Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 41.375118][ T24] audit: type=1800 audit(1555079070.903:33): pid=7666 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=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 45.317256][ T24] kauditd_printk_skb: 1 callbacks suppressed [ 45.317269][ T24] audit: type=1400 audit(1555079074.843:35): avc: denied { map } for pid=7842 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 '10.128.0.60' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 51.887219][ T24] audit: type=1400 audit(1555079081.413:36): avc: denied { map } for pid=7854 comm="syz-executor077" path="/root/syz-executor077635697" dev="sda1" ino=16484 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 [ 56.808467][ C0] WARNING: CPU: 0 PID: 8302 at kernel/events/core.c:1835 perf_group_attach+0x3fd/0x4d0 [ 56.818268][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 56.824841][ C0] CPU: 0 PID: 8302 Comm: syz-executor077 Not tainted 5.1.0-rc4+ #64 [ 56.832793][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.842827][ C0] Call Trace: [ 56.846099][ C0] [ 56.848940][ C0] dump_stack+0x172/0x1f0 [ 56.853252][ C0] ? perf_group_attach+0x340/0x4d0 [ 56.858344][ C0] panic+0x2cb/0x65c [ 56.862220][ C0] ? __warn_printk+0xf3/0xf3 [ 56.866792][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 56.871886][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.878107][ C0] ? __warn.cold+0x5/0x45 [ 56.882417][ C0] ? __warn+0xe8/0x1d0 [ 56.886470][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 56.891564][ C0] __warn.cold+0x20/0x45 [ 56.895791][ C0] ? __lock_acquire+0x548/0x3fb0 [ 56.900711][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 56.905806][ C0] report_bug+0x263/0x2b0 [ 56.910121][ C0] do_error_trap+0x11b/0x200 [ 56.914693][ C0] do_invalid_op+0x37/0x50 [ 56.919091][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 56.924185][ C0] invalid_op+0x14/0x20 [ 56.928330][ C0] RIP: 0010:perf_group_attach+0x3fd/0x4d0 [ 56.934029][ 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 43 b4 eb ff <0f> 0b e9 55 fd ff ff 48 c7 c7 18 61 5e 89 e8 c0 bb 23 00 e9 5b fc [ 56.953785][ C0] RSP: 0018:ffff8880ae807ea8 EFLAGS: 00010006 [ 56.959832][ C0] RAX: ffff888095862180 RBX: ffff888090f13240 RCX: ffffffff8184d798 [ 56.967782][ C0] RDX: 0000000000010000 RSI: ffffffff8184dabd RDI: ffff888090f13458 [ 56.975735][ C0] RBP: ffff8880ae807ed8 R08: ffff888095862180 R09: ffffed1015d00fcb [ 56.983687][ C0] R10: ffffed1015d00fca R11: 0000000000000003 R12: ffff8880916a8100 [ 56.991637][ C0] R13: ffffe8ffffc15980 R14: 0000000000000000 R15: ffff8880ae832048 [ 56.999604][ C0] ? perf_group_attach+0xd8/0x4d0 [ 57.005563][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 57.010668][ C0] ? perf_group_attach+0x3fd/0x4d0 [ 57.015772][ C0] __perf_install_in_context+0x4b5/0x960 [ 57.021388][ C0] ? kvm_clock_read+0x18/0x30 [ 57.026134][ C0] ? __perf_event_enable+0x920/0x920 [ 57.031419][ C0] remote_function+0x12b/0x1a0 [ 57.036166][ C0] ? debug_smp_processor_id+0x3c/0x280 [ 57.041611][ C0] flush_smp_call_function_queue+0x14a/0x500 [ 57.047573][ C0] ? perf_duration_warn+0x40/0x40 [ 57.052583][ C0] generic_smp_call_function_single_interrupt+0x13/0x2b [ 57.059498][ C0] smp_call_function_single_interrupt+0xa3/0x460 [ 57.065809][ C0] call_function_single_interrupt+0xf/0x20 [ 57.071702][ C0] [ 57.074623][ C0] RIP: 0010:vsnprintf+0x51/0x1af0 [ 57.079633][ C0] Code: 8d 70 ff ff ff 48 89 c1 48 89 85 30 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 01 c8 48 89 bd 48 ff ff ff 48 89 b5 40 ff ff ff <48> c7 85 78 ff ff ff b3 8a b5 41 48 c7 45 80 48 3e 6b 88 48 c7 45 [ 57.099235][ C0] RSP: 0018:ffff888096b377c8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 57.107630][ C0] RAX: ffffed1012d66f03 RBX: 000000000000000b RCX: 1ffff11012d66f03 [ 57.115582][ C0] RDX: ffffffff8776e140 RSI: 000000000000000b RDI: ffff888096b37a18 [ 57.123533][ C0] RBP: ffff888096b378a0 R08: ffff888095862180 R09: 0000000000000001 [ 57.131486][ C0] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffffffff8776e140 [ 57.139440][ C0] R13: 000000000000000b R14: ffffffff8776e140 R15: 0000000000002069 [ 57.147418][ C0] ? rcu_read_unlock+0x37/0xa0 [ 57.152166][ C0] ? find_held_lock+0x35/0x130 [ 57.156916][ C0] snprintf+0xbb/0xf0 [ 57.160876][ C0] ? vsprintf+0x40/0x40 [ 57.165027][ C0] ? perf_lock_task_context+0x583/0x6e0 [ 57.170558][ C0] ? perf_pin_task_context+0x73/0x100 [ 57.175922][ C0] ? perf_lock_task_context+0x583/0x6e0 [ 57.181473][ C0] proc_flush_task+0x248/0x4d0 [ 57.186223][ C0] ? tgid_pidfd_to_pid+0x140/0x140 [ 57.191334][ C0] ? lock_downgrade+0x880/0x880 [ 57.196164][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.202387][ C0] ? kasan_check_read+0x11/0x20 [ 57.207220][ C0] release_task+0x18c/0x1630 [ 57.211790][ C0] ? _raw_write_unlock_irq+0x28/0x90 [ 57.217063][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 57.222327][ C0] ? trace_hardirqs_on+0x67/0x230 [ 57.227333][ C0] do_exit+0x14f9/0x2fa0 [ 57.231557][ C0] ? get_signal+0x331/0x1d50 [ 57.236132][ C0] ? mm_update_next_owner+0x640/0x640 [ 57.241484][ C0] ? kasan_check_write+0x14/0x20 [ 57.246401][ C0] ? _raw_spin_unlock_irq+0x28/0x90 [ 57.251577][ C0] ? get_signal+0x331/0x1d50 [ 57.256149][ C0] ? _raw_spin_unlock_irq+0x28/0x90 [ 57.261331][ C0] do_group_exit+0x135/0x370 [ 57.265906][ C0] get_signal+0x399/0x1d50 [ 57.270307][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.276527][ C0] ? __fd_install+0x200/0x640 [ 57.281190][ C0] do_signal+0x87/0x1940 [ 57.285419][ C0] ? setup_sigcontext+0x7d0/0x7d0 [ 57.290421][ C0] ? perf_event_set_output+0x4e0/0x4e0 [ 57.295865][ C0] ? exit_to_usermode_loop+0x43/0x2c0 [ 57.301215][ C0] ? do_syscall_64+0x52d/0x610 [ 57.305959][ C0] ? exit_to_usermode_loop+0x43/0x2c0 [ 57.311312][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 57.316577][ C0] ? trace_hardirqs_on+0x67/0x230 [ 57.321791][ C0] exit_to_usermode_loop+0x244/0x2c0 [ 57.327063][ C0] do_syscall_64+0x52d/0x610 [ 57.331724][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.337595][ C0] RIP: 0033:0x446a49 [ 57.341471][ 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 [ 57.361057][ C0] RSP: 002b:00007fea759aedb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 57.369446][ C0] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 0000000000446a49 [ 57.377400][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 57.385714][ C0] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 57.393667][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 57.401618][ C0] R13: 00007fffe72e16ff R14: 00007fea759af9c0 R15: 000000000000002d [ 57.410792][ C0] Kernel Offset: disabled [ 57.415211][ C0] Rebooting in 86400 seconds..