Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.353018] audit: type=1800 audit(1555622736.880:33): pid=7279 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 37.379352] audit: type=1800 audit(1555622736.880:34): pid=7279 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 40.570759] audit: type=1400 audit(1555622740.100:35): avc: denied { map } for pid=7455 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.23' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 85.981024] audit: type=1400 audit(1555622785.510:36): avc: denied { map } for pid=7467 comm="syz-executor813" path="/root/syz-executor813624798" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 91.738139] WARNING: CPU: 0 PID: 7994 at kernel/events/core.c:1833 perf_group_attach+0x3fd/0x4d0 [ 91.747232] Kernel panic - not syncing: panic_on_warn set ... [ 91.747232] [ 91.754681] CPU: 0 PID: 7994 Comm: syz-executor813 Not tainted 4.19.35 #3 [ 91.762162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.771497] Call Trace: [ 91.774078] dump_stack+0x172/0x1f0 [ 91.777696] panic+0x263/0x51d [ 91.780874] ? __warn_printk+0xf3/0xf3 [ 91.784752] ? perf_group_attach+0x3fd/0x4d0 [ 91.789151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.794677] ? __warn.cold+0x5/0x54 [ 91.798290] ? __warn+0xe8/0x1d0 [ 91.801647] ? perf_group_attach+0x3fd/0x4d0 [ 91.806049] __warn.cold+0x20/0x54 [ 91.809577] ? perf_group_attach+0x3fd/0x4d0 [ 91.813987] report_bug+0x263/0x2b0 [ 91.817603] do_error_trap+0x204/0x360 [ 91.821478] ? math_error+0x340/0x340 [ 91.825296] ? mark_held_locks+0x100/0x100 [ 91.829526] ? error_entry+0x76/0xd0 [ 91.833232] ? trace_hardirqs_off_caller+0x65/0x220 [ 91.838241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 91.843081] do_invalid_op+0x1b/0x20 [ 91.846785] invalid_op+0x14/0x20 [ 91.850245] RIP: 0010:perf_group_attach+0x3fd/0x4d0 [ 91.855258] 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 33 45 ec ff <0f> 0b e9 55 fd ff ff 48 c7 c7 c0 9b b0 88 e8 70 a4 22 00 e9 5b fc [ 91.874158] RSP: 0018:ffff888081bb7a90 EFLAGS: 00010093 [ 91.879516] RAX: ffff888084966480 RBX: ffff888098616cc0 RCX: ffffffff817eecb8 [ 91.886771] RDX: 0000000000000000 RSI: ffffffff817eefdd RDI: ffff888098616ed8 [ 91.894031] RBP: ffff888081bb7ac0 R08: ffff888084966480 R09: ffffed1015d06402 [ 91.901292] R10: ffffed1015d06401 R11: ffff8880ae83200b R12: ffff88809688ac40 [ 91.908549] R13: ffffe8ffffc13eb8 R14: 0000000000000000 R15: ffff8880ae832008 [ 91.915818] ? perf_group_attach+0xd8/0x4d0 [ 91.920132] ? perf_group_attach+0x3fd/0x4d0 [ 91.924539] __perf_install_in_context+0x4b5/0x960 [ 91.929458] ? __perf_event_enable+0x920/0x920 [ 91.934032] ? perf_duration_warn+0x40/0x40 [ 91.938340] remote_function+0x12b/0x1a0 [ 91.942392] generic_exec_single+0x284/0x4b0 [ 91.946793] smp_call_function_single+0x12d/0x420 [ 91.951640] ? perf_duration_warn+0x40/0x40 [ 91.955956] ? generic_exec_single+0x4b0/0x4b0 [ 91.960529] perf_install_in_context+0x369/0x3d0 [ 91.965273] ? list_add_event+0xec0/0xec0 [ 91.969405] ? __perf_event_enable+0x920/0x920 [ 91.974093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.979634] __do_sys_perf_event_open+0x18fa/0x2690 [ 91.984645] ? perf_event_set_output+0x4e0/0x4e0 [ 91.989402] ? find_held_lock+0x35/0x130 [ 91.993465] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.998206] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 92.002957] ? do_syscall_64+0x26/0x610 [ 92.006920] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.012364] ? do_syscall_64+0x26/0x610 [ 92.016329] __x64_sys_perf_event_open+0xbe/0x150 [ 92.021178] do_syscall_64+0x103/0x610 [ 92.025072] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.030252] RIP: 0033:0x446a49 [ 92.033434] 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 [ 92.052666] RSP: 002b:00007fba37ae5db8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 92.060968] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446a49 [ 92.068222] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000 [ 92.075514] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 92.082834] R10: 0000000000000003 R11: 0000000000000246 R12: 00000000006dbc3c [ 92.090087] R13: 00007ffd989a481f R14: 00007fba37ae69c0 R15: 000000000000002d [ 92.098477] Kernel Offset: disabled [ 92.102177] Rebooting in 86400 seconds..