./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3210092702 <...> Warning: Permanently added '10.128.0.122' (ED25519) to the list of known hosts. execve("./syz-executor3210092702", ["./syz-executor3210092702"], 0x7ffc06ae0b60 /* 10 vars */) = 0 brk(NULL) = 0x55558d54b000 brk(0x55558d54bd00) = 0x55558d54bd00 arch_prctl(ARCH_SET_FS, 0x55558d54b380) = 0 set_tid_address(0x55558d54b650) = 5825 set_robust_list(0x55558d54b660, 24) = 0 rseq(0x55558d54bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3210092702", 4096) = 28 getrandom("\x6a\x53\x33\xc8\xf3\xd8\xaa\x5f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d54bd00 brk(0x55558d56cd00) = 0x55558d56cd00 brk(0x55558d56d000) = 0x55558d56d000 mprotect(0x7f4ccf8ac000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5826 attached [pid 5826] set_robust_list(0x55558d54b660, 24 [pid 5825] <... clone resumed>, child_tidptr=0x55558d54b650) = 5826 [pid 5826] <... set_robust_list resumed>) = 0 [pid 5826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5826] getppid() = 0 [pid 5826] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5826] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5826] unshare(CLONE_NEWNS) = 0 [pid 5826] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5826] unshare(CLONE_NEWIPC) = 0 [pid 5826] unshare(CLONE_NEWCGROUP) = 0 [pid 5826] unshare(CLONE_NEWUTS) = 0 [pid 5826] unshare(CLONE_SYSVSEM) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "16777216", 8) = 8 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "536870912", 9) = 9 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "8192", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024", 4) = 4 [pid 5826] close(3) = 0 [pid 5826] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5826] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5826] close(3) = 0 [pid 5826] getpid() = 1 [pid 5826] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<nohomeok > 0) [ 76.627399][ T115] ------------[ cut here ]------------ [ 76.632922][ T115] kernel BUG at fs/jfs/jfs_txnmgr.c:931! [ 76.639234][ T115] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 76.646251][ T115] CPU: 0 UID: 0 PID: 115 Comm: jfsCommit Not tainted 6.13.0-rc4-syzkaller #0 [ 76.655044][ T115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 76.665119][ T115] RIP: 0010:txUnlock+0xd46/0xdb0 [ 76.670097][ T115] Code: e9 0e fe ff ff e8 5a 66 6d fe 48 c7 c7 80 77 42 8c 48 c7 c6 79 73 42 8c ba a3 03 00 00 48 c7 c1 80 84 42 8c e8 9b f4 d4 fd 90 <0f> 0b e8 33 66 6d fe 48 c7 c7 80 77 42 8c 48 c7 c6 79 73 42 8c ba [ 76.689713][ T115] RSP: 0018:ffffc90002dd7ce8 EFLAGS: 00010246 [ 76.695794][ T115] RAX: 0000000000000037 RBX: 1ffff110069f6c91 RCX: 5cdb8bdb1d9c7f00 [ 76.703782][ T115] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 76.711764][ T115] RBP: 0000000000000000 R08: ffffffff817f0a3c R09: 1ffff920005baf38 [ 76.719765][ T115] R10: dffffc0000000000 R11: fffff520005baf39 R12: ffff8880354401d0 [ 76.727741][ T115] R13: ffffc9000292a000 R14: ffff888034fb6488 R15: dffffc0000000000 [ 76.735721][ T115] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 76.744663][ T115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.751253][ T115] CR2: 00007f83b3595ed8 CR3: 000000007dfd0000 CR4: 00000000003526f0 [ 76.759259][ T115] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.767324][ T115] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.775321][ T115] Call Trace: [ 76.778612][ T115] [ 76.781551][ T115] ? __die_body+0x5f/0xb0 [ 76.785896][ T115] ? die+0x9e/0xc0 [ 76.789651][ T115] ? do_trap+0x15a/0x3a0 [ 76.793908][ T115] ? txUnlock+0xd46/0xdb0 [ 76.798249][ T115] ? do_error_trap+0x1dc/0x2c0 [ 76.803048][ T115] ? txUnlock+0xd46/0xdb0 [ 76.807419][ T115] ? __pfx_do_error_trap+0x10/0x10 [ 76.812546][ T115] ? report_bug+0x3e8/0x500 [ 76.817080][ T115] ? handle_invalid_op+0x34/0x40 [ 76.822035][ T115] ? txUnlock+0xd46/0xdb0 [ 76.826380][ T115] ? exc_invalid_op+0x38/0x50 [ 76.831101][ T115] ? asm_exc_invalid_op+0x1a/0x20 [ 76.836145][ T115] ? __wake_up_klogd+0xcc/0x110 [ 76.841010][ T115] ? txUnlock+0xd46/0xdb0 [ 76.845376][ T115] ? txUnlock+0xd45/0xdb0 [ 76.849717][ T115] ? lockdep_hardirqs_on+0x99/0x150 [ 76.854929][ T115] jfs_lazycommit+0x5f4/0xb80 [ 76.859615][ T115] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 76.865520][ T115] ? lockdep_hardirqs_on+0x99/0x150 [ 76.870737][ T115] ? __pfx_jfs_lazycommit+0x10/0x10 [ 76.876044][ T115] ? __pfx_default_wake_function+0x10/0x10 [ 76.881921][ T115] ? __kthread_parkme+0x169/0x1d0 [ 76.886964][ T115] ? __pfx_jfs_lazycommit+0x10/0x10 [ 76.892198][ T115] kthread+0x2f0/0x390 [ 76.896280][ T115] ? __pfx_jfs_lazycommit+0x10/0x10 [ 76.901545][ T115] ? __pfx_kthread+0x10/0x10 [ 76.906326][ T115] ret_from_fork+0x4b/0x80 [ 76.910751][ T115] ? __pfx_kthread+0x10/0x10 [ 76.915351][ T115] ret_from_fork_asm+0x1a/0x30 [ 76.920146][ T115] [ 76.923174][ T115] Modules linked in: [ 76.927392][ T115] ---[ end trace 0000000000000000 ]--- [ 76.933277][ T115] RIP: 0010:txUnlock+0xd46/0xdb0 [ 76.942514][ T115] Code: e9 0e fe ff ff e8 5a 66 6d fe 48 c7 c7 80 77 42 8c 48 c7 c6 79 73 42 8c ba a3 03 00 00 48 c7 c1 80 84 42 8c e8 9b f4 d4 fd 90 <0f> 0b e8 33 66 6d fe 48 c7 c7 80 77 42 8c 48 c7 c6 79 73 42 8c ba [ 76.962405][ T115] RSP: 0018:ffffc90002dd7ce8 EFLAGS: 00010246 [ 76.968859][ T115] RAX: 0000000000000037 RBX: 1ffff110069f6c91 RCX: 5cdb8bdb1d9c7f00 [ 76.976917][ T115] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 76.984944][ T115] RBP: 0000000000000000 R08: ffffffff817f0a3c R09: 1ffff920005baf38 [ 76.993019][ T115] R10: dffffc0000000000 R11: fffff520005baf39 R12: ffff8880354401d0 [ 77.001153][ T115] R13: ffffc9000292a000 R14: ffff888034fb6488 R15: dffffc0000000000 [ 77.009225][ T115] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 77.018271][ T115] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.024879][ T115] CR2: 00007f4ccf87a0b8 CR3: 000000007df62000 CR4: 00000000003526f0 [ 77.033036][ T115] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.041131][ T115] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.049259][ T115] Kernel panic - not syncing: Fatal exception [ 77.055733][ T115] Kernel Offset: disabled [ 77.060062][ T115] Rebooting in 86400 seconds..