = 0
[pid 471] memfd_create("syzkaller", 0) = 3
[pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 471] munmap(0x7fa88c94a000, 1048576) = 0
[pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 471] ioctl(4, LOOP_CLR_FD) = 0
[pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 471] close(4) = 0
[pid 471] close(3) = 0
[pid 471] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 471] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 471] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 471] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 471] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 471] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 471] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 471] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 471] exit_group(0) = ?
[pid 471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 472
./strace-static-x86_64: Process 472 attached
[pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 472] setpgid(0, 0) = 0
[pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 472] write(3, "1000", 4) = 4
[pid 472] close(3) = 0
[pid 472] memfd_create("syzkaller", 0) = 3
[pid 472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 472] munmap(0x7fa88c94a000, 1048576) = 0
[pid 472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 472] ioctl(4, LOOP_CLR_FD) = 0
[pid 472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 472] close(4) = 0
[pid 472] close(3) = 0
[pid 472] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 472] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 472] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 472] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 472] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 472] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 472] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 472] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 472] exit_group(0) = ?
[pid 472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 473
./strace-static-x86_64: Process 473 attached
[pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 473] setpgid(0, 0) = 0
[pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 473] write(3, "1000", 4) = 4
[pid 473] close(3) = 0
[pid 473] memfd_create("syzkaller", 0) = 3
[pid 473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 473] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 473] munmap(0x7fa88c94a000, 1048576) = 0
[pid 473] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 473] ioctl(4, LOOP_CLR_FD) = 0
[pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 473] close(4) = 0
[pid 473] close(3) = 0
[pid 473] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 473] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 473] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 473] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 473] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 473] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 473] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 473] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 473] exit_group(0) = ?
[pid 473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 474
./strace-static-x86_64: Process 474 attached
[pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 474] setpgid(0, 0) = 0
[pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 474] write(3, "1000", 4) = 4
[pid 474] close(3) = 0
[pid 474] memfd_create("syzkaller", 0) = 3
[pid 474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 474] munmap(0x7fa88c94a000, 1048576) = 0
[pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 474] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 474] ioctl(4, LOOP_CLR_FD) = 0
[pid 474] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 474] close(4) = 0
[pid 474] close(3) = 0
[pid 474] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 474] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 474] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 474] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 474] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 474] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 474] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 474] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 474] exit_group(0) = ?
[pid 474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 475
./strace-static-x86_64: Process 475 attached
[pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 475] setpgid(0, 0) = 0
[pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 475] write(3, "1000", 4) = 4
[pid 475] close(3) = 0
[pid 475] memfd_create("syzkaller", 0) = 3
[pid 475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 475] munmap(0x7fa88c94a000, 1048576) = 0
[pid 475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 475] ioctl(4, LOOP_CLR_FD) = 0
[pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 475] close(4) = 0
[pid 475] close(3) = 0
[pid 475] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 475] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 475] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 475] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 475] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 475] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 475] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 475] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 475] exit_group(0) = ?
[pid 475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 476
./strace-static-x86_64: Process 476 attached
[pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 476] setpgid(0, 0) = 0
[pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 476] write(3, "1000", 4) = 4
[pid 476] close(3) = 0
[pid 476] memfd_create("syzkaller", 0) = 3
[pid 476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 476] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 476] munmap(0x7fa88c94a000, 1048576) = 0
[pid 476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 476] ioctl(4, LOOP_CLR_FD) = 0
[pid 476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 476] close(4) = 0
[pid 476] close(3) = 0
[pid 476] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 476] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 476] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 476] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 476] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 476] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 476] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 476] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 476] exit_group(0) = ?
[pid 476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 477
./strace-static-x86_64: Process 477 attached
[pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 477] setpgid(0, 0) = 0
[pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 477] write(3, "1000", 4) = 4
[pid 477] close(3) = 0
[pid 477] memfd_create("syzkaller", 0) = 3
[pid 477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 477] munmap(0x7fa88c94a000, 1048576) = 0
[pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 477] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 477] ioctl(4, LOOP_CLR_FD) = 0
[pid 477] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 477] close(4) = 0
[pid 477] close(3) = 0
[pid 477] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 477] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 477] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 477] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 477] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 477] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 477] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 477] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 477] exit_group(0) = ?
[pid 477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 478
./strace-static-x86_64: Process 478 attached
[pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 478] setpgid(0, 0) = 0
[pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 478] write(3, "1000", 4) = 4
[pid 478] close(3) = 0
[pid 478] memfd_create("syzkaller", 0) = 3
[pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 478] munmap(0x7fa88c94a000, 1048576) = 0
[pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 478] ioctl(4, LOOP_CLR_FD) = 0
[pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 478] close(4) = 0
[pid 478] close(3) = 0
[pid 478] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 478] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 478] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 478] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 478] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 478] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 478] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 478] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 478] exit_group(0) = ?
[pid 478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 479
./strace-static-x86_64: Process 479 attached
[pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 479] setpgid(0, 0) = 0
[pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 479] write(3, "1000", 4) = 4
[pid 479] close(3) = 0
[pid 479] memfd_create("syzkaller", 0) = 3
[pid 479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 479] munmap(0x7fa88c94a000, 1048576) = 0
[pid 479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 479] ioctl(4, LOOP_CLR_FD) = 0
[pid 479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 479] close(4) = 0
[pid 479] close(3) = 0
[pid 479] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 479] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 479] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 479] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 479] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 479] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 479] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 479] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 479] exit_group(0) = ?
[pid 479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 480 attached
, child_tidptr=0x55555595d5d0) = 480
[pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 480] setpgid(0, 0) = 0
[pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 480] write(3, "1000", 4) = 4
[pid 480] close(3) = 0
[pid 480] memfd_create("syzkaller", 0) = 3
[pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 480] munmap(0x7fa88c94a000, 1048576) = 0
[pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 480] ioctl(4, LOOP_CLR_FD) = 0
[pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 480] close(4) = 0
[pid 480] close(3) = 0
[pid 480] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 480] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 480] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 480] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 480] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 480] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 480] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 480] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 480] exit_group(0) = ?
[pid 480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 481
./strace-static-x86_64: Process 481 attached
[pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 481] setpgid(0, 0) = 0
[pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 481] write(3, "1000", 4) = 4
[pid 481] close(3) = 0
[pid 481] memfd_create("syzkaller", 0) = 3
[pid 481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 481] munmap(0x7fa88c94a000, 1048576) = 0
[pid 481] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 481] ioctl(4, LOOP_CLR_FD) = 0
[pid 481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 481] close(4) = 0
[pid 481] close(3) = 0
[pid 481] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 481] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 481] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 481] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 481] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 481] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 481] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 481] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 481] exit_group(0) = ?
[pid 481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 482
./strace-static-x86_64: Process 482 attached
[pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 482] setpgid(0, 0) = 0
[pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 482] write(3, "1000", 4) = 4
[pid 482] close(3) = 0
[pid 482] memfd_create("syzkaller", 0) = 3
[pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 482] munmap(0x7fa88c94a000, 1048576) = 0
[pid 482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 482] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 482] ioctl(4, LOOP_CLR_FD) = 0
[pid 482] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 482] close(4) = 0
[pid 482] close(3) = 0
[pid 482] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 482] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 482] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 482] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 482] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 482] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 482] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 482] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 482] exit_group(0) = ?
[pid 482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 483
./strace-static-x86_64: Process 483 attached
[pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 483] setpgid(0, 0) = 0
[pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 483] write(3, "1000", 4) = 4
[pid 483] close(3) = 0
[pid 483] memfd_create("syzkaller", 0) = 3
[pid 483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 483] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 483] munmap(0x7fa88c94a000, 1048576) = 0
[pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 483] ioctl(4, LOOP_CLR_FD) = 0
[pid 483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 483] close(4) = 0
[pid 483] close(3) = 0
[pid 483] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 483] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 483] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 483] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 483] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 483] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 483] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 483] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 483] exit_group(0) = ?
[pid 483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 484
./strace-static-x86_64: Process 484 attached
[pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 484] setpgid(0, 0) = 0
[pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 484] write(3, "1000", 4) = 4
[pid 484] close(3) = 0
[pid 484] memfd_create("syzkaller", 0) = 3
[pid 484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 484] munmap(0x7fa88c94a000, 1048576) = 0
[pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 484] ioctl(4, LOOP_CLR_FD) = 0
[pid 484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 484] close(4) = 0
[pid 484] close(3) = 0
[pid 484] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 484] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 484] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 484] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 484] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 484] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 484] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 484] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 484] exit_group(0) = ?
[pid 484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 485
./strace-static-x86_64: Process 485 attached
[pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 485] setpgid(0, 0) = 0
[pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 485] write(3, "1000", 4) = 4
[pid 485] close(3) = 0
[pid 485] memfd_create("syzkaller", 0) = 3
[pid 485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 485] munmap(0x7fa88c94a000, 1048576) = 0
[pid 485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 485] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 485] ioctl(4, LOOP_CLR_FD) = 0
[pid 485] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 485] close(4) = 0
[pid 485] close(3) = 0
[pid 485] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 485] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 485] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 485] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 485] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 485] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 485] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 485] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 485] exit_group(0) = ?
[pid 485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 486
./strace-static-x86_64: Process 486 attached
[pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 486] setpgid(0, 0) = 0
[pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 486] write(3, "1000", 4) = 4
[pid 486] close(3) = 0
[pid 486] memfd_create("syzkaller", 0) = 3
[pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 486] munmap(0x7fa88c94a000, 1048576) = 0
[pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 486] ioctl(4, LOOP_CLR_FD) = 0
[pid 486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 486] close(4) = 0
[pid 486] close(3) = 0
[pid 486] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 486] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 486] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 486] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 486] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 486] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 486] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 486] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 486] exit_group(0) = ?
[pid 486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 487
./strace-static-x86_64: Process 487 attached
[pid 487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 487] setpgid(0, 0) = 0
[pid 487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 487] write(3, "1000", 4) = 4
[pid 487] close(3) = 0
[pid 487] memfd_create("syzkaller", 0) = 3
[pid 487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 487] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 487] munmap(0x7fa88c94a000, 1048576) = 0
[pid 487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 487] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 487] ioctl(4, LOOP_CLR_FD) = 0
[pid 487] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 487] close(4) = 0
[pid 487] close(3) = 0
[pid 487] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 487] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 487] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 487] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 487] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 487] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 487] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 487] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 487] exit_group(0) = ?
[pid 487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 488 attached
, child_tidptr=0x55555595d5d0) = 488
[pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 488] setpgid(0, 0) = 0
[pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 488] write(3, "1000", 4) = 4
[pid 488] close(3) = 0
[pid 488] memfd_create("syzkaller", 0) = 3
[pid 488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 488] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 488] munmap(0x7fa88c94a000, 1048576) = 0
[pid 488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 488] ioctl(4, LOOP_CLR_FD) = 0
[pid 488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 488] close(4) = 0
[pid 488] close(3) = 0
[pid 488] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 488] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 488] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 488] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 488] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 488] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 488] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 488] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 488] exit_group(0) = ?
[pid 488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 489
./strace-static-x86_64: Process 489 attached
[pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 489] setpgid(0, 0) = 0
[pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 489] write(3, "1000", 4) = 4
[pid 489] close(3) = 0
[pid 489] memfd_create("syzkaller", 0) = 3
[pid 489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 489] munmap(0x7fa88c94a000, 1048576) = 0
[pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 489] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 489] ioctl(4, LOOP_CLR_FD) = 0
[pid 489] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 489] close(4) = 0
[pid 489] close(3) = 0
[pid 489] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 489] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 489] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 489] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 489] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 489] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 489] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 489] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 489] exit_group(0) = ?
[pid 489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 490
./strace-static-x86_64: Process 490 attached
[pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 490] setpgid(0, 0) = 0
[pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 490] write(3, "1000", 4) = 4
[pid 490] close(3) = 0
[pid 490] memfd_create("syzkaller", 0) = 3
[pid 490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 490] munmap(0x7fa88c94a000, 1048576) = 0
[pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 490] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 490] ioctl(4, LOOP_CLR_FD) = 0
[pid 490] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 490] close(4) = 0
[pid 490] close(3) = 0
[pid 490] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 490] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 490] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 490] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 490] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 490] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 490] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 490] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 490] exit_group(0) = ?
[pid 490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 491
./strace-static-x86_64: Process 491 attached
[pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 491] setpgid(0, 0) = 0
[pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 491] write(3, "1000", 4) = 4
[pid 491] close(3) = 0
[pid 491] memfd_create("syzkaller", 0) = 3
[pid 491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 491] munmap(0x7fa88c94a000, 1048576) = 0
[pid 491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 491] ioctl(4, LOOP_CLR_FD) = 0
[pid 491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 491] close(4) = 0
[pid 491] close(3) = 0
[pid 491] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 491] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 491] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 491] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 491] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 491] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 491] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 491] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 491] exit_group(0) = ?
[pid 491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 492
./strace-static-x86_64: Process 492 attached
[pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 492] setpgid(0, 0) = 0
[pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 492] write(3, "1000", 4) = 4
[pid 492] close(3) = 0
[pid 492] memfd_create("syzkaller", 0) = 3
[pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 492] munmap(0x7fa88c94a000, 1048576) = 0
[pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 492] ioctl(4, LOOP_CLR_FD) = 0
[pid 492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 492] close(4) = 0
[pid 492] close(3) = 0
[pid 492] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 492] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 492] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 492] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 492] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 492] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 492] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 492] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 492] exit_group(0) = ?
[pid 492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 493
./strace-static-x86_64: Process 493 attached
[pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 493] setpgid(0, 0) = 0
[pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 493] write(3, "1000", 4) = 4
[pid 493] close(3) = 0
[pid 493] memfd_create("syzkaller", 0) = 3
[pid 493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 493] munmap(0x7fa88c94a000, 1048576) = 0
[pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 493] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 493] ioctl(4, LOOP_CLR_FD) = 0
[pid 493] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 493] close(4) = 0
[pid 493] close(3) = 0
[pid 493] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 493] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 493] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 493] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 493] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 493] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 493] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 493] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 493] exit_group(0) = ?
[pid 493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 495
./strace-static-x86_64: Process 495 attached
[pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 495] setpgid(0, 0) = 0
[pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 495] write(3, "1000", 4) = 4
[pid 495] close(3) = 0
[pid 495] memfd_create("syzkaller", 0) = 3
[pid 495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 495] munmap(0x7fa88c94a000, 1048576) = 0
[pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 495] ioctl(4, LOOP_CLR_FD) = 0
[pid 495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 495] close(4) = 0
[pid 495] close(3) = 0
[pid 495] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 495] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 495] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 495] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 495] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 495] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 495] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 495] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 495] exit_group(0) = ?
[pid 495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 496
./strace-static-x86_64: Process 496 attached
[pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 496] setpgid(0, 0) = 0
[pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 496] write(3, "1000", 4) = 4
[pid 496] close(3) = 0
[pid 496] memfd_create("syzkaller", 0) = 3
[pid 496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 496] munmap(0x7fa88c94a000, 1048576) = 0
[pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 496] ioctl(4, LOOP_CLR_FD) = 0
[pid 496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 496] close(4) = 0
[pid 496] close(3) = 0
[pid 496] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 496] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 496] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 496] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 496] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 496] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 496] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 496] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 496] exit_group(0) = ?
[pid 496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 497
./strace-static-x86_64: Process 497 attached
[pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 497] setpgid(0, 0) = 0
[pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 497] write(3, "1000", 4) = 4
[pid 497] close(3) = 0
[pid 497] memfd_create("syzkaller", 0) = 3
[pid 497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 497] munmap(0x7fa88c94a000, 1048576) = 0
[pid 497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 497] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 497] ioctl(4, LOOP_CLR_FD) = 0
[pid 497] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 497] close(4) = 0
[pid 497] close(3) = 0
[pid 497] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 497] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 497] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 497] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 497] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 497] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 497] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 497] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 497] exit_group(0) = ?
[pid 497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 498
./strace-static-x86_64: Process 498 attached
[pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 498] setpgid(0, 0) = 0
[pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 498] write(3, "1000", 4) = 4
[pid 498] close(3) = 0
[pid 498] memfd_create("syzkaller", 0) = 3
[pid 498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 498] munmap(0x7fa88c94a000, 1048576) = 0
[pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 498] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 498] ioctl(4, LOOP_CLR_FD) = 0
[pid 498] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 498] close(4) = 0
[pid 498] close(3) = 0
[pid 498] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 498] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 498] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 498] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 498] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 498] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 498] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 498] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 498] exit_group(0) = ?
[pid 498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 499
./strace-static-x86_64: Process 499 attached
[pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 499] setpgid(0, 0) = 0
[pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 499] write(3, "1000", 4) = 4
[pid 499] close(3) = 0
[pid 499] memfd_create("syzkaller", 0) = 3
[pid 499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 499] munmap(0x7fa88c94a000, 1048576) = 0
[pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 499] ioctl(4, LOOP_CLR_FD) = 0
[pid 499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 499] close(4) = 0
[pid 499] close(3) = 0
[pid 499] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 499] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 499] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 499] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 499] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 499] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 499] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 499] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 499] exit_group(0) = ?
[pid 499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 500
./strace-static-x86_64: Process 500 attached
[pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 500] setpgid(0, 0) = 0
[pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 500] write(3, "1000", 4) = 4
[pid 500] close(3) = 0
[pid 500] memfd_create("syzkaller", 0) = 3
[pid 500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 500] munmap(0x7fa88c94a000, 1048576) = 0
[pid 500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 500] ioctl(4, LOOP_CLR_FD) = 0
[pid 500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 500] close(4) = 0
[pid 500] close(3) = 0
[pid 500] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 500] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 500] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 500] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 500] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 500] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 500] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 500] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 500] exit_group(0) = ?
[pid 500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 501
./strace-static-x86_64: Process 501 attached
[pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 501] setpgid(0, 0) = 0
[pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 501] write(3, "1000", 4) = 4
[pid 501] close(3) = 0
[pid 501] memfd_create("syzkaller", 0) = 3
[pid 501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 501] munmap(0x7fa88c94a000, 1048576) = 0
[pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 501] ioctl(4, LOOP_CLR_FD) = 0
[pid 501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 501] close(4) = 0
[pid 501] close(3) = 0
[pid 501] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 501] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 501] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 501] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 501] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 501] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 501] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 501] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 501] exit_group(0) = ?
[pid 501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 502
./strace-static-x86_64: Process 502 attached
[pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 502] setpgid(0, 0) = 0
[pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 502] write(3, "1000", 4) = 4
[pid 502] close(3) = 0
[pid 502] memfd_create("syzkaller", 0) = 3
[pid 502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 502] munmap(0x7fa88c94a000, 1048576) = 0
[pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 502] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 502] ioctl(4, LOOP_CLR_FD) = 0
[pid 502] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 502] close(4) = 0
[pid 502] close(3) = 0
[pid 502] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 502] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 502] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 502] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 502] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 502] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 502] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 502] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 502] exit_group(0) = ?
[pid 502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 503
./strace-static-x86_64: Process 503 attached
[pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 503] setpgid(0, 0) = 0
[pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 503] write(3, "1000", 4) = 4
[pid 503] close(3) = 0
[pid 503] memfd_create("syzkaller", 0) = 3
[pid 503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 503] munmap(0x7fa88c94a000, 1048576) = 0
[pid 503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 503] ioctl(4, LOOP_CLR_FD) = 0
[pid 503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 503] close(4) = 0
[pid 503] close(3) = 0
[pid 503] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 503] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 503] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 503] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 503] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 503] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 503] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 503] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 503] exit_group(0) = ?
[pid 503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 504
./strace-static-x86_64: Process 504 attached
[pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 504] setpgid(0, 0) = 0
[pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 504] write(3, "1000", 4) = 4
[pid 504] close(3) = 0
[pid 504] memfd_create("syzkaller", 0) = 3
[pid 504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 504] munmap(0x7fa88c94a000, 1048576) = 0
[pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 504] ioctl(4, LOOP_CLR_FD) = 0
[pid 504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 504] close(4) = 0
[pid 504] close(3) = 0
[pid 504] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 504] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 504] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 504] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 504] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 504] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 504] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 504] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 504] exit_group(0) = ?
[pid 504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 505
./strace-static-x86_64: Process 505 attached
[pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 505] setpgid(0, 0) = 0
[pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 505] write(3, "1000", 4) = 4
[pid 505] close(3) = 0
[pid 505] memfd_create("syzkaller", 0) = 3
[pid 505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 505] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 505] munmap(0x7fa88c94a000, 1048576) = 0
[pid 505] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 505] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 505] ioctl(4, LOOP_CLR_FD) = 0
[pid 505] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 505] close(4) = 0
[pid 505] close(3) = 0
[pid 505] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 505] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 505] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 505] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 505] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 505] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 505] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 505] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 505] exit_group(0) = ?
[pid 505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 506
./strace-static-x86_64: Process 506 attached
[pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 506] setpgid(0, 0) = 0
[pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 506] write(3, "1000", 4) = 4
[pid 506] close(3) = 0
[pid 506] memfd_create("syzkaller", 0) = 3
[pid 506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 506] munmap(0x7fa88c94a000, 1048576) = 0
[pid 506] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 506] ioctl(4, LOOP_CLR_FD) = 0
[pid 506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 506] close(4) = 0
[pid 506] close(3) = 0
[pid 506] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 506] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 506] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 506] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 506] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 506] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 506] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 506] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 506] exit_group(0) = ?
[pid 506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 507
./strace-static-x86_64: Process 507 attached
[pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 507] setpgid(0, 0) = 0
[pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 507] write(3, "1000", 4) = 4
[pid 507] close(3) = 0
[pid 507] memfd_create("syzkaller", 0) = 3
[pid 507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 507] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 507] munmap(0x7fa88c94a000, 1048576) = 0
[pid 507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 507] ioctl(4, LOOP_CLR_FD) = 0
[pid 507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 507] close(4) = 0
[pid 507] close(3) = 0
[pid 507] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 507] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 507] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 507] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 507] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 507] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 507] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 507] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 507] exit_group(0) = ?
[pid 507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 508
./strace-static-x86_64: Process 508 attached
[pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 508] setpgid(0, 0) = 0
[pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 508] write(3, "1000", 4) = 4
[pid 508] close(3) = 0
[pid 508] memfd_create("syzkaller", 0) = 3
[pid 508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 508] munmap(0x7fa88c94a000, 1048576) = 0
[pid 508] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 508] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 508] ioctl(4, LOOP_CLR_FD) = 0
[pid 508] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 508] close(4) = 0
[pid 508] close(3) = 0
[pid 508] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 508] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 508] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 508] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 508] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 508] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 508] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 508] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 508] exit_group(0) = ?
[pid 508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 509
./strace-static-x86_64: Process 509 attached
[pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 509] setpgid(0, 0) = 0
[pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 509] write(3, "1000", 4) = 4
[pid 509] close(3) = 0
[pid 509] memfd_create("syzkaller", 0) = 3
[pid 509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 509] munmap(0x7fa88c94a000, 1048576) = 0
[pid 509] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 509] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 509] ioctl(4, LOOP_CLR_FD) = 0
[pid 509] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 509] close(4) = 0
[pid 509] close(3) = 0
[pid 509] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 509] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 509] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 509] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 509] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 509] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 509] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 509] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 509] exit_group(0) = ?
[pid 509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 510
./strace-static-x86_64: Process 510 attached
[pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 510] setpgid(0, 0) = 0
[pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 510] write(3, "1000", 4) = 4
[pid 510] close(3) = 0
[pid 510] memfd_create("syzkaller", 0) = 3
[pid 510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 510] munmap(0x7fa88c94a000, 1048576) = 0
[pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 510] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 510] ioctl(4, LOOP_CLR_FD) = 0
[pid 510] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 510] close(4) = 0
[pid 510] close(3) = 0
[pid 510] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 510] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 510] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 510] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 510] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 510] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 510] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 510] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 510] exit_group(0) = ?
[pid 510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 511
./strace-static-x86_64: Process 511 attached
[pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 511] setpgid(0, 0) = 0
[pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 511] write(3, "1000", 4) = 4
[pid 511] close(3) = 0
[pid 511] memfd_create("syzkaller", 0) = 3
[pid 511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 511] munmap(0x7fa88c94a000, 1048576) = 0
[pid 511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 511] ioctl(4, LOOP_CLR_FD) = 0
[pid 511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 511] close(4) = 0
[pid 511] close(3) = 0
[pid 511] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 511] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 511] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 511] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 511] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 511] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 511] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 511] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 511] exit_group(0) = ?
[pid 511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 512
./strace-static-x86_64: Process 512 attached
[pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 512] setpgid(0, 0) = 0
[pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 512] write(3, "1000", 4) = 4
[pid 512] close(3) = 0
[pid 512] memfd_create("syzkaller", 0) = 3
[pid 512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 512] munmap(0x7fa88c94a000, 1048576) = 0
[pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 512] ioctl(4, LOOP_CLR_FD) = 0
[pid 512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 512] close(4) = 0
[pid 512] close(3) = 0
[pid 512] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 512] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 512] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 512] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 512] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 512] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 512] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 512] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 512] exit_group(0) = ?
[pid 512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 513
./strace-static-x86_64: Process 513 attached
[pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 513] setpgid(0, 0) = 0
[pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 513] write(3, "1000", 4) = 4
[pid 513] close(3) = 0
[pid 513] memfd_create("syzkaller", 0) = 3
[pid 513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 513] munmap(0x7fa88c94a000, 1048576) = 0
[pid 513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 513] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 513] ioctl(4, LOOP_CLR_FD) = 0
[pid 513] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 513] close(4) = 0
[pid 513] close(3) = 0
[pid 513] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 513] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 513] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 513] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 513] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 513] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 513] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 513] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 513] exit_group(0) = ?
[pid 513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 514
./strace-static-x86_64: Process 514 attached
[pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 514] setpgid(0, 0) = 0
[pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 514] write(3, "1000", 4) = 4
[pid 514] close(3) = 0
[pid 514] memfd_create("syzkaller", 0) = 3
[pid 514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 514] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 514] munmap(0x7fa88c94a000, 1048576) = 0
[pid 514] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 514] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 514] ioctl(4, LOOP_CLR_FD) = 0
[pid 514] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 514] close(4) = 0
[pid 514] close(3) = 0
[pid 514] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 514] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 514] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 514] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 514] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 514] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 514] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 514] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 514] exit_group(0) = ?
[pid 514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 515 attached
, child_tidptr=0x55555595d5d0) = 515
[pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 515] setpgid(0, 0) = 0
[pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 515] write(3, "1000", 4) = 4
[pid 515] close(3) = 0
[pid 515] memfd_create("syzkaller", 0) = 3
[pid 515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 515] munmap(0x7fa88c94a000, 1048576) = 0
[pid 515] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 515] ioctl(4, LOOP_CLR_FD) = 0
[pid 515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 515] close(4) = 0
[pid 515] close(3) = 0
[pid 515] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 515] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 515] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 515] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 515] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 515] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 515] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 515] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 515] exit_group(0) = ?
[pid 515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 516
./strace-static-x86_64: Process 516 attached
[pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 516] setpgid(0, 0) = 0
[pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 516] write(3, "1000", 4) = 4
[pid 516] close(3) = 0
[pid 516] memfd_create("syzkaller", 0) = 3
[pid 516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 516] munmap(0x7fa88c94a000, 1048576) = 0
[pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 516] ioctl(4, LOOP_CLR_FD) = 0
[pid 516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 516] close(4) = 0
[pid 516] close(3) = 0
[pid 516] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 516] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 516] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 516] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 516] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 516] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 516] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 516] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 516] exit_group(0) = ?
[pid 516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 517
./strace-static-x86_64: Process 517 attached
[pid 517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 517] setpgid(0, 0) = 0
[pid 517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 517] write(3, "1000", 4) = 4
[pid 517] close(3) = 0
[pid 517] memfd_create("syzkaller", 0) = 3
[pid 517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 517] munmap(0x7fa88c94a000, 1048576) = 0
[pid 517] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 517] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 517] ioctl(4, LOOP_CLR_FD) = 0
[pid 517] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 517] close(4) = 0
[pid 517] close(3) = 0
[pid 517] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 517] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 517] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 517] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 517] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 517] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 517] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 517] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 517] exit_group(0) = ?
[pid 517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 518
./strace-static-x86_64: Process 518 attached
[pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 518] setpgid(0, 0) = 0
[pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 518] write(3, "1000", 4) = 4
[pid 518] close(3) = 0
[pid 518] memfd_create("syzkaller", 0) = 3
[pid 518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 518] munmap(0x7fa88c94a000, 1048576) = 0
[pid 518] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 518] ioctl(4, LOOP_CLR_FD) = 0
[pid 518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 518] close(4) = 0
[pid 518] close(3) = 0
[pid 518] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 518] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 518] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 518] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 518] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 518] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 518] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 518] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 518] exit_group(0) = ?
[pid 518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 519
./strace-static-x86_64: Process 519 attached
[pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 519] setpgid(0, 0) = 0
[pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 519] write(3, "1000", 4) = 4
[pid 519] close(3) = 0
[pid 519] memfd_create("syzkaller", 0) = 3
[pid 519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 519] munmap(0x7fa88c94a000, 1048576) = 0
[pid 519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 519] ioctl(4, LOOP_CLR_FD) = 0
[pid 519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 519] close(4) = 0
[pid 519] close(3) = 0
[pid 519] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 519] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 519] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 519] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 519] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 519] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 519] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 519] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 519] exit_group(0) = ?
[pid 519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 520
./strace-static-x86_64: Process 520 attached
[pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 520] setpgid(0, 0) = 0
[pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 520] write(3, "1000", 4) = 4
[pid 520] close(3) = 0
[pid 520] memfd_create("syzkaller", 0) = 3
[pid 520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 520] munmap(0x7fa88c94a000, 1048576) = 0
[pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 520] ioctl(4, LOOP_CLR_FD) = 0
[pid 520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 520] close(4) = 0
[pid 520] close(3) = 0
[pid 520] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 520] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 520] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 520] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 520] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 520] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 520] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 520] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 520] exit_group(0) = ?
[pid 520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 521
./strace-static-x86_64: Process 521 attached
[pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 521] setpgid(0, 0) = 0
[pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 521] write(3, "1000", 4) = 4
[pid 521] close(3) = 0
[pid 521] memfd_create("syzkaller", 0) = 3
[pid 521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 521] munmap(0x7fa88c94a000, 1048576) = 0
[pid 521] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 521] ioctl(4, LOOP_CLR_FD) = 0
[pid 521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 521] close(4) = 0
[pid 521] close(3) = 0
[pid 521] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 521] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 521] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 521] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 521] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 521] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 521] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 521] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 521] exit_group(0) = ?
[pid 521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 522
./strace-static-x86_64: Process 522 attached
[pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 522] setpgid(0, 0) = 0
[pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 522] write(3, "1000", 4) = 4
[pid 522] close(3) = 0
[pid 522] memfd_create("syzkaller", 0) = 3
[pid 522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 522] munmap(0x7fa88c94a000, 1048576) = 0
[pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 522] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 522] ioctl(4, LOOP_CLR_FD) = 0
[pid 522] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 522] close(4) = 0
[pid 522] close(3) = 0
[pid 522] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 522] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 522] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 522] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 522] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 522] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 522] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 522] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 522] exit_group(0) = ?
[pid 522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 523 attached
, child_tidptr=0x55555595d5d0) = 523
[pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 523] setpgid(0, 0) = 0
[pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 523] write(3, "1000", 4) = 4
[pid 523] close(3) = 0
[pid 523] memfd_create("syzkaller", 0) = 3
[pid 523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 523] munmap(0x7fa88c94a000, 1048576) = 0
[pid 523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 523] ioctl(4, LOOP_CLR_FD) = 0
[pid 523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 523] close(4) = 0
[pid 523] close(3) = 0
[pid 523] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 523] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 523] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 523] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 523] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 523] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 523] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 523] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 523] exit_group(0) = ?
[pid 523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 524
./strace-static-x86_64: Process 524 attached
[pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 524] setpgid(0, 0) = 0
[pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 524] write(3, "1000", 4) = 4
[pid 524] close(3) = 0
[pid 524] memfd_create("syzkaller", 0) = 3
[pid 524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 524] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 524] munmap(0x7fa88c94a000, 1048576) = 0
[pid 524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 524] ioctl(4, LOOP_CLR_FD) = 0
[pid 524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 524] close(4) = 0
[pid 524] close(3) = 0
[pid 524] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 524] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 524] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 524] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 524] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 524] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 524] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 524] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 524] exit_group(0) = ?
[pid 524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 525
./strace-static-x86_64: Process 525 attached
[pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 525] setpgid(0, 0) = 0
[pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 525] write(3, "1000", 4) = 4
[pid 525] close(3) = 0
[pid 525] memfd_create("syzkaller", 0) = 3
[pid 525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 525] munmap(0x7fa88c94a000, 1048576) = 0
[pid 525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 525] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 525] ioctl(4, LOOP_CLR_FD) = 0
[pid 525] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 525] close(4) = 0
[pid 525] close(3) = 0
[pid 525] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 525] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 525] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 525] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 525] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 525] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 525] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 525] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 525] exit_group(0) = ?
[pid 525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 526
./strace-static-x86_64: Process 526 attached
[pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 526] setpgid(0, 0) = 0
[pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 526] write(3, "1000", 4) = 4
[pid 526] close(3) = 0
[pid 526] memfd_create("syzkaller", 0) = 3
[pid 526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 526] munmap(0x7fa88c94a000, 1048576) = 0
[pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 526] ioctl(4, LOOP_CLR_FD) = 0
[pid 526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 526] close(4) = 0
[pid 526] close(3) = 0
[pid 526] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 526] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 526] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 526] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 526] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 526] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 526] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 526] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 526] exit_group(0) = ?
[pid 526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 527 attached
, child_tidptr=0x55555595d5d0) = 527
[pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 527] setpgid(0, 0) = 0
[pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 527] write(3, "1000", 4) = 4
[pid 527] close(3) = 0
[pid 527] memfd_create("syzkaller", 0) = 3
[pid 527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 527] munmap(0x7fa88c94a000, 1048576) = 0
[pid 527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 527] ioctl(4, LOOP_CLR_FD) = 0
[pid 527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 527] close(4) = 0
[pid 527] close(3) = 0
[pid 527] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 527] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 527] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 527] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 527] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 527] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 527] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 527] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 527] exit_group(0) = ?
[pid 527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 528
./strace-static-x86_64: Process 528 attached
[pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 528] setpgid(0, 0) = 0
[pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 528] write(3, "1000", 4) = 4
[pid 528] close(3) = 0
[pid 528] memfd_create("syzkaller", 0) = 3
[pid 528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 528] munmap(0x7fa88c94a000, 1048576) = 0
[pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 528] ioctl(4, LOOP_CLR_FD) = 0
[pid 528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 528] close(4) = 0
[pid 528] close(3) = 0
[pid 528] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 528] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 528] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 528] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 528] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 528] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 528] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 528] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 528] exit_group(0) = ?
[pid 528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 529
./strace-static-x86_64: Process 529 attached
[pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 529] setpgid(0, 0) = 0
[pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 529] write(3, "1000", 4) = 4
[pid 529] close(3) = 0
[pid 529] memfd_create("syzkaller", 0) = 3
[pid 529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 529] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 529] munmap(0x7fa88c94a000, 1048576) = 0
[pid 529] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 529] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 529] ioctl(4, LOOP_CLR_FD) = 0
[pid 529] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 529] close(4) = 0
[pid 529] close(3) = 0
[pid 529] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 529] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 529] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 529] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 529] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 529] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 529] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 529] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 529] exit_group(0) = ?
[pid 529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 530
./strace-static-x86_64: Process 530 attached
[pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 530] setpgid(0, 0) = 0
[pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 530] write(3, "1000", 4) = 4
[pid 530] close(3) = 0
[pid 530] memfd_create("syzkaller", 0) = 3
[pid 530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 530] munmap(0x7fa88c94a000, 1048576) = 0
[pid 530] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 530] ioctl(4, LOOP_CLR_FD) = 0
[pid 530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 530] close(4) = 0
[pid 530] close(3) = 0
[pid 530] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 530] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 530] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 530] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 530] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 530] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 530] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 530] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 530] exit_group(0) = ?
[pid 530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 531
./strace-static-x86_64: Process 531 attached
[pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 531] setpgid(0, 0) = 0
[pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 531] write(3, "1000", 4) = 4
[pid 531] close(3) = 0
[pid 531] memfd_create("syzkaller", 0) = 3
[pid 531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 531] munmap(0x7fa88c94a000, 1048576) = 0
[pid 531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 531] ioctl(4, LOOP_CLR_FD) = 0
[pid 531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 531] close(4) = 0
[pid 531] close(3) = 0
[pid 531] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 531] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 531] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 531] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 531] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 531] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 531] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 531] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 531] exit_group(0) = ?
[pid 531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 532
./strace-static-x86_64: Process 532 attached
[pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 532] setpgid(0, 0) = 0
[pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 532] write(3, "1000", 4) = 4
[pid 532] close(3) = 0
[pid 532] memfd_create("syzkaller", 0) = 3
[pid 532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 532] munmap(0x7fa88c94a000, 1048576) = 0
[pid 532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 532] ioctl(4, LOOP_CLR_FD) = 0
[pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 532] close(4) = 0
[pid 532] close(3) = 0
[pid 532] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 532] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 532] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 532] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 532] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 532] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 532] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 532] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 532] exit_group(0) = ?
[pid 532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 533
./strace-static-x86_64: Process 533 attached
[pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 533] setpgid(0, 0) = 0
[pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 533] write(3, "1000", 4) = 4
[pid 533] close(3) = 0
[pid 533] memfd_create("syzkaller", 0) = 3
[pid 533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 533] munmap(0x7fa88c94a000, 1048576) = 0
[pid 533] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 533] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 533] ioctl(4, LOOP_CLR_FD) = 0
[pid 533] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 533] close(4) = 0
[pid 533] close(3) = 0
[pid 533] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 533] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 533] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 533] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 533] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 533] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 533] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 533] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 533] exit_group(0) = ?
[pid 533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 535
./strace-static-x86_64: Process 535 attached
[pid 535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 535] setpgid(0, 0) = 0
[pid 535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 535] write(3, "1000", 4) = 4
[pid 535] close(3) = 0
[pid 535] memfd_create("syzkaller", 0) = 3
[pid 535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 535] munmap(0x7fa88c94a000, 1048576) = 0
[pid 535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 535] ioctl(4, LOOP_CLR_FD) = 0
[pid 535] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 535] close(4) = 0
[pid 535] close(3) = 0
[pid 535] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 535] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 535] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 535] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 535] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 535] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 535] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 535] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 535] exit_group(0) = ?
[pid 535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=535, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 536
./strace-static-x86_64: Process 536 attached
[pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 536] setpgid(0, 0) = 0
[pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 536] write(3, "1000", 4) = 4
[pid 536] close(3) = 0
[pid 536] memfd_create("syzkaller", 0) = 3
[pid 536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 536] munmap(0x7fa88c94a000, 1048576) = 0
[pid 536] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 536] ioctl(4, LOOP_CLR_FD) = 0
[pid 536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 536] close(4) = 0
[pid 536] close(3) = 0
[pid 536] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 536] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 536] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 536] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 536] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 536] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 536] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 536] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 536] exit_group(0) = ?
[pid 536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 537
./strace-static-x86_64: Process 537 attached
[pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 537] setpgid(0, 0) = 0
[pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 537] write(3, "1000", 4) = 4
[pid 537] close(3) = 0
[pid 537] memfd_create("syzkaller", 0) = 3
[pid 537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 537] munmap(0x7fa88c94a000, 1048576) = 0
[pid 537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 537] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 537] ioctl(4, LOOP_CLR_FD) = 0
[pid 537] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 537] close(4) = 0
[pid 537] close(3) = 0
[pid 537] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 537] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 537] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 537] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 537] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 537] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 537] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 537] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 537] exit_group(0) = ?
[pid 537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 538
./strace-static-x86_64: Process 538 attached
[pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 538] setpgid(0, 0) = 0
[pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 538] write(3, "1000", 4) = 4
[pid 538] close(3) = 0
[pid 538] memfd_create("syzkaller", 0) = 3
[pid 538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 538] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 538] munmap(0x7fa88c94a000, 1048576) = 0
[pid 538] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 538] ioctl(4, LOOP_CLR_FD) = 0
[pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 538] close(4) = 0
[pid 538] close(3) = 0
[pid 538] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 538] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 538] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 538] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 538] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 538] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 538] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 538] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 538] exit_group(0) = ?
[pid 538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 539
./strace-static-x86_64: Process 539 attached
[pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 539] setpgid(0, 0) = 0
[pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 539] write(3, "1000", 4) = 4
[pid 539] close(3) = 0
[pid 539] memfd_create("syzkaller", 0) = 3
[pid 539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 539] munmap(0x7fa88c94a000, 1048576) = 0
[pid 539] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 539] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 539] ioctl(4, LOOP_CLR_FD) = 0
[pid 539] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 539] close(4) = 0
[pid 539] close(3) = 0
[pid 539] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 539] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 539] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 539] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 539] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 539] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 539] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 539] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 539] exit_group(0) = ?
[pid 539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 540
./strace-static-x86_64: Process 540 attached
[pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 540] setpgid(0, 0) = 0
[pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 540] write(3, "1000", 4) = 4
[pid 540] close(3) = 0
[pid 540] memfd_create("syzkaller", 0) = 3
[pid 540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 540] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 540] munmap(0x7fa88c94a000, 1048576) = 0
[pid 540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 540] ioctl(4, LOOP_CLR_FD) = 0
[pid 540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 540] close(4) = 0
[pid 540] close(3) = 0
[pid 540] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 540] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 540] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 540] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 540] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 540] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 540] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 540] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 540] exit_group(0) = ?
[pid 540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 541 attached
, child_tidptr=0x55555595d5d0) = 541
[pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 541] setpgid(0, 0) = 0
[pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 541] write(3, "1000", 4) = 4
[pid 541] close(3) = 0
[pid 541] memfd_create("syzkaller", 0) = 3
[pid 541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 541] munmap(0x7fa88c94a000, 1048576) = 0
[pid 541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 541] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 541] ioctl(4, LOOP_CLR_FD) = 0
[pid 541] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 541] close(4) = 0
[pid 541] close(3) = 0
[pid 541] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 541] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 541] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 541] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 541] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 541] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 541] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 541] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 541] exit_group(0) = ?
[pid 541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 542
./strace-static-x86_64: Process 542 attached
[pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 542] setpgid(0, 0) = 0
[pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 542] write(3, "1000", 4) = 4
[pid 542] close(3) = 0
[pid 542] memfd_create("syzkaller", 0) = 3
[pid 542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 542] munmap(0x7fa88c94a000, 1048576) = 0
[pid 542] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 542] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 542] ioctl(4, LOOP_CLR_FD) = 0
[pid 542] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 542] close(4) = 0
[pid 542] close(3) = 0
[pid 542] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 542] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 542] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 542] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 542] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 542] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 542] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 542] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 542] exit_group(0) = ?
[pid 542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 543
./strace-static-x86_64: Process 543 attached
[pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 543] setpgid(0, 0) = 0
[pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 543] write(3, "1000", 4) = 4
[pid 543] close(3) = 0
[pid 543] memfd_create("syzkaller", 0) = 3
[pid 543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 543] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 543] munmap(0x7fa88c94a000, 1048576) = 0
[pid 543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 543] ioctl(4, LOOP_CLR_FD) = 0
[pid 543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 543] close(4) = 0
[pid 543] close(3) = 0
[pid 543] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 543] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 543] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 543] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 543] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 543] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 543] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 543] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 543] exit_group(0) = ?
[pid 543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 544
./strace-static-x86_64: Process 544 attached
[pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 544] setpgid(0, 0) = 0
[pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 544] write(3, "1000", 4) = 4
[pid 544] close(3) = 0
[pid 544] memfd_create("syzkaller", 0) = 3
[pid 544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 544] munmap(0x7fa88c94a000, 1048576) = 0
[pid 544] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 544] ioctl(4, LOOP_CLR_FD) = 0
[pid 544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 544] close(4) = 0
[pid 544] close(3) = 0
[pid 544] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 544] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 544] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 544] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 544] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 544] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 544] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 544] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 544] exit_group(0) = ?
[pid 544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 545
./strace-static-x86_64: Process 545 attached
[pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 545] setpgid(0, 0) = 0
[pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 545] write(3, "1000", 4) = 4
[pid 545] close(3) = 0
[pid 545] memfd_create("syzkaller", 0) = 3
[pid 545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 545] munmap(0x7fa88c94a000, 1048576) = 0
[pid 545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 545] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 545] ioctl(4, LOOP_CLR_FD) = 0
[pid 545] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 545] close(4) = 0
[pid 545] close(3) = 0
[pid 545] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 545] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 545] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 545] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 545] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 545] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 545] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 545] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 545] exit_group(0) = ?
[pid 545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 546
./strace-static-x86_64: Process 546 attached
[pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 546] setpgid(0, 0) = 0
[pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 546] write(3, "1000", 4) = 4
[pid 546] close(3) = 0
[pid 546] memfd_create("syzkaller", 0) = 3
[pid 546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 546] munmap(0x7fa88c94a000, 1048576) = 0
[pid 546] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 546] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 546] ioctl(4, LOOP_CLR_FD) = 0
[pid 546] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 546] close(4) = 0
[pid 546] close(3) = 0
[pid 546] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 546] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 546] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 546] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 546] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 546] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 546] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 546] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 546] exit_group(0) = ?
[pid 546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 547
./strace-static-x86_64: Process 547 attached
[pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 547] setpgid(0, 0) = 0
[pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 547] write(3, "1000", 4) = 4
[pid 547] close(3) = 0
[pid 547] memfd_create("syzkaller", 0) = 3
[pid 547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 547] munmap(0x7fa88c94a000, 1048576) = 0
[pid 547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 547] ioctl(4, LOOP_CLR_FD) = 0
[pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 547] close(4) = 0
[pid 547] close(3) = 0
[pid 547] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 547] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 547] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 547] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 547] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 547] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 547] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 547] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 547] exit_group(0) = ?
[pid 547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 548
./strace-static-x86_64: Process 548 attached
[pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 548] setpgid(0, 0) = 0
[pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 548] write(3, "1000", 4) = 4
[pid 548] close(3) = 0
[pid 548] memfd_create("syzkaller", 0) = 3
[pid 548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 548] munmap(0x7fa88c94a000, 1048576) = 0
[pid 548] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 548] ioctl(4, LOOP_CLR_FD) = 0
[pid 548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 548] close(4) = 0
[pid 548] close(3) = 0
[pid 548] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 548] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 548] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 548] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 548] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 548] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 548] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 548] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 548] exit_group(0) = ?
[pid 548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 549
./strace-static-x86_64: Process 549 attached
[pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 549] setpgid(0, 0) = 0
[pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 549] write(3, "1000", 4) = 4
[pid 549] close(3) = 0
[pid 549] memfd_create("syzkaller", 0) = 3
[pid 549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 549] munmap(0x7fa88c94a000, 1048576) = 0
[pid 549] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 549] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 549] ioctl(4, LOOP_CLR_FD) = 0
[pid 549] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 549] close(4) = 0
[pid 549] close(3) = 0
[pid 549] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 549] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 549] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 549] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 549] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 549] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 549] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 549] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 549] exit_group(0) = ?
[pid 549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 550
./strace-static-x86_64: Process 550 attached
[pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 550] setpgid(0, 0) = 0
[pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 550] write(3, "1000", 4) = 4
[pid 550] close(3) = 0
[pid 550] memfd_create("syzkaller", 0) = 3
[pid 550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 550] munmap(0x7fa88c94a000, 1048576) = 0
[pid 550] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 550] ioctl(4, LOOP_CLR_FD) = 0
[pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 550] close(4) = 0
[pid 550] close(3) = 0
[pid 550] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 550] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 550] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 550] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 550] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 550] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 550] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 550] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 550] exit_group(0) = ?
[pid 550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 551 attached
<unfinished ...>
[pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 327] <... clone resumed>, child_tidptr=0x55555595d5d0) = 551
[pid 551] <... prctl resumed>) = 0
[pid 551] setpgid(0, 0) = 0
[pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 551] write(3, "1000", 4) = 4
[pid 551] close(3) = 0
[pid 551] memfd_create("syzkaller", 0) = 3
[pid 551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 551] munmap(0x7fa88c94a000, 1048576) = 0
[pid 551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 551] ioctl(4, LOOP_CLR_FD) = 0
[pid 551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 551] close(4) = 0
[pid 551] close(3) = 0
[pid 551] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 551] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 551] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 551] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 551] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 551] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 551] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 551] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 551] exit_group(0) = ?
[pid 551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 552
./strace-static-x86_64: Process 552 attached
[pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 552] setpgid(0, 0) = 0
[pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 552] write(3, "1000", 4) = 4
[pid 552] close(3) = 0
[pid 552] memfd_create("syzkaller", 0) = 3
[pid 552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 552] munmap(0x7fa88c94a000, 1048576) = 0
[pid 552] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 552] ioctl(4, LOOP_CLR_FD) = 0
[pid 552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 552] close(4) = 0
[pid 552] close(3) = 0
[pid 552] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 552] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 552] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 552] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 552] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 552] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 552] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 552] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 552] exit_group(0) = ?
[pid 552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 553 attached
, child_tidptr=0x55555595d5d0) = 553
[pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 553] setpgid(0, 0) = 0
[pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 553] write(3, "1000", 4) = 4
[pid 553] close(3) = 0
[pid 553] memfd_create("syzkaller", 0) = 3
[pid 553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 553] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 553] munmap(0x7fa88c94a000, 1048576) = 0
[pid 553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 553] ioctl(4, LOOP_CLR_FD) = 0
[pid 553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 553] close(4) = 0
[pid 553] close(3) = 0
[pid 553] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 553] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 553] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 553] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 553] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 553] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 553] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 553] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 553] exit_group(0) = ?
[pid 553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 554 attached
<unfinished ...>
[pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 554] setpgid(0, 0) = 0
[pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 554] write(3, "1000", 4) = 4
[pid 554] close(3) = 0
[pid 554] memfd_create("syzkaller", 0) = 3
[pid 554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 327] <... clone resumed>, child_tidptr=0x55555595d5d0) = 554
[pid 554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 554] munmap(0x7fa88c94a000, 1048576) = 0
[pid 554] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 554] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 554] ioctl(4, LOOP_CLR_FD) = 0
[pid 554] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 554] close(4) = 0
[pid 554] close(3) = 0
[pid 554] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 554] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 554] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 554] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 554] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 554] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 554] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 554] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 554] exit_group(0) = ?
[pid 554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 555
./strace-static-x86_64: Process 555 attached
[pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 555] setpgid(0, 0) = 0
[pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 555] write(3, "1000", 4) = 4
[pid 555] close(3) = 0
[pid 555] memfd_create("syzkaller", 0) = 3
[pid 555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 555] munmap(0x7fa88c94a000, 1048576) = 0
[pid 555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 555] ioctl(4, LOOP_CLR_FD) = 0
[pid 555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 555] close(4) = 0
[pid 555] close(3) = 0
[pid 555] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 555] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 555] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 555] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 555] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 555] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 555] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 555] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 555] exit_group(0) = ?
[pid 555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 556
./strace-static-x86_64: Process 556 attached
[pid 556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 556] setpgid(0, 0) = 0
[pid 556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 556] write(3, "1000", 4) = 4
[pid 556] close(3) = 0
[pid 556] memfd_create("syzkaller", 0) = 3
[pid 556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 556] munmap(0x7fa88c94a000, 1048576) = 0
[pid 556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 556] ioctl(4, LOOP_CLR_FD) = 0
[pid 556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 556] close(4) = 0
[pid 556] close(3) = 0
[pid 556] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 556] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 556] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 556] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 556] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 556] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 556] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 556] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 556] exit_group(0) = ?
[pid 556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 557
./strace-static-x86_64: Process 557 attached
[pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 557] setpgid(0, 0) = 0
[pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 557] write(3, "1000", 4) = 4
[pid 557] close(3) = 0
[pid 557] memfd_create("syzkaller", 0) = 3
[pid 557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 557] munmap(0x7fa88c94a000, 1048576) = 0
[pid 557] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 557] ioctl(4, LOOP_CLR_FD) = 0
[pid 557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 557] close(4) = 0
[pid 557] close(3) = 0
[pid 557] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 557] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 557] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 557] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 557] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 557] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 557] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 557] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 557] exit_group(0) = ?
[pid 557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 558
./strace-static-x86_64: Process 558 attached
[pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 558] setpgid(0, 0) = 0
[pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 558] write(3, "1000", 4) = 4
[pid 558] close(3) = 0
[pid 558] memfd_create("syzkaller", 0) = 3
[pid 558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 558] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 558] munmap(0x7fa88c94a000, 1048576) = 0
[pid 558] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 558] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 558] ioctl(4, LOOP_CLR_FD) = 0
[pid 558] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 558] close(4) = 0
[pid 558] close(3) = 0
[pid 558] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 558] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 558] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 558] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 558] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 558] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 558] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 558] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 558] exit_group(0) = ?
[pid 558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 559 attached
, child_tidptr=0x55555595d5d0) = 559
[pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 559] setpgid(0, 0) = 0
[pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 559] write(3, "1000", 4) = 4
[pid 559] close(3) = 0
[pid 559] memfd_create("syzkaller", 0) = 3
[pid 559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 559] munmap(0x7fa88c94a000, 1048576) = 0
[pid 559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 559] ioctl(4, LOOP_CLR_FD) = 0
[pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 559] close(4) = 0
[pid 559] close(3) = 0
[pid 559] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 559] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 559] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 559] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 559] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 559] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 559] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 559] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 559] exit_group(0) = ?
[pid 559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 560 attached
, child_tidptr=0x55555595d5d0) = 560
[pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 560] setpgid(0, 0) = 0
[pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 560] write(3, "1000", 4) = 4
[pid 560] close(3) = 0
[pid 560] memfd_create("syzkaller", 0) = 3
[pid 560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 560] munmap(0x7fa88c94a000, 1048576) = 0
[pid 560] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 560] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 560] ioctl(4, LOOP_CLR_FD) = 0
[pid 560] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 560] close(4) = 0
[pid 560] close(3) = 0
[pid 560] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 560] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 560] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 560] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 560] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 560] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 560] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 560] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 560] exit_group(0) = ?
[pid 560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 561 attached
, child_tidptr=0x55555595d5d0) = 561
[pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 561] setpgid(0, 0) = 0
[pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 561] write(3, "1000", 4) = 4
[pid 561] close(3) = 0
[pid 561] memfd_create("syzkaller", 0) = 3
[pid 561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 561] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 561] munmap(0x7fa88c94a000, 1048576) = 0
[pid 561] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 561] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 561] ioctl(4, LOOP_CLR_FD) = 0
[pid 561] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 561] close(4) = 0
[pid 561] close(3) = 0
[pid 561] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 561] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 561] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 561] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 561] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 561] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 561] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 561] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 561] exit_group(0) = ?
[pid 561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 562
./strace-static-x86_64: Process 562 attached
[pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 562] setpgid(0, 0) = 0
[pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 562] write(3, "1000", 4) = 4
[pid 562] close(3) = 0
[pid 562] memfd_create("syzkaller", 0) = 3
[pid 562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 562] munmap(0x7fa88c94a000, 1048576) = 0
[pid 562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 562] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 562] ioctl(4, LOOP_CLR_FD) = 0
[pid 562] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 562] close(4) = 0
[pid 562] close(3) = 0
[pid 562] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 562] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 562] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 562] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 562] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 562] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 562] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 562] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 562] exit_group(0) = ?
[pid 562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 563
./strace-static-x86_64: Process 563 attached
[pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 563] setpgid(0, 0) = 0
[pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 563] write(3, "1000", 4) = 4
[pid 563] close(3) = 0
[pid 563] memfd_create("syzkaller", 0) = 3
[pid 563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 563] munmap(0x7fa88c94a000, 1048576) = 0
[pid 563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 563] ioctl(4, LOOP_CLR_FD) = 0
[pid 563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 563] close(4) = 0
[pid 563] close(3) = 0
[pid 563] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 563] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 563] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 563] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 563] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 563] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 563] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 563] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 563] exit_group(0) = ?
[pid 563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 564
./strace-static-x86_64: Process 564 attached
[pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 564] setpgid(0, 0) = 0
[pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 564] write(3, "1000", 4) = 4
[pid 564] close(3) = 0
[pid 564] memfd_create("syzkaller", 0) = 3
[pid 564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 564] munmap(0x7fa88c94a000, 1048576) = 0
[pid 564] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 564] ioctl(4, LOOP_CLR_FD) = 0
[pid 564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 564] close(4) = 0
[pid 564] close(3) = 0
[pid 564] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 564] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 564] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 564] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 564] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 564] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 564] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 564] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 564] exit_group(0) = ?
[pid 564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 565
./strace-static-x86_64: Process 565 attached
[pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 565] setpgid(0, 0) = 0
[pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 565] write(3, "1000", 4) = 4
[pid 565] close(3) = 0
[pid 565] memfd_create("syzkaller", 0) = 3
[pid 565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 565] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 565] munmap(0x7fa88c94a000, 1048576) = 0
[pid 565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 565] ioctl(4, LOOP_CLR_FD) = 0
[pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 565] close(4) = 0
[pid 565] close(3) = 0
[pid 565] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 565] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 565] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 565] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 565] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 565] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 565] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 565] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 565] exit_group(0) = ?
[pid 565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 566 attached
, child_tidptr=0x55555595d5d0) = 566
[pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 566] setpgid(0, 0) = 0
[pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 566] write(3, "1000", 4) = 4
[pid 566] close(3) = 0
[pid 566] memfd_create("syzkaller", 0) = 3
[pid 566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 566] munmap(0x7fa88c94a000, 1048576) = 0
[pid 566] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 566] ioctl(4, LOOP_CLR_FD) = 0
[pid 566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 566] close(4) = 0
[pid 566] close(3) = 0
[pid 566] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 566] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 566] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 566] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 566] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 566] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 566] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 566] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 566] exit_group(0) = ?
[pid 566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 567
./strace-static-x86_64: Process 567 attached
[pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 567] setpgid(0, 0) = 0
[pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 567] write(3, "1000", 4) = 4
[pid 567] close(3) = 0
[pid 567] memfd_create("syzkaller", 0) = 3
[pid 567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 567] munmap(0x7fa88c94a000, 1048576) = 0
[pid 567] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 567] ioctl(4, LOOP_CLR_FD) = 0
[pid 567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 567] close(4) = 0
[pid 567] close(3) = 0
[pid 567] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 567] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 567] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 567] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 567] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 567] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 567] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 567] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 567] exit_group(0) = ?
[pid 567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 568 attached
, child_tidptr=0x55555595d5d0) = 568
[pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 568] setpgid(0, 0) = 0
[pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 568] write(3, "1000", 4) = 4
[pid 568] close(3) = 0
[pid 568] memfd_create("syzkaller", 0) = 3
[pid 568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 568] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 568] munmap(0x7fa88c94a000, 1048576) = 0
[pid 568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 568] ioctl(4, LOOP_CLR_FD) = 0
[pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 568] close(4) = 0
[pid 568] close(3) = 0
[pid 568] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 568] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 568] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 568] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 568] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 568] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 568] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 568] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 568] exit_group(0) = ?
[pid 568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 569
./strace-static-x86_64: Process 569 attached
[pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 569] setpgid(0, 0) = 0
[pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 569] write(3, "1000", 4) = 4
[pid 569] close(3) = 0
[pid 569] memfd_create("syzkaller", 0) = 3
[pid 569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 569] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 569] munmap(0x7fa88c94a000, 1048576) = 0
[pid 569] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 569] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 569] ioctl(4, LOOP_CLR_FD) = 0
[pid 569] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 569] close(4) = 0
[pid 569] close(3) = 0
[pid 569] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 569] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 569] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 569] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 569] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 569] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 569] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 569] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 569] exit_group(0) = ?
[pid 569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 570
./strace-static-x86_64: Process 570 attached
[pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 570] setpgid(0, 0) = 0
[pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 570] write(3, "1000", 4) = 4
[pid 570] close(3) = 0
[pid 570] memfd_create("syzkaller", 0) = 3
[pid 570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 570] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 570] munmap(0x7fa88c94a000, 1048576) = 0
[pid 570] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 570] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 570] ioctl(4, LOOP_CLR_FD) = 0
[pid 570] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 570] close(4) = 0
[pid 570] close(3) = 0
[pid 570] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 570] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 570] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 570] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 570] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 570] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 570] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 570] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 570] exit_group(0) = ?
[pid 570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 571
./strace-static-x86_64: Process 571 attached
[pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 571] setpgid(0, 0) = 0
[pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 571] write(3, "1000", 4) = 4
[pid 571] close(3) = 0
[pid 571] memfd_create("syzkaller", 0) = 3
[pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 571] munmap(0x7fa88c94a000, 1048576) = 0
[pid 571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 571] ioctl(4, LOOP_CLR_FD) = 0
[pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 571] close(4) = 0
[pid 571] close(3) = 0
[pid 571] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 571] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 571] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 571] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 571] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 571] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 571] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 571] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 571] exit_group(0) = ?
[pid 571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 572 attached
, child_tidptr=0x55555595d5d0) = 572
[pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 572] setpgid(0, 0) = 0
[pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 572] write(3, "1000", 4) = 4
[pid 572] close(3) = 0
[pid 572] memfd_create("syzkaller", 0) = 3
[pid 572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 572] munmap(0x7fa88c94a000, 1048576) = 0
[pid 572] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 572] ioctl(4, LOOP_CLR_FD) = 0
[pid 572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 572] close(4) = 0
[pid 572] close(3) = 0
[pid 572] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 572] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 572] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 572] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 572] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 572] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 572] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 572] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 572] exit_group(0) = ?
[pid 572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 573
./strace-static-x86_64: Process 573 attached
[pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 573] setpgid(0, 0) = 0
[pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 573] write(3, "1000", 4) = 4
[pid 573] close(3) = 0
[pid 573] memfd_create("syzkaller", 0) = 3
[pid 573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 573] munmap(0x7fa88c94a000, 1048576) = 0
[pid 573] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 573] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 573] ioctl(4, LOOP_CLR_FD) = 0
[pid 573] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 573] close(4) = 0
[pid 573] close(3) = 0
[pid 573] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 573] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 573] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 573] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 573] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 573] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 573] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 573] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 573] exit_group(0) = ?
[pid 573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 574 attached
<unfinished ...>
[pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 327] <... clone resumed>, child_tidptr=0x55555595d5d0) = 574
[pid 574] <... prctl resumed>) = 0
[pid 574] setpgid(0, 0) = 0
[pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 574] write(3, "1000", 4) = 4
[pid 574] close(3) = 0
[pid 574] memfd_create("syzkaller", 0) = 3
[pid 574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 574] munmap(0x7fa88c94a000, 1048576) = 0
[pid 574] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 574] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 574] ioctl(4, LOOP_CLR_FD) = 0
[pid 574] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 574] close(4) = 0
[pid 574] close(3) = 0
[pid 574] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 574] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 574] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 574] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 574] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 574] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 574] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 574] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 574] exit_group(0) = ?
[pid 574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 575 attached
, child_tidptr=0x55555595d5d0) = 575
[pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 575] setpgid(0, 0) = 0
[pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 575] write(3, "1000", 4) = 4
[pid 575] close(3) = 0
[pid 575] memfd_create("syzkaller", 0) = 3
[pid 575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 575] munmap(0x7fa88c94a000, 1048576) = 0
[pid 575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 575] ioctl(4, LOOP_CLR_FD) = 0
[pid 575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 575] close(4) = 0
[pid 575] close(3) = 0
[pid 575] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 575] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 575] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 575] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 575] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 575] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 575] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 575] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 575] exit_group(0) = ?
[pid 575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 577 attached
<unfinished ...>
[pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 577] setpgid(0, 0) = 0
[pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 577] write(3, "1000", 4) = 4
[pid 577] close(3) = 0
[pid 577] memfd_create("syzkaller", 0) = 3
[pid 577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 327] <... clone resumed>, child_tidptr=0x55555595d5d0) = 577
[pid 577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 577] munmap(0x7fa88c94a000, 1048576) = 0
[pid 577] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 577] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 577] ioctl(4, LOOP_CLR_FD) = 0
[pid 577] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 577] close(4) = 0
[pid 577] close(3) = 0
[pid 577] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 577] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 577] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 577] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 577] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 577] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 577] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 577] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 577] exit_group(0) = ?
[pid 577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 578
./strace-static-x86_64: Process 578 attached
[pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 578] setpgid(0, 0) = 0
[pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 578] write(3, "1000", 4) = 4
[pid 578] close(3) = 0
[pid 578] memfd_create("syzkaller", 0) = 3
[pid 578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 578] munmap(0x7fa88c94a000, 1048576) = 0
[pid 578] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 578] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 578] ioctl(4, LOOP_CLR_FD) = 0
[pid 578] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 578] close(4) = 0
[pid 578] close(3) = 0
[pid 578] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 578] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 578] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 578] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 578] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 578] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 578] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 578] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 578] exit_group(0) = ?
[pid 578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 579
./strace-static-x86_64: Process 579 attached
[pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 579] setpgid(0, 0) = 0
[pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 579] write(3, "1000", 4) = 4
[pid 579] close(3) = 0
[pid 579] memfd_create("syzkaller", 0) = 3
[pid 579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 579] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 579] munmap(0x7fa88c94a000, 1048576) = 0
[pid 579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 579] ioctl(4, LOOP_CLR_FD) = 0
[pid 579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 579] close(4) = 0
[pid 579] close(3) = 0
[pid 579] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 579] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 579] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 579] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 579] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 579] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 579] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 579] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 579] exit_group(0) = ?
[pid 579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 580
./strace-static-x86_64: Process 580 attached
[pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 580] setpgid(0, 0) = 0
[pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 580] write(3, "1000", 4) = 4
[pid 580] close(3) = 0
[pid 580] memfd_create("syzkaller", 0) = 3
[pid 580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 580] munmap(0x7fa88c94a000, 1048576) = 0
[pid 580] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 580] ioctl(4, LOOP_CLR_FD) = 0
[pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 580] close(4) = 0
[pid 580] close(3) = 0
[pid 580] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 580] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 580] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 580] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 580] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 580] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 580] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 580] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 580] exit_group(0) = ?
[pid 580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 581
./strace-static-x86_64: Process 581 attached
[pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 581] setpgid(0, 0) = 0
[pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 581] write(3, "1000", 4) = 4
[pid 581] close(3) = 0
[pid 581] memfd_create("syzkaller", 0) = 3
[pid 581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 581] munmap(0x7fa88c94a000, 1048576) = 0
[pid 581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 581] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 581] ioctl(4, LOOP_CLR_FD) = 0
[pid 581] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 581] close(4) = 0
[pid 581] close(3) = 0
[pid 581] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 581] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 581] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 581] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 581] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 581] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 581] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 581] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 581] exit_group(0) = ?
[pid 581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 582 attached
, child_tidptr=0x55555595d5d0) = 582
[pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 582] setpgid(0, 0) = 0
[pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 582] write(3, "1000", 4) = 4
[pid 582] close(3) = 0
[pid 582] memfd_create("syzkaller", 0) = 3
[pid 582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 582] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 582] munmap(0x7fa88c94a000, 1048576) = 0
[pid 582] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 582] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 582] ioctl(4, LOOP_CLR_FD) = 0
[pid 582] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 582] close(4) = 0
[pid 582] close(3) = 0
[pid 582] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 582] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 582] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 582] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 582] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 582] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 582] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 582] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 582] exit_group(0) = ?
[pid 582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 583
./strace-static-x86_64: Process 583 attached
[pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 583] setpgid(0, 0) = 0
[pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 583] write(3, "1000", 4) = 4
[pid 583] close(3) = 0
[pid 583] memfd_create("syzkaller", 0) = 3
[pid 583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 583] munmap(0x7fa88c94a000, 1048576) = 0
[pid 583] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 583] ioctl(4, LOOP_CLR_FD) = 0
[pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 583] close(4) = 0
[pid 583] close(3) = 0
[pid 583] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 583] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 583] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 583] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 583] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 583] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 583] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 583] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 583] exit_group(0) = ?
[pid 583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 584
./strace-static-x86_64: Process 584 attached
[pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 584] setpgid(0, 0) = 0
[pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 584] write(3, "1000", 4) = 4
[pid 584] close(3) = 0
[pid 584] memfd_create("syzkaller", 0) = 3
[pid 584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 584] munmap(0x7fa88c94a000, 1048576) = 0
[pid 584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 584] ioctl(4, LOOP_CLR_FD) = 0
[pid 584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 584] close(4) = 0
[pid 584] close(3) = 0
[pid 584] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 584] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 584] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 584] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 584] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 584] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 584] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 584] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 584] exit_group(0) = ?
[pid 584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 585
./strace-static-x86_64: Process 585 attached
[pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 585] setpgid(0, 0) = 0
[pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 585] write(3, "1000", 4) = 4
[pid 585] close(3) = 0
[pid 585] memfd_create("syzkaller", 0) = 3
[pid 585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 585] munmap(0x7fa88c94a000, 1048576) = 0
[pid 585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 585] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 585] ioctl(4, LOOP_CLR_FD) = 0
[pid 585] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 585] close(4) = 0
[pid 585] close(3) = 0
[pid 585] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 585] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 585] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 585] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 585] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 585] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 585] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 585] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 585] exit_group(0) = ?
[pid 585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 586
./strace-static-x86_64: Process 586 attached
[pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 586] setpgid(0, 0) = 0
[pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 586] write(3, "1000", 4) = 4
[pid 586] close(3) = 0
[pid 586] memfd_create("syzkaller", 0) = 3
[pid 586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 586] munmap(0x7fa88c94a000, 1048576) = 0
[pid 586] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 586] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 586] ioctl(4, LOOP_CLR_FD) = 0
[pid 586] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 586] close(4) = 0
[pid 586] close(3) = 0
[pid 586] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 586] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 586] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 586] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 586] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 586] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 586] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 586] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 586] exit_group(0) = ?
[pid 586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 587
./strace-static-x86_64: Process 587 attached
[pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 587] setpgid(0, 0) = 0
[pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 587] write(3, "1000", 4) = 4
[pid 587] close(3) = 0
[pid 587] memfd_create("syzkaller", 0) = 3
[pid 587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 587] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 587] munmap(0x7fa88c94a000, 1048576) = 0
[pid 587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 587] ioctl(4, LOOP_CLR_FD) = 0
[pid 587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 587] close(4) = 0
[pid 587] close(3) = 0
[pid 587] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 587] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 587] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 587] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 587] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 587] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 587] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 587] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 587] exit_group(0) = ?
[pid 587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 588
./strace-static-x86_64: Process 588 attached
[pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 588] setpgid(0, 0) = 0
[pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 588] write(3, "1000", 4) = 4
[pid 588] close(3) = 0
[pid 588] memfd_create("syzkaller", 0) = 3
[pid 588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 588] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 588] munmap(0x7fa88c94a000, 1048576) = 0
[pid 588] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 588] ioctl(4, LOOP_CLR_FD) = 0
[pid 588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 588] close(4) = 0
[pid 588] close(3) = 0
[pid 588] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 588] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 588] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 588] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 588] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 588] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 588] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 588] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 588] exit_group(0) = ?
[pid 588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 589
./strace-static-x86_64: Process 589 attached
[pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 589] setpgid(0, 0) = 0
[pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 589] write(3, "1000", 4) = 4
[pid 589] close(3) = 0
[pid 589] memfd_create("syzkaller", 0) = 3
[pid 589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 589] munmap(0x7fa88c94a000, 1048576) = 0
[pid 589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 589] ioctl(4, LOOP_CLR_FD) = 0
[pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 589] close(4) = 0
[pid 589] close(3) = 0
[pid 589] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 589] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 589] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 589] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 589] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 589] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 589] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 589] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 589] exit_group(0) = ?
[pid 589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 590
./strace-static-x86_64: Process 590 attached
[pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 590] setpgid(0, 0) = 0
[pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 590] write(3, "1000", 4) = 4
[pid 590] close(3) = 0
[pid 590] memfd_create("syzkaller", 0) = 3
[pid 590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 590] munmap(0x7fa88c94a000, 1048576) = 0
[pid 590] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 590] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 590] ioctl(4, LOOP_CLR_FD) = 0
[pid 590] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 590] close(4) = 0
[pid 590] close(3) = 0
[pid 590] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 590] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 590] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 590] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 590] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 590] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 590] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 590] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 590] exit_group(0) = ?
[pid 590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 591
./strace-static-x86_64: Process 591 attached
[pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 591] setpgid(0, 0) = 0
[pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 591] write(3, "1000", 4) = 4
[pid 591] close(3) = 0
[pid 591] memfd_create("syzkaller", 0) = 3
[pid 591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 591] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 591] munmap(0x7fa88c94a000, 1048576) = 0
[pid 591] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 591] ioctl(4, LOOP_CLR_FD) = 0
[pid 591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 591] close(4) = 0
[pid 591] close(3) = 0
[pid 591] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 591] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 591] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 591] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 591] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 591] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 591] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 591] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 591] exit_group(0) = ?
[pid 591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 592 attached
, child_tidptr=0x55555595d5d0) = 592
[pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 592] setpgid(0, 0) = 0
[pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 592] write(3, "1000", 4) = 4
[pid 592] close(3) = 0
[pid 592] memfd_create("syzkaller", 0) = 3
[pid 592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 592] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 592] munmap(0x7fa88c94a000, 1048576) = 0
[pid 592] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 592] ioctl(4, LOOP_CLR_FD) = 0
[pid 592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 592] close(4) = 0
[pid 592] close(3) = 0
[pid 592] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 592] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 592] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 592] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 592] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 592] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 592] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 592] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 592] exit_group(0) = ?
[pid 592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 593
./strace-static-x86_64: Process 593 attached
[pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 593] setpgid(0, 0) = 0
[pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 593] write(3, "1000", 4) = 4
[pid 593] close(3) = 0
[pid 593] memfd_create("syzkaller", 0) = 3
[pid 593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 593] munmap(0x7fa88c94a000, 1048576) = 0
[pid 593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 593] ioctl(4, LOOP_CLR_FD) = 0
[pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 593] close(4) = 0
[pid 593] close(3) = 0
[pid 593] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 593] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 593] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 593] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 593] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 593] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 593] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 593] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 593] exit_group(0) = ?
[pid 593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 594
./strace-static-x86_64: Process 594 attached
[pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 594] setpgid(0, 0) = 0
[pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 594] write(3, "1000", 4) = 4
[pid 594] close(3) = 0
[pid 594] memfd_create("syzkaller", 0) = 3
[pid 594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 594] munmap(0x7fa88c94a000, 1048576) = 0
[pid 594] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 594] ioctl(4, LOOP_CLR_FD) = 0
[pid 594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 594] close(4) = 0
[pid 594] close(3) = 0
[pid 594] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 594] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 594] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 594] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 594] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 594] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 594] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 594] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 594] exit_group(0) = ?
[pid 594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 595
./strace-static-x86_64: Process 595 attached
[pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 595] setpgid(0, 0) = 0
[pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 595] write(3, "1000", 4) = 4
[pid 595] close(3) = 0
[pid 595] memfd_create("syzkaller", 0) = 3
[pid 595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 595] munmap(0x7fa88c94a000, 1048576) = 0
[pid 595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 595] ioctl(4, LOOP_CLR_FD) = 0
[pid 595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 595] close(4) = 0
[pid 595] close(3) = 0
[pid 595] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 595] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 595] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 595] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 595] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 595] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 595] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 595] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 595] exit_group(0) = ?
[pid 595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 596
./strace-static-x86_64: Process 596 attached
[pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 596] setpgid(0, 0) = 0
[pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 596] write(3, "1000", 4) = 4
[pid 596] close(3) = 0
[pid 596] memfd_create("syzkaller", 0) = 3
[pid 596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 596] munmap(0x7fa88c94a000, 1048576) = 0
[pid 596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 596] ioctl(4, LOOP_CLR_FD) = 0
[pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 596] close(4) = 0
[pid 596] close(3) = 0
[pid 596] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 596] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 596] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 596] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 596] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 596] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 596] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 596] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 596] exit_group(0) = ?
[pid 596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 597
./strace-static-x86_64: Process 597 attached
[pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 597] setpgid(0, 0) = 0
[pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 597] write(3, "1000", 4) = 4
[pid 597] close(3) = 0
[pid 597] memfd_create("syzkaller", 0) = 3
[pid 597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 597] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 597] munmap(0x7fa88c94a000, 1048576) = 0
[pid 597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 597] ioctl(4, LOOP_CLR_FD) = 0
[pid 597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 597] close(4) = 0
[pid 597] close(3) = 0
[pid 597] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 597] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 597] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 597] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 597] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 597] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 597] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 597] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 597] exit_group(0) = ?
[pid 597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 598
./strace-static-x86_64: Process 598 attached
[pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 598] setpgid(0, 0) = 0
[pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 598] write(3, "1000", 4) = 4
[pid 598] close(3) = 0
[pid 598] memfd_create("syzkaller", 0) = 3
[pid 598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 598] munmap(0x7fa88c94a000, 1048576) = 0
[pid 598] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 598] ioctl(4, LOOP_CLR_FD) = 0
[pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 598] close(4) = 0
[pid 598] close(3) = 0
[pid 598] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 598] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 598] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 598] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 598] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 598] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 598] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 598] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 598] exit_group(0) = ?
[pid 598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 599
./strace-static-x86_64: Process 599 attached
[pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 599] setpgid(0, 0) = 0
[pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 599] write(3, "1000", 4) = 4
[pid 599] close(3) = 0
[pid 599] memfd_create("syzkaller", 0) = 3
[pid 599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 599] munmap(0x7fa88c94a000, 1048576) = 0
[pid 599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 599] ioctl(4, LOOP_CLR_FD) = 0
[pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 599] close(4) = 0
[pid 599] close(3) = 0
[pid 599] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 599] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 599] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 599] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 599] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 599] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 599] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 599] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 599] exit_group(0) = ?
[pid 599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 600 attached
, child_tidptr=0x55555595d5d0) = 600
[pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 600] setpgid(0, 0) = 0
[pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 600] write(3, "1000", 4) = 4
[pid 600] close(3) = 0
[pid 600] memfd_create("syzkaller", 0) = 3
[pid 600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 600] munmap(0x7fa88c94a000, 1048576) = 0
[pid 600] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 600] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 600] ioctl(4, LOOP_CLR_FD) = 0
[pid 600] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 600] close(4) = 0
[pid 600] close(3) = 0
[pid 600] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 600] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 600] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 600] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 600] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 600] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 600] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 600] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 600] exit_group(0) = ?
[pid 600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 601
./strace-static-x86_64: Process 601 attached
[pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 601] setpgid(0, 0) = 0
[pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 601] write(3, "1000", 4) = 4
[pid 601] close(3) = 0
[pid 601] memfd_create("syzkaller", 0) = 3
[pid 601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 601] munmap(0x7fa88c94a000, 1048576) = 0
[pid 601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 601] ioctl(4, LOOP_CLR_FD) = 0
[pid 601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 601] close(4) = 0
[pid 601] close(3) = 0
[pid 601] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 601] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 601] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 601] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 601] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 601] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 601] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 601] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 601] exit_group(0) = ?
[pid 601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 602
./strace-static-x86_64: Process 602 attached
[pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 602] setpgid(0, 0) = 0
[pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 602] write(3, "1000", 4) = 4
[pid 602] close(3) = 0
[pid 602] memfd_create("syzkaller", 0) = 3
[pid 602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 602] munmap(0x7fa88c94a000, 1048576) = 0
[pid 602] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 602] ioctl(4, LOOP_CLR_FD) = 0
[pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 602] close(4) = 0
[pid 602] close(3) = 0
[pid 602] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 602] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 602] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 602] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 602] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 602] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 602] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 602] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 602] exit_group(0) = ?
[pid 602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 603
./strace-static-x86_64: Process 603 attached
[pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 603] setpgid(0, 0) = 0
[pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 603] write(3, "1000", 4) = 4
[pid 603] close(3) = 0
[pid 603] memfd_create("syzkaller", 0) = 3
[pid 603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 603] munmap(0x7fa88c94a000, 1048576) = 0
[pid 603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 603] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 603] ioctl(4, LOOP_CLR_FD) = 0
[pid 603] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 603] close(4) = 0
[pid 603] close(3) = 0
[pid 603] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 603] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 603] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 603] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 603] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 603] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 603] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 603] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 603] exit_group(0) = ?
[pid 603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 604 attached
, child_tidptr=0x55555595d5d0) = 604
[pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 604] setpgid(0, 0) = 0
[pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 604] write(3, "1000", 4) = 4
[pid 604] close(3) = 0
[pid 604] memfd_create("syzkaller", 0) = 3
[pid 604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 604] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 604] munmap(0x7fa88c94a000, 1048576) = 0
[pid 604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 604] ioctl(4, LOOP_CLR_FD) = 0
[pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 604] close(4) = 0
[pid 604] close(3) = 0
[pid 604] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 604] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 604] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 604] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 604] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 604] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 604] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 604] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 604] exit_group(0) = ?
[pid 604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 605 attached
, child_tidptr=0x55555595d5d0) = 605
[pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 605] setpgid(0, 0) = 0
[pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 605] write(3, "1000", 4) = 4
[pid 605] close(3) = 0
[pid 605] memfd_create("syzkaller", 0) = 3
[pid 605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 605] munmap(0x7fa88c94a000, 1048576) = 0
[pid 605] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 605] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 605] ioctl(4, LOOP_CLR_FD) = 0
[pid 605] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 605] close(4) = 0
[pid 605] close(3) = 0
[pid 605] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 605] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 605] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 605] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 605] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 605] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 605] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 605] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 605] exit_group(0) = ?
[pid 605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 606
./strace-static-x86_64: Process 606 attached
[pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 606] setpgid(0, 0) = 0
[pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 606] write(3, "1000", 4) = 4
[pid 606] close(3) = 0
[pid 606] memfd_create("syzkaller", 0) = 3
[pid 606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 606] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 606] munmap(0x7fa88c94a000, 1048576) = 0
[pid 606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 606] ioctl(4, LOOP_CLR_FD) = 0
[pid 606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 606] close(4) = 0
[pid 606] close(3) = 0
[pid 606] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 606] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 606] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 606] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 606] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 606] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 606] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 606] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 606] exit_group(0) = ?
[pid 606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 607 attached
, child_tidptr=0x55555595d5d0) = 607
[pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 607] setpgid(0, 0) = 0
[pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 607] write(3, "1000", 4) = 4
[pid 607] close(3) = 0
[pid 607] memfd_create("syzkaller", 0) = 3
[pid 607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 607] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 607] munmap(0x7fa88c94a000, 1048576) = 0
[pid 607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 607] ioctl(4, LOOP_CLR_FD) = 0
[pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 607] close(4) = 0
[pid 607] close(3) = 0
[pid 607] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 607] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 607] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 607] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 607] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 607] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 607] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 607] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 607] exit_group(0) = ?
[pid 607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 608 attached
, child_tidptr=0x55555595d5d0) = 608
[pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 608] setpgid(0, 0) = 0
[pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 608] write(3, "1000", 4) = 4
[pid 608] close(3) = 0
[pid 608] memfd_create("syzkaller", 0) = 3
[pid 608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 608] munmap(0x7fa88c94a000, 1048576) = 0
[pid 608] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 608] ioctl(4, LOOP_CLR_FD) = 0
[pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 608] close(4) = 0
[pid 608] close(3) = 0
[pid 608] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 608] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 608] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 608] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 608] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 608] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 608] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 608] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 608] exit_group(0) = ?
[pid 608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 609
./strace-static-x86_64: Process 609 attached
[pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 609] setpgid(0, 0) = 0
[pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 609] write(3, "1000", 4) = 4
[pid 609] close(3) = 0
[pid 609] memfd_create("syzkaller", 0) = 3
[pid 609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 609] munmap(0x7fa88c94a000, 1048576) = 0
[pid 609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 609] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 609] ioctl(4, LOOP_CLR_FD) = 0
[pid 609] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 609] close(4) = 0
[pid 609] close(3) = 0
[pid 609] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 609] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 609] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 609] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 609] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 609] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 609] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 609] exit_group(0) = ?
[pid 609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 610 attached
, child_tidptr=0x55555595d5d0) = 610
[pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 610] setpgid(0, 0) = 0
[pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 610] write(3, "1000", 4) = 4
[pid 610] close(3) = 0
[pid 610] memfd_create("syzkaller", 0) = 3
[pid 610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 610] munmap(0x7fa88c94a000, 1048576) = 0
[pid 610] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 610] ioctl(4, LOOP_CLR_FD) = 0
[pid 610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 610] close(4) = 0
[pid 610] close(3) = 0
[pid 610] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 610] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 610] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 610] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 610] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 610] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 610] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 610] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 610] exit_group(0) = ?
[pid 610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 611 attached
, child_tidptr=0x55555595d5d0) = 611
[pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 611] setpgid(0, 0) = 0
[pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 611] write(3, "1000", 4) = 4
[pid 611] close(3) = 0
[pid 611] memfd_create("syzkaller", 0) = 3
[pid 611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 611] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 611] munmap(0x7fa88c94a000, 1048576) = 0
[pid 611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 611] ioctl(4, LOOP_CLR_FD) = 0
[pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 611] close(4) = 0
[pid 611] close(3) = 0
[pid 611] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 611] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 611] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 611] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 611] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 611] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 611] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 611] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 611] exit_group(0) = ?
[pid 611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 612 attached
, child_tidptr=0x55555595d5d0) = 612
[pid 612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 612] setpgid(0, 0) = 0
[pid 612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 612] write(3, "1000", 4) = 4
[pid 612] close(3) = 0
[pid 612] memfd_create("syzkaller", 0) = 3
[pid 612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 612] munmap(0x7fa88c94a000, 1048576) = 0
[pid 612] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 612] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 612] ioctl(4, LOOP_CLR_FD) = 0
[pid 612] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 612] close(4) = 0
[pid 612] close(3) = 0
[pid 612] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 612] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 612] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 612] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 612] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 612] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 612] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 612] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 612] exit_group(0) = ?
[pid 612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 613 attached
, child_tidptr=0x55555595d5d0) = 613
[pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 613] setpgid(0, 0) = 0
[pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 613] write(3, "1000", 4) = 4
[pid 613] close(3) = 0
[pid 613] memfd_create("syzkaller", 0) = 3
[pid 613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 613] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 613] munmap(0x7fa88c94a000, 1048576) = 0
[pid 613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 613] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 613] ioctl(4, LOOP_CLR_FD) = 0
[pid 613] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 613] close(4) = 0
[pid 613] close(3) = 0
[pid 613] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 613] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 613] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 613] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 613] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 613] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 613] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 613] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 613] exit_group(0) = ?
[pid 613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 614 attached
, child_tidptr=0x55555595d5d0) = 614
[pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 614] setpgid(0, 0) = 0
[pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 614] write(3, "1000", 4) = 4
[pid 614] close(3) = 0
[pid 614] memfd_create("syzkaller", 0) = 3
[pid 614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 614] munmap(0x7fa88c94a000, 1048576) = 0
[pid 614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 614] ioctl(4, LOOP_CLR_FD) = 0
[pid 614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 614] close(4) = 0
[pid 614] close(3) = 0
[pid 614] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 614] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 614] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 614] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 614] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 614] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 614] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 614] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 614] exit_group(0) = ?
[pid 614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 616
./strace-static-x86_64: Process 616 attached
[pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 616] setpgid(0, 0) = 0
[pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 616] write(3, "1000", 4) = 4
[pid 616] close(3) = 0
[pid 616] memfd_create("syzkaller", 0) = 3
[pid 616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 616] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 616] munmap(0x7fa88c94a000, 1048576) = 0
[pid 616] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 616] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 616] ioctl(4, LOOP_CLR_FD) = 0
[pid 616] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 616] close(4) = 0
[pid 616] close(3) = 0
[pid 616] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 616] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 616] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 616] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 616] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 616] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 616] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 616] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 616] exit_group(0) = ?
[pid 616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 617
./strace-static-x86_64: Process 617 attached
[pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 617] setpgid(0, 0) = 0
[pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 617] write(3, "1000", 4) = 4
[pid 617] close(3) = 0
[pid 617] memfd_create("syzkaller", 0) = 3
[pid 617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 617] munmap(0x7fa88c94a000, 1048576) = 0
[pid 617] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 617] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 617] ioctl(4, LOOP_CLR_FD) = 0
[pid 617] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 617] close(4) = 0
[pid 617] close(3) = 0
[pid 617] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 617] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 617] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 617] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 617] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 617] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 617] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 617] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 617] exit_group(0) = ?
[pid 617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 618
./strace-static-x86_64: Process 618 attached
[pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 618] setpgid(0, 0) = 0
[pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 618] write(3, "1000", 4) = 4
[pid 618] close(3) = 0
[pid 618] memfd_create("syzkaller", 0) = 3
[pid 618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 618] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 618] munmap(0x7fa88c94a000, 1048576) = 0
[pid 618] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 618] ioctl(4, LOOP_CLR_FD) = 0
[pid 618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 618] close(4) = 0
[pid 618] close(3) = 0
[pid 618] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 618] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 618] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 618] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 618] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 618] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 618] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 618] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 618] exit_group(0) = ?
[pid 618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 619
./strace-static-x86_64: Process 619 attached
[pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 619] setpgid(0, 0) = 0
[pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 619] write(3, "1000", 4) = 4
[pid 619] close(3) = 0
[pid 619] memfd_create("syzkaller", 0) = 3
[pid 619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 619] munmap(0x7fa88c94a000, 1048576) = 0
[pid 619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 619] ioctl(4, LOOP_CLR_FD) = 0
[pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 619] close(4) = 0
[pid 619] close(3) = 0
[pid 619] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 619] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 619] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 619] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 619] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 619] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 619] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 619] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 619] exit_group(0) = ?
[pid 619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 620
./strace-static-x86_64: Process 620 attached
[pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 620] setpgid(0, 0) = 0
[pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 620] write(3, "1000", 4) = 4
[pid 620] close(3) = 0
[pid 620] memfd_create("syzkaller", 0) = 3
[pid 620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 620] munmap(0x7fa88c94a000, 1048576) = 0
[pid 620] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 620] ioctl(4, LOOP_CLR_FD) = 0
[pid 620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 620] close(4) = 0
[pid 620] close(3) = 0
[pid 620] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 620] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 620] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 620] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 620] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 620] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 620] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 620] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 620] exit_group(0) = ?
[pid 620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 621
./strace-static-x86_64: Process 621 attached
[pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 621] setpgid(0, 0) = 0
[pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 621] write(3, "1000", 4) = 4
[pid 621] close(3) = 0
[pid 621] memfd_create("syzkaller", 0) = 3
[pid 621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 621] munmap(0x7fa88c94a000, 1048576) = 0
[pid 621] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 621] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 621] ioctl(4, LOOP_CLR_FD) = 0
[pid 621] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 621] close(4) = 0
[pid 621] close(3) = 0
[pid 621] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 621] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 621] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 621] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 621] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 621] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 621] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 621] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 621] exit_group(0) = ?
[pid 621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 622 attached
, child_tidptr=0x55555595d5d0) = 622
[pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 622] setpgid(0, 0) = 0
[pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 622] write(3, "1000", 4) = 4
[pid 622] close(3) = 0
[pid 622] memfd_create("syzkaller", 0) = 3
[pid 622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 622] munmap(0x7fa88c94a000, 1048576) = 0
[pid 622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 622] ioctl(4, LOOP_CLR_FD) = 0
[pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 622] close(4) = 0
[pid 622] close(3) = 0
[pid 622] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 622] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 622] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 622] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 622] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 622] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 622] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 622] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 622] exit_group(0) = ?
[pid 622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 623
./strace-static-x86_64: Process 623 attached
[pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 623] setpgid(0, 0) = 0
[pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 623] write(3, "1000", 4) = 4
[pid 623] close(3) = 0
[pid 623] memfd_create("syzkaller", 0) = 3
[pid 623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 623] munmap(0x7fa88c94a000, 1048576) = 0
[pid 623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 623] ioctl(4, LOOP_CLR_FD) = 0
[pid 623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 623] close(4) = 0
[pid 623] close(3) = 0
[pid 623] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 623] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 623] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 623] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 623] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 623] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 623] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 623] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 623] exit_group(0) = ?
[pid 623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 624
./strace-static-x86_64: Process 624 attached
[pid 624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 624] setpgid(0, 0) = 0
[pid 624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 624] write(3, "1000", 4) = 4
[pid 624] close(3) = 0
[pid 624] memfd_create("syzkaller", 0) = 3
[pid 624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 624] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 624] munmap(0x7fa88c94a000, 1048576) = 0
[pid 624] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 624] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 624] ioctl(4, LOOP_CLR_FD) = 0
[pid 624] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 624] close(4) = 0
[pid 624] close(3) = 0
[pid 624] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 624] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 624] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 624] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 624] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 624] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 624] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 624] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 624] exit_group(0) = ?
[pid 624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 625
./strace-static-x86_64: Process 625 attached
[pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 625] setpgid(0, 0) = 0
[pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 625] write(3, "1000", 4) = 4
[pid 625] close(3) = 0
[pid 625] memfd_create("syzkaller", 0) = 3
[pid 625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 625] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 625] munmap(0x7fa88c94a000, 1048576) = 0
[pid 625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 625] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 625] ioctl(4, LOOP_CLR_FD) = 0
[pid 625] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 625] close(4) = 0
[pid 625] close(3) = 0
[pid 625] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 625] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 625] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 625] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 625] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 625] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 625] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 625] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 625] exit_group(0) = ?
[pid 625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 626
./strace-static-x86_64: Process 626 attached
[pid 626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 626] setpgid(0, 0) = 0
[pid 626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 626] write(3, "1000", 4) = 4
[pid 626] close(3) = 0
[pid 626] memfd_create("syzkaller", 0) = 3
[pid 626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 626] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 626] munmap(0x7fa88c94a000, 1048576) = 0
[pid 626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 626] ioctl(4, LOOP_CLR_FD) = 0
[pid 626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 626] close(4) = 0
[pid 626] close(3) = 0
[pid 626] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 626] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 626] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 626] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 626] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 626] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 626] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 626] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 626] exit_group(0) = ?
[pid 626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 627
./strace-static-x86_64: Process 627 attached
[pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 627] setpgid(0, 0) = 0
[pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 627] write(3, "1000", 4) = 4
[pid 627] close(3) = 0
[pid 627] memfd_create("syzkaller", 0) = 3
[pid 627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 627] munmap(0x7fa88c94a000, 1048576) = 0
[pid 627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 627] ioctl(4, LOOP_CLR_FD) = 0
[pid 627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 627] close(4) = 0
[pid 627] close(3) = 0
[pid 627] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 627] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 627] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 627] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 627] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 627] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 627] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 627] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 627] exit_group(0) = ?
[pid 627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 628
./strace-static-x86_64: Process 628 attached
[pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 628] setpgid(0, 0) = 0
[pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 628] write(3, "1000", 4) = 4
[pid 628] close(3) = 0
[pid 628] memfd_create("syzkaller", 0) = 3
[pid 628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 628] munmap(0x7fa88c94a000, 1048576) = 0
[pid 628] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 628] ioctl(4, LOOP_CLR_FD) = 0
[pid 628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 628] close(4) = 0
[pid 628] close(3) = 0
[pid 628] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 628] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 628] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 628] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 628] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 628] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 628] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 628] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 628] exit_group(0) = ?
[pid 628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 629
./strace-static-x86_64: Process 629 attached
[pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 629] setpgid(0, 0) = 0
[pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 629] write(3, "1000", 4) = 4
[pid 629] close(3) = 0
[pid 629] memfd_create("syzkaller", 0) = 3
[pid 629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 629] munmap(0x7fa88c94a000, 1048576) = 0
[pid 629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 629] ioctl(4, LOOP_CLR_FD) = 0
[pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 629] close(4) = 0
[pid 629] close(3) = 0
[pid 629] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 629] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 629] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 629] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 629] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 629] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 629] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 629] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 629] exit_group(0) = ?
[pid 629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 630
./strace-static-x86_64: Process 630 attached
[pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 630] setpgid(0, 0) = 0
[pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 630] write(3, "1000", 4) = 4
[pid 630] close(3) = 0
[pid 630] memfd_create("syzkaller", 0) = 3
[pid 630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 630] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 630] munmap(0x7fa88c94a000, 1048576) = 0
[pid 630] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 630] ioctl(4, LOOP_CLR_FD) = 0
[pid 630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 630] close(4) = 0
[pid 630] close(3) = 0
[pid 630] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 630] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 630] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 630] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 630] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 630] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 630] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 630] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 630] exit_group(0) = ?
[pid 630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 631
./strace-static-x86_64: Process 631 attached
[pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 631] setpgid(0, 0) = 0
[pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 631] write(3, "1000", 4) = 4
[pid 631] close(3) = 0
[pid 631] memfd_create("syzkaller", 0) = 3
[pid 631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 631] munmap(0x7fa88c94a000, 1048576) = 0
[pid 631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 631] ioctl(4, LOOP_CLR_FD) = 0
[pid 631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 631] close(4) = 0
[pid 631] close(3) = 0
[pid 631] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 631] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 631] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 631] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 631] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 631] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 631] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 631] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 631] exit_group(0) = ?
[pid 631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 632 attached
, child_tidptr=0x55555595d5d0) = 632
[pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 632] setpgid(0, 0) = 0
[pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 632] write(3, "1000", 4) = 4
[pid 632] close(3) = 0
[pid 632] memfd_create("syzkaller", 0) = 3
[pid 632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 632] munmap(0x7fa88c94a000, 1048576) = 0
[pid 632] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 632] ioctl(4, LOOP_CLR_FD) = 0
[pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 632] close(4) = 0
[pid 632] close(3) = 0
[pid 632] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 632] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 632] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 632] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 632] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 632] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 632] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 632] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 632] exit_group(0) = ?
[pid 632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 633
./strace-static-x86_64: Process 633 attached
[pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 633] setpgid(0, 0) = 0
[pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 633] write(3, "1000", 4) = 4
[pid 633] close(3) = 0
[pid 633] memfd_create("syzkaller", 0) = 3
[pid 633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 633] munmap(0x7fa88c94a000, 1048576) = 0
[pid 633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 633] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 633] ioctl(4, LOOP_CLR_FD) = 0
[pid 633] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 633] close(4) = 0
[pid 633] close(3) = 0
[pid 633] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 633] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 633] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 633] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 633] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 633] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 633] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 633] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 633] exit_group(0) = ?
[pid 633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 634 attached
, child_tidptr=0x55555595d5d0) = 634
[pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 634] setpgid(0, 0) = 0
[pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 634] write(3, "1000", 4) = 4
[pid 634] close(3) = 0
[pid 634] memfd_create("syzkaller", 0) = 3
[pid 634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 634] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 634] munmap(0x7fa88c94a000, 1048576) = 0
[pid 634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 634] ioctl(4, LOOP_CLR_FD) = 0
[pid 634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 634] close(4) = 0
[pid 634] close(3) = 0
[pid 634] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 634] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 634] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 634] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 634] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 634] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 634] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 634] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 634] exit_group(0) = ?
[pid 634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 635 attached
, child_tidptr=0x55555595d5d0) = 635
[pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 635] setpgid(0, 0) = 0
[pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 635] write(3, "1000", 4) = 4
[pid 635] close(3) = 0
[pid 635] memfd_create("syzkaller", 0) = 3
[pid 635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 635] munmap(0x7fa88c94a000, 1048576) = 0
[pid 635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 635] ioctl(4, LOOP_CLR_FD) = 0
[pid 635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 635] close(4) = 0
[pid 635] close(3) = 0
[pid 635] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 635] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 635] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 635] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 635] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 635] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 635] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 635] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 635] exit_group(0) = ?
[pid 635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 636 attached
, child_tidptr=0x55555595d5d0) = 636
[pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 636] setpgid(0, 0) = 0
[pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 636] write(3, "1000", 4) = 4
[pid 636] close(3) = 0
[pid 636] memfd_create("syzkaller", 0) = 3
[pid 636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 636] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 636] munmap(0x7fa88c94a000, 1048576) = 0
[pid 636] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 636] ioctl(4, LOOP_CLR_FD) = 0
[pid 636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 636] close(4) = 0
[pid 636] close(3) = 0
[pid 636] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 636] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 636] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 636] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 636] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 636] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 636] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 636] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 636] exit_group(0) = ?
[pid 636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 637 attached
, child_tidptr=0x55555595d5d0) = 637
[pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 637] setpgid(0, 0) = 0
[pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 637] write(3, "1000", 4) = 4
[pid 637] close(3) = 0
[pid 637] memfd_create("syzkaller", 0) = 3
[pid 637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 637] munmap(0x7fa88c94a000, 1048576) = 0
[pid 637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 637] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 637] ioctl(4, LOOP_CLR_FD) = 0
[pid 637] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 637] close(4) = 0
[pid 637] close(3) = 0
[pid 637] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 637] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 637] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 637] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 637] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 637] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 637] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 637] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 637] exit_group(0) = ?
[pid 637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 638 attached
, child_tidptr=0x55555595d5d0) = 638
[pid 638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 638] setpgid(0, 0) = 0
[pid 638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 638] write(3, "1000", 4) = 4
[pid 638] close(3) = 0
[pid 638] memfd_create("syzkaller", 0) = 3
[pid 638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 638] munmap(0x7fa88c94a000, 1048576) = 0
[pid 638] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 638] ioctl(4, LOOP_CLR_FD) = 0
[pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 638] close(4) = 0
[pid 638] close(3) = 0
[pid 638] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 638] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 638] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 638] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 638] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 638] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 638] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 638] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 638] exit_group(0) = ?
[pid 638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 639 attached
, child_tidptr=0x55555595d5d0) = 639
[pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 639] setpgid(0, 0) = 0
[pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 639] write(3, "1000", 4) = 4
[pid 639] close(3) = 0
[pid 639] memfd_create("syzkaller", 0) = 3
[pid 639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 639] munmap(0x7fa88c94a000, 1048576) = 0
[pid 639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 639] ioctl(4, LOOP_CLR_FD) = 0
[pid 639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 639] close(4) = 0
[pid 639] close(3) = 0
[pid 639] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 639] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 639] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 639] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 639] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 639] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 639] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 639] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 639] exit_group(0) = ?
[pid 639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=639, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 640
./strace-static-x86_64: Process 640 attached
[pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 640] setpgid(0, 0) = 0
[pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 640] write(3, "1000", 4) = 4
[pid 640] close(3) = 0
[pid 640] memfd_create("syzkaller", 0) = 3
[pid 640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 640] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 640] munmap(0x7fa88c94a000, 1048576) = 0
[pid 640] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 640] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 640] ioctl(4, LOOP_CLR_FD) = 0
[pid 640] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 640] close(4) = 0
[pid 640] close(3) = 0
[pid 640] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 640] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 640] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 640] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 640] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 640] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 640] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 640] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 640] exit_group(0) = ?
[pid 640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 641
./strace-static-x86_64: Process 641 attached
[pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 641] setpgid(0, 0) = 0
[pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 641] write(3, "1000", 4) = 4
[pid 641] close(3) = 0
[pid 641] memfd_create("syzkaller", 0) = 3
[pid 641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 641] munmap(0x7fa88c94a000, 1048576) = 0
[pid 641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 641] ioctl(4, LOOP_CLR_FD) = 0
[pid 641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 641] close(4) = 0
[pid 641] close(3) = 0
[pid 641] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 641] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 641] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 641] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 641] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 641] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 641] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 641] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 641] exit_group(0) = ?
[pid 641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 642
./strace-static-x86_64: Process 642 attached
[pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 642] setpgid(0, 0) = 0
[pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 642] write(3, "1000", 4) = 4
[pid 642] close(3) = 0
[pid 642] memfd_create("syzkaller", 0) = 3
[pid 642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 642] munmap(0x7fa88c94a000, 1048576) = 0
[pid 642] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 642] ioctl(4, LOOP_CLR_FD) = 0
[pid 642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 642] close(4) = 0
[pid 642] close(3) = 0
[pid 642] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 642] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 642] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 642] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 642] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 642] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 642] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 642] exit_group(0) = ?
[pid 642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 643
./strace-static-x86_64: Process 643 attached
[pid 643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 643] setpgid(0, 0) = 0
[pid 643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 643] write(3, "1000", 4) = 4
[pid 643] close(3) = 0
[pid 643] memfd_create("syzkaller", 0) = 3
[pid 643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 643] munmap(0x7fa88c94a000, 1048576) = 0
[pid 643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 643] ioctl(4, LOOP_CLR_FD) = 0
[pid 643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 643] close(4) = 0
[pid 643] close(3) = 0
[pid 643] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 643] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 643] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 643] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 643] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 643] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 643] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 643] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 643] exit_group(0) = ?
[pid 643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 644
./strace-static-x86_64: Process 644 attached
[pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 644] setpgid(0, 0) = 0
[pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 644] write(3, "1000", 4) = 4
[pid 644] close(3) = 0
[pid 644] memfd_create("syzkaller", 0) = 3
[pid 644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 644] munmap(0x7fa88c94a000, 1048576) = 0
[pid 644] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 644] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 644] ioctl(4, LOOP_CLR_FD) = 0
[pid 644] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 644] close(4) = 0
[pid 644] close(3) = 0
[pid 644] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 644] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 644] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 644] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 644] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 644] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 644] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 644] exit_group(0) = ?
[pid 644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 645 attached
, child_tidptr=0x55555595d5d0) = 645
[pid 645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 645] setpgid(0, 0) = 0
[pid 645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 645] write(3, "1000", 4) = 4
[pid 645] close(3) = 0
[pid 645] memfd_create("syzkaller", 0) = 3
[pid 645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 645] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 645] munmap(0x7fa88c94a000, 1048576) = 0
[pid 645] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 645] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 645] ioctl(4, LOOP_CLR_FD) = 0
[pid 645] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 645] close(4) = 0
[pid 645] close(3) = 0
[pid 645] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 645] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 645] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 645] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 645] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 645] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 645] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 645] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 645] exit_group(0) = ?
[pid 645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=645, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 646 attached
, child_tidptr=0x55555595d5d0) = 646
[pid 646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 646] setpgid(0, 0) = 0
[pid 646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 646] write(3, "1000", 4) = 4
[pid 646] close(3) = 0
[pid 646] memfd_create("syzkaller", 0) = 3
[pid 646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 646] munmap(0x7fa88c94a000, 1048576) = 0
[pid 646] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 646] ioctl(4, LOOP_CLR_FD) = 0
[pid 646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 646] close(4) = 0
[pid 646] close(3) = 0
[pid 646] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 646] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 646] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 646] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 646] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 646] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 646] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 646] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 646] exit_group(0) = ?
[pid 646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 647
./strace-static-x86_64: Process 647 attached
[pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 647] setpgid(0, 0) = 0
[pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 647] write(3, "1000", 4) = 4
[pid 647] close(3) = 0
[pid 647] memfd_create("syzkaller", 0) = 3
[pid 647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 647] munmap(0x7fa88c94a000, 1048576) = 0
[pid 647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 647] ioctl(4, LOOP_CLR_FD) = 0
[pid 647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 647] close(4) = 0
[pid 647] close(3) = 0
[pid 647] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 647] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 647] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 647] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 647] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 647] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 647] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 647] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 647] exit_group(0) = ?
[pid 647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 648
./strace-static-x86_64: Process 648 attached
[pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 648] setpgid(0, 0) = 0
[pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 648] write(3, "1000", 4) = 4
[pid 648] close(3) = 0
[pid 648] memfd_create("syzkaller", 0) = 3
[pid 648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 648] munmap(0x7fa88c94a000, 1048576) = 0
[pid 648] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 648] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 648] ioctl(4, LOOP_CLR_FD) = 0
[pid 648] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 648] close(4) = 0
[pid 648] close(3) = 0
[pid 648] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 648] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 648] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 648] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 648] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 648] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 648] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 648] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 648] exit_group(0) = ?
[pid 648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 649
./strace-static-x86_64: Process 649 attached
[pid 649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 649] setpgid(0, 0) = 0
[pid 649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 649] write(3, "1000", 4) = 4
[pid 649] close(3) = 0
[pid 649] memfd_create("syzkaller", 0) = 3
[pid 649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 649] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 649] munmap(0x7fa88c94a000, 1048576) = 0
[pid 649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 649] ioctl(4, LOOP_CLR_FD) = 0
[pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 649] close(4) = 0
[pid 649] close(3) = 0
[pid 649] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 649] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 649] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 649] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 649] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 649] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 649] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 649] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 649] exit_group(0) = ?
[pid 649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 650
./strace-static-x86_64: Process 650 attached
[pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 650] setpgid(0, 0) = 0
[pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 650] write(3, "1000", 4) = 4
[pid 650] close(3) = 0
[pid 650] memfd_create("syzkaller", 0) = 3
[pid 650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 650] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 650] munmap(0x7fa88c94a000, 1048576) = 0
[pid 650] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 650] ioctl(4, LOOP_CLR_FD) = 0
[pid 650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 650] close(4) = 0
[pid 650] close(3) = 0
[pid 650] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 650] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 650] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 650] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 650] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 650] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 650] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 650] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 650] exit_group(0) = ?
[pid 650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 651
./strace-static-x86_64: Process 651 attached
[pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 651] setpgid(0, 0) = 0
[pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 651] write(3, "1000", 4) = 4
[pid 651] close(3) = 0
[pid 651] memfd_create("syzkaller", 0) = 3
[pid 651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 651] munmap(0x7fa88c94a000, 1048576) = 0
[pid 651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 651] ioctl(4, LOOP_CLR_FD) = 0
[pid 651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 651] close(4) = 0
[pid 651] close(3) = 0
[pid 651] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 651] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 651] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 651] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 651] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 651] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 651] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 651] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 651] exit_group(0) = ?
[pid 651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 652
./strace-static-x86_64: Process 652 attached
[pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 652] setpgid(0, 0) = 0
[pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 652] write(3, "1000", 4) = 4
[pid 652] close(3) = 0
[pid 652] memfd_create("syzkaller", 0) = 3
[pid 652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 652] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 652] munmap(0x7fa88c94a000, 1048576) = 0
[pid 652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 652] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 652] ioctl(4, LOOP_CLR_FD) = 0
[pid 652] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 652] close(4) = 0
[pid 652] close(3) = 0
[pid 652] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 652] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 652] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 652] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 652] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 652] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 652] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 652] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 652] exit_group(0) = ?
[pid 652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=652, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 653
./strace-static-x86_64: Process 653 attached
[pid 653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 653] setpgid(0, 0) = 0
[pid 653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 653] write(3, "1000", 4) = 4
[pid 653] close(3) = 0
[pid 653] memfd_create("syzkaller", 0) = 3
[pid 653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 653] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 653] munmap(0x7fa88c94a000, 1048576) = 0
[pid 653] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 653] ioctl(4, LOOP_CLR_FD) = 0
[pid 653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 653] close(4) = 0
[pid 653] close(3) = 0
[pid 653] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 653] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 653] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 653] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 653] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 653] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 653] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 653] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 653] exit_group(0) = ?
[pid 653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 654
./strace-static-x86_64: Process 654 attached
[pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 654] setpgid(0, 0) = 0
[pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 654] write(3, "1000", 4) = 4
[pid 654] close(3) = 0
[pid 654] memfd_create("syzkaller", 0) = 3
[pid 654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 654] munmap(0x7fa88c94a000, 1048576) = 0
[pid 654] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 654] ioctl(4, LOOP_CLR_FD) = 0
[pid 654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 654] close(4) = 0
[pid 654] close(3) = 0
[pid 654] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 654] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 654] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 654] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 654] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 654] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 654] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 654] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 654] exit_group(0) = ?
[pid 654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 655
./strace-static-x86_64: Process 655 attached
[pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 655] setpgid(0, 0) = 0
[pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 655] write(3, "1000", 4) = 4
[pid 655] close(3) = 0
[pid 655] memfd_create("syzkaller", 0) = 3
[pid 655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 655] munmap(0x7fa88c94a000, 1048576) = 0
[pid 655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 655] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 655] ioctl(4, LOOP_CLR_FD) = 0
[pid 655] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 655] close(4) = 0
[pid 655] close(3) = 0
[pid 655] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 655] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 655] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 655] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 655] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 655] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 655] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 655] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 655] exit_group(0) = ?
[pid 655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 656
./strace-static-x86_64: Process 656 attached
[pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 656] setpgid(0, 0) = 0
[pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 656] write(3, "1000", 4) = 4
[pid 656] close(3) = 0
[pid 656] memfd_create("syzkaller", 0) = 3
[pid 656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 656] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 656] munmap(0x7fa88c94a000, 1048576) = 0
[pid 656] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 656] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 656] ioctl(4, LOOP_CLR_FD) = 0
[pid 656] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 656] close(4) = 0
[pid 656] close(3) = 0
[pid 656] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 656] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 656] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 656] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 656] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 656] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 656] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 656] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 656] exit_group(0) = ?
[pid 656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=656, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 657
./strace-static-x86_64: Process 657 attached
[pid 657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 657] setpgid(0, 0) = 0
[pid 657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 657] write(3, "1000", 4) = 4
[pid 657] close(3) = 0
[pid 657] memfd_create("syzkaller", 0) = 3
[pid 657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 657] munmap(0x7fa88c94a000, 1048576) = 0
[pid 657] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 657] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 657] ioctl(4, LOOP_CLR_FD) = 0
[pid 657] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 657] close(4) = 0
[pid 657] close(3) = 0
[pid 657] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 657] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 657] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 657] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 657] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 657] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 657] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 657] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 657] exit_group(0) = ?
[pid 657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 658
./strace-static-x86_64: Process 658 attached
[pid 658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 658] setpgid(0, 0) = 0
[pid 658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 658] write(3, "1000", 4) = 4
[pid 658] close(3) = 0
[pid 658] memfd_create("syzkaller", 0) = 3
[pid 658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 658] munmap(0x7fa88c94a000, 1048576) = 0
[pid 658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 658] ioctl(4, LOOP_CLR_FD) = 0
[pid 658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 658] close(4) = 0
[pid 658] close(3) = 0
[pid 658] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 658] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 658] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 658] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 658] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 658] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 658] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 658] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 658] exit_group(0) = ?
[pid 658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 659
./strace-static-x86_64: Process 659 attached
[pid 659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 659] setpgid(0, 0) = 0
[pid 659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 659] write(3, "1000", 4) = 4
[pid 659] close(3) = 0
[pid 659] memfd_create("syzkaller", 0) = 3
[pid 659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 659] munmap(0x7fa88c94a000, 1048576) = 0
[pid 659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 659] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 659] ioctl(4, LOOP_CLR_FD) = 0
[pid 659] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 659] close(4) = 0
[pid 659] close(3) = 0
[pid 659] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 659] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 659] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 659] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 659] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 659] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 659] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 659] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 659] exit_group(0) = ?
[pid 659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 660
./strace-static-x86_64: Process 660 attached
[pid 660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 660] setpgid(0, 0) = 0
[pid 660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 660] write(3, "1000", 4) = 4
[pid 660] close(3) = 0
[pid 660] memfd_create("syzkaller", 0) = 3
[pid 660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 660] munmap(0x7fa88c94a000, 1048576) = 0
[pid 660] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 660] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 660] ioctl(4, LOOP_CLR_FD) = 0
[pid 660] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 660] close(4) = 0
[pid 660] close(3) = 0
[pid 660] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 660] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 660] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 660] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 660] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 660] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 660] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 660] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 660] exit_group(0) = ?
[pid 660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=660, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 661
./strace-static-x86_64: Process 661 attached
[pid 661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 661] setpgid(0, 0) = 0
[pid 661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 661] write(3, "1000", 4) = 4
[pid 661] close(3) = 0
[pid 661] memfd_create("syzkaller", 0) = 3
[pid 661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 661] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 661] munmap(0x7fa88c94a000, 1048576) = 0
[pid 661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 661] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 661] ioctl(4, LOOP_CLR_FD) = 0
[pid 661] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 661] close(4) = 0
[pid 661] close(3) = 0
[pid 661] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 661] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 661] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 661] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 661] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 661] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 661] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 661] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 661] exit_group(0) = ?
[pid 661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 662
./strace-static-x86_64: Process 662 attached
[pid 662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 662] setpgid(0, 0) = 0
[pid 662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 662] write(3, "1000", 4) = 4
[pid 662] close(3) = 0
[pid 662] memfd_create("syzkaller", 0) = 3
[pid 662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 662] munmap(0x7fa88c94a000, 1048576) = 0
[pid 662] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 662] ioctl(4, LOOP_CLR_FD) = 0
[pid 662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 662] close(4) = 0
[pid 662] close(3) = 0
[pid 662] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 662] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 662] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 662] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 662] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 662] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 662] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 662] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 662] exit_group(0) = ?
[pid 662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 664 attached
, child_tidptr=0x55555595d5d0) = 664
[pid 664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 664] setpgid(0, 0) = 0
[pid 664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 664] write(3, "1000", 4) = 4
[pid 664] close(3) = 0
[pid 664] memfd_create("syzkaller", 0) = 3
[pid 664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 664] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 664] munmap(0x7fa88c94a000, 1048576) = 0
[pid 664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 664] ioctl(4, LOOP_CLR_FD) = 0
[pid 664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 664] close(4) = 0
[pid 664] close(3) = 0
[pid 664] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 664] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 664] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 664] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 664] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 664] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 664] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 664] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 664] exit_group(0) = ?
[pid 664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=664, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 665
./strace-static-x86_64: Process 665 attached
[pid 665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 665] setpgid(0, 0) = 0
[pid 665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 665] write(3, "1000", 4) = 4
[pid 665] close(3) = 0
[pid 665] memfd_create("syzkaller", 0) = 3
[pid 665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 665] munmap(0x7fa88c94a000, 1048576) = 0
[pid 665] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 665] ioctl(4, LOOP_CLR_FD) = 0
[pid 665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 665] close(4) = 0
[pid 665] close(3) = 0
[pid 665] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 665] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 665] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 665] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 665] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 665] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 665] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 665] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 665] exit_group(0) = ?
[pid 665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=665, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 666
./strace-static-x86_64: Process 666 attached
[pid 666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 666] setpgid(0, 0) = 0
[pid 666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 666] write(3, "1000", 4) = 4
[pid 666] close(3) = 0
[pid 666] memfd_create("syzkaller", 0) = 3
[pid 666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 666] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 666] munmap(0x7fa88c94a000, 1048576) = 0
[pid 666] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 666] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 666] ioctl(4, LOOP_CLR_FD) = 0
[pid 666] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 666] close(4) = 0
[pid 666] close(3) = 0
[pid 666] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 666] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 666] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 666] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 666] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 666] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 666] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 666] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 666] exit_group(0) = ?
[pid 666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 667
./strace-static-x86_64: Process 667 attached
[pid 667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 667] setpgid(0, 0) = 0
[pid 667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 667] write(3, "1000", 4) = 4
[pid 667] close(3) = 0
[pid 667] memfd_create("syzkaller", 0) = 3
[pid 667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 667] munmap(0x7fa88c94a000, 1048576) = 0
[pid 667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 667] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 667] ioctl(4, LOOP_CLR_FD) = 0
[pid 667] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 667] close(4) = 0
[pid 667] close(3) = 0
[pid 667] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 667] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 667] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 667] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 667] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 667] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 667] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 667] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 667] exit_group(0) = ?
[pid 667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 668
./strace-static-x86_64: Process 668 attached
[pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 668] setpgid(0, 0) = 0
[pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 668] write(3, "1000", 4) = 4
[pid 668] close(3) = 0
[pid 668] memfd_create("syzkaller", 0) = 3
[pid 668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 668] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 668] munmap(0x7fa88c94a000, 1048576) = 0
[pid 668] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 668] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 668] ioctl(4, LOOP_CLR_FD) = 0
[pid 668] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 668] close(4) = 0
[pid 668] close(3) = 0
[pid 668] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 668] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 668] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 668] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 668] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 668] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 668] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 668] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 668] exit_group(0) = ?
[pid 668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 669
./strace-static-x86_64: Process 669 attached
[pid 669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 669] setpgid(0, 0) = 0
[pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 669] write(3, "1000", 4) = 4
[pid 669] close(3) = 0
[pid 669] memfd_create("syzkaller", 0) = 3
[pid 669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 669] munmap(0x7fa88c94a000, 1048576) = 0
[pid 669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 669] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 669] ioctl(4, LOOP_CLR_FD) = 0
[pid 669] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 669] close(4) = 0
[pid 669] close(3) = 0
[pid 669] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 669] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 669] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 669] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 669] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 669] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 669] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 669] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 669] exit_group(0) = ?
[pid 669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 670
./strace-static-x86_64: Process 670 attached
[pid 670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 670] setpgid(0, 0) = 0
[pid 670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 670] write(3, "1000", 4) = 4
[pid 670] close(3) = 0
[pid 670] memfd_create("syzkaller", 0) = 3
[pid 670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 670] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 670] munmap(0x7fa88c94a000, 1048576) = 0
[pid 670] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 670] ioctl(4, LOOP_CLR_FD) = 0
[pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 670] close(4) = 0
[pid 670] close(3) = 0
[pid 670] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 670] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 670] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 670] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 670] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 670] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 670] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 670] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 670] exit_group(0) = ?
[pid 670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 671
./strace-static-x86_64: Process 671 attached
[pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 671] setpgid(0, 0) = 0
[pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 671] write(3, "1000", 4) = 4
[pid 671] close(3) = 0
[pid 671] memfd_create("syzkaller", 0) = 3
[pid 671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 671] munmap(0x7fa88c94a000, 1048576) = 0
[pid 671] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 671] ioctl(4, LOOP_CLR_FD) = 0
[pid 671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 671] close(4) = 0
[pid 671] close(3) = 0
[pid 671] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 671] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 671] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 671] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 671] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 671] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 671] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 671] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 671] exit_group(0) = ?
[pid 671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 672 attached
, child_tidptr=0x55555595d5d0) = 672
[pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 672] setpgid(0, 0) = 0
[pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 672] write(3, "1000", 4) = 4
[pid 672] close(3) = 0
[pid 672] memfd_create("syzkaller", 0) = 3
[pid 672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 672] munmap(0x7fa88c94a000, 1048576) = 0
[pid 672] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 672] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 672] ioctl(4, LOOP_CLR_FD) = 0
[pid 672] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 672] close(4) = 0
[pid 672] close(3) = 0
[pid 672] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 672] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 672] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 672] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 672] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 672] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 672] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 672] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 672] exit_group(0) = ?
[pid 672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 673
./strace-static-x86_64: Process 673 attached
[pid 673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 673] setpgid(0, 0) = 0
[pid 673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 673] write(3, "1000", 4) = 4
[pid 673] close(3) = 0
[pid 673] memfd_create("syzkaller", 0) = 3
[pid 673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 673] munmap(0x7fa88c94a000, 1048576) = 0
[pid 673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 673] ioctl(4, LOOP_CLR_FD) = 0
[pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 673] close(4) = 0
[pid 673] close(3) = 0
[pid 673] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 673] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 673] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 673] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 673] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 673] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 673] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 673] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 673] exit_group(0) = ?
[pid 673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 674
./strace-static-x86_64: Process 674 attached
[pid 674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 674] setpgid(0, 0) = 0
[pid 674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 674] write(3, "1000", 4) = 4
[pid 674] close(3) = 0
[pid 674] memfd_create("syzkaller", 0) = 3
[pid 674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 674] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 674] munmap(0x7fa88c94a000, 1048576) = 0
[pid 674] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 674] ioctl(4, LOOP_CLR_FD) = 0
[pid 674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 674] close(4) = 0
[pid 674] close(3) = 0
[pid 674] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 674] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 674] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 674] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 674] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 674] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 674] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 674] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 674] exit_group(0) = ?
[pid 674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 675
./strace-static-x86_64: Process 675 attached
[pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 675] setpgid(0, 0) = 0
[pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 675] write(3, "1000", 4) = 4
[pid 675] close(3) = 0
[pid 675] memfd_create("syzkaller", 0) = 3
[pid 675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 675] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 675] munmap(0x7fa88c94a000, 1048576) = 0
[pid 675] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 675] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 675] ioctl(4, LOOP_CLR_FD) = 0
[pid 675] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 675] close(4) = 0
[pid 675] close(3) = 0
[pid 675] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 675] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 675] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 675] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 675] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 675] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 675] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 675] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 675] exit_group(0) = ?
[pid 675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 676
./strace-static-x86_64: Process 676 attached
[pid 676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 676] setpgid(0, 0) = 0
[pid 676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 676] write(3, "1000", 4) = 4
[pid 676] close(3) = 0
[pid 676] memfd_create("syzkaller", 0) = 3
[pid 676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 676] munmap(0x7fa88c94a000, 1048576) = 0
[pid 676] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 676] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 676] ioctl(4, LOOP_CLR_FD) = 0
[pid 676] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 676] close(4) = 0
[pid 676] close(3) = 0
[pid 676] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 676] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 676] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 676] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 676] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 676] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 676] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 676] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 676] exit_group(0) = ?
[pid 676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 677
./strace-static-x86_64: Process 677 attached
[pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 677] setpgid(0, 0) = 0
[pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 677] write(3, "1000", 4) = 4
[pid 677] close(3) = 0
[pid 677] memfd_create("syzkaller", 0) = 3
[pid 677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 677] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 677] munmap(0x7fa88c94a000, 1048576) = 0
[pid 677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 677] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 677] ioctl(4, LOOP_CLR_FD) = 0
[pid 677] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 677] close(4) = 0
[pid 677] close(3) = 0
[pid 677] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 677] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 677] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 677] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 677] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 677] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 677] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 677] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 677] exit_group(0) = ?
[pid 677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 678 attached
<unfinished ...>
[pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid 327] <... clone resumed>, child_tidptr=0x55555595d5d0) = 678
[pid 678] <... prctl resumed>) = 0
[pid 678] setpgid(0, 0) = 0
[pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 678] write(3, "1000", 4) = 4
[pid 678] close(3) = 0
[pid 678] memfd_create("syzkaller", 0) = 3
[pid 678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 678] munmap(0x7fa88c94a000, 1048576) = 0
[pid 678] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 678] ioctl(4, LOOP_CLR_FD) = 0
[pid 678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 678] close(4) = 0
[pid 678] close(3) = 0
[pid 678] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 678] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 678] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 678] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 678] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 678] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 678] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 678] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 678] exit_group(0) = ?
[pid 678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 679
./strace-static-x86_64: Process 679 attached
[pid 679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 679] setpgid(0, 0) = 0
[pid 679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 679] write(3, "1000", 4) = 4
[pid 679] close(3) = 0
[pid 679] memfd_create("syzkaller", 0) = 3
[pid 679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 679] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 679] munmap(0x7fa88c94a000, 1048576) = 0
[pid 679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 679] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 679] ioctl(4, LOOP_CLR_FD) = 0
[pid 679] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 679] close(4) = 0
[pid 679] close(3) = 0
[pid 679] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 679] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 679] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 679] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 679] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 679] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 679] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 679] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 679] exit_group(0) = ?
[pid 679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 680
./strace-static-x86_64: Process 680 attached
[pid 680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 680] setpgid(0, 0) = 0
[pid 680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 680] write(3, "1000", 4) = 4
[pid 680] close(3) = 0
[pid 680] memfd_create("syzkaller", 0) = 3
[pid 680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 680] munmap(0x7fa88c94a000, 1048576) = 0
[pid 680] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 680] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 680] ioctl(4, LOOP_CLR_FD) = 0
[pid 680] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 680] close(4) = 0
[pid 680] close(3) = 0
[pid 680] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 680] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 680] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 680] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 680] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 680] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 680] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 680] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 680] exit_group(0) = ?
[pid 680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 681
./strace-static-x86_64: Process 681 attached
[pid 681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 681] setpgid(0, 0) = 0
[pid 681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 681] write(3, "1000", 4) = 4
[pid 681] close(3) = 0
[pid 681] memfd_create("syzkaller", 0) = 3
[pid 681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 681] munmap(0x7fa88c94a000, 1048576) = 0
[pid 681] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 681] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 681] ioctl(4, LOOP_CLR_FD) = 0
[pid 681] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 681] close(4) = 0
[pid 681] close(3) = 0
[pid 681] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 681] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 681] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 681] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 681] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 681] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 681] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 681] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 681] exit_group(0) = ?
[pid 681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 682 attached
, child_tidptr=0x55555595d5d0) = 682
[pid 682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 682] setpgid(0, 0) = 0
[pid 682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 682] write(3, "1000", 4) = 4
[pid 682] close(3) = 0
[pid 682] memfd_create("syzkaller", 0) = 3
[pid 682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 682] munmap(0x7fa88c94a000, 1048576) = 0
[pid 682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 682] ioctl(4, LOOP_CLR_FD) = 0
[pid 682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 682] close(4) = 0
[pid 682] close(3) = 0
[pid 682] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 682] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 682] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 682] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 682] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 682] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 682] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 682] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 682] exit_group(0) = ?
[pid 682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 683
./strace-static-x86_64: Process 683 attached
[pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 683] setpgid(0, 0) = 0
[pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 683] write(3, "1000", 4) = 4
[pid 683] close(3) = 0
[pid 683] memfd_create("syzkaller", 0) = 3
[pid 683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 683] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 683] munmap(0x7fa88c94a000, 1048576) = 0
[pid 683] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 683] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 683] ioctl(4, LOOP_CLR_FD) = 0
[pid 683] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 683] close(4) = 0
[pid 683] close(3) = 0
[pid 683] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 683] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 683] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 683] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 683] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 683] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 683] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 683] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 683] exit_group(0) = ?
[pid 683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 684 attached
, child_tidptr=0x55555595d5d0) = 684
[pid 684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 684] setpgid(0, 0) = 0
[pid 684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 684] write(3, "1000", 4) = 4
[pid 684] close(3) = 0
[pid 684] memfd_create("syzkaller", 0) = 3
[pid 684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 684] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 684] munmap(0x7fa88c94a000, 1048576) = 0
[pid 684] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 684] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 684] ioctl(4, LOOP_CLR_FD) = 0
[pid 684] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 684] close(4) = 0
[pid 684] close(3) = 0
[pid 684] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 684] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 684] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 684] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 684] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 684] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 684] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 684] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 684] exit_group(0) = ?
[pid 684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=684, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 685 attached
, child_tidptr=0x55555595d5d0) = 685
[pid 685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 685] setpgid(0, 0) = 0
[pid 685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 685] write(3, "1000", 4) = 4
[pid 685] close(3) = 0
[pid 685] memfd_create("syzkaller", 0) = 3
[pid 685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 685] munmap(0x7fa88c94a000, 1048576) = 0
[pid 685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 685] ioctl(4, LOOP_CLR_FD) = 0
[pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 685] close(4) = 0
[pid 685] close(3) = 0
[pid 685] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 685] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 685] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 685] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 685] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 685] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 685] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 685] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 685] exit_group(0) = ?
[pid 685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 686
./strace-static-x86_64: Process 686 attached
[pid 686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 686] setpgid(0, 0) = 0
[pid 686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 686] write(3, "1000", 4) = 4
[pid 686] close(3) = 0
[pid 686] memfd_create("syzkaller", 0) = 3
[pid 686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 686] munmap(0x7fa88c94a000, 1048576) = 0
[pid 686] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 686] ioctl(4, LOOP_CLR_FD) = 0
[pid 686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 686] close(4) = 0
[pid 686] close(3) = 0
[pid 686] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 686] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 686] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 686] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 686] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 686] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 686] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 686] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 686] exit_group(0) = ?
[pid 686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 687
./strace-static-x86_64: Process 687 attached
[pid 687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 687] setpgid(0, 0) = 0
[pid 687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 687] write(3, "1000", 4) = 4
[pid 687] close(3) = 0
[pid 687] memfd_create("syzkaller", 0) = 3
[pid 687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 687] munmap(0x7fa88c94a000, 1048576) = 0
[pid 687] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 687] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 687] ioctl(4, LOOP_CLR_FD) = 0
[pid 687] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 687] close(4) = 0
[pid 687] close(3) = 0
[pid 687] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 687] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 687] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 687] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 687] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 687] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 687] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 687] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 687] exit_group(0) = ?
[pid 687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=687, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 688 attached
, child_tidptr=0x55555595d5d0) = 688
[pid 688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 688] setpgid(0, 0) = 0
[pid 688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 688] write(3, "1000", 4) = 4
[pid 688] close(3) = 0
[pid 688] memfd_create("syzkaller", 0) = 3
[pid 688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 688] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 688] munmap(0x7fa88c94a000, 1048576) = 0
[pid 688] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 688] ioctl(4, LOOP_CLR_FD) = 0
[pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 688] close(4) = 0
[pid 688] close(3) = 0
[pid 688] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 688] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 688] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 688] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 688] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 688] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 688] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 688] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 688] exit_group(0) = ?
[pid 688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=688, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 689
./strace-static-x86_64: Process 689 attached
[pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 689] setpgid(0, 0) = 0
[pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 689] write(3, "1000", 4) = 4
[pid 689] close(3) = 0
[pid 689] memfd_create("syzkaller", 0) = 3
[pid 689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 689] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 689] munmap(0x7fa88c94a000, 1048576) = 0
[pid 689] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 689] ioctl(4, LOOP_CLR_FD) = 0
[pid 689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 689] close(4) = 0
[pid 689] close(3) = 0
[pid 689] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 689] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 689] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 689] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 689] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 689] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 689] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 689] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 689] exit_group(0) = ?
[pid 689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 690
./strace-static-x86_64: Process 690 attached
[pid 690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 690] setpgid(0, 0) = 0
[pid 690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 690] write(3, "1000", 4) = 4
[pid 690] close(3) = 0
[pid 690] memfd_create("syzkaller", 0) = 3
[pid 690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 690] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 690] munmap(0x7fa88c94a000, 1048576) = 0
[pid 690] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 690] ioctl(4, LOOP_CLR_FD) = 0
[pid 690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 690] close(4) = 0
[pid 690] close(3) = 0
[pid 690] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 690] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 690] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 690] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 690] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 690] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 690] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 690] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 690] exit_group(0) = ?
[pid 690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 691
./strace-static-x86_64: Process 691 attached
[pid 691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 691] setpgid(0, 0) = 0
[pid 691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 691] write(3, "1000", 4) = 4
[pid 691] close(3) = 0
[pid 691] memfd_create("syzkaller", 0) = 3
[pid 691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 691] munmap(0x7fa88c94a000, 1048576) = 0
[pid 691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 691] ioctl(4, LOOP_CLR_FD) = 0
[pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 691] close(4) = 0
[pid 691] close(3) = 0
[pid 691] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 691] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 691] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 691] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 691] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 691] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 691] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 691] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 691] exit_group(0) = ?
[pid 691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=691, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 692
./strace-static-x86_64: Process 692 attached
[pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 692] setpgid(0, 0) = 0
[pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 692] write(3, "1000", 4) = 4
[pid 692] close(3) = 0
[pid 692] memfd_create("syzkaller", 0) = 3
[pid 692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 692] munmap(0x7fa88c94a000, 1048576) = 0
[pid 692] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 692] ioctl(4, LOOP_CLR_FD) = 0
[pid 692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 692] close(4) = 0
[pid 692] close(3) = 0
[pid 692] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 692] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 692] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 692] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 692] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 692] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 692] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 692] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 692] exit_group(0) = ?
[pid 692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 693
./strace-static-x86_64: Process 693 attached
[pid 693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 693] setpgid(0, 0) = 0
[pid 693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 693] write(3, "1000", 4) = 4
[pid 693] close(3) = 0
[pid 693] memfd_create("syzkaller", 0) = 3
[pid 693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 693] munmap(0x7fa88c94a000, 1048576) = 0
[pid 693] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 693] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 693] ioctl(4, LOOP_CLR_FD) = 0
[pid 693] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 693] close(4) = 0
[pid 693] close(3) = 0
[pid 693] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 693] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 693] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 693] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 693] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 693] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 693] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 693] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 693] exit_group(0) = ?
[pid 693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=693, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 694
./strace-static-x86_64: Process 694 attached
[pid 694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 694] setpgid(0, 0) = 0
[pid 694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 694] write(3, "1000", 4) = 4
[pid 694] close(3) = 0
[pid 694] memfd_create("syzkaller", 0) = 3
[pid 694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 694] munmap(0x7fa88c94a000, 1048576) = 0
[pid 694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 694] ioctl(4, LOOP_CLR_FD) = 0
[pid 694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 694] close(4) = 0
[pid 694] close(3) = 0
[pid 694] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 694] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 694] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 694] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 694] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 694] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 694] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 694] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 694] exit_group(0) = ?
[pid 694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 695
./strace-static-x86_64: Process 695 attached
[pid 695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 695] setpgid(0, 0) = 0
[pid 695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 695] write(3, "1000", 4) = 4
[pid 695] close(3) = 0
[pid 695] memfd_create("syzkaller", 0) = 3
[pid 695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 695] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 695] munmap(0x7fa88c94a000, 1048576) = 0
[pid 695] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 695] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 695] ioctl(4, LOOP_CLR_FD) = 0
[pid 695] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 695] close(4) = 0
[pid 695] close(3) = 0
[pid 695] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 695] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 695] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 695] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 695] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 695] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 695] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 695] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 695] exit_group(0) = ?
[pid 695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 696
./strace-static-x86_64: Process 696 attached
[pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 696] setpgid(0, 0) = 0
[pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 696] write(3, "1000", 4) = 4
[pid 696] close(3) = 0
[pid 696] memfd_create("syzkaller", 0) = 3
[pid 696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 696] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 696] munmap(0x7fa88c94a000, 1048576) = 0
[pid 696] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 696] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 696] ioctl(4, LOOP_CLR_FD) = 0
[pid 696] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 696] close(4) = 0
[pid 696] close(3) = 0
[pid 696] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 696] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 696] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 696] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 696] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 696] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 696] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 696] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 696] exit_group(0) = ?
[pid 696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 697
./strace-static-x86_64: Process 697 attached
[pid 697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 697] setpgid(0, 0) = 0
[pid 697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 697] write(3, "1000", 4) = 4
[pid 697] close(3) = 0
[pid 697] memfd_create("syzkaller", 0) = 3
[pid 697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 697] munmap(0x7fa88c94a000, 1048576) = 0
[pid 697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 697] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 697] ioctl(4, LOOP_CLR_FD) = 0
[pid 697] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 697] close(4) = 0
[pid 697] close(3) = 0
[pid 697] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 697] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 697] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 697] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 697] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 697] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 697] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 697] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 697] exit_group(0) = ?
[pid 697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 698
./strace-static-x86_64: Process 698 attached
[pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 698] setpgid(0, 0) = 0
[pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 698] write(3, "1000", 4) = 4
[pid 698] close(3) = 0
[pid 698] memfd_create("syzkaller", 0) = 3
[pid 698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 698] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 698] munmap(0x7fa88c94a000, 1048576) = 0
[pid 698] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 698] ioctl(4, LOOP_CLR_FD) = 0
[pid 698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 698] close(4) = 0
[pid 698] close(3) = 0
[pid 698] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 698] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 698] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 698] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 698] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 698] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 698] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 698] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 698] exit_group(0) = ?
[pid 698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 699
./strace-static-x86_64: Process 699 attached
[pid 699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 699] setpgid(0, 0) = 0
[pid 699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 699] write(3, "1000", 4) = 4
[pid 699] close(3) = 0
[pid 699] memfd_create("syzkaller", 0) = 3
[pid 699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 699] munmap(0x7fa88c94a000, 1048576) = 0
[pid 699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 699] ioctl(4, LOOP_CLR_FD) = 0
[pid 699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 699] close(4) = 0
[pid 699] close(3) = 0
[pid 699] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 699] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 699] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 699] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 699] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 699] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 699] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 699] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 699] exit_group(0) = ?
[pid 699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 700
./strace-static-x86_64: Process 700 attached
[pid 700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 700] setpgid(0, 0) = 0
[pid 700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 700] write(3, "1000", 4) = 4
[pid 700] close(3) = 0
[pid 700] memfd_create("syzkaller", 0) = 3
[pid 700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 700] munmap(0x7fa88c94a000, 1048576) = 0
[pid 700] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 700] ioctl(4, LOOP_CLR_FD) = 0
[pid 700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 700] close(4) = 0
[pid 700] close(3) = 0
[pid 700] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 700] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 700] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 700] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 700] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 700] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 700] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 700] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 700] exit_group(0) = ?
[pid 700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 701
./strace-static-x86_64: Process 701 attached
[pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 701] setpgid(0, 0) = 0
[pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 701] write(3, "1000", 4) = 4
[pid 701] close(3) = 0
[pid 701] memfd_create("syzkaller", 0) = 3
[pid 701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 701] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 701] munmap(0x7fa88c94a000, 1048576) = 0
[pid 701] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 701] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 701] ioctl(4, LOOP_CLR_FD) = 0
[pid 701] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 701] close(4) = 0
[pid 701] close(3) = 0
[pid 701] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 701] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 701] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 701] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 701] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 701] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 701] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 701] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 701] exit_group(0) = ?
[pid 701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 702 attached
, child_tidptr=0x55555595d5d0) = 702
[pid 702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 702] setpgid(0, 0) = 0
[pid 702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 702] write(3, "1000", 4) = 4
[pid 702] close(3) = 0
[pid 702] memfd_create("syzkaller", 0) = 3
[pid 702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 702] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 702] munmap(0x7fa88c94a000, 1048576) = 0
[pid 702] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 702] ioctl(4, LOOP_CLR_FD) = 0
[pid 702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 702] close(4) = 0
[pid 702] close(3) = 0
[pid 702] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 702] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 702] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 702] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 702] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 702] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 702] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 702] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 702] exit_group(0) = ?
[pid 702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=702, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 703 attached
, child_tidptr=0x55555595d5d0) = 703
[pid 703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 703] setpgid(0, 0) = 0
[pid 703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 703] write(3, "1000", 4) = 4
[pid 703] close(3) = 0
[pid 703] memfd_create("syzkaller", 0) = 3
[pid 703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 703] munmap(0x7fa88c94a000, 1048576) = 0
[pid 703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 703] ioctl(4, LOOP_CLR_FD) = 0
[pid 703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 703] close(4) = 0
[pid 703] close(3) = 0
[pid 703] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 703] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 703] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 703] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 703] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 703] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 703] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 703] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 703] exit_group(0) = ?
[pid 703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 704
./strace-static-x86_64: Process 704 attached
[pid 704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 704] setpgid(0, 0) = 0
[pid 704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 704] write(3, "1000", 4) = 4
[pid 704] close(3) = 0
[pid 704] memfd_create("syzkaller", 0) = 3
[pid 704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 704] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 704] munmap(0x7fa88c94a000, 1048576) = 0
[pid 704] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 704] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 704] ioctl(4, LOOP_CLR_FD) = 0
[pid 704] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 704] close(4) = 0
[pid 704] close(3) = 0
[pid 704] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 704] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 704] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 704] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 704] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 704] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 704] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 704] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 704] exit_group(0) = ?
[pid 704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 705 attached
, child_tidptr=0x55555595d5d0) = 705
[pid 705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 705] setpgid(0, 0) = 0
[pid 705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 705] write(3, "1000", 4) = 4
[pid 705] close(3) = 0
[pid 705] memfd_create("syzkaller", 0) = 3
[pid 705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 705] munmap(0x7fa88c94a000, 1048576) = 0
[pid 705] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 705] ioctl(4, LOOP_CLR_FD) = 0
[pid 705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 705] close(4) = 0
[pid 705] close(3) = 0
[pid 705] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 705] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 705] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 705] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 705] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 705] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 705] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 705] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 705] exit_group(0) = ?
[pid 705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 706
./strace-static-x86_64: Process 706 attached
[pid 706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 706] setpgid(0, 0) = 0
[pid 706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 706] write(3, "1000", 4) = 4
[pid 706] close(3) = 0
[pid 706] memfd_create("syzkaller", 0) = 3
[pid 706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 706] munmap(0x7fa88c94a000, 1048576) = 0
[pid 706] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 706] ioctl(4, LOOP_CLR_FD) = 0
[pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 706] close(4) = 0
[pid 706] close(3) = 0
[pid 706] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 706] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 706] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 706] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 706] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 706] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 706] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 706] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 706] exit_group(0) = ?
[pid 706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 707
./strace-static-x86_64: Process 707 attached
[pid 707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 707] setpgid(0, 0) = 0
[pid 707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 707] write(3, "1000", 4) = 4
[pid 707] close(3) = 0
[pid 707] memfd_create("syzkaller", 0) = 3
[pid 707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 707] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 707] munmap(0x7fa88c94a000, 1048576) = 0
[pid 707] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 707] ioctl(4, LOOP_CLR_FD) = 0
[pid 707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 707] close(4) = 0
[pid 707] close(3) = 0
[pid 707] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 707] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 707] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 707] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 707] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 707] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 707] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 707] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 707] exit_group(0) = ?
[pid 707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 708
./strace-static-x86_64: Process 708 attached
[pid 708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 708] setpgid(0, 0) = 0
[pid 708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 708] write(3, "1000", 4) = 4
[pid 708] close(3) = 0
[pid 708] memfd_create("syzkaller", 0) = 3
[pid 708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 708] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 708] munmap(0x7fa88c94a000, 1048576) = 0
[pid 708] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 708] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 708] ioctl(4, LOOP_CLR_FD) = 0
[pid 708] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 708] close(4) = 0
[pid 708] close(3) = 0
[pid 708] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 708] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 708] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 708] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 708] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 708] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 708] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 708] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 708] exit_group(0) = ?
[pid 708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 709 attached
, child_tidptr=0x55555595d5d0) = 709
[pid 709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 709] setpgid(0, 0) = 0
[pid 709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 709] write(3, "1000", 4) = 4
[pid 709] close(3) = 0
[pid 709] memfd_create("syzkaller", 0) = 3
[pid 709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 709] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 709] munmap(0x7fa88c94a000, 1048576) = 0
[pid 709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 709] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 709] ioctl(4, LOOP_CLR_FD) = 0
[pid 709] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 709] close(4) = 0
[pid 709] close(3) = 0
[pid 709] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 709] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 709] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 709] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 709] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 709] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 709] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 709] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 709] exit_group(0) = ?
[pid 709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 710
./strace-static-x86_64: Process 710 attached
[pid 710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 710] setpgid(0, 0) = 0
[pid 710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 710] write(3, "1000", 4) = 4
[pid 710] close(3) = 0
[pid 710] memfd_create("syzkaller", 0) = 3
[pid 710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 710] munmap(0x7fa88c94a000, 1048576) = 0
[pid 710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 710] ioctl(4, LOOP_CLR_FD) = 0
[pid 710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 710] close(4) = 0
[pid 710] close(3) = 0
[pid 710] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 710] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 710] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 710] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 710] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 710] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 710] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 710] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 710] exit_group(0) = ?
[pid 710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 711 attached
, child_tidptr=0x55555595d5d0) = 711
[pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 711] setpgid(0, 0) = 0
[pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 711] write(3, "1000", 4) = 4
[pid 711] close(3) = 0
[pid 711] memfd_create("syzkaller", 0) = 3
[pid 711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 711] munmap(0x7fa88c94a000, 1048576) = 0
[pid 711] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 711] ioctl(4, LOOP_CLR_FD) = 0
[pid 711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 711] close(4) = 0
[pid 711] close(3) = 0
[pid 711] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 711] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 711] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 711] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 711] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 711] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 711] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 711] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 711] exit_group(0) = ?
[pid 711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 712
./strace-static-x86_64: Process 712 attached
[pid 712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 712] setpgid(0, 0) = 0
[pid 712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 712] write(3, "1000", 4) = 4
[pid 712] close(3) = 0
[pid 712] memfd_create("syzkaller", 0) = 3
[pid 712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 712] munmap(0x7fa88c94a000, 1048576) = 0
[pid 712] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 712] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 712] ioctl(4, LOOP_CLR_FD) = 0
[pid 712] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 712] close(4) = 0
[pid 712] close(3) = 0
[pid 712] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 712] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 712] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 712] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 712] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 712] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 712] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 712] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 712] exit_group(0) = ?
[pid 712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 713 attached
, child_tidptr=0x55555595d5d0) = 713
[pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 713] setpgid(0, 0) = 0
[pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 713] write(3, "1000", 4) = 4
[pid 713] close(3) = 0
[pid 713] memfd_create("syzkaller", 0) = 3
[pid 713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 713] munmap(0x7fa88c94a000, 1048576) = 0
[pid 713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 713] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 713] ioctl(4, LOOP_CLR_FD) = 0
[pid 713] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 713] close(4) = 0
[pid 713] close(3) = 0
[pid 713] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 713] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 713] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 713] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 713] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 713] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 713] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 713] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 713] exit_group(0) = ?
[pid 713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 714 attached
, child_tidptr=0x55555595d5d0) = 714
[pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 714] setpgid(0, 0) = 0
[pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 714] write(3, "1000", 4) = 4
[pid 714] close(3) = 0
[pid 714] memfd_create("syzkaller", 0) = 3
[pid 714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 714] munmap(0x7fa88c94a000, 1048576) = 0
[pid 714] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 714] ioctl(4, LOOP_CLR_FD) = 0
[pid 714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 714] close(4) = 0
[pid 714] close(3) = 0
[pid 714] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 714] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 714] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 714] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 714] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 714] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 714] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 714] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 714] exit_group(0) = ?
[pid 714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 715 attached
, child_tidptr=0x55555595d5d0) = 715
[pid 715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 715] setpgid(0, 0) = 0
[pid 715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 715] write(3, "1000", 4) = 4
[pid 715] close(3) = 0
[pid 715] memfd_create("syzkaller", 0) = 3
[pid 715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 715] munmap(0x7fa88c94a000, 1048576) = 0
[pid 715] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 715] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 715] ioctl(4, LOOP_CLR_FD) = 0
[pid 715] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 715] close(4) = 0
[pid 715] close(3) = 0
[pid 715] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 715] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 715] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 715] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 715] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 715] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 715] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 715] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 715] exit_group(0) = ?
[pid 715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=715, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 716
./strace-static-x86_64: Process 716 attached
[pid 716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 716] setpgid(0, 0) = 0
[pid 716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 716] write(3, "1000", 4) = 4
[pid 716] close(3) = 0
[pid 716] memfd_create("syzkaller", 0) = 3
[pid 716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 716] munmap(0x7fa88c94a000, 1048576) = 0
[pid 716] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 716] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 716] ioctl(4, LOOP_CLR_FD) = 0
[pid 716] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 716] close(4) = 0
[pid 716] close(3) = 0
[pid 716] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 716] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 716] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 716] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 716] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 716] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 716] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 716] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 716] exit_group(0) = ?
[pid 716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 718 attached
, child_tidptr=0x55555595d5d0) = 718
[pid 718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 718] setpgid(0, 0) = 0
[pid 718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 718] write(3, "1000", 4) = 4
[pid 718] close(3) = 0
[pid 718] memfd_create("syzkaller", 0) = 3
[pid 718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 718] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 718] munmap(0x7fa88c94a000, 1048576) = 0
[pid 718] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 718] ioctl(4, LOOP_CLR_FD) = 0
[pid 718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 718] close(4) = 0
[pid 718] close(3) = 0
[pid 718] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 718] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 718] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 718] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 718] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 718] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 718] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 718] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 718] exit_group(0) = ?
[pid 718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 719
./strace-static-x86_64: Process 719 attached
[pid 719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 719] setpgid(0, 0) = 0
[pid 719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 719] write(3, "1000", 4) = 4
[pid 719] close(3) = 0
[pid 719] memfd_create("syzkaller", 0) = 3
[pid 719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 719] munmap(0x7fa88c94a000, 1048576) = 0
[pid 719] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 719] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 719] ioctl(4, LOOP_CLR_FD) = 0
[pid 719] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 719] close(4) = 0
[pid 719] close(3) = 0
[pid 719] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 719] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 719] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 719] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 719] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 719] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 719] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 719] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 719] exit_group(0) = ?
[pid 719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 720
./strace-static-x86_64: Process 720 attached
[pid 720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 720] setpgid(0, 0) = 0
[pid 720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 720] write(3, "1000", 4) = 4
[pid 720] close(3) = 0
[pid 720] memfd_create("syzkaller", 0) = 3
[pid 720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 720] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 720] munmap(0x7fa88c94a000, 1048576) = 0
[pid 720] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 720] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 720] ioctl(4, LOOP_CLR_FD) = 0
[pid 720] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 720] close(4) = 0
[pid 720] close(3) = 0
[pid 720] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 720] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 720] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 720] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 720] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 720] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 720] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 720] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 720] exit_group(0) = ?
[pid 720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=720, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 721
./strace-static-x86_64: Process 721 attached
[pid 721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 721] setpgid(0, 0) = 0
[pid 721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 721] write(3, "1000", 4) = 4
[pid 721] close(3) = 0
[pid 721] memfd_create("syzkaller", 0) = 3
[pid 721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 721] munmap(0x7fa88c94a000, 1048576) = 0
[pid 721] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 721] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 721] ioctl(4, LOOP_CLR_FD) = 0
[pid 721] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 721] close(4) = 0
[pid 721] close(3) = 0
[pid 721] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 721] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 721] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 721] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 721] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 721] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 721] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 721] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 721] exit_group(0) = ?
[pid 721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 722
./strace-static-x86_64: Process 722 attached
[pid 722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 722] setpgid(0, 0) = 0
[pid 722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 722] write(3, "1000", 4) = 4
[pid 722] close(3) = 0
[pid 722] memfd_create("syzkaller", 0) = 3
[pid 722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 722] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 722] munmap(0x7fa88c94a000, 1048576) = 0
[pid 722] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 722] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 722] ioctl(4, LOOP_CLR_FD) = 0
[pid 722] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 722] close(4) = 0
[pid 722] close(3) = 0
[pid 722] chdir("./file0") = -1 ENOENT (No such file or directory)
[pid 722] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = -1 EISDIR (Is a directory)
[pid 722] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = -1 ENOTDIR (Not a directory)
[pid 722] open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = -1 EISDIR (Is a directory)
[pid 722] mmap(0x20000000, 6291456, PROT_READ|PROT_WRITE|PROT_EXEC|PROT_SEM|0x47ffff0, MAP_SHARED|MAP_FIXED, -1, 0) = -1 EBADF (Bad file descriptor)
[pid 722] bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=0, data_size_out=0, data_in=NULL, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=37, ctx_in=NULL, ctx_out=0x20000440, flags=0, cpu=0}}, 72) = -1 EBADF (Bad file descriptor)
[pid 722] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=6, insns=0x20000480, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 128) = -1 EFAULT (Bad address)
[pid 722] unlink("./file0") = -1 ENOENT (No such file or directory)
[pid 722] exit_group(0) = ?
[pid 722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555595d5d0) = 723
./strace-static-x86_64: Process 723 attached
[pid 723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 723] setpgid(0, 0) = 0
[pid 723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 723] write(3, "1000", 4) = 4
[pid 723] close(3) = 0
[pid 723] memfd_create("syzkaller", 0) = 3
[pid 723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa88c94a000
[pid 723] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 723] munmap(0x7fa88c94a000, 1048576) = 0
[pid 723] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 723] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy)
[pid 723] ioctl(4, LOOP_CLR_FD) = 0