./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1466203310

<...>
Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts.
execve("./syz-executor1466203310", ["./syz-executor1466203310"], 0x7ffda8ac4640 /* 10 vars */) = 0
brk(NULL)                               = 0x55555cad9000
brk(0x55555cad9d00)                     = 0x55555cad9d00
arch_prctl(ARCH_SET_FS, 0x55555cad9380) = 0
set_tid_address(0x55555cad9650)         = 5837
set_robust_list(0x55555cad9660, 24)     = 0
rseq(0x55555cad9ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1466203310", 4096) = 28
getrandom("\x58\x89\x77\x19\x0b\xf4\x6a\xc8", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555cad9d00
brk(0x55555cafad00)                     = 0x55555cafad00
brk(0x55555cafb000)                     = 0x55555cafb000
mprotect(0x7f84795d3000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
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./strace-static-x86_64: Process 5839 attached
 <unfinished ...>
[pid  5839] set_robust_list(0x55555cad9660, 24 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x55555cad9650) = 5839
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5839] setpgid(0, 0)               = 0
[pid  5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1000", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] write(1, "executing program\n", 18executing program
) = 18
[pid  5839] memfd_create("syzkaller", 0) = 3
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5839] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5839] munmap(0x7f8471000000, 138412032) = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5839] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5839] close(3)                    = 0
[pid  5839] close(4)                    = 0
[pid  5839] mkdir("./file3", 0777)      = 0
[   90.444073][ T5839] loop0: detected capacity change from 0 to 32768
[   90.472950][ T5839] =======================================================
[   90.472950][ T5839] WARNING: The mand mount option has been deprecated and
[   90.472950][ T5839]          and is ignored by this kernel. Remove the mand
[pid  5839] mount("/dev/loop0", "./file3", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NOATIME|MS_NODIRATIME, "acl,heartbeat=none,heartbeat=none,coherency=full,coherency=full,coherency=buffered,errors=continue,u"...) = 0
[pid  5839] openat(AT_FDCWD, "./file3", O_RDONLY|O_DIRECTORY) = 3
[pid  5839] chdir("./file3")            = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5839] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[   90.472950][ T5839]          option from the mount to silence this warning.
[   90.472950][ T5839] =======================================================
[   90.531869][ T5839] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[   90.567461][ T5839] 
[   90.569822][ T5839] ======================================================
[   90.576835][ T5839] WARNING: possible circular locking dependency detected
[   90.583864][ T5839] 6.15.0-next-20250530-syzkaller #0 Not tainted
[   90.590111][ T5839] ------------------------------------------------------
[   90.597131][ T5839] syz-executor146/5839 is trying to acquire lock:
[   90.603538][ T5839] ffff88807ea186f8 (&oi->ip_xattr_sem){++++}-{4:4}, at: ocfs2_init_acl+0x2f9/0x720
[   90.612880][ T5839] 
[   90.612880][ T5839] but task is already holding lock:
[   90.620243][ T5839] ffff888079c3e950 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1f87/0x21c0
[   90.629490][ T5839] 
[   90.629490][ T5839] which lock already depends on the new lock.
[   90.629490][ T5839] 
[   90.639890][ T5839] 
[   90.639890][ T5839] the existing dependency chain (in reverse order) is:
[   90.648900][ T5839] 
[   90.648900][ T5839] -> #4 (jbd2_handle){.+.+}-{0:0}:
[   90.656201][ T5839]        lock_acquire+0x120/0x360
[   90.661233][ T5839]        start_this_handle+0x1fa7/0x21c0
[   90.666869][ T5839]        jbd2__journal_start+0x2c1/0x5b0
[   90.672510][ T5839]        jbd2_journal_start+0x2a/0x40
[   90.677897][ T5839]        ocfs2_start_trans+0x376/0x6d0
[   90.683402][ T5839]        ocfs2_reserve_suballoc_bits+0x711/0x4640
[   90.689844][ T5839]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   90.696712][ T5839]        ocfs2_init_xattr_set_ctxt+0x307/0x700
[   90.702887][ T5839]        ocfs2_xattr_set+0xb70/0x11f0
[   90.708282][ T5839]        ocfs2_set_acl+0x701/0x7b0
[   90.713406][ T5839]        ocfs2_iop_set_acl+0x1aa/0x2a0
[   90.718874][ T5839]        vfs_set_acl+0x887/0xb00
[   90.723812][ T5839]        do_set_acl+0xf6/0x190
[   90.728576][ T5839]        filename_setxattr+0x2e0/0x600
[   90.734044][ T5839]        path_setxattrat+0x364/0x3a0
[   90.739345][ T5839]        __x64_sys_setxattr+0xbc/0xe0
[   90.744726][ T5839]        do_syscall_64+0xfa/0x3b0
[   90.749765][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.756186][ T5839] 
[   90.756186][ T5839] -> #3 (&journal->j_trans_barrier){.+.+}-{4:4}:
[   90.764713][ T5839]        lock_acquire+0x120/0x360
[   90.769750][ T5839]        down_read+0x46/0x2e0
[   90.774456][ T5839]        ocfs2_start_trans+0x36a/0x6d0
[   90.779930][ T5839]        ocfs2_reserve_suballoc_bits+0x711/0x4640
[   90.786362][ T5839]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   90.793251][ T5839]        ocfs2_init_xattr_set_ctxt+0x307/0x700
[   90.799430][ T5839]        ocfs2_xattr_set+0xb70/0x11f0
[   90.804817][ T5839]        ocfs2_set_acl+0x701/0x7b0
[   90.809939][ T5839]        ocfs2_iop_set_acl+0x1aa/0x2a0
[   90.815448][ T5839]        vfs_set_acl+0x887/0xb00
[   90.820388][ T5839]        do_set_acl+0xf6/0x190
[   90.825155][ T5839]        filename_setxattr+0x2e0/0x600
[   90.830623][ T5839]        path_setxattrat+0x364/0x3a0
[   90.835918][ T5839]        __x64_sys_setxattr+0xbc/0xe0
[   90.841297][ T5839]        do_syscall_64+0xfa/0x3b0
[   90.846323][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.852741][ T5839] 
[   90.852741][ T5839] -> #2 (sb_internal#2){.+.+}-{0:0}:
[   90.860235][ T5839]        lock_acquire+0x120/0x360
[   90.865272][ T5839]        ocfs2_start_trans+0x26b/0x6d0
[   90.870740][ T5839]        ocfs2_xattr_set+0xd69/0x11f0
[   90.876216][ T5839]        ocfs2_set_acl+0x701/0x7b0
[   90.881339][ T5839]        ocfs2_iop_set_acl+0x1aa/0x2a0
[   90.886804][ T5839]        vfs_set_acl+0x887/0xb00
[   90.891759][ T5839]        do_set_acl+0xf6/0x190
[   90.896535][ T5839]        filename_setxattr+0x2e0/0x600
[   90.902013][ T5839]        path_setxattrat+0x364/0x3a0
[   90.907333][ T5839]        __x64_sys_setxattr+0xbc/0xe0
[   90.912805][ T5839]        do_syscall_64+0xfa/0x3b0
[   90.917834][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.924251][ T5839] 
[   90.924251][ T5839] -> #1 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}:
[   90.934785][ T5839]        lock_acquire+0x120/0x360
[   90.939822][ T5839]        down_write+0x96/0x1f0
[   90.944624][ T5839]        ocfs2_reserve_suballoc_bits+0x15e/0x4640
[   90.951051][ T5839]        ocfs2_reserve_new_metadata_blocks+0x403/0x940
[   90.957912][ T5839]        ocfs2_init_xattr_set_ctxt+0x307/0x700
[   90.964108][ T5839]        ocfs2_xattr_set+0xb70/0x11f0
[   90.969582][ T5839]        ocfs2_set_acl+0x701/0x7b0
[   90.974794][ T5839]        ocfs2_iop_set_acl+0x1aa/0x2a0
[   90.980269][ T5839]        vfs_set_acl+0x887/0xb00
[   90.985231][ T5839]        do_set_acl+0xf6/0x190
[   90.990001][ T5839]        filename_setxattr+0x2e0/0x600
[   90.995478][ T5839]        path_setxattrat+0x364/0x3a0
[   91.000774][ T5839]        __x64_sys_setxattr+0xbc/0xe0
[   91.006152][ T5839]        do_syscall_64+0xfa/0x3b0
[   91.011180][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.017600][ T5839] 
[   91.017600][ T5839] -> #0 (&oi->ip_xattr_sem){++++}-{4:4}:
[   91.025434][ T5839]        validate_chain+0xb9b/0x2140
[   91.030722][ T5839]        __lock_acquire+0xab9/0xd20
[   91.036018][ T5839]        lock_acquire+0x120/0x360
[   91.041058][ T5839]        down_read+0x46/0x2e0
[   91.045738][ T5839]        ocfs2_init_acl+0x2f9/0x720
[   91.050949][ T5839]        ocfs2_mknod+0x1321/0x2050
[   91.056105][ T5839]        ocfs2_create+0x1a5/0x440
[   91.061134][ T5839]        path_openat+0x14f1/0x3830
[   91.066250][ T5839]        do_filp_open+0x1fa/0x410
[   91.071278][ T5839]        do_sys_openat2+0x121/0x1c0
[   91.076536][ T5839]        __x64_sys_open+0x11e/0x150
[   91.081744][ T5839]        do_syscall_64+0xfa/0x3b0
[   91.086948][ T5839]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.093541][ T5839] 
[   91.093541][ T5839] other info that might help us debug this:
[   91.093541][ T5839] 
[   91.103769][ T5839] Chain exists of:
[   91.103769][ T5839]   &oi->ip_xattr_sem --> &journal->j_trans_barrier --> jbd2_handle
[   91.103769][ T5839] 
[   91.117525][ T5839]  Possible unsafe locking scenario:
[   91.117525][ T5839] 
[   91.125002][ T5839]        CPU0                    CPU1
[   91.130372][ T5839]        ----                    ----
[   91.135734][ T5839]   rlock(jbd2_handle);
[   91.139896][ T5839]                                lock(&journal->j_trans_barrier);
[   91.147712][ T5839]                                lock(jbd2_handle);
[   91.154307][ T5839]   rlock(&oi->ip_xattr_sem);
[   91.159002][ T5839] 
[   91.159002][ T5839]  *** DEADLOCK ***
[   91.159002][ T5839] 
[   91.167157][ T5839] 8 locks held by syz-executor146/5839:
[   91.172701][ T5839]  #0: ffff888079c3c428 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[   91.181873][ T5839]  #1: ffff88807ea189c0 (&type->i_mutex_dir_key#6){+.+.}-{4:4}, at: path_openat+0x8da/0x3830
[   91.192083][ T5839]  #2: ffff88807ea209c0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640
[   91.205802][ T5839]  #3: ffff88807ea1ed80 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{4:4}, at: ocfs2_reserve_suballoc_bits+0x15e/0x4640
[   91.219490][ T5839]  #4: ffff88807ea22640 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#6){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x125/0x24e0
[   91.233436][ T5839]  #5: ffff888079c3c618 (sb_internal#2){.+.+}-{0:0}, at: ocfs2_mknod+0xe93/0x2050
[   91.242689][ T5839]  #6: ffff8880306ab0e8 (&journal->j_trans_barrier){.+.+}-{4:4}, at: ocfs2_start_trans+0x36a/0x6d0
[   91.253415][ T5839]  #7: ffff888079c3e950 (jbd2_handle){.+.+}-{0:0}, at: start_this_handle+0x1f87/0x21c0
[   91.263187][ T5839] 
[   91.263187][ T5839] stack backtrace:
[   91.269109][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: syz-executor146 Not tainted 6.15.0-next-20250530-syzkaller #0 PREEMPT(full) 
[   91.269130][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   91.269147][ T5839] Call Trace:
[   91.269156][ T5839]  <TASK>
[   91.269164][ T5839]  dump_stack_lvl+0x189/0x250
[   91.269185][ T5839]  ? __pfx_dump_stack_lvl+0x10/0x10
[   91.269200][ T5839]  ? __pfx__printk+0x10/0x10
[   91.269216][ T5839]  ? stack_trace_save+0x9c/0xe0
[   91.269240][ T5839]  print_circular_bug+0x2ee/0x310
[   91.269261][ T5839]  check_noncircular+0x134/0x160
[   91.269281][ T5839]  validate_chain+0xb9b/0x2140
[   91.269307][ T5839]  __lock_acquire+0xab9/0xd20
[   91.269334][ T5839]  ? ocfs2_init_acl+0x2f9/0x720
[   91.269356][ T5839]  lock_acquire+0x120/0x360
[   91.269379][ T5839]  ? ocfs2_init_acl+0x2f9/0x720
[   91.269405][ T5839]  ? __pfx__raw_spin_lock_irq+0x10/0x10
[   91.269430][ T5839]  down_read+0x46/0x2e0
[   91.269445][ T5839]  ? ocfs2_init_acl+0x2f9/0x720
[   91.269469][ T5839]  ocfs2_init_acl+0x2f9/0x720
[   91.269493][ T5839]  ? ocfs2_mknod_locked+0x148/0x250
[   91.269517][ T5839]  ? __pfx_ocfs2_init_acl+0x10/0x10
[   91.269539][ T5839]  ? dquot_alloc_inode+0x216/0xa50
[   91.269563][ T5839]  ? ocfs2_block_signals+0x94/0xe0
[   91.269581][ T5839]  ? __pfx_ocfs2_block_signals+0x10/0x10
[   91.269602][ T5839]  ? ocfs2_init_security_get+0x139/0x1a0
[   91.269619][ T5839]  ocfs2_mknod+0x1321/0x2050
[   91.269646][ T5839]  ? __pfx_ocfs2_mknod+0x10/0x10
[   91.269666][ T5839]  ? __pfx_ocfs2_find_entry+0x10/0x10
[   91.269693][ T5839]  ? __lock_acquire+0xab9/0xd20
[   91.269726][ T5839]  ? look_up_lock_class+0x74/0x170
[   91.269751][ T5839]  ? register_lock_class+0x51/0x320
[   91.269777][ T5839]  ? __lock_acquire+0xab9/0xd20
[   91.269803][ T5839]  ? __lock_acquire+0xab9/0xd20
[   91.269830][ T5839]  ? do_raw_spin_lock+0x121/0x290
[   91.269853][ T5839]  ? do_raw_spin_unlock+0x122/0x240
[   91.269875][ T5839]  ? rcu_is_watching+0x15/0xb0
[   91.269891][ T5839]  ? ocfs2_lookup+0x4a0/0x990
[   91.269913][ T5839]  ocfs2_create+0x1a5/0x440
[   91.269932][ T5839]  ? __pfx_ocfs2_lookup+0x10/0x10
[   91.269953][ T5839]  ? from_kgid+0x1b0/0x650
[   91.269981][ T5839]  ? __pfx_ocfs2_create+0x10/0x10
[   91.270002][ T5839]  ? HAS_UNMAPPED_ID+0x11a/0x180
[   91.270032][ T5839]  ? inode_permission+0x149/0x470
[   91.270053][ T5839]  ? __pfx_ocfs2_permission+0x10/0x10
[   91.270070][ T5839]  ? bpf_lsm_inode_create+0x9/0x20
[   91.270094][ T5839]  ? __pfx_ocfs2_create+0x10/0x10
[   91.270114][ T5839]  path_openat+0x14f1/0x3830
[   91.270142][ T5839]  ? __pfx_path_openat+0x10/0x10
[   91.270155][ T5839]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.270180][ T5839]  do_filp_open+0x1fa/0x410
[   91.270193][ T5839]  ? __lock_acquire+0xab9/0xd20
[   91.270218][ T5839]  ? __pfx_do_filp_open+0x10/0x10
[   91.270241][ T5839]  ? _raw_spin_unlock+0x28/0x50
[   91.270264][ T5839]  ? alloc_fd+0x64c/0x6c0
[   91.270287][ T5839]  do_sys_openat2+0x121/0x1c0
[   91.270314][ T5839]  ? __pfx_do_sys_openat2+0x10/0x10
[   91.270340][ T5839]  ? rcu_is_watching+0x15/0xb0
[   91.270356][ T5839]  __x64_sys_open+0x11e/0x150
[   91.270381][ T5839]  do_syscall_64+0xfa/0x3b0
[   91.270396][ T5839]  ? lockdep_hardirqs_on+0x9c/0x150
[   91.270420][ T5839]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.270436][ T5839]  ? clear_bhb_loop+0x60/0xb0
[   91.270454][ T5839]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   91.270471][ T5839] RIP: 0033:0x7f847955bb19
[   91.270491][ T5839] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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 b8 ff ff ff f7 d8 64 89 01 48
[pid  5839] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4
[pid  5839] exit_group(0)               = ?
[pid  5839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=20 /* 0.20 s */} ---
[   91.270506][ T5839] RSP: 002b:00007ffd2c8e7988 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   91.270523][ T5839] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f847955bb19
[   91.270536][ T5839] RDX: 0000000000000000 RSI: 0000000000060142 RDI: 0000200000000000
[   91.270547][ T5839] RBP: 00007f84795d35f0 R08: 000055555cada4c0 R09: 000055555cada4c0
[   91.270558][ T5839] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd2c8e79b0
[   91.270569][ T5839] R13: 00007ffd2c8e7bd8 R14: 431bde82d7b634db R15: 00007f84795a403b
[   91.270587][ T5839]  </TASK>
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached
 <unfinished ...>
[pid  5846] set_robust_list(0x55555cad9660, 24) = 0
[pid  5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5846] setpgid(0, 0)               = 0
[pid  5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5846] write(3, "1000", 4)         = 4
[pid  5846] close(3)                    = 0
[pid  5846] write(1, "executing program\n", 18executing program
) = 18
[pid  5846] memfd_create("syzkaller", 0) = 3
[pid  5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5837] <... clone resumed>, child_tidptr=0x55555cad9650) = 5846
[pid  5846] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5846] munmap(0x7f8471000000, 138412032) = 0
[pid  5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   91.780597][ T1211] cfg80211: failed to load regulatory.db
[pid  5846] close(3)                    = 0
[pid  5846] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5846] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5846] exit_group(0)               = ?
[pid  5846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached
, child_tidptr=0x55555cad9650) = 5847
[pid  5847] set_robust_list(0x55555cad9660, 24) = 0
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5847] setpgid(0, 0)               = 0
[pid  5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "1000", 4)         = 4
[pid  5847] close(3)                    = 0
[pid  5847] write(1, "executing program\n", 18executing program
) = 18
[pid  5847] memfd_create("syzkaller", 0) = 3
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5847] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5847] munmap(0x7f8471000000, 138412032) = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5847] close(3)                    = 0
[pid  5847] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5847] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5847] exit_group(0)               = ?
[pid  5847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached
, child_tidptr=0x55555cad9650) = 5848
[pid  5848] set_robust_list(0x55555cad9660, 24) = 0
[pid  5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5848] setpgid(0, 0)               = 0
[pid  5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5848] write(3, "1000", 4)         = 4
[pid  5848] close(3)                    = 0
[pid  5848] write(1, "executing program\n", 18executing program
) = 18
[pid  5848] memfd_create("syzkaller", 0) = 3
[pid  5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5848] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5848] munmap(0x7f8471000000, 138412032) = 0
[pid  5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5848] close(3)                    = 0
[pid  5848] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5848] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5848] exit_group(0)               = ?
[pid  5848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
, child_tidptr=0x55555cad9650) = 5849
[pid  5849] set_robust_list(0x55555cad9660, 24) = 0
[pid  5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5849] setpgid(0, 0)               = 0
[pid  5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5849] write(3, "1000", 4)         = 4
[pid  5849] close(3)                    = 0
executing program
[pid  5849] write(1, "executing program\n", 18) = 18
[pid  5849] memfd_create("syzkaller", 0) = 3
[pid  5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5849] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5849] munmap(0x7f8471000000, 138412032) = 0
[pid  5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5849] close(3)                    = 0
[pid  5849] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5849] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5849] exit_group(0)               = ?
[pid  5849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached
, child_tidptr=0x55555cad9650) = 5852
[pid  5852] set_robust_list(0x55555cad9660, 24) = 0
[pid  5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5852] setpgid(0, 0)               = 0
[pid  5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5852] write(3, "1000", 4)         = 4
[pid  5852] close(3)                    = 0
[pid  5852] write(1, "executing program\n", 18executing program
) = 18
[pid  5852] memfd_create("syzkaller", 0) = 3
[pid  5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5852] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5852] munmap(0x7f8471000000, 138412032) = 0
[pid  5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5852] close(3)                    = 0
[pid  5852] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5852] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5852] exit_group(0)               = ?
[pid  5852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached
, child_tidptr=0x55555cad9650) = 5853
[pid  5853] set_robust_list(0x55555cad9660, 24) = 0
[pid  5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5853] setpgid(0, 0)               = 0
[pid  5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5853] write(3, "1000", 4)         = 4
[pid  5853] close(3)                    = 0
executing program
[pid  5853] write(1, "executing program\n", 18) = 18
[pid  5853] memfd_create("syzkaller", 0) = 3
[pid  5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5853] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5853] munmap(0x7f8471000000, 138412032) = 0
[pid  5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5853] close(3)                    = 0
[pid  5853] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5853] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5853] exit_group(0)               = ?
[pid  5853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached
, child_tidptr=0x55555cad9650) = 5854
[pid  5854] set_robust_list(0x55555cad9660, 24) = 0
[pid  5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5854] setpgid(0, 0)               = 0
[pid  5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5854] write(3, "1000", 4)         = 4
[pid  5854] close(3)                    = 0
[pid  5854] write(1, "executing program\n", 18executing program
) = 18
[pid  5854] memfd_create("syzkaller", 0) = 3
[pid  5854] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5854] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5854] munmap(0x7f8471000000, 138412032) = 0
[pid  5854] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5854] close(3)                    = 0
[pid  5854] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5854] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5854] exit_group(0)               = ?
[pid  5854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached
, child_tidptr=0x55555cad9650) = 5855
[pid  5855] set_robust_list(0x55555cad9660, 24) = 0
[pid  5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5855] setpgid(0, 0)               = 0
[pid  5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5855] write(3, "1000", 4)         = 4
[pid  5855] close(3)                    = 0
[pid  5855] write(1, "executing program\n", 18executing program
) = 18
[pid  5855] memfd_create("syzkaller", 0) = 3
[pid  5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5855] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5855] munmap(0x7f8471000000, 138412032) = 0
[pid  5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5855] close(3)                    = 0
[pid  5855] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5855] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5855] exit_group(0)               = ?
[pid  5855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached
, child_tidptr=0x55555cad9650) = 5856
[pid  5856] set_robust_list(0x55555cad9660, 24) = 0
[pid  5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5856] setpgid(0, 0)               = 0
[pid  5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5856] write(3, "1000", 4)         = 4
[pid  5856] close(3)                    = 0
executing program
[pid  5856] write(1, "executing program\n", 18) = 18
[pid  5856] memfd_create("syzkaller", 0) = 3
[pid  5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5856] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5856] munmap(0x7f8471000000, 138412032) = 0
[pid  5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5856] close(3)                    = 0
[pid  5856] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5856] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5856] exit_group(0)               = ?
[pid  5856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached
, child_tidptr=0x55555cad9650) = 5857
[pid  5857] set_robust_list(0x55555cad9660, 24) = 0
[pid  5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5857] setpgid(0, 0)               = 0
[pid  5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5857] write(3, "1000", 4)         = 4
[pid  5857] close(3)                    = 0
[pid  5857] write(1, "executing program\n", 18executing program
) = 18
[pid  5857] memfd_create("syzkaller", 0) = 3
[pid  5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5857] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5857] munmap(0x7f8471000000, 138412032) = 0
[pid  5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5857] close(3)                    = 0
[pid  5857] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5857] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5857] exit_group(0)               = ?
[pid  5857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555cad9650) = 5858
./strace-static-x86_64: Process 5858 attached
[pid  5858] set_robust_list(0x55555cad9660, 24) = 0
[pid  5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5858] setpgid(0, 0)               = 0
[pid  5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5858] write(3, "1000", 4)         = 4
[pid  5858] close(3)                    = 0
executing program
[pid  5858] write(1, "executing program\n", 18) = 18
[pid  5858] memfd_create("syzkaller", 0) = 3
[pid  5858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5858] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5858] munmap(0x7f8471000000, 138412032) = 0
[pid  5858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5858] close(3)                    = 0
[pid  5858] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5858] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5858] exit_group(0)               = ?
[pid  5858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached
, child_tidptr=0x55555cad9650) = 5859
[pid  5859] set_robust_list(0x55555cad9660, 24) = 0
[pid  5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5859] setpgid(0, 0)               = 0
[pid  5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5859] write(3, "1000", 4)         = 4
[pid  5859] close(3executing program
)                    = 0
[pid  5859] write(1, "executing program\n", 18) = 18
[pid  5859] memfd_create("syzkaller", 0) = 3
[pid  5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5859] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5859] munmap(0x7f8471000000, 138412032) = 0
[pid  5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5859] close(3)                    = 0
[pid  5859] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5859] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5859] exit_group(0)               = ?
[pid  5859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached
 <unfinished ...>
[pid  5861] set_robust_list(0x55555cad9660, 24 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x55555cad9650) = 5861
[pid  5861] <... set_robust_list resumed>) = 0
[pid  5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5861] setpgid(0, 0)               = 0
[pid  5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5861] write(3, "1000", 4)         = 4
[pid  5861] close(3)                    = 0
executing program
[pid  5861] write(1, "executing program\n", 18) = 18
[pid  5861] memfd_create("syzkaller", 0) = 3
[pid  5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5861] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5861] munmap(0x7f8471000000, 138412032) = 0
[pid  5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5861] close(3)                    = 0
[pid  5861] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5861] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5861] exit_group(0)               = ?
[pid  5861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached
, child_tidptr=0x55555cad9650) = 5862
[pid  5862] set_robust_list(0x55555cad9660, 24) = 0
[pid  5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5862] setpgid(0, 0)               = 0
[pid  5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5862] write(3, "1000", 4)         = 4
[pid  5862] close(3)                    = 0
executing program
[pid  5862] write(1, "executing program\n", 18) = 18
[pid  5862] memfd_create("syzkaller", 0) = 3
[pid  5862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5862] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5862] munmap(0x7f8471000000, 138412032) = 0
[pid  5862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5862] close(3)                    = 0
[pid  5862] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5862] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5862] exit_group(0)               = ?
[pid  5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached
, child_tidptr=0x55555cad9650) = 5863
[pid  5863] set_robust_list(0x55555cad9660, 24) = 0
[pid  5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5863] setpgid(0, 0)               = 0
[pid  5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5863] write(3, "1000", 4)         = 4
[pid  5863] close(3)                    = 0
executing program
[pid  5863] write(1, "executing program\n", 18) = 18
[pid  5863] memfd_create("syzkaller", 0) = 3
[pid  5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5863] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5863] munmap(0x7f8471000000, 138412032) = 0
[pid  5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5863] close(3)                    = 0
[pid  5863] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5863] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5863] exit_group(0)               = ?
[pid  5863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached
 <unfinished ...>
[pid  5864] set_robust_list(0x55555cad9660, 24) = 0
[pid  5837] <... clone resumed>, child_tidptr=0x55555cad9650) = 5864
[pid  5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5864] setpgid(0, 0)               = 0
[pid  5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5864] write(3, "1000", 4)         = 4
[pid  5864] close(3)                    = 0
executing program
[pid  5864] write(1, "executing program\n", 18) = 18
[pid  5864] memfd_create("syzkaller", 0) = 3
[pid  5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5864] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5864] munmap(0x7f8471000000, 138412032) = 0
[pid  5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5864] close(3)                    = 0
[pid  5864] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5864] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5864] exit_group(0)               = ?
[pid  5864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5865 attached
, child_tidptr=0x55555cad9650) = 5865
[pid  5865] set_robust_list(0x55555cad9660, 24) = 0
[pid  5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5865] setpgid(0, 0)               = 0
[pid  5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5865] write(3, "1000", 4)         = 4
[pid  5865] close(3)                    = 0
executing program
[pid  5865] write(1, "executing program\n", 18) = 18
[pid  5865] memfd_create("syzkaller", 0) = 3
[pid  5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5865] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5865] munmap(0x7f8471000000, 138412032) = 0
[pid  5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5865] close(3)                    = 0
[pid  5865] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5865] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5865] exit_group(0)               = ?
[pid  5865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached
, child_tidptr=0x55555cad9650) = 5866
[pid  5866] set_robust_list(0x55555cad9660, 24) = 0
[pid  5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5866] setpgid(0, 0)               = 0
[pid  5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5866] write(3, "1000", 4)         = 4
[pid  5866] close(3)                    = 0
executing program
[pid  5866] write(1, "executing program\n", 18) = 18
[pid  5866] memfd_create("syzkaller", 0) = 3
[pid  5866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5866] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5866] munmap(0x7f8471000000, 138412032) = 0
[pid  5866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5866] close(3)                    = 0
[pid  5866] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5866] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5866] exit_group(0)               = ?
[pid  5866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached
, child_tidptr=0x55555cad9650) = 5867
[pid  5867] set_robust_list(0x55555cad9660, 24) = 0
[pid  5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5867] setpgid(0, 0)               = 0
[pid  5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5867] write(3, "1000", 4)         = 4
[pid  5867] close(3)                    = 0
executing program
[pid  5867] write(1, "executing program\n", 18) = 18
[pid  5867] memfd_create("syzkaller", 0) = 3
[pid  5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5867] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5867] munmap(0x7f8471000000, 138412032) = 0
[pid  5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5867] close(3)                    = 0
[pid  5867] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5867] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5867] exit_group(0)               = ?
[pid  5867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555cad9650) = 5868
./strace-static-x86_64: Process 5868 attached
[pid  5868] set_robust_list(0x55555cad9660, 24) = 0
[pid  5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5868] setpgid(0, 0)               = 0
[pid  5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5868] write(3, "1000", 4)         = 4
[pid  5868] close(3)                    = 0
[pid  5868] write(1, "executing program\n", 18executing program
) = 18
[pid  5868] memfd_create("syzkaller", 0) = 3
[pid  5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5868] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5868] munmap(0x7f8471000000, 138412032) = 0
[pid  5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5868] close(3)                    = 0
[pid  5868] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5868] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5868] exit_group(0)               = ?
[pid  5868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached
, child_tidptr=0x55555cad9650) = 5869
[pid  5869] set_robust_list(0x55555cad9660, 24) = 0
[pid  5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5869] setpgid(0, 0)               = 0
[pid  5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5869] write(3, "1000", 4)         = 4
[pid  5869] close(3)                    = 0
[pid  5869] write(1, "executing program\n", 18executing program
) = 18
[pid  5869] memfd_create("syzkaller", 0) = 3
[pid  5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5869] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5869] munmap(0x7f8471000000, 138412032) = 0
[pid  5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5869] close(3)                    = 0
[pid  5869] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5869] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5869] exit_group(0)               = ?
[pid  5869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached
, child_tidptr=0x55555cad9650) = 5870
[pid  5870] set_robust_list(0x55555cad9660, 24) = 0
[pid  5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5870] setpgid(0, 0)               = 0
[pid  5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5870] write(3, "1000", 4)         = 4
[pid  5870] close(3)                    = 0
executing program
[pid  5870] write(1, "executing program\n", 18) = 18
[pid  5870] memfd_create("syzkaller", 0) = 3
[pid  5870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5870] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5870] munmap(0x7f8471000000, 138412032) = 0
[pid  5870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5870] close(3)                    = 0
[pid  5870] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5870] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5870] exit_group(0)               = ?
[pid  5870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached
, child_tidptr=0x55555cad9650) = 5872
[pid  5872] set_robust_list(0x55555cad9660, 24) = 0
[pid  5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5872] setpgid(0, 0)               = 0
[pid  5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5872] write(3, "1000", 4)         = 4
[pid  5872] close(3)                    = 0
executing program
[pid  5872] write(1, "executing program\n", 18) = 18
[pid  5872] memfd_create("syzkaller", 0) = 3
[pid  5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5872] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5872] munmap(0x7f8471000000, 138412032) = 0
[pid  5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5872] close(3)                    = 0
[pid  5872] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5872] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5872] exit_group(0)               = ?
[pid  5872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached
 <unfinished ...>
[pid  5873] set_robust_list(0x55555cad9660, 24 <unfinished ...>
[pid  5837] <... clone resumed>, child_tidptr=0x55555cad9650) = 5873
[pid  5873] <... set_robust_list resumed>) = 0
[pid  5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5873] setpgid(0, 0)               = 0
[pid  5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5873] write(3, "1000", 4)         = 4
[pid  5873] close(3)                    = 0
executing program
[pid  5873] write(1, "executing program\n", 18) = 18
[pid  5873] memfd_create("syzkaller", 0) = 3
[pid  5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5873] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5873] munmap(0x7f8471000000, 138412032) = 0
[pid  5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5873] close(3)                    = 0
[pid  5873] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5873] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5873] exit_group(0)               = ?
[pid  5873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached
, child_tidptr=0x55555cad9650) = 5874
[pid  5874] set_robust_list(0x55555cad9660, 24) = 0
[pid  5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5874] setpgid(0, 0)               = 0
[pid  5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5874] write(3, "1000", 4)         = 4
[pid  5874] close(3)                    = 0
executing program
[pid  5874] write(1, "executing program\n", 18) = 18
[pid  5874] memfd_create("syzkaller", 0) = 3
[pid  5874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5874] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5874] munmap(0x7f8471000000, 138412032) = 0
[pid  5874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5874] close(3)                    = 0
[pid  5874] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5874] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5874] exit_group(0)               = ?
[pid  5874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5875 attached
, child_tidptr=0x55555cad9650) = 5875
[pid  5875] set_robust_list(0x55555cad9660, 24) = 0
[pid  5875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5875] setpgid(0, 0)               = 0
[pid  5875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5875] write(3, "1000", 4)         = 4
[pid  5875] close(3)                    = 0
executing program
[pid  5875] write(1, "executing program\n", 18) = 18
[pid  5875] memfd_create("syzkaller", 0) = 3
[pid  5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5875] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5875] munmap(0x7f8471000000, 138412032) = 0
[pid  5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5875] close(3)                    = 0
[pid  5875] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5875] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5875] exit_group(0)               = ?
[pid  5875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5875, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555cad9650) = 5876
./strace-static-x86_64: Process 5876 attached
[pid  5876] set_robust_list(0x55555cad9660, 24) = 0
[pid  5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5876] setpgid(0, 0)               = 0
[pid  5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5876] write(3, "1000", 4)         = 4
[pid  5876] close(3)                    = 0
[pid  5876] write(1, "executing program\n", 18executing program
) = 18
[pid  5876] memfd_create("syzkaller", 0) = 3
[pid  5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5876] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5876] munmap(0x7f8471000000, 138412032) = 0
[pid  5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5876] close(3)                    = 0
[pid  5876] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5876] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5876] exit_group(0)               = ?
[pid  5876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached
, child_tidptr=0x55555cad9650) = 5877
[pid  5877] set_robust_list(0x55555cad9660, 24) = 0
[pid  5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5877] setpgid(0, 0)               = 0
[pid  5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5877] write(3, "1000", 4)         = 4
[pid  5877] close(3)                    = 0
executing program
[pid  5877] write(1, "executing program\n", 18) = 18
[pid  5877] memfd_create("syzkaller", 0) = 3
[pid  5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5877] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5877] munmap(0x7f8471000000, 138412032) = 0
[pid  5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5877] close(3)                    = 0
[pid  5877] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5877] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5877] exit_group(0)               = ?
[pid  5877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5878 attached
, child_tidptr=0x55555cad9650) = 5878
[pid  5878] set_robust_list(0x55555cad9660, 24) = 0
[pid  5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5878] setpgid(0, 0)               = 0
[pid  5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5878] write(3, "1000", 4)         = 4
[pid  5878] close(3)                    = 0
[pid  5878] write(1, "executing program\n", 18executing program
) = 18
[pid  5878] memfd_create("syzkaller", 0) = 3
[pid  5878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5878] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5878] munmap(0x7f8471000000, 138412032) = 0
[pid  5878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5878] close(3)                    = 0
[pid  5878] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5878] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5878] exit_group(0)               = ?
[pid  5878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5879 attached
, child_tidptr=0x55555cad9650) = 5879
[pid  5879] set_robust_list(0x55555cad9660, 24) = 0
[pid  5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5879] setpgid(0, 0)               = 0
[pid  5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5879] write(3, "1000", 4)         = 4
[pid  5879] close(3)                    = 0
[pid  5879] write(1, "executing program\n", 18executing program
) = 18
[pid  5879] memfd_create("syzkaller", 0) = 3
[pid  5879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000
[pid  5879] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5879] munmap(0x7f8471000000, 138412032) = 0
[pid  5879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5879] close(3)                    = 0
[pid  5879] setxattr(".", "system.posix_acl_default", "\x02\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x04\x00\x05\x00\x02\x00\x00\x00\x10\x00\x00\x00\x00\x9d\xfd\x00\x20\x00\x00\x00\x00\x00\x00\x00", 36, 0) = 0
[pid  5879] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 3
[pid  5879] exit_group(0)               = ?
[pid  5879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = -1 EBUSY (Device or resource busy)
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555cad9650) = 5880
./strace-static-x86_64: Process 5880 attached
[pid  5880] set_robust_list(0x55555cad9660, 24) = 0
[pid  5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5880] setpgid(0, 0)               = 0
[pid  5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5880] write(3, "1000", 4)         = 4
[pid  5880] close(3)                    = 0
[pid  5880] write(1, "executing program\n", 18executing program
) = 18
[pid  5880] memfd_create("syzkaller", 0) = 3
[pid  5880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8471000000