./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2216411488 <...> Warning: Permanently added '10.128.1.197' (ED25519) to the list of known hosts. execve("./syz-executor2216411488", ["./syz-executor2216411488"], 0x7ffe09f70210 /* 10 vars */) = 0 brk(NULL) = 0x5555714db000 brk(0x5555714dbd00) = 0x5555714dbd00 arch_prctl(ARCH_SET_FS, 0x5555714db380) = 0 set_tid_address(0x5555714db650) = 5857 set_robust_list(0x5555714db660, 24) = 0 rseq(0x5555714dbca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2216411488", 4096) = 28 getrandom("\xe9\x2d\x8d\x17\xda\x2a\xab\x9c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555714dbd00 brk(0x5555714fcd00) = 0x5555714fcd00 brk(0x5555714fd000) = 0x5555714fd000 mprotect(0x7fbf92279000, 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, child_tidptr=0x5555714db650) = 5858 ./strace-static-x86_64: Process 5858 attached [pid 5858] set_robust_list(0x5555714db660, 24) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] getppid() = 0 [pid 5858] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5858] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5858] unshare(CLONE_NEWNS) = 0 [pid 5858] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5858] unshare(CLONE_NEWIPC) = 0 [pid 5858] unshare(CLONE_NEWCGROUP) = 0 [pid 5858] unshare(CLONE_NEWUTS) = 0 [pid 5858] unshare(CLONE_SYSVSEM) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "16777216", 8) = 8 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "536870912", 9) = 9 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1024", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "8192", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1024", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1024", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5858] close(3) = 0 [pid 5858] getpid() = 1 [pid 5858] 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 [ 92.265413][ T59] RSP: 0018:ffffc9000210f180 EFLAGS: 00010293 [ 92.271483][ T59] RAX: ffffffff829b27e7 RBX: ffff88807c378e98 RCX: ffff88801c7e1e00 [ 92.279446][ T59] RDX: 0000000000000000 RSI: ffffffff8e3652a0 RDI: 0000000000000000 [ 92.287413][ T59] RBP: ffffc9000210f310 R08: ffff88801c7e1e00 R09: 0000000000000003 [ 92.295384][ T59] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 92.303350][ T59] R13: 1ffff92000421e34 R14: ffff88807c378e58 R15: 0000000000000000 [ 92.311311][ T59] FS: 0000000000000000(0000) GS:ffff888125cd7000(0000) knlGS:0000000000000000 [ 92.320232][ T59] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.326815][ T59] CR2: 00007fbf9227d130 CR3: 000000003165e000 CR4: 00000000003526f0 [ 92.334794][ T59] Call Trace: [ 92.338111][ T59] [ 92.341042][ T59] ? __pfx_hfs_write_inode+0x10/0x10 [ 92.346343][ T59] __writeback_single_inode+0x6f1/0xff0 [ 92.351898][ T59] writeback_sb_inodes+0x6c7/0x1010 [ 92.357098][ T59] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 92.362739][ T59] ? rcu_is_watching+0x15/0xb0 [ 92.367515][ T59] wb_writeback+0x43b/0xaf0 [ 92.372017][ T59] ? queue_io+0x351/0x590 [ 92.376335][ T59] ? __pfx_wb_writeback+0x10/0x10 [ 92.381358][ T59] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.386570][ T59] wb_workfn+0x409/0xef0 [ 92.390823][ T59] ? __pfx_wb_workfn+0x10/0x10 [ 92.395684][ T59] ? __lock_acquire+0xab9/0xd20 [ 92.400539][ T59] ? process_scheduled_works+0x9ef/0x17b0 [ 92.406261][ T59] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.411472][ T59] ? process_scheduled_works+0x9ef/0x17b0 [ 92.417194][ T59] ? process_scheduled_works+0x9ef/0x17b0 [ 92.422926][ T59] process_scheduled_works+0xade/0x17b0 [ 92.428507][ T59] ? __pfx_process_scheduled_works+0x10/0x10 [ 92.434500][ T59] worker_thread+0x8a0/0xda0 [ 92.439237][ T59] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 92.445582][ T59] ? __kthread_parkme+0x7b/0x200 [ 92.450533][ T59] kthread+0x711/0x8a0 [ 92.454639][ T59] ? __pfx_worker_thread+0x10/0x10 [ 92.459756][ T59] ? __pfx_kthread+0x10/0x10 [ 92.464445][ T59] ? _raw_spin_unlock_irq+0x23/0x50 [ 92.469652][ T59] ? lockdep_hardirqs_on+0x9c/0x150 [ 92.474865][ T59] ? __pfx_kthread+0x10/0x10 [ 92.479464][ T59] ret_from_fork+0x3fc/0x770 [ 92.484088][ T59] ? __pfx_ret_from_fork+0x10/0x10 [ 92.489217][ T59] ? __switch_to_asm+0x39/0x70 [ 92.493993][ T59] ? __switch_to_asm+0x33/0x70 [ 92.498767][ T59] ? __pfx_kthread+0x10/0x10 [ 92.503368][ T59] ret_from_fork_asm+0x1a/0x30 [ 92.508234][ T59] [ 92.511253][ T59] Modules linked in: [ 92.515335][ T59] ---[ end trace 0000000000000000 ]--- [ 92.521133][ T59] RIP: 0010:hfs_write_inode+0x7c8/0x7d0 [ 92.528594][ T59] Code: c1 60 12 b4 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 60 12 b4 99 e8 b3 18 89 ff e9 6c fe ff ff e8 49 84 24 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 92.548327][ T59] RSP: 0018:ffffc9000210f180 EFLAGS: 00010293 [ 92.554433][ T59] RAX: ffffffff829b27e7 RBX: ffff88807c378e98 RCX: ffff88801c7e1e00 [ 92.562885][ T59] RDX: 0000000000000000 RSI: ffffffff8e3652a0 RDI: 0000000000000000 [ 92.570951][ T59] RBP: ffffc9000210f310 R08: ffff88801c7e1e00 R09: 0000000000000003 [ 92.578990][ T59] R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 [ 92.587029][ T59] R13: 1ffff92000421e34 R14: ffff88807c378e58 R15: 0000000000000000 [ 92.595297][ T59] FS: 0000000000000000(0000) GS:ffff888125cd7000(0000) knlGS:0000000000000000 [ 92.604527][ T59] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.611225][ T59] CR2: 00007f3be52564c0 CR3: 000000007e700000 CR4: 00000000003526f0 [ 92.619254][ T59] Kernel panic - not syncing: Fatal exception [ 92.625688][ T59] Kernel Offset: disabled [ 92.630016][ T59] Rebooting in 86400 seconds..