./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor942827008 <...> Warning: Permanently added '10.128.1.133' (ED25519) to the list of known hosts. execve("./syz-executor942827008", ["./syz-executor942827008"], 0x7ffc3e1518e0 /* 10 vars */) = 0 brk(NULL) = 0x55555cd1f000 brk(0x55555cd1fd00) = 0x55555cd1fd00 arch_prctl(ARCH_SET_FS, 0x55555cd1f380) = 0 set_tid_address(0x55555cd1f650) = 5089 set_robust_list(0x55555cd1f660, 24) = 0 rseq(0x55555cd1fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor942827008", 4096) = 27 getrandom("\x61\xca\x19\xa2\x7c\xa1\x20\xe4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555cd1fd00 brk(0x55555cd40d00) = 0x55555cd40d00 brk(0x55555cd41000) = 0x55555cd41000 mprotect(0x7fd0bbd6d000, 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=0x55555cd1f650) = 5090 ./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x55555cd1f660, 24) = 0 [pid 5090] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setsid() = 1 [pid 5090] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5090] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5090] unshare(CLONE_NEWNS) = 0 [pid 5090] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5090] unshare(CLONE_NEWIPC) = 0 [pid 5090] unshare(CLONE_NEWCGROUP) = 0 [pid 5090] unshare(CLONE_NEWUTS) = 0 [pid 5090] unshare(CLONE_SYSVSEM) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "16777216", 8) = 8 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "536870912", 9) = 9 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "8192", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5090] close(3) = 0 [pid 5090] getpid() = 1 [pid 5090] 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 14 fc ff ff 48 [ 62.874483][ T112] RSP: 0018:ffffc9000252fa58 EFLAGS: 00010293 [ 62.880640][ T112] RAX: ffffffff8326fb8f RBX: 0000000000000155 RCX: ffff888019bf5a00 [ 62.888685][ T112] RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000030056 [ 62.896753][ T112] RBP: ffff8880786ad018 R08: ffffffff8326f7c7 R09: 1ffffd40003c3568 [ 62.904856][ T112] R10: dffffc0000000000 R11: fffff940003c3569 R12: dffffc0000000000 [ 62.913055][ T112] R13: 0000000000000004 R14: ffff8880786ad010 R15: 0000000000030056 [ 62.921189][ T112] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 62.930176][ T112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.936904][ T112] CR2: 00007fd0bbd71130 CR3: 000000000e132000 CR4: 00000000003506f0 [ 62.944892][ T112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.952902][ T112] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.960941][ T112] Call Trace: [ 62.964300][ T112] [ 62.967276][ T112] ? __warn+0x163/0x4e0 [ 62.971452][ T112] ? dbAdjTree+0x420/0x520 [ 62.975862][ T112] ? report_bug+0x2b3/0x500 [ 62.980434][ T112] ? dbAdjTree+0x420/0x520 [ 62.984864][ T112] ? handle_bug+0x3e/0x70 [ 62.989235][ T112] ? exc_invalid_op+0x1a/0x50 [ 62.993942][ T112] ? asm_exc_invalid_op+0x1a/0x20 [ 62.999033][ T112] ? dbAdjTree+0x57/0x520 [ 63.003399][ T112] ? dbAdjTree+0x41f/0x520 [ 63.007871][ T112] ? dbAdjTree+0x420/0x520 [ 63.012300][ T112] ? dbAdjTree+0x41f/0x520 [ 63.016710][ T112] dbJoin+0x255/0x310 [ 63.020736][ T112] dbFreeBits+0x4ef/0xdb0 [ 63.025083][ T112] dbFree+0x35b/0x680 [ 63.029135][ T112] txFreeMap+0x798/0xd50 [ 63.033414][ T112] txUpdateMap+0x342/0x9f0 [ 63.037888][ T112] ? __pfx_txUpdateMap+0x10/0x10 [ 63.042868][ T112] jfs_lazycommit+0x49a/0xb80 [ 63.047601][ T112] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 63.053514][ T112] ? lockdep_hardirqs_on+0x99/0x150 [ 63.058769][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 63.063987][ T112] ? __pfx_default_wake_function+0x10/0x10 [ 63.069838][ T112] ? __kthread_parkme+0x169/0x1d0 [ 63.074876][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 63.080203][ T112] kthread+0x2f0/0x390 [ 63.084291][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 63.089566][ T112] ? __pfx_kthread+0x10/0x10 [ 63.094180][ T112] ret_from_fork+0x4b/0x80 [ 63.098645][ T112] ? __pfx_kthread+0x10/0x10 [ 63.103510][ T112] ret_from_fork_asm+0x1a/0x30 [ 63.108331][ T112] [ 63.111363][ T112] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 63.118714][ T112] CPU: 0 PID: 112 Comm: jfsCommit Not tainted 6.9.0-rc6-next-20240503-syzkaller #0 [ 63.127992][ T112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 63.138135][ T112] Call Trace: [ 63.141404][ T112] [ 63.144354][ T112] dump_stack_lvl+0x241/0x360 [ 63.149034][ T112] ? __pfx_dump_stack_lvl+0x10/0x10 [ 63.154226][ T112] ? __pfx__printk+0x10/0x10 [ 63.158813][ T112] ? _printk+0xd5/0x120 [ 63.162969][ T112] ? vscnprintf+0x5d/0x90 [ 63.167316][ T112] panic+0x349/0x860 [ 63.171219][ T112] ? __warn+0x172/0x4e0 [ 63.175371][ T112] ? __pfx_panic+0x10/0x10 [ 63.179869][ T112] ? show_trace_log_lvl+0x4e6/0x520 [ 63.185073][ T112] ? ret_from_fork_asm+0x1a/0x30 [ 63.190012][ T112] __warn+0x346/0x4e0 [ 63.193993][ T112] ? dbAdjTree+0x420/0x520 [ 63.198403][ T112] report_bug+0x2b3/0x500 [ 63.202730][ T112] ? dbAdjTree+0x420/0x520 [ 63.207162][ T112] handle_bug+0x3e/0x70 [ 63.211314][ T112] exc_invalid_op+0x1a/0x50 [ 63.215814][ T112] asm_exc_invalid_op+0x1a/0x20 [ 63.221095][ T112] RIP: 0010:dbAdjTree+0x420/0x520 [ 63.226113][ T112] Code: 1a 6f fe eb 0c e8 70 1a 6f fe eb 05 e8 69 1a 6f fe 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 51 1a 6f fe 90 <0f> 0b 90 eb e2 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 14 fc ff ff 48 [ 63.245804][ T112] RSP: 0018:ffffc9000252fa58 EFLAGS: 00010293 [ 63.251872][ T112] RAX: ffffffff8326fb8f RBX: 0000000000000155 RCX: ffff888019bf5a00 [ 63.259846][ T112] RDX: 0000000000000000 RSI: 0000000000000155 RDI: 0000000000030056 [ 63.267812][ T112] RBP: ffff8880786ad018 R08: ffffffff8326f7c7 R09: 1ffffd40003c3568 [ 63.275865][ T112] R10: dffffc0000000000 R11: fffff940003c3569 R12: dffffc0000000000 [ 63.283921][ T112] R13: 0000000000000004 R14: ffff8880786ad010 R15: 0000000000030056 [ 63.291907][ T112] ? dbAdjTree+0x57/0x520 [ 63.296231][ T112] ? dbAdjTree+0x41f/0x520 [ 63.300650][ T112] ? dbAdjTree+0x41f/0x520 [ 63.305071][ T112] dbJoin+0x255/0x310 [ 63.309052][ T112] dbFreeBits+0x4ef/0xdb0 [ 63.313386][ T112] dbFree+0x35b/0x680 [ 63.317632][ T112] txFreeMap+0x798/0xd50 [ 63.321882][ T112] txUpdateMap+0x342/0x9f0 [ 63.326303][ T112] ? __pfx_txUpdateMap+0x10/0x10 [ 63.331248][ T112] jfs_lazycommit+0x49a/0xb80 [ 63.335922][ T112] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 63.341829][ T112] ? lockdep_hardirqs_on+0x99/0x150 [ 63.347037][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 63.352235][ T112] ? __pfx_default_wake_function+0x10/0x10 [ 63.358042][ T112] ? __kthread_parkme+0x169/0x1d0 [ 63.363154][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 63.368352][ T112] kthread+0x2f0/0x390 [ 63.372437][ T112] ? __pfx_jfs_lazycommit+0x10/0x10 [ 63.377634][ T112] ? __pfx_kthread+0x10/0x10 [ 63.382237][ T112] ret_from_fork+0x4b/0x80 [ 63.386652][ T112] ? __pfx_kthread+0x10/0x10 [ 63.391255][ T112] ret_from_fork_asm+0x1a/0x30 [ 63.396039][ T112] [ 63.399396][ T112] Kernel Offset: disabled [ 63.403934][ T112] Rebooting in 86400 seconds..