./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2016170525 <...> Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. execve("./syz-executor2016170525", ["./syz-executor2016170525"], 0x7fff3f46f1c0 /* 10 vars */) = 0 brk(NULL) = 0x5555892f0000 brk(0x5555892f0d00) = 0x5555892f0d00 arch_prctl(ARCH_SET_FS, 0x5555892f0380) = 0 set_tid_address(0x5555892f0650) = 5837 set_robust_list(0x5555892f0660, 24) = 0 rseq(0x5555892f0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2016170525", 4096) = 28 getrandom("\xa4\x30\xbe\x5d\xb5\xf8\x57\x17", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555892f0d00 brk(0x555589311d00) = 0x555589311d00 brk(0x555589312000) = 0x555589312000 mprotect(0x7f1c70ae0000, 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 5838 attached [pid 5838] set_robust_list(0x5555892f0660, 24 [pid 5837] <... clone resumed>, child_tidptr=0x5555892f0650) = 5838 [pid 5838] <... set_robust_list resumed>) = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] getppid() = 0 [pid 5838] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5838] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5838] unshare(CLONE_NEWNS) = 0 [pid 5838] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5838] unshare(CLONE_NEWIPC) = 0 [pid 5838] unshare(CLONE_NEWCGROUP) = 0 [pid 5838] unshare(CLONE_NEWUTS) = 0 [pid 5838] unshare(CLONE_SYSVSEM) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "16777216", 8) = 8 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "536870912", 9) = 9 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "8192", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5838] close(3) = 0 [pid 5838] getpid() = 1 [pid 5838] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 73.903909][ T5838] RSP: 0018:ffffc90003e57b80 EFLAGS: 00010246 [ 73.909983][ T5838] RAX: 000000000000002f RBX: ffffffff8ee4ec60 RCX: f6c8d1752a745100 [ 73.917979][ T5838] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 73.925953][ T5838] RBP: 1ffff1100481a0f0 R08: ffffffff8174e6cc R09: 1ffff920007caf0c [ 73.933926][ T5838] R10: dffffc0000000000 R11: fffff520007caf0d R12: ffff8880240d0668 [ 73.941900][ T5838] R13: dffffc0000000000 R14: ffffffff8c495898 R15: ffff8880240d0780 [ 73.949876][ T5838] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 73.958807][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.965393][ T5838] CR2: 00007fff79565b98 CR3: 000000002f3ac000 CR4: 00000000003526f0 [ 73.973371][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.981345][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.989320][ T5838] Call Trace: [ 73.992605][ T5838] [ 73.995538][ T5838] ? __die_body+0x5f/0xb0 [ 73.999879][ T5838] ? die+0x9e/0xc0 [ 74.003602][ T5838] ? do_trap+0x15a/0x3a0 [ 74.007871][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 74.013423][ T5838] ? do_error_trap+0x1dc/0x2c0 [ 74.018197][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 74.023752][ T5838] ? __pfx_do_error_trap+0x10/0x10 [ 74.028886][ T5838] ? report_bug+0x3e8/0x500 [ 74.033417][ T5838] ? handle_invalid_op+0x34/0x40 [ 74.038372][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 74.043944][ T5838] ? exc_invalid_op+0x38/0x50 [ 74.048631][ T5838] ? asm_exc_invalid_op+0x1a/0x20 [ 74.053686][ T5838] ? __wake_up_klogd+0xcc/0x110 [ 74.058560][ T5838] ? generic_shutdown_super+0x2ca/0x2d0 [ 74.064133][ T5838] kill_block_super+0x44/0x90 [ 74.068821][ T5838] deactivate_locked_super+0xc4/0x130 [ 74.074200][ T5838] cleanup_mnt+0x41f/0x4b0 [ 74.078728][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 74.083950][ T5838] task_work_run+0x24f/0x310 [ 74.088562][ T5838] ? kasan_quarantine_put+0xdc/0x230 [ 74.093890][ T5838] ? __pfx_task_work_run+0x10/0x10 [ 74.099016][ T5838] ? do_exit+0xa2a/0x28e0 [ 74.103357][ T5838] ? kmem_cache_free+0x1a2/0x420 [ 74.108302][ T5838] ? do_exit+0xa2a/0x28e0 [ 74.112638][ T5838] do_exit+0xa2f/0x28e0 [ 74.116803][ T5838] ? __pfx_do_exit+0x10/0x10 [ 74.121412][ T5838] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 74.127412][ T5838] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 74.133762][ T5838] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.138971][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 74.144182][ T5838] do_group_exit+0x207/0x2c0 [ 74.148785][ T5838] __x64_sys_exit_group+0x3f/0x40 [ 74.153826][ T5838] x64_sys_call+0x26a8/0x26b0 [ 74.158511][ T5838] do_syscall_64+0xf3/0x230 [ 74.163027][ T5838] ? clear_bhb_loop+0x35/0x90 [ 74.167719][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.173794][ T5838] RIP: 0033:0x7f1c70a65a89 [ 74.178228][ T5838] Code: Unable to access opcode bytes at 0x7f1c70a65a5f. [ 74.185243][ T5838] RSP: 002b:00007ffc2ecf2bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 74.193809][ T5838] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1c70a65a89 [ 74.201813][ T5838] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 74.209811][ T5838] RBP: 00007f1c70ae62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 74.217800][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c70ae62b0 [ 74.225777][ T5838] R13: 0000000000000000 R14: 00007f1c70ae7020 R15: 00007f1c70a33fc0 [ 74.233761][ T5838] [ 74.236790][ T5838] Modules linked in: [ 74.241002][ T5838] ---[ end trace 0000000000000000 ]--- [ 74.246844][ T5838] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 74.253040][ T5838] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 19 16 ed ff 48 8b 13 48 c7 c7 60 dd 18 8c 4c 89 e6 e8 b7 92 ab 09 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 74.272732][ T5838] RSP: 0018:ffffc90003e57b80 EFLAGS: 00010246 [ 74.278891][ T5838] RAX: 000000000000002f RBX: ffffffff8ee4ec60 RCX: f6c8d1752a745100 [ 74.286951][ T5838] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 74.294960][ T5838] RBP: 1ffff1100481a0f0 R08: ffffffff8174e6cc R09: 1ffff920007caf0c [ 74.303049][ T5838] R10: dffffc0000000000 R11: fffff520007caf0d R12: ffff8880240d0668 [ 74.311106][ T5838] R13: dffffc0000000000 R14: ffffffff8c495898 R15: ffff8880240d0780 [ 74.319185][ T5838] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 74.328201][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.334821][ T5838] CR2: 00007fff79565b98 CR3: 000000002f3ac000 CR4: 00000000003526f0 [ 74.342866][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.351017][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.359055][ T5838] Kernel panic - not syncing: Fatal exception [ 74.365457][ T5838] Kernel Offset: disabled [ 74.369782][ T5838] Rebooting in 86400 seconds..