./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1225047475
<...>
Warning: Permanently added '10.128.0.77' (ED25519) to the list of known hosts.
execve("./syz-executor1225047475", ["./syz-executor1225047475"], 0x7ffe6d119750 /* 10 vars */) = 0
brk(NULL) = 0x55555672f000
brk(0x55555672fd00) = 0x55555672fd00
arch_prctl(ARCH_SET_FS, 0x55555672f380) = 0
set_tid_address(0x55555672f650) = 356
set_robust_list(0x55555672f660, 24) = 0
rseq(0x55555672fca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1225047475", 4096) = 28
getrandom("\x61\x21\x4a\x29\x9d\x12\x02\xb2", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555672fd00
brk(0x555556750d00) = 0x555556750d00
brk(0x555556751000) = 0x555556751000
mprotect(0x7f16f4585000, 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
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16ec0d4000
write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
munmap(0x7f16ec0d4000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file1", 0777) = 0
[ 24.182940][ T23] audit: type=1400 audit(1703583697.450:66): avc: denied { execmem } for pid=356 comm="syz-executor122" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 24.205571][ T23] audit: type=1400 audit(1703583697.470:67): avc: denied { read write } for pid=356 comm="syz-executor122" name="loop0" dev="devtmpfs" ino=9327 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 24.230230][ T23] audit: type=1400 audit(1703583697.470:68): avc: denied { open } for pid=356 comm="syz-executor122" path="/dev/loop0" dev="devtmpfs" ino=9327 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 24.254308][ T23] audit: type=1400 audit(1703583697.470:69): avc: denied { ioctl } for pid=356 comm="syz-executor122" path="/dev/loop0" dev="devtmpfs" ino=9327 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 24.263864][ T356] EXT4-fs (loop0): 1 orphan inode deleted
[ 24.279850][ T23] audit: type=1400 audit(1703583697.470:70): avc: denied { mounton } for pid=356 comm="syz-executor122" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 24.285673][ T356] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
mount("/dev/loop0", "./file1", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_REC, ",errors=continue") = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
open("./bus", O_ACCMODE|O_CREAT|O_TRUNC|O_APPEND|O_NOFOLLOW|O_CLOEXEC|FASYNC, 000) = 4
mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
open("./bus", O_RDWR|O_SYNC|O_NOATIME|0x3c) = 5
mmap(0x20000000, 6291456, PROT_WRITE|PROT_GROWSDOWN|PROT_GROWSUP, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000
memfd_create("syzkaller", 0) = 6
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f16ec0d4000
write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65536) = 65536
munmap(0x7f16ec0d4000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 7
ioctl(7, LOOP_SET_FD, 6) = -1 EBUSY (Device or resource busy)
ioctl(7, LOOP_CLR_FD) = 0
ioctl(7, LOOP_SET_FD, 6) = -1 EBUSY (Device or resource busy)
close(7) = 0
close(6) = 0
[ 24.316974][ T23] audit: type=1400 audit(1703583697.580:71): avc: denied { mount } for pid=356 comm="syz-executor122" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 24.316990][ T356] ext4 filesystem being mounted at /root/file1 supports timestamps until 2038 (0x7fffffff)
[ 24.353138][ T23] audit: type=1400 audit(1703583697.620:72): avc: denied { write } for pid=356 comm="syz-executor122" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 24.373511][ T356] ------------[ cut here ]------------
[ 24.374978][ T23] audit: type=1400 audit(1703583697.620:73): avc: denied { add_name } for pid=356 comm="syz-executor122" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 24.380024][ T356] kernel BUG at fs/ext4/ext4.h:2984!
[ 24.400996][ T23] audit: type=1400 audit(1703583697.620:74): avc: denied { create } for pid=356 comm="syz-executor122" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 24.405757][ T356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 24.425975][ T23] audit: type=1400 audit(1703583697.620:75): avc: denied { ioctl open } for pid=356 comm="syz-executor122" path="/root/file1/bus" dev="loop0" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 24.431575][ T356] CPU: 1 PID: 356 Comm: syz-executor122 Not tainted 5.4.259-syzkaller-00009-gc0585bc7c835 #0
[ 24.431580][ T356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 24.431595][ T356] RIP: 0010:ext4_trim_fs+0x1e69/0x1e80
[ 24.431609][ T356] Code: 80 e1 07 80 c1 03 38 c1 0f 8c 40 e7 ff ff 48 8d bc 24 f0 01 00 00 e8 d6 ba c8 ff e9 2e e7 ff ff e8 3c a4 6f ff e8 07 ea 98 ff <0f> 0b e8 00 ea 98 ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
[ 24.499265][ T356] RSP: 0018:ffff8881dceff500 EFLAGS: 00010293
[ 24.505271][ T356] RAX: ffffffff81cb5a99 RBX: 0000000000000001 RCX: ffff8881dd303f00
[ 24.513081][ T356] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
[ 24.520894][ T356] RBP: ffff8881dceff770 R08: ffffffff81cb4414 R09: 0000000000000003
[ 24.528702][ T356] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001
[ 24.536517][ T356] R13: dffffc0000000000 R14: ffff8881dcf32000 R15: 0000000000000001
[ 24.544329][ T356] FS: 000055555672f380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.553090][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.559517][ T356] CR2: 000055a2a3a241d8 CR3: 00000001dcdd9000 CR4: 00000000003406a0
[ 24.567424][ T356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.575241][ T356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.583034][ T356] Call Trace:
[ 24.586165][ T356] ? __die+0xb4/0x100
[ 24.589990][ T356] ? die+0x26/0x50
[ 24.593540][ T356] ? do_trap+0x1e7/0x340
[ 24.597632][ T356] ? ext4_trim_fs+0x1e69/0x1e80
[ 24.602305][ T356] ? ext4_trim_fs+0x1e69/0x1e80
[ 24.606992][ T356] ? do_invalid_op+0xfb/0x110
[ 24.611516][ T356] ? ext4_trim_fs+0x1e69/0x1e80
[ 24.616201][ T356] ? invalid_op+0x1e/0x30
[ 24.620363][ T356] ? ext4_trim_fs+0x7e4/0x1e80
[ 24.624958][ T356] ? ext4_trim_fs+0x1e69/0x1e80
[ 24.629648][ T356] ? ext4_trim_fs+0x1e69/0x1e80
[ 24.634339][ T356] ? ext4_group_add_blocks+0xde0/0xde0
[ 24.639655][ T356] ? update_load_avg+0x40f/0x1210
[ 24.644576][ T356] ? cap_capable+0x1b1/0x250
[ 24.649001][ T356] ? check_preemption_disabled+0x9f/0x320
[ 24.654557][ T356] ext4_ioctl+0x2168/0x3ff0
[ 24.658939][ T356] ? check_preempt_wakeup+0x4f6/0x9f0
[ 24.664105][ T356] ? asan.module_dtor+0x20/0x20
[ 24.668792][ T356] ? ttwu_do_wakeup+0x161/0x480
[ 24.673478][ T356] ? check_preemption_disabled+0x9f/0x320
[ 24.679140][ T356] ? try_to_wake_up+0x7c5/0x14f0
[ 24.683929][ T356] ? debug_smp_processor_id+0x20/0x20
[ 24.689124][ T356] ? check_preemption_disabled+0x9f/0x320
[ 24.694683][ T356] ? avc_has_extended_perms+0xb03/0x1120
[ 24.700149][ T356] ? avc_flush+0x1f0/0x1f0
[ 24.704396][ T356] ? finish_task_switch+0x130/0x590
[ 24.709436][ T356] ? _raw_spin_lock_irqsave+0x210/0x210
[ 24.714907][ T356] ? ptrace_stop+0x6ee/0xa30
[ 24.719326][ T356] ? asan.module_dtor+0x20/0x20
[ 24.724014][ T356] do_vfs_ioctl+0x742/0x1720
[ 24.728465][ T356] ? ioctl_preallocate+0x250/0x250
[ 24.733390][ T356] ? check_preemption_disabled+0x153/0x320
[ 24.739030][ T356] ? syscall_trace_enter+0x650/0x940
[ 24.744155][ T356] ? do_syscall_64+0x1c0/0x1c0
[ 24.748749][ T356] ? switch_fpu_return+0x1d4/0x410
[ 24.753699][ T356] ? security_file_ioctl+0x7d/0xa0
[ 24.758658][ T356] __x64_sys_ioctl+0xd4/0x110
[ 24.763193][ T356] do_syscall_64+0xca/0x1c0
[ 24.767499][ T356] entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[ 24.773235][ T356] Modules linked in:
[ 24.777042][ T356] ---[ end trace 618ed5404f140009 ]---
[ 24.782440][ T356] RIP: 0010:ext4_trim_fs+0x1e69/0x1e80
[ 24.787687][ T356] Code: 80 e1 07 80 c1 03 38 c1 0f 8c 40 e7 ff ff 48 8d bc 24 f0 01 00 00 e8 d6 ba c8 ff e9 2e e7 ff ff e8 3c a4 6f ff e8 07 ea 98 ff <0f> 0b e8 00 ea 98 ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
[ 24.807188][ T356] RSP: 0018:ffff8881dceff500 EFLAGS: 00010293
[ 24.813071][ T356] RAX: ffffffff81cb5a99 RBX: 0000000000000001 RCX: ffff8881dd303f00
[ 24.820869][ T356] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
[ 24.828680][ T356] RBP: ffff8881dceff770 R08: ffffffff81cb4414 R09: 0000000000000003
[ 24.836506][ T356] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001
[ 24.844295][ T356] R13: dffffc0000000000 R14: ffff8881dcf32000 R15: 0000000000000001
[ 24.852128][ T356] FS: 000055555672f380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.860856][ T356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.867316][ T356] CR2: 000055a2a3a241d8 CR3: 00000001dcdd9000 CR4: 00000000003406a0
[ 24.875113][ T356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.882929][ T356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.890711][ T356] Kernel panic - not syncing: Fatal exception
[ 24.896958][ T356] Kernel Offset: disabled
[ 24.901085][ T356] Rebooting in 86400 seconds..