./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2110550037 <...> Warning: Permanently added '10.128.0.189' (ED25519) to the list of known hosts. execve("./syz-executor2110550037", ["./syz-executor2110550037"], 0x7ffe30917a50 /* 10 vars */) = 0 brk(NULL) = 0x555592122000 brk(0x555592122d00) = 0x555592122d00 arch_prctl(ARCH_SET_FS, 0x555592122380) = 0 set_tid_address(0x555592122650) = 5832 set_robust_list(0x555592122660, 24) = 0 rseq(0x555592122ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2110550037", 4096) = 28 getrandom("\x34\xf5\x96\xe1\x41\xd8\x86\x93", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555592122d00 brk(0x555592143d00) = 0x555592143d00 brk(0x555592144000) = 0x555592144000 mprotect(0x7f55e6cb1000, 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, child_tidptr=0x555592122650) = 5833 ./strace-static-x86_64: Process 5833 attached [pid 5833] set_robust_list(0x555592122660, 24) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] getppid() = 0 [pid 5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5833] unshare(CLONE_NEWNS) = 0 [pid 5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5833] unshare(CLONE_NEWIPC) = 0 [pid 5833] unshare(CLONE_NEWCGROUP) = 0 [pid 5833] unshare(CLONE_NEWUTS) = 0 [pid 5833] unshare(CLONE_SYSVSEM) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "16777216", 8) = 8 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "536870912", 9) = 9 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "8192", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5833] close(3) = 0 [pid 5833] getpid() = 1 [pid 5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<nohomeok > 0) [ 61.532720][ T113] ------------[ cut here ]------------ [ 61.538295][ T113] kernel BUG at fs/jfs/jfs_txnmgr.c:931! [ 61.544204][ T113] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 61.551157][ T113] CPU: 0 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.12.0-syzkaller #0 [ 61.559553][ T113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 61.569597][ T113] RIP: 0010:txUnlock+0xd46/0xdb0 [ 61.574543][ T113] Code: e9 0e fe ff ff e8 ea fd 66 fe 48 c7 c7 e0 60 43 8c 48 c7 c6 d9 5c 43 8c ba a3 03 00 00 48 c7 c1 c0 6d 43 8c e8 7b 4c 8e 08 90 <0f> 0b e8 c3 fd 66 fe 48 c7 c7 e0 60 43 8c 48 c7 c6 d9 5c 43 8c ba [ 61.594156][ T113] RSP: 0018:ffffc90002cbfce8 EFLAGS: 00010246 [ 61.600206][ T113] RAX: 0000000000000037 RBX: 1ffff1100efed472 RCX: a74f114a47a4a800 [ 61.608160][ T113] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 61.616114][ T113] RBP: 0000000000000000 R08: ffffffff8174b0dc R09: 1ffff92000597f38 [ 61.624070][ T113] R10: dffffc0000000000 R11: fffff52000597f39 R12: ffff88814e18f1d0 [ 61.632034][ T113] R13: ffffc90002832000 R14: ffff888077f6a390 R15: dffffc0000000000 [ 61.639996][ T113] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.648910][ T113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.655480][ T113] CR2: 00007f55e6cb5130 CR3: 000000007a72c000 CR4: 00000000003526f0 [ 61.663438][ T113] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.671421][ T113] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.679389][ T113] Call Trace: [ 61.682653][ T113] [ 61.685571][ T113] ? __die_body+0x5f/0xb0 [ 61.689903][ T113] ? die+0x9e/0xc0 [ 61.693603][ T113] ? do_trap+0x15a/0x3a0 [ 61.697840][ T113] ? txUnlock+0xd46/0xdb0 [ 61.702150][ T113] ? do_error_trap+0x1dc/0x2c0 [ 61.706899][ T113] ? txUnlock+0xd46/0xdb0 [ 61.711212][ T113] ? __pfx_do_error_trap+0x10/0x10 [ 61.716307][ T113] ? report_bug+0x3e8/0x500 [ 61.720813][ T113] ? handle_invalid_op+0x34/0x40 [ 61.725732][ T113] ? txUnlock+0xd46/0xdb0 [ 61.730039][ T113] ? exc_invalid_op+0x38/0x50 [ 61.734701][ T113] ? asm_exc_invalid_op+0x1a/0x20 [ 61.739709][ T113] ? __wake_up_klogd+0xcc/0x110 [ 61.744546][ T113] ? txUnlock+0xd46/0xdb0 [ 61.748861][ T113] ? txUnlock+0xd45/0xdb0 [ 61.753171][ T113] ? lockdep_hardirqs_on+0x99/0x150 [ 61.758352][ T113] jfs_lazycommit+0x5f4/0xb80 [ 61.763012][ T113] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 61.768890][ T113] ? lockdep_hardirqs_on+0x99/0x150 [ 61.774069][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 61.779251][ T113] ? __pfx_default_wake_function+0x10/0x10 [ 61.785040][ T113] ? __kthread_parkme+0x169/0x1d0 [ 61.790050][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 61.795231][ T113] kthread+0x2f0/0x390 [ 61.799281][ T113] ? __pfx_jfs_lazycommit+0x10/0x10 [ 61.804468][ T113] ? __pfx_kthread+0x10/0x10 [ 61.809038][ T113] ret_from_fork+0x4b/0x80 [ 61.813460][ T113] ? __pfx_kthread+0x10/0x10 [ 61.818046][ T113] ret_from_fork_asm+0x1a/0x30 [ 61.822795][ T113] [ 61.825803][ T113] Modules linked in: [ 61.829801][ T113] ---[ end trace 0000000000000000 ]--- [ 61.835288][ T113] RIP: 0010:txUnlock+0xd46/0xdb0 [ 61.840974][ T113] Code: e9 0e fe ff ff e8 ea fd 66 fe 48 c7 c7 e0 60 43 8c 48 c7 c6 d9 5c 43 8c ba a3 03 00 00 48 c7 c1 c0 6d 43 8c e8 7b 4c 8e 08 90 <0f> 0b e8 c3 fd 66 fe 48 c7 c7 e0 60 43 8c 48 c7 c6 d9 5c 43 8c ba [ 61.860632][ T113] RSP: 0018:ffffc90002cbfce8 EFLAGS: 00010246 [ 61.866763][ T113] RAX: 0000000000000037 RBX: 1ffff1100efed472 RCX: a74f114a47a4a800 [ 61.874734][ T113] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 61.882743][ T113] RBP: 0000000000000000 R08: ffffffff8174b0dc R09: 1ffff92000597f38 [ 61.890759][ T113] R10: dffffc0000000000 R11: fffff52000597f39 R12: ffff88814e18f1d0 [ 61.898785][ T113] R13: ffffc90002832000 R14: ffff888077f6a390 R15: dffffc0000000000 [ 61.906797][ T113] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.915778][ T113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.922380][ T113] CR2: 00007f55e6cb5130 CR3: 000000007a72c000 CR4: 00000000003526f0 [ 61.930420][ T113] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.938441][ T113] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.946483][ T113] Kernel panic - not syncing: Fatal exception [ 61.952789][ T113] Kernel Offset: disabled [ 61.957103][ T113] Rebooting in 86400 seconds..