./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor141670736 <...> Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. execve("./syz-executor141670736", ["./syz-executor141670736"], 0x7ffd47e87ae0 /* 10 vars */) = 0 brk(NULL) = 0x555592aed000 brk(0x555592aedd00) = 0x555592aedd00 arch_prctl(ARCH_SET_FS, 0x555592aed380) = 0 set_tid_address(0x555592aed650) = 5058 set_robust_list(0x555592aed660, 24) = 0 rseq(0x555592aedca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor141670736", 4096) = 27 getrandom("\xc1\xa8\xfc\x5c\x55\x28\xb5\xc9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555592aedd00 brk(0x555592b0ed00) = 0x555592b0ed00 brk(0x555592b0f000) = 0x555592b0f000 mprotect(0x7f3b03279000, 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 5059 attached , child_tidptr=0x555592aed650) = 5059 [pid 5059] set_robust_list(0x555592aed660, 24) = 0 [pid 5059] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setsid() = 1 [pid 5059] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5059] unshare(CLONE_NEWNS) = 0 [pid 5059] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5059] unshare(CLONE_NEWIPC) = 0 [pid 5059] unshare(CLONE_NEWCGROUP) = 0 [pid 5059] unshare(CLONE_NEWUTS) = 0 [pid 5059] unshare(CLONE_SYSVSEM) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "16777216", 8) = 8 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "536870912", 9) = 9 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "8192", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5059] close(3) = 0 [pid 5059] getpid() = 1 [pid 5059] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<nohomeok > 0) [ 57.177849][ T111] ------------[ cut here ]------------ [ 57.183366][ T111] kernel BUG at fs/jfs/jfs_txnmgr.c:931! [ 57.189214][ T111] invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 57.195654][ T111] CPU: 0 PID: 111 Comm: jfsCommit Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 57.205116][ T111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 57.215185][ T111] RIP: 0010:txUnlock+0xc74/0xca0 [ 57.220115][ T111] Code: 45 08 90 0f 0b e8 cc bf 71 fe 48 c7 c7 40 39 e2 8b 48 c7 c6 39 35 e2 8b ba a3 03 00 00 48 c7 c1 20 46 e2 8b e8 dd 59 45 08 90 <0f> 0b e8 a5 bf 71 fe 48 c7 c7 40 39 e2 8b 48 c7 c6 39 35 e2 8b ba [ 57.239720][ T111] RSP: 0018:ffffc90002d4fce8 EFLAGS: 00010246 [ 57.245780][ T111] RAX: 0000000000000037 RBX: 0000000000000000 RCX: 0451c04f1b5fe600 [ 57.253745][ T111] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.261711][ T111] RBP: ffff88802f23bba0 R08: ffffffff8175c06c R09: 1ffff920005a9f3c [ 57.269676][ T111] R10: dffffc0000000000 R11: fffff520005a9f3d R12: ffff8880247461d0 [ 57.277631][ T111] R13: ffff88801fc96894 R14: ffffc900028a2000 R15: dffffc0000000000 [ 57.285582][ T111] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 57.294499][ T111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.301088][ T111] CR2: 00007f3b03247d78 CR3: 000000002edfc000 CR4: 00000000003506f0 [ 57.309070][ T111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.317054][ T111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.325037][ T111] Call Trace: [ 57.328319][ T111] [ 57.331240][ T111] ? __die_body+0x88/0xe0 [ 57.335564][ T111] ? die+0xcf/0x110 [ 57.339358][ T111] ? do_trap+0x15a/0x3a0 [ 57.343590][ T111] ? txUnlock+0xc74/0xca0 [ 57.347909][ T111] ? do_error_trap+0x1dc/0x2c0 [ 57.352664][ T111] ? txUnlock+0xc74/0xca0 [ 57.356981][ T111] ? __pfx_do_error_trap+0x10/0x10 [ 57.362082][ T111] ? report_bug+0x3e8/0x500 [ 57.366589][ T111] ? handle_invalid_op+0x34/0x40 [ 57.371516][ T111] ? txUnlock+0xc74/0xca0 [ 57.375836][ T111] ? exc_invalid_op+0x38/0x50 [ 57.380500][ T111] ? asm_exc_invalid_op+0x1a/0x20 [ 57.385513][ T111] ? __wake_up_klogd+0xcc/0x110 [ 57.390361][ T111] ? txUnlock+0xc74/0xca0 [ 57.394698][ T111] ? txUnlock+0xc73/0xca0 [ 57.399019][ T111] ? lockdep_hardirqs_on+0x99/0x150 [ 57.404296][ T111] jfs_lazycommit+0x5d9/0xb70 [ 57.408959][ T111] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 57.414845][ T111] ? lockdep_hardirqs_on+0x99/0x150 [ 57.420036][ T111] ? __pfx_jfs_lazycommit+0x10/0x10 [ 57.425220][ T111] ? __pfx_default_wake_function+0x10/0x10 [ 57.431016][ T111] ? __kthread_parkme+0x169/0x1d0 [ 57.436029][ T111] ? __pfx_jfs_lazycommit+0x10/0x10 [ 57.441320][ T111] kthread+0x2f0/0x390 [ 57.445399][ T111] ? __pfx_jfs_lazycommit+0x10/0x10 [ 57.450603][ T111] ? __pfx_kthread+0x10/0x10 [ 57.455192][ T111] ret_from_fork+0x4b/0x80 [ 57.459604][ T111] ? __pfx_kthread+0x10/0x10 [ 57.464186][ T111] ret_from_fork_asm+0x1a/0x30 [ 57.468963][ T111] [ 57.471976][ T111] Modules linked in: [ 57.476295][ T111] ---[ end trace 0000000000000000 ]--- [ 57.482940][ T111] RIP: 0010:txUnlock+0xc74/0xca0 [ 57.487909][ T111] Code: 45 08 90 0f 0b e8 cc bf 71 fe 48 c7 c7 40 39 e2 8b 48 c7 c6 39 35 e2 8b ba a3 03 00 00 48 c7 c1 20 46 e2 8b e8 dd 59 45 08 90 <0f> 0b e8 a5 bf 71 fe 48 c7 c7 40 39 e2 8b 48 c7 c6 39 35 e2 8b ba [ 57.508047][ T111] RSP: 0018:ffffc90002d4fce8 EFLAGS: 00010246 [ 57.514176][ T111] RAX: 0000000000000037 RBX: 0000000000000000 RCX: 0451c04f1b5fe600 [ 57.522314][ T111] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.530877][ T111] RBP: ffff88802f23bba0 R08: ffffffff8175c06c R09: 1ffff920005a9f3c [ 57.539296][ T111] R10: dffffc0000000000 R11: fffff520005a9f3d R12: ffff8880247461d0 [ 57.547265][ T111] R13: ffff88801fc96894 R14: ffffc900028a2000 R15: dffffc0000000000 [ 57.555270][ T111] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 57.564247][ T111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.570882][ T111] CR2: 00007f62ebd95ed8 CR3: 000000002ea32000 CR4: 00000000003506f0 [ 57.578931][ T111] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.586905][ T111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.595120][ T111] Kernel panic - not syncing: Fatal exception [ 57.601459][ T111] Kernel Offset: disabled [ 57.605773][ T111] Rebooting in 86400 seconds..