[ 42.513450][ T26] audit: type=1800 audit(1553034620.391:27): pid=7653 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.536367][ T26] audit: type=1800 audit(1553034620.391:28): pid=7653 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.332817][ T26] audit: type=1800 audit(1553034621.281:29): pid=7653 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 121.836669][ C0] WARNING: CPU: 0 PID: 10297 at kernel/events/core.c:1835 perf_group_attach+0x3fd/0x4d0 [ 121.846946][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 121.853580][ C0] CPU: 0 PID: 10297 Comm: syz-executor909 Not tainted 5.1.0-rc1+ #29 [ 121.862056][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.872208][ C0] Call Trace: [ 121.875515][ C0] [ 121.878856][ C0] dump_stack+0x172/0x1f0 [ 121.883300][ C0] ? perf_group_attach+0x390/0x4d0 [ 121.888434][ C0] panic+0x2cb/0x65c [ 121.893546][ C0] ? __warn_printk+0xf3/0xf3 [ 121.898152][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 121.903841][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.910464][ C0] ? __warn.cold+0x5/0x45 [ 121.915873][ C0] ? __warn+0xe8/0x1d0 [ 121.919964][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 121.925186][ C0] __warn.cold+0x20/0x45 [ 121.929635][ C0] ? __lock_acquire+0x548/0x3fb0 [ 121.934770][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 121.939910][ C0] report_bug+0x263/0x2b0 [ 121.944439][ C0] do_error_trap+0x11b/0x200 [ 121.949286][ C0] do_invalid_op+0x37/0x50 [ 121.953902][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 121.959059][ C0] invalid_op+0x14/0x20 [ 121.964015][ C0] RIP: 0010:perf_group_attach+0x3fd/0x4d0 [ 121.969776][ C0] Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 75 57 48 8b 5b 10 48 83 eb 10 49 39 dc 75 d4 e9 20 ff ff ff e8 23 ba eb ff <0f> 0b e9 55 fd ff ff 48 c7 c7 58 5a 5e 89 e8 20 b6 23 00 e9 5b fc [ 121.991653][ C0] RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006 [ 121.997967][ C0] RAX: ffff888099fe4480 RBX: ffff888088cde540 RCX: ffffffff8184b248 [ 122.006386][ C0] RDX: 0000000000010000 RSI: ffffffff8184b56d RDI: ffff888088cde758 [ 122.014870][ C0] RBP: ffff8880ae807ed8 R08: ffff888099fe4480 R09: ffffffff899ba008 [ 122.022875][ C0] R10: ffffffff899ba010 R11: 0000000000000001 R12: ffff88809aec04c0 [ 122.030955][ C0] R13: ffffe8ffffc13780 R14: 0000000000000000 R15: ffff8880ae832048 [ 122.039691][ C0] ? perf_group_attach+0xd8/0x4d0 [ 122.044731][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 122.049863][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 122.055107][ C0] __perf_install_in_context+0x4b5/0x960 [ 122.061393][ C0] ? kvm_clock_read+0x18/0x30 [ 122.066269][ C0] ? __perf_event_enable+0x920/0x920 [ 122.071655][ C0] remote_function+0x12b/0x1a0 [ 122.076642][ C0] ? debug_smp_processor_id+0x3c/0x280 [ 122.082704][ C0] flush_smp_call_function_queue+0x14a/0x500 [ 122.088714][ C0] ? perf_duration_warn+0x40/0x40 [ 122.094033][ C0] generic_smp_call_function_single_interrupt+0x13/0x2b [ 122.101537][ C0] smp_call_function_single_interrupt+0xa3/0x460 [ 122.109537][ C0] call_function_single_interrupt+0xf/0x20 [ 122.115535][ C0] [ 122.118491][ C0] RIP: 0010:generic_exec_single+0x329/0x4b0 [ 122.124479][ C0] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 68 01 00 00 48 83 3d 37 b0 2c 07 00 0f 84 e0 00 00 00 e8 0c 89 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 45 31 ed e9 37 fe ff ff e8 f5 88 0a 00 0f 0b e9 34 [ 122.144775][ C0] RSP: 0018:ffff8880a0257b60 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff04 [ 122.153299][ C0] RAX: ffff888099fe4480 RBX: 0000000000000293 RCX: 1ffff110133fc9a4 [ 122.161728][ C0] RDX: 0000000000000000 RSI: ffffffff8165e684 RDI: 0000000000000293 [ 122.169982][ C0] RBP: ffff8880a0257b90 R08: ffff888099fe4480 R09: ffff888099fe4d20 [ 122.179049][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000200 [ 122.190162][ C0] R13: ffff8880a0257be0 R14: ffff8880a0257cc8 R15: ffffffff8184c970 [ 122.199493][ C0] ? perf_duration_warn+0x40/0x40 [ 122.205269][ C0] ? generic_exec_single+0x324/0x4b0 [ 122.210584][ C0] smp_call_function_single+0x12d/0x420 [ 122.216162][ C0] ? _raw_spin_unlock+0x2d/0x50 [ 122.221041][ C0] ? perf_duration_warn+0x40/0x40 [ 122.226079][ C0] ? generic_exec_single+0x4b0/0x4b0 [ 122.231631][ C0] ? __do_sys_perf_event_open+0x1a5b/0x24e0 [ 122.237638][ C0] perf_install_in_context+0x369/0x3d0 [ 122.243556][ C0] ? list_add_event+0xcd0/0xcd0 [ 122.248509][ C0] ? __perf_event_enable+0x920/0x920 [ 122.254374][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 122.260777][ C0] __do_sys_perf_event_open+0x1858/0x24e0 [ 122.266615][ C0] ? perf_event_set_output+0x4e0/0x4e0 [ 122.272207][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 122.277770][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 122.283682][ C0] ? do_syscall_64+0x26/0x610 [ 122.288633][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.294716][ C0] ? do_syscall_64+0x26/0x610 [ 122.299936][ C0] __x64_sys_perf_event_open+0xbe/0x150 [ 122.305763][ C0] do_syscall_64+0x103/0x610 [ 122.311363][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.317263][ C0] RIP: 0033:0x446a69 [ 122.321169][ C0] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 122.340963][ C0] RSP: 002b:00007f8c8ea5fdb8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 122.349584][ C0] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446a69 [ 122.357647][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 00000000200000c0 [ 122.365791][ C0] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 122.374320][ C0] R10: ffffffffffffffff R11: 0000000000000246 R12: 00000000006dbc3c [ 122.382655][ C0] R13: 00007fff964dff8f R14: 00007f8c8ea609c0 R15: 000000000000002d [ 122.391773][ C0] Kernel Offset: disabled [ 122.396179][ C0] Rebooting in 86400 seconds..