./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1200932122 <...> Warning: Permanently added '10.128.0.35' (ED25519) to the list of known hosts. execve("./syz-executor1200932122", ["./syz-executor1200932122"], 0x7ffc64c7e040 /* 10 vars */) = 0 brk(NULL) = 0x55556bfbd000 brk(0x55556bfbdd00) = 0x55556bfbdd00 arch_prctl(ARCH_SET_FS, 0x55556bfbd380) = 0 set_tid_address(0x55556bfbd650) = 5819 set_robust_list(0x55556bfbd660, 24) = 0 rseq(0x55556bfbdca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1200932122", 4096) = 28 getrandom("\x18\x72\x76\x51\xa5\x2f\x49\xa8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556bfbdd00 brk(0x55556bfded00) = 0x55556bfded00 brk(0x55556bfdf000) = 0x55556bfdf000 mprotect(0x7f625614a000, 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./strace-static-x86_64: Process 5820 attached [pid 5820] set_robust_list(0x55556bfbd660, 24 [pid 5819] <... clone resumed>, child_tidptr=0x55556bfbd650) = 5820 [pid 5820] <... set_robust_list resumed>) = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] getppid() = 0 [pid 5820] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5820] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5820] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5820] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5820] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5820] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5820] unshare(CLONE_NEWNS) = 0 [pid 5820] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5820] unshare(CLONE_NEWIPC) = 0 [pid 5820] unshare(CLONE_NEWCGROUP) = 0 [pid 5820] unshare(CLONE_NEWUTS) = 0 [pid 5820] unshare(CLONE_SYSVSEM) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "16777216", 8) = 8 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "536870912", 9) = 9 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1024", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "8192", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1024", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1024", 4) = 4 [pid 5820] close(3) = 0 [pid 5820] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5820] close(3) = 0 [pid 5820] getpid() = 1 [pid 5820] 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 [ 77.181621][ T3540] RSP: 0018:ffffc9000ce97260 EFLAGS: 00010293 [ 77.187707][ T3540] RAX: ffffffff8280e968 RBX: 0000000000000000 RCX: ffff8880321a0000 [ 77.195679][ T3540] RDX: 0000000000000000 RSI: ffffffff8eb51ee0 RDI: 0000000000000000 [ 77.203734][ T3540] RBP: ffffc9000ce973f0 R08: 0000000000000007 R09: ffffffff8280dc12 [ 77.211791][ T3540] R10: 0000000000000003 R11: ffff8880321a0000 R12: 1ffff920019d2e50 [ 77.219763][ T3540] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807a0c0e58 [ 77.227736][ T3540] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 77.236663][ T3540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.243242][ T3540] CR2: 00007f625614e130 CR3: 00000000771a2000 CR4: 00000000003526f0 [ 77.251319][ T3540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.259300][ T3540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.267296][ T3540] Call Trace: [ 77.270582][ T3540] [ 77.273512][ T3540] ? __die_body+0x5f/0xb0 [ 77.277870][ T3540] ? die+0x9e/0xc0 [ 77.281595][ T3540] ? do_trap+0x15a/0x3a0 [ 77.285847][ T3540] ? hfs_write_inode+0xeb9/0xec0 [ 77.290802][ T3540] ? do_error_trap+0x1dc/0x2c0 [ 77.295581][ T3540] ? hfs_write_inode+0xeb9/0xec0 [ 77.300523][ T3540] ? mark_lock+0x9a/0x360 [ 77.304948][ T3540] ? __pfx_do_error_trap+0x10/0x10 [ 77.310072][ T3540] ? handle_invalid_op+0x34/0x40 [ 77.315016][ T3540] ? hfs_write_inode+0xeb9/0xec0 [ 77.319973][ T3540] ? exc_invalid_op+0x38/0x50 [ 77.324674][ T3540] ? asm_exc_invalid_op+0x1a/0x20 [ 77.329721][ T3540] ? hfs_write_inode+0x162/0xec0 [ 77.334672][ T3540] ? hfs_write_inode+0xeb8/0xec0 [ 77.339639][ T3540] ? hfs_write_inode+0xeb9/0xec0 [ 77.344583][ T3540] ? __pfx_hfs_write_inode+0x10/0x10 [ 77.349897][ T3540] ? __writeback_single_inode+0x48f/0x10d0 [ 77.355711][ T3540] ? do_raw_spin_unlock+0x13c/0x8b0 [ 77.360922][ T3540] __writeback_single_inode+0x708/0x10d0 [ 77.366559][ T3540] writeback_sb_inodes+0x820/0x1360 [ 77.371796][ T3540] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 77.377487][ T3540] ? rcu_is_watching+0x15/0xb0 [ 77.382262][ T3540] ? queue_io+0x3d9/0x5a0 [ 77.386610][ T3540] wb_writeback+0x413/0xb80 [ 77.391157][ T3540] ? queue_io+0x351/0x5a0 [ 77.395533][ T3540] ? __pfx_wb_writeback+0x10/0x10 [ 77.400592][ T3540] wb_workfn+0x410/0x1080 [ 77.404932][ T3540] ? __pfx_wb_workfn+0x10/0x10 [ 77.409714][ T3540] ? __pfx_lock_acquire+0x10/0x10 [ 77.414739][ T3540] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 77.420719][ T3540] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 77.427052][ T3540] ? process_scheduled_works+0x976/0x1840 [ 77.432780][ T3540] process_scheduled_works+0xa66/0x1840 [ 77.438347][ T3540] ? __pfx_process_scheduled_works+0x10/0x10 [ 77.444334][ T3540] ? assign_work+0x364/0x3d0 [ 77.448935][ T3540] worker_thread+0x870/0xd30 [ 77.453526][ T3540] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 77.459424][ T3540] ? __kthread_parkme+0x169/0x1d0 [ 77.464445][ T3540] ? __pfx_worker_thread+0x10/0x10 [ 77.469640][ T3540] kthread+0x2f0/0x390 [ 77.473729][ T3540] ? __pfx_worker_thread+0x10/0x10 [ 77.478837][ T3540] ? __pfx_kthread+0x10/0x10 [ 77.483430][ T3540] ret_from_fork+0x4b/0x80 [ 77.487868][ T3540] ? __pfx_kthread+0x10/0x10 [ 77.492562][ T3540] ret_from_fork_asm+0x1a/0x30 [ 77.497341][ T3540] [ 77.500355][ T3540] Modules linked in: [ 77.504442][ T3540] ---[ end trace 0000000000000000 ]--- [ 77.510479][ T3540] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 77.516143][ T3540] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 77 68 82 ff e9 93 fb ff ff e8 6d 40 40 09 e8 b8 88 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 [ 77.536122][ T3540] RSP: 0018:ffffc9000ce97260 EFLAGS: 00010293 [ 77.542232][ T3540] RAX: ffffffff8280e968 RBX: 0000000000000000 RCX: ffff8880321a0000 [ 77.553925][ T3540] RDX: 0000000000000000 RSI: ffffffff8eb51ee0 RDI: 0000000000000000 [ 77.561998][ T3540] RBP: ffffc9000ce973f0 R08: 0000000000000007 R09: ffffffff8280dc12 [ 77.570096][ T3540] R10: 0000000000000003 R11: ffff8880321a0000 R12: 1ffff920019d2e50 [ 77.578171][ T3540] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807a0c0e58 [ 77.586233][ T3540] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 77.595295][ T3540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.601966][ T3540] CR2: 0000000022487538 CR3: 000000000e736000 CR4: 00000000003526f0 [ 77.610033][ T3540] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.618116][ T3540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.626191][ T3540] Kernel panic - not syncing: Fatal exception [ 77.632584][ T3540] Kernel Offset: disabled [ 77.636913][ T3540] Rebooting in 86400 seconds..