./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor513927661 <...> Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts. execve("./syz-executor513927661", ["./syz-executor513927661"], 0x7fff612fb0c0 /* 10 vars */) = 0 brk(NULL) = 0x5555770a9000 brk(0x5555770a9d00) = 0x5555770a9d00 arch_prctl(ARCH_SET_FS, 0x5555770a9380) = 0 set_tid_address(0x5555770a9650) = 5828 set_robust_list(0x5555770a9660, 24) = 0 rseq(0x5555770a9ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor513927661", 4096) = 27 getrandom("\x04\x5e\x8b\x5c\x53\x72\x0a\xe5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555770a9d00 brk(0x5555770cad00) = 0x5555770cad00 brk(0x5555770cb000) = 0x5555770cb000 mprotect(0x7f0872e3e000, 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./strace-static-x86_64: Process 5829 attached [pid 5829] set_robust_list(0x5555770a9660, 24 [pid 5828] <... clone resumed>, child_tidptr=0x5555770a9650) = 5829 [pid 5829] <... set_robust_list resumed>) = 0 [pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] getppid() = 0 [pid 5829] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5829] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5829] unshare(CLONE_NEWNS) = 0 [pid 5829] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5829] unshare(CLONE_NEWIPC) = 0 [pid 5829] unshare(CLONE_NEWCGROUP) = 0 [pid 5829] unshare(CLONE_NEWUTS) = 0 [pid 5829] unshare(CLONE_SYSVSEM) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "16777216", 8) = 8 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "536870912", 9) = 9 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "8192", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024", 4) = 4 [pid 5829] close(3) = 0 [pid 5829] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5829] close(3) = 0 [pid 5829] getpid() = 1 [pid 5829] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 eb e2 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b1 fb ff ff 48 [ 74.252072][ T117] RSP: 0018:ffffc90002dc79b0 EFLAGS: 00010293 [ 74.258271][ T117] RAX: ffffffff835b61d2 RBX: 0000000000000155 RCX: ffff88801f74bc00 [ 74.266283][ T117] RDX: 0000000000000000 RSI: 0000000000000155 RDI: 000000005ff20056 [ 74.274261][ T117] RBP: ffff88807ef96018 R08: ffffffff835b5da7 R09: 1ffffd40003f7cb0 [ 74.282285][ T117] R10: dffffc0000000000 R11: fffff940003f7cb1 R12: 000000005ff20056 [ 74.290280][ T117] R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88807ef96010 [ 74.298266][ T117] FS: 0000000000000000(0000) GS:ffff8881250cf000(0000) knlGS:0000000000000000 [ 74.307213][ T117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.313781][ T117] CR2: 00007ffddb4e5000 CR3: 000000000eb38000 CR4: 00000000003526f0 [ 74.321947][ T117] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.329940][ T117] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.337944][ T117] Call Trace: [ 74.341225][ T117] [ 74.344136][ T117] ? __pfx_lock_metapage+0x10/0x10 [ 74.349269][ T117] ? folio_mark_accessed+0x2d2/0xa40 [ 74.354566][ T117] dbJoin+0x255/0x310 [ 74.358579][ T117] dbFreeBits+0x4ea/0xdd0 [ 74.362919][ T117] dbFree+0x35c/0x680 [ 74.366934][ T117] txFreeMap+0x798/0xd50 [ 74.371185][ T117] txUpdateMap+0x353/0xb20 [ 74.375638][ T117] ? __pfx_txUpdateMap+0x10/0x10 [ 74.380584][ T117] ? schedule+0x90/0x360 [ 74.384863][ T117] jfs_lazycommit+0x49c/0xba0 [ 74.389607][ T117] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 74.395553][ T117] ? lockdep_hardirqs_on+0x9d/0x150 [ 74.400762][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 74.406002][ T117] ? __pfx_default_wake_function+0x10/0x10 [ 74.411845][ T117] ? __kthread_parkme+0x1a8/0x200 [ 74.416901][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 74.422107][ T117] kthread+0x7b7/0x940 [ 74.426207][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 74.431410][ T117] ? __pfx_kthread+0x10/0x10 [ 74.436030][ T117] ? __pfx_kthread+0x10/0x10 [ 74.440620][ T117] ? __pfx_kthread+0x10/0x10 [ 74.445195][ T117] ? __pfx_kthread+0x10/0x10 [ 74.449812][ T117] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.455102][ T117] ? lockdep_hardirqs_on+0x9d/0x150 [ 74.460346][ T117] ? __pfx_kthread+0x10/0x10 [ 74.464944][ T117] ret_from_fork+0x4b/0x80 [ 74.469517][ T117] ? __pfx_kthread+0x10/0x10 [ 74.474123][ T117] ret_from_fork_asm+0x1a/0x30 [ 74.478931][ T117] [ 74.481970][ T117] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.489250][ T117] CPU: 1 UID: 0 PID: 117 Comm: jfsCommit Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full) [ 74.501042][ T117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 74.511089][ T117] Call Trace: [ 74.514358][ T117] [ 74.517288][ T117] dump_stack_lvl+0x241/0x360 [ 74.521958][ T117] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.527143][ T117] ? __pfx__printk+0x10/0x10 [ 74.531748][ T117] ? vscnprintf+0x5d/0x90 [ 74.536084][ T117] panic+0x349/0x880 [ 74.539983][ T117] ? __warn+0x174/0x4d0 [ 74.544139][ T117] ? __pfx_panic+0x10/0x10 [ 74.548557][ T117] ? ret_from_fork_asm+0x1a/0x30 [ 74.553493][ T117] __warn+0x344/0x4d0 [ 74.557460][ T117] ? dbAdjTree+0x483/0x590 [ 74.561887][ T117] report_bug+0x2b3/0x500 [ 74.566215][ T117] ? dbAdjTree+0x483/0x590 [ 74.570632][ T117] ? dbAdjTree+0x483/0x590 [ 74.575045][ T117] ? dbAdjTree+0x485/0x590 [ 74.579455][ T117] handle_bug+0x89/0x170 [ 74.583696][ T117] exc_invalid_op+0x1a/0x50 [ 74.588190][ T117] asm_exc_invalid_op+0x1a/0x20 [ 74.593028][ T117] RIP: 0010:dbAdjTree+0x483/0x590 [ 74.598045][ T117] Code: 5a 67 fe eb 0c e8 ad 5a 67 fe eb 05 e8 a6 5a 67 fe 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 8e 5a 67 fe 90 <0f> 0b 90 eb e2 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c b1 fb ff ff 48 [ 74.617637][ T117] RSP: 0018:ffffc90002dc79b0 EFLAGS: 00010293 [ 74.623693][ T117] RAX: ffffffff835b61d2 RBX: 0000000000000155 RCX: ffff88801f74bc00 [ 74.631650][ T117] RDX: 0000000000000000 RSI: 0000000000000155 RDI: 000000005ff20056 [ 74.639604][ T117] RBP: ffff88807ef96018 R08: ffffffff835b5da7 R09: 1ffffd40003f7cb0 [ 74.647561][ T117] R10: dffffc0000000000 R11: fffff940003f7cb1 R12: 000000005ff20056 [ 74.655517][ T117] R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88807ef96010 [ 74.663478][ T117] ? dbAdjTree+0x57/0x590 [ 74.667795][ T117] ? dbAdjTree+0x482/0x590 [ 74.672205][ T117] ? __pfx_lock_metapage+0x10/0x10 [ 74.677304][ T117] ? folio_mark_accessed+0x2d2/0xa40 [ 74.682582][ T117] dbJoin+0x255/0x310 [ 74.686558][ T117] dbFreeBits+0x4ea/0xdd0 [ 74.690882][ T117] dbFree+0x35c/0x680 [ 74.694859][ T117] txFreeMap+0x798/0xd50 [ 74.699095][ T117] txUpdateMap+0x353/0xb20 [ 74.703506][ T117] ? __pfx_txUpdateMap+0x10/0x10 [ 74.708430][ T117] ? schedule+0x90/0x360 [ 74.712671][ T117] jfs_lazycommit+0x49c/0xba0 [ 74.717335][ T117] ? _raw_spin_unlock_irqrestore+0x90/0x140 [ 74.723219][ T117] ? lockdep_hardirqs_on+0x9d/0x150 [ 74.728408][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 74.733594][ T117] ? __pfx_default_wake_function+0x10/0x10 [ 74.739392][ T117] ? __kthread_parkme+0x1a8/0x200 [ 74.744407][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 74.749593][ T117] kthread+0x7b7/0x940 [ 74.753649][ T117] ? __pfx_jfs_lazycommit+0x10/0x10 [ 74.758834][ T117] ? __pfx_kthread+0x10/0x10 [ 74.763410][ T117] ? __pfx_kthread+0x10/0x10 [ 74.767988][ T117] ? __pfx_kthread+0x10/0x10 [ 74.772566][ T117] ? __pfx_kthread+0x10/0x10 [ 74.777142][ T117] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.782329][ T117] ? lockdep_hardirqs_on+0x9d/0x150 [ 74.787513][ T117] ? __pfx_kthread+0x10/0x10 [ 74.792099][ T117] ret_from_fork+0x4b/0x80 [ 74.796536][ T117] ? __pfx_kthread+0x10/0x10 [ 74.801134][ T117] ret_from_fork_asm+0x1a/0x30 [ 74.805901][ T117] [ 74.809040][ T117] Kernel Offset: disabled [ 74.813357][ T117] Rebooting in 86400 seconds..