./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1552692767 <...> Warning: Permanently added '10.128.1.24' (ED25519) to the list of known hosts. execve("./syz-executor1552692767", ["./syz-executor1552692767"], 0x7ffd59523640 /* 10 vars */) = 0 brk(NULL) = 0x55555b077000 brk(0x55555b077d00) = 0x55555b077d00 arch_prctl(ARCH_SET_FS, 0x55555b077380) = 0 set_tid_address(0x55555b077650) = 5826 set_robust_list(0x55555b077660, 24) = 0 rseq(0x55555b077ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1552692767", 4096) = 28 getrandom("\x11\xdf\x85\x84\x76\x5d\x85\x26", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b077d00 brk(0x55555b098d00) = 0x55555b098d00 brk(0x55555b099000) = 0x55555b099000 mprotect(0x7f6c43bfd000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached , child_tidptr=0x55555b077650) = 5827 [pid 5827] set_robust_list(0x55555b077660, 24) = 0 [pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5827] getppid() = 0 [pid 5827] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5827] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5827] unshare(CLONE_NEWNS) = 0 [pid 5827] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5827] unshare(CLONE_NEWIPC) = 0 [pid 5827] unshare(CLONE_NEWCGROUP) = 0 [pid 5827] unshare(CLONE_NEWUTS) = 0 [pid 5827] unshare(CLONE_SYSVSEM) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "16777216", 8) = 8 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "536870912", 9) = 9 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "8192", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024", 4) = 4 [pid 5827] close(3) = 0 [pid 5827] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5827] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5827] close(3) = 0 [pid 5827] getpid() = 1 [pid 5827] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.459676][ T1002] RSP: 0018:ffffc90003d0f1c0 EFLAGS: 00010293 [ 79.465752][ T1002] RAX: ffffffff82a0de58 RBX: 0000000000000000 RCX: ffff8880264a0000 [ 79.473728][ T1002] RDX: 0000000000000000 RSI: ffffffff8eb54e40 RDI: 0000000000000000 [ 79.481705][ T1002] RBP: ffffc90003d0f350 R08: 0000000000000007 R09: ffffffff82a0d102 [ 79.489681][ T1002] R10: 0000000000000003 R11: ffff8880264a0000 R12: 1ffff920007a1e3c [ 79.497655][ T1002] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807a3d87d8 [ 79.505628][ T1002] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 79.514558][ T1002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.521148][ T1002] CR2: 00007f6c43c01130 CR3: 0000000077b30000 CR4: 00000000003526f0 [ 79.529303][ T1002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.537277][ T1002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.545248][ T1002] Call Trace: [ 79.548528][ T1002] [ 79.551462][ T1002] ? __die_body+0x5f/0xb0 [ 79.555829][ T1002] ? die+0x9e/0xc0 [ 79.559557][ T1002] ? do_trap+0x15a/0x3a0 [ 79.563806][ T1002] ? hfs_write_inode+0xeb9/0xec0 [ 79.568756][ T1002] ? do_error_trap+0x1dc/0x2c0 [ 79.573523][ T1002] ? hfs_write_inode+0xeb9/0xec0 [ 79.578464][ T1002] ? mark_lock+0x9a/0x360 [ 79.582804][ T1002] ? __pfx_do_error_trap+0x10/0x10 [ 79.587925][ T1002] ? handle_invalid_op+0x34/0x40 [ 79.592869][ T1002] ? hfs_write_inode+0xeb9/0xec0 [ 79.597867][ T1002] ? exc_invalid_op+0x38/0x50 [ 79.602568][ T1002] ? asm_exc_invalid_op+0x1a/0x20 [ 79.607604][ T1002] ? hfs_write_inode+0x162/0xec0 [ 79.612552][ T1002] ? hfs_write_inode+0xeb8/0xec0 [ 79.617498][ T1002] ? hfs_write_inode+0xeb9/0xec0 [ 79.622445][ T1002] ? __pfx_hfs_write_inode+0x10/0x10 [ 79.627779][ T1002] ? __writeback_single_inode+0x48f/0x10d0 [ 79.633592][ T1002] ? do_raw_spin_unlock+0x13c/0x8b0 [ 79.638803][ T1002] __writeback_single_inode+0x708/0x10d0 [ 79.644442][ T1002] writeback_sb_inodes+0x820/0x1360 [ 79.649656][ T1002] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 79.655303][ T1002] ? rcu_is_watching+0x15/0xb0 [ 79.660083][ T1002] ? queue_io+0x3d9/0x5a0 [ 79.664419][ T1002] wb_writeback+0x413/0xb80 [ 79.668927][ T1002] ? queue_io+0x3b1/0x5a0 [ 79.673259][ T1002] ? __pfx_wb_writeback+0x10/0x10 [ 79.678292][ T1002] wb_workfn+0x410/0x1080 [ 79.682643][ T1002] ? __pfx_wb_workfn+0x10/0x10 [ 79.687418][ T1002] ? __pfx_lock_acquire+0x10/0x10 [ 79.692451][ T1002] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 79.698440][ T1002] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.704792][ T1002] ? process_scheduled_works+0x976/0x1840 [ 79.710516][ T1002] process_scheduled_works+0xa66/0x1840 [ 79.716076][ T1002] ? __pfx_process_scheduled_works+0x10/0x10 [ 79.722068][ T1002] ? assign_work+0x364/0x3d0 [ 79.726667][ T1002] worker_thread+0x870/0xd30 [ 79.731268][ T1002] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 79.737170][ T1002] ? __kthread_parkme+0x169/0x1d0 [ 79.742214][ T1002] ? __pfx_worker_thread+0x10/0x10 [ 79.747329][ T1002] kthread+0x7a9/0x920 [ 79.751407][ T1002] ? __pfx_kthread+0x10/0x10 [ 79.756036][ T1002] ? __pfx_worker_thread+0x10/0x10 [ 79.761191][ T1002] ? __pfx_kthread+0x10/0x10 [ 79.765792][ T1002] ? __pfx_kthread+0x10/0x10 [ 79.770478][ T1002] ? __pfx_kthread+0x10/0x10 [ 79.775075][ T1002] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.780279][ T1002] ? lockdep_hardirqs_on+0x99/0x150 [ 79.785489][ T1002] ? __pfx_kthread+0x10/0x10 [ 79.790088][ T1002] ret_from_fork+0x4b/0x80 [ 79.794516][ T1002] ? __pfx_kthread+0x10/0x10 [ 79.799116][ T1002] ret_from_fork_asm+0x1a/0x30 [ 79.803896][ T1002] [ 79.806925][ T1002] Modules linked in: [ 79.810957][ T1002] ---[ end trace 0000000000000000 ]--- [ 79.819224][ T1002] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 79.824849][ T1002] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 d7 91 82 ff e9 93 fb ff ff e8 0d 2a 4d 09 e8 68 7f 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.844818][ T1002] RSP: 0018:ffffc90003d0f1c0 EFLAGS: 00010293 [ 79.851054][ T1002] RAX: ffffffff82a0de58 RBX: 0000000000000000 RCX: ffff8880264a0000 [ 79.859186][ T1002] RDX: 0000000000000000 RSI: ffffffff8eb54e40 RDI: 0000000000000000 [ 79.867341][ T1002] RBP: ffffc90003d0f350 R08: 0000000000000007 R09: ffffffff82a0d102 [ 79.875358][ T1002] R10: 0000000000000003 R11: ffff8880264a0000 R12: 1ffff920007a1e3c [ 79.883558][ T1002] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807a3d87d8 [ 79.891692][ T1002] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 79.900738][ T1002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.907434][ T1002] CR2: 00007f6c43c01130 CR3: 000000007d2d6000 CR4: 00000000003526f0 [ 79.915545][ T1002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.923615][ T1002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.931706][ T1002] Kernel panic - not syncing: Fatal exception [ 79.938029][ T1002] Kernel Offset: disabled [ 79.942371][ T1002] Rebooting in 86400 seconds..