./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1192356726 <...> Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts. execve("./syz-executor1192356726", ["./syz-executor1192356726"], 0x7ffeedb8c450 /* 10 vars */) = 0 brk(NULL) = 0x55558da47000 brk(0x55558da47d00) = 0x55558da47d00 arch_prctl(ARCH_SET_FS, 0x55558da47380) = 0 set_tid_address(0x55558da47650) = 5217 set_robust_list(0x55558da47660, 24) = 0 rseq(0x55558da47ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1192356726", 4096) = 28 getrandom("\x7d\x19\xf5\x17\x50\x95\x87\x02", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558da47d00 brk(0x55558da68d00) = 0x55558da68d00 brk(0x55558da69000) = 0x55558da69000 mprotect(0x7fe6a9244000, 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 5218 attached [pid 5218] set_robust_list(0x55558da47660, 24 [pid 5217] <... clone resumed>, child_tidptr=0x55558da47650) = 5218 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setsid() = 1 [pid 5218] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5218] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5218] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5218] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5218] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5218] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5218] unshare(CLONE_NEWNS) = 0 [pid 5218] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5218] unshare(CLONE_NEWIPC) = 0 [pid 5218] unshare(CLONE_NEWCGROUP) = 0 [pid 5218] unshare(CLONE_NEWUTS) = 0 [pid 5218] unshare(CLONE_SYSVSEM) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "16777216", 8) = 8 [pid 5218] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "536870912", 9) = 9 [pid 5218] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1024", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "8192", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1024", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1024", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5218] close(3) = 0 [pid 5218] getpid() = 1 [pid 5218] 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 [ 56.490130][ T73] RSP: 0018:ffffc900020af260 EFLAGS: 00010293 [ 56.496174][ T73] RAX: ffffffff828699a8 RBX: 0000000000000000 RCX: ffff8880202a8000 [ 56.504123][ T73] RDX: 0000000000000000 RSI: ffffffff8eb67fe0 RDI: 0000000000000000 [ 56.512079][ T73] RBP: ffffc900020af3f0 R08: 0000000000000007 R09: ffffffff82868c52 [ 56.520041][ T73] R10: 0000000000000003 R11: ffff8880202a8000 R12: 1ffff92000415e50 [ 56.527995][ T73] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802e8694d8 [ 56.535952][ T73] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 56.544867][ T73] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.551427][ T73] CR2: 00007fe6a9248130 CR3: 000000000e734000 CR4: 00000000003526f0 [ 56.559376][ T73] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.567325][ T73] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.575277][ T73] Call Trace: [ 56.578537][ T73] [ 56.581448][ T73] ? __die_body+0x5f/0xb0 [ 56.585758][ T73] ? die+0x9e/0xc0 [ 56.589454][ T73] ? do_trap+0x15a/0x3a0 [ 56.593689][ T73] ? hfs_write_inode+0xeb9/0xec0 [ 56.598609][ T73] ? do_error_trap+0x1dc/0x2c0 [ 56.603352][ T73] ? hfs_write_inode+0xeb9/0xec0 [ 56.608266][ T73] ? blk_start_plug+0x53/0x1b0 [ 56.613009][ T73] ? __pfx_do_error_trap+0x10/0x10 [ 56.618099][ T73] ? report_bug+0x3e8/0x500 [ 56.622593][ T73] ? handle_invalid_op+0x34/0x40 [ 56.627527][ T73] ? hfs_write_inode+0xeb9/0xec0 [ 56.632458][ T73] ? exc_invalid_op+0x38/0x50 [ 56.637126][ T73] ? asm_exc_invalid_op+0x1a/0x20 [ 56.642141][ T73] ? hfs_write_inode+0x162/0xec0 [ 56.647057][ T73] ? hfs_write_inode+0xeb8/0xec0 [ 56.651976][ T73] ? hfs_write_inode+0xeb9/0xec0 [ 56.656893][ T73] ? __pfx_hfs_write_inode+0x10/0x10 [ 56.662158][ T73] ? __writeback_single_inode+0x48f/0x10d0 [ 56.667944][ T73] ? do_raw_spin_unlock+0x13c/0x8b0 [ 56.673120][ T73] __writeback_single_inode+0x711/0x10d0 [ 56.678733][ T73] writeback_sb_inodes+0x80c/0x1370 [ 56.683910][ T73] ? __pfx_lock_acquire+0x10/0x10 [ 56.688919][ T73] ? __pfx_lock_release+0x10/0x10 [ 56.693943][ T73] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 56.699560][ T73] ? rcu_is_watching+0x15/0xb0 [ 56.704303][ T73] ? queue_io+0x3d9/0x5a0 [ 56.708610][ T73] wb_writeback+0x41b/0xbd0 [ 56.713091][ T73] ? queue_io+0x331/0x5a0 [ 56.717394][ T73] ? __pfx_wb_writeback+0x10/0x10 [ 56.722394][ T73] wb_workfn+0x410/0x1090 [ 56.726705][ T73] ? __pfx_wb_workfn+0x10/0x10 [ 56.731447][ T73] ? __pfx_lock_acquire+0x10/0x10 [ 56.736453][ T73] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 56.742413][ T73] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 56.748721][ T73] ? process_scheduled_works+0x976/0x1850 [ 56.754418][ T73] process_scheduled_works+0xa63/0x1850 [ 56.759946][ T73] ? __pfx_process_scheduled_works+0x10/0x10 [ 56.765906][ T73] ? assign_work+0x364/0x3d0 [ 56.770476][ T73] worker_thread+0x870/0xd30 [ 56.775050][ T73] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 56.780925][ T73] ? __kthread_parkme+0x169/0x1d0 [ 56.785930][ T73] ? __pfx_worker_thread+0x10/0x10 [ 56.791019][ T73] kthread+0x2f0/0x390 [ 56.795065][ T73] ? __pfx_worker_thread+0x10/0x10 [ 56.800153][ T73] ? __pfx_kthread+0x10/0x10 [ 56.804718][ T73] ret_from_fork+0x4b/0x80 [ 56.809114][ T73] ? __pfx_kthread+0x10/0x10 [ 56.813679][ T73] ret_from_fork_asm+0x1a/0x30 [ 56.818424][ T73] [ 56.821419][ T73] Modules linked in: [ 56.825664][ T73] ---[ end trace 0000000000000000 ]--- [ 56.831468][ T73] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 56.837780][ T73] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 77 db 74 ff e9 93 fb ff ff e8 cd 5c 36 09 e8 58 4d 0e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 56.857655][ T73] RSP: 0018:ffffc900020af260 EFLAGS: 00010293 [ 56.863776][ T73] RAX: ffffffff828699a8 RBX: 0000000000000000 RCX: ffff8880202a8000 [ 56.871808][ T73] RDX: 0000000000000000 RSI: ffffffff8eb67fe0 RDI: 0000000000000000 [ 56.879787][ T73] RBP: ffffc900020af3f0 R08: 0000000000000007 R09: ffffffff82868c52 [ 56.887799][ T73] R10: 0000000000000003 R11: ffff8880202a8000 R12: 1ffff92000415e50 [ 56.895809][ T73] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802e8694d8 [ 56.903820][ T73] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 56.912786][ T73] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.919375][ T73] CR2: 00007fe6a9248130 CR3: 000000000e734000 CR4: 00000000003526f0 [ 56.927390][ T73] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.935400][ T73] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.943404][ T73] Kernel panic - not syncing: Fatal exception [ 56.949679][ T73] Kernel Offset: disabled [ 56.953985][ T73] Rebooting in 86400 seconds..