./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor233826113 <...> Warning: Permanently added '10.128.1.66' (ED25519) to the list of known hosts. execve("./syz-executor233826113", ["./syz-executor233826113"], 0x7ffe041a1980 /* 10 vars */) = 0 brk(NULL) = 0x55557df0c000 brk(0x55557df0cd00) = 0x55557df0cd00 arch_prctl(ARCH_SET_FS, 0x55557df0c380) = 0 set_tid_address(0x55557df0c650) = 5824 set_robust_list(0x55557df0c660, 24) = 0 rseq(0x55557df0cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor233826113", 4096) = 27 getrandom("\x81\x1f\xae\xa9\x8c\x73\x0b\x4f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557df0cd00 brk(0x55557df2dd00) = 0x55557df2dd00 brk(0x55557df2e000) = 0x55557df2e000 mprotect(0x7f8a850e2000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557df0c650) = 5825 ./strace-static-x86_64: Process 5825 attached [pid 5825] set_robust_list(0x55557df0c660, 24) = 0 [pid 5825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5825] getppid() = 0 [pid 5825] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5825] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5825] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5825] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5825] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5825] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5825] unshare(CLONE_NEWNS) = 0 [pid 5825] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5825] unshare(CLONE_NEWIPC) = 0 [pid 5825] unshare(CLONE_NEWCGROUP) = 0 [pid 5825] unshare(CLONE_NEWUTS) = 0 [pid 5825] unshare(CLONE_SYSVSEM) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "16777216", 8) = 8 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "536870912", 9) = 9 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "1024", 4) = 4 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "8192", 4) = 4 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "1024", 4) = 4 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "1024", 4) = 4 [pid 5825] close(3) = 0 [pid 5825] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5825] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5825] close(3) = 0 [pid 5825] getpid() = 1 [pid 5825] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< numinos [ 89.379011][ T5825] [ 89.420514][ T112] BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) [ 89.428014][ T112] ------------[ cut here ]------------ [ 89.434903][ T112] kernel BUG at fs/jfs/jfs_txnmgr.c:931! [ 89.440734][ T112] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 89.446993][ T112] CPU: 1 UID: 0 PID: 112 Comm: jfsCommit Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) [ 89.457287][ T112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 89.467376][ T112] RIP: 0010:txUnlock+0xdaf/0xdf0 [ 89.472320][ T112] Code: e8 fd 90 0f 0b e8 51 e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba a3 03 00 00 48 c7 c1 60 fe c3 8b e8 52 27 e8 fd 90 <0f> 0b e8 2a e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba [ 89.491938][ T112] RSP: 0018:ffffc90002d87bc8 EFLAGS: 00010246 [ 89.497999][ T112] RAX: 0000000000000037 RBX: 0000000000001000 RCX: 6ac553675a109700 [ 89.505977][ T112] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 89.513949][ T112] RBP: ffffc900028fa168 R08: ffffc90002d878e7 R09: 1ffff920005b0f1c [ 89.521936][ T112] R10: dffffc0000000000 R11: fffff520005b0f1d R12: dffffc0000000000 [ 89.529909][ T112] R13: 1ffff1100eaa71c7 R14: ffff888075538e38 R15: 0000000000000000 [ 89.537882][ T112] FS: 0000000000000000(0000) GS:ffff888125d85000(0000) knlGS:0000000000000000 [ 89.546811][ T112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.553420][ T112] CR2: 00007f8a850e6130 CR3: 0000000073db4000 CR4: 00000000003526f0 [ 89.561398][ T112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.569374][ T112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.577440][ T112] Call Trace: [ 89.580727][ T112] [ 89.583761][ T112] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.589082][ T112] jfs_lazycommit+0x584/0xa90 [ 89.593768][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 89.598969][ T112] ? __pfx_default_wake_function+0x10/0x10 [ 89.604781][ T112] ? __kthread_parkme+0x7b/0x200 [ 89.609728][ T112] ? __kthread_parkme+0x1a1/0x200 [ 89.614771][ T112] kthread+0x70e/0x8a0 [ 89.618845][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 89.624135][ T112] ? __pfx_kthread+0x10/0x10 [ 89.628726][ T112] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.633939][ T112] ? lockdep_hardirqs_on+0x9c/0x150 [ 89.639141][ T112] ? __pfx_kthread+0x10/0x10 [ 89.643734][ T112] ret_from_fork+0x3fc/0x770 [ 89.648335][ T112] ? __pfx_ret_from_fork+0x10/0x10 [ 89.653452][ T112] ? __switch_to_asm+0x39/0x70 [ 89.658218][ T112] ? __switch_to_asm+0x33/0x70 [ 89.662979][ T112] ? __pfx_kthread+0x10/0x10 [ 89.667569][ T112] ret_from_fork_asm+0x1a/0x30 [ 89.672442][ T112] [ 89.675468][ T112] Modules linked in: [ 89.679585][ T112] ---[ end trace 0000000000000000 ]--- [ 89.685319][ T112] RIP: 0010:txUnlock+0xdaf/0xdf0 [ 89.690323][ T112] Code: e8 fd 90 0f 0b e8 51 e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba a3 03 00 00 48 c7 c1 60 fe c3 8b e8 52 27 e8 fd 90 <0f> 0b e8 2a e9 80 fe 48 c7 c7 60 f1 c3 8b 48 c7 c6 59 ed c3 8b ba [ 89.710804][ T112] RSP: 0018:ffffc90002d87bc8 EFLAGS: 00010246 [ 89.716905][ T112] RAX: 0000000000000037 RBX: 0000000000001000 RCX: 6ac553675a109700 [ 89.725162][ T112] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 89.733228][ T112] RBP: ffffc900028fa168 R08: ffffc90002d878e7 R09: 1ffff920005b0f1c [ 89.741306][ T112] R10: dffffc0000000000 R11: fffff520005b0f1d R12: dffffc0000000000 [ 89.749315][ T112] R13: 1ffff1100eaa71c7 R14: ffff888075538e38 R15: 0000000000000000 [ 89.757409][ T112] FS: 0000000000000000(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000 [ 89.766553][ T112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.773492][ T112] CR2: 00007f4f2a18dd30 CR3: 0000000034316000 CR4: 00000000003526f0 [ 89.781549][ T112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.789646][ T112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.797649][ T112] Kernel panic - not syncing: Fatal exception [ 89.803997][ T112] Kernel Offset: disabled [ 89.808317][ T112] Rebooting in 86400 seconds..