./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2521095672 <...> Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. execve("./syz-executor2521095672", ["./syz-executor2521095672"], 0x7ffd98f652a0 /* 10 vars */) = 0 brk(NULL) = 0x555558da0000 brk(0x555558da0d00) = 0x555558da0d00 arch_prctl(ARCH_SET_FS, 0x555558da0380) = 0 set_tid_address(0x555558da0650) = 5817 set_robust_list(0x555558da0660, 24) = 0 rseq(0x555558da0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2521095672", 4096) = 28 getrandom("\x2e\xc8\x36\xaa\x40\x77\x71\x15", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555558da0d00 brk(0x555558dc1d00) = 0x555558dc1d00 brk(0x555558dc2000) = 0x555558dc2000 mprotect(0x7ffa571ff000, 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 5818 attached [pid 5818] set_robust_list(0x555558da0660, 24 [pid 5817] <... clone resumed>, child_tidptr=0x555558da0650) = 5818 [pid 5818] <... set_robust_list resumed>) = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] getppid() = 0 [pid 5818] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5818] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5818] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5818] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5818] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5818] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5818] unshare(CLONE_NEWNS) = 0 [pid 5818] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5818] unshare(CLONE_NEWIPC) = 0 [pid 5818] unshare(CLONE_NEWCGROUP) = 0 [pid 5818] unshare(CLONE_NEWUTS) = 0 [pid 5818] unshare(CLONE_SYSVSEM) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "16777216", 8) = 8 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "536870912", 9) = 9 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1024", 4) = 4 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "8192", 4) = 4 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1024", 4) = 4 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1024", 4) = 4 [pid 5818] close(3) = 0 [pid 5818] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5818] close(3) = 0 [pid 5818] getpid() = 1 [pid 5818] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 92.110130][ T69] RSP: 0018:ffffc90001577220 EFLAGS: 00010293 [ 92.116208][ T69] RAX: ffffffff8295a187 RBX: ffff88807bb21518 RCX: ffff88801c338000 [ 92.124182][ T69] RDX: 0000000000000000 RSI: ffffffff8e15ff40 RDI: 0000000000000000 [ 92.132180][ T69] RBP: ffffc900015773b0 R08: ffff88801c338000 R09: 0000000000000003 [ 92.140154][ T69] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 92.148126][ T69] R13: 1ffff920002aee48 R14: ffff88807bb214d8 R15: 0000000000000000 [ 92.156107][ T69] FS: 0000000000000000(0000) GS:ffff888126200000(0000) knlGS:0000000000000000 [ 92.165085][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.171857][ T69] CR2: 00005653738c5cf8 CR3: 000000007c824000 CR4: 00000000003526f0 [ 92.179864][ T69] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.187962][ T69] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.195989][ T69] Call Trace: [ 92.199384][ T69] [ 92.202332][ T69] ? __pfx_hfs_write_inode+0x10/0x10 [ 92.207651][ T69] __writeback_single_inode+0x6ee/0xff0 [ 92.213227][ T69] writeback_sb_inodes+0x6b5/0x1000 [ 92.218530][ T69] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 92.224184][ T69] ? rcu_is_watching+0x15/0xb0 [ 92.228962][ T69] wb_writeback+0x43b/0xaf0 [ 92.233739][ T69] ? queue_io+0x391/0x590 [ 92.238171][ T69] ? __pfx_wb_writeback+0x10/0x10 [ 92.243211][ T69] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.248498][ T69] wb_workfn+0x409/0xef0 [ 92.252755][ T69] ? __pfx_wb_workfn+0x10/0x10 [ 92.257615][ T69] ? register_lock_class+0x51/0x320 [ 92.263026][ T69] ? __lock_acquire+0xaac/0xd20 [ 92.267903][ T69] ? process_scheduled_works+0x9ec/0x17a0 [ 92.273756][ T69] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.279075][ T69] ? process_scheduled_works+0x9ec/0x17a0 [ 92.284912][ T69] ? process_scheduled_works+0x9ec/0x17a0 [ 92.290734][ T69] process_scheduled_works+0xadb/0x17a0 [ 92.296313][ T69] ? __pfx_process_scheduled_works+0x10/0x10 [ 92.302371][ T69] worker_thread+0x8a0/0xda0 [ 92.306995][ T69] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 92.313436][ T69] ? __kthread_parkme+0x7b/0x200 [ 92.318395][ T69] kthread+0x70e/0x8a0 [ 92.322492][ T69] ? __pfx_worker_thread+0x10/0x10 [ 92.327612][ T69] ? __pfx_kthread+0x10/0x10 [ 92.332298][ T69] ? __pfx_kthread+0x10/0x10 [ 92.336896][ T69] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.342324][ T69] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.347546][ T69] ? __pfx_kthread+0x10/0x10 [ 92.352146][ T69] ret_from_fork+0x4b/0x80 [ 92.356576][ T69] ? __pfx_kthread+0x10/0x10 [ 92.361196][ T69] ret_from_fork_asm+0x1a/0x30 [ 92.366022][ T69] [ 92.369149][ T69] Modules linked in: [ 92.373343][ T69] ---[ end trace 0000000000000000 ]--- [ 92.379140][ T69] RIP: 0010:hfs_write_inode+0x7c8/0x7d0 [ 92.384756][ T69] Code: c1 c0 65 81 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 c0 65 81 99 e8 13 ed 89 ff e9 6c fe ff ff e8 d9 1d 2a ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 92.404903][ T69] RSP: 0018:ffffc90001577220 EFLAGS: 00010293 [ 92.412607][ T69] RAX: ffffffff8295a187 RBX: ffff88807bb21518 RCX: ffff88801c338000 [ 92.420723][ T69] RDX: 0000000000000000 RSI: ffffffff8e15ff40 RDI: 0000000000000000 [ 92.428870][ T69] RBP: ffffc900015773b0 R08: ffff88801c338000 R09: 0000000000000003 [ 92.437139][ T69] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 92.445188][ T69] R13: 1ffff920002aee48 R14: ffff88807bb214d8 R15: 0000000000000000 [ 92.453398][ T69] FS: 0000000000000000(0000) GS:ffff888126200000(0000) knlGS:0000000000000000 [ 92.462424][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.469174][ T69] CR2: 00005653738c5cf8 CR3: 0000000032a04000 CR4: 00000000003526f0 [ 92.477359][ T69] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.485534][ T69] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.493600][ T69] Kernel panic - not syncing: Fatal exception [ 92.500005][ T69] Kernel Offset: disabled [ 92.504336][ T69] Rebooting in 86400 seconds..