[....] Starting enhanced syslogd: rsyslogd[   14.739760] audit: type=1400 audit(1518862828.062:5): avc:  denied  { syslog } for  pid=3917 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   17.669685] audit: type=1400 audit(1518862830.992:6): avc:  denied  { map } for  pid=4056 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 '10.128.15.218' (ECDSA) to the list of known hosts.
executing program
[   40.405486] audit: type=1400 audit(1518862853.728:7): avc:  denied  { map } for  pid=4074 comm="syzkaller787570" path="/root/syzkaller787570356" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   40.409112] FAULT_INJECTION: forcing a failure.
[   40.409112] name failslab, interval 1, probability 0, space 0, times 1
[   40.442843] CPU: 0 PID: 4074 Comm: syzkaller787570 Not tainted 4.16.0-rc1+ #231
[   40.450266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.459595] Call Trace:
[   40.462161]  dump_stack+0x194/0x257
[   40.465767]  ? arch_local_irq_restore+0x53/0x53
[   40.470414]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   40.475585]  should_fail+0x8c0/0xa40
[   40.479289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   40.484367]  ? lock_release+0xa40/0xa40
[   40.488323]  ? debug_check_no_locks_freed+0x3c0/0x3c0
[   40.493487]  ? __radix_tree_replace+0x1af/0x310
[   40.498129]  ? check_noncircular+0x20/0x20
[   40.502336]  ? radix_tree_delete+0x30/0x30
[   40.506555]  ? node_tag_clear+0xf2/0x180
[   40.510593]  ? print_irqtrace_events+0x270/0x270
[   40.515327]  ? print_irqtrace_events+0x270/0x270
[   40.520058]  ? find_held_lock+0x35/0x1d0
[   40.524107]  should_failslab+0xec/0x120
[   40.528057]  kmem_cache_alloc_trace+0x4b/0x740
[   40.532617]  ? tipc_conn_rcv_sub.isra.4+0x1f7/0x760
[   40.537608]  ? lock_downgrade+0x980/0x980
[   40.541736]  tipc_sub_subscribe+0x200/0x510
[   40.546033]  ? tipc_sub_get+0x20/0x20
[   40.549815]  tipc_conn_rcv_sub.isra.4+0x383/0x760
[   40.554632]  ? tipc_conn_delete_sub+0x4a0/0x4a0
[   40.559275]  ? lock_release+0xa40/0xa40
[   40.563224]  ? __lock_is_held+0xb6/0x140
[   40.567267]  tipc_topsrv_kern_subscr+0x5f6/0x9e0
[   40.571999]  ? tipc_topsrv_queue_evt+0x6d0/0x6d0
[   40.576727]  ? tipc_group_create+0x2b6/0x940
[   40.581109]  ? lock_downgrade+0x980/0x980
[   40.585238]  ? memset+0x31/0x40
[   40.588497]  ? tipc_bcast_stop+0x350/0x350
[   40.592713]  tipc_group_create+0x6be/0x940
[   40.596934]  ? tipc_group_size+0x50/0x50
[   40.600977]  ? mark_held_locks+0xaf/0x100
[   40.605097]  ? do_raw_spin_trylock+0x190/0x190
[   40.609657]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   40.614662]  ? lock_sock_nested+0x91/0x110
[   40.618868]  ? trace_hardirqs_on+0xd/0x10
[   40.622989]  ? __local_bh_enable_ip+0x121/0x230
[   40.627636]  tipc_setsockopt+0x28a/0xcf0
[   40.631677]  ? tipc_sk_leave+0x200/0x200
[   40.635725]  ? security_socket_setsockopt+0x89/0xb0
[   40.640719]  SyS_setsockopt+0x189/0x360
[   40.644673]  ? SyS_recv+0x40/0x40
[   40.648096]  ? SyS_write+0x184/0x220
[   40.651796]  ? SyS_read+0x220/0x220
[   40.655398]  ? do_syscall_64+0xb7/0x940
[   40.659346]  ? SyS_recv+0x40/0x40
[   40.662775]  do_syscall_64+0x282/0x940
[   40.666634]  ? __do_page_fault+0xc90/0xc90
[   40.670845]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   40.675574]  ? syscall_return_slowpath+0x550/0x550
[   40.680475]  ? syscall_return_slowpath+0x2ac/0x550
[   40.685376]  ? prepare_exit_to_usermode+0x350/0x350
[   40.690370]  ? entry_SYSCALL_64_after_hwframe+0x36/0x9b
[   40.695711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.700532]  entry_SYSCALL_64_after_hwframe+0x26/0x9b
[   40.705695] RIP: 0033:0x440419
[   40.708855] RSP: 002b:00007ffcb9e1d588 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   40.716544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440419
[   40.723785] RDX: 0000000000000087 RSI: 000000000000010f RDI: 0000000000000003
[   40.731027] RBP: 00000000006cb018 R08: 0000000000000010 R09: 0000000000000033
[   40.738269] R10: 0000000020265000 R11: 0000000000000246 R12: 0000000000000004
[   40.745512] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
[   40.752837] Subscription rejected, no memory
[   40.757246] kasan: CONFIG_KASAN_INLINE enabled
[   40.761883] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   40.769247] general protection fault: 0000 [#1] SMP KASAN
[   40.774759] Dumping ftrace buffer:
[   40.778269]    (ftrace buffer empty)
[   40.781949] Modules linked in:
[   40.785114] CPU: 0 PID: 4074 Comm: syzkaller787570 Not tainted 4.16.0-rc1+ #231
[   40.792528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.801859] RIP: 0010:tipc_conn_close+0x4c/0x130
[   40.806585] RSP: 0018:ffff8801d82a78e8 EFLAGS: 00010202
[   40.811917] RAX: dffffc0000000000 RBX: ffff8801c5f54580 RCX: ffffffff856e9b57
[   40.819158] RDX: 0000000000000004 RSI: 1ffff1003b054e9d RDI: 0000000000000020
[   40.826398] RBP: ffff8801d82a7908 R08: 1ffff1003b054e34 R09: 0000000000000000
[   40.833639] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   40.840879] R13: ffff8801d82a79e0 R14: ffff8801c5f54588 R15: ffff8801d1cb1a00
[   40.848117] FS:  0000000001763880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[   40.856313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.862164] CR2: 000056422776e110 CR3: 00000001c51bc003 CR4: 00000000001606f0
[   40.869406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.876647] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.883886] Call Trace:
[   40.886448]  tipc_topsrv_kern_subscr+0x7e1/0x9e0
[   40.891174]  ? tipc_topsrv_queue_evt+0x6d0/0x6d0
[   40.895915]  ? tipc_group_create+0x2b6/0x940
[   40.900294]  ? lock_downgrade+0x980/0x980
[   40.904425]  ? memset+0x31/0x40
[   40.907679]  ? tipc_bcast_stop+0x350/0x350
[   40.911887]  tipc_group_create+0x6be/0x940
[   40.916095]  ? tipc_group_size+0x50/0x50
[   40.920130]  ? mark_held_locks+0xaf/0x100
[   40.924259]  ? do_raw_spin_trylock+0x190/0x190
[   40.928813]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   40.933800]  ? lock_sock_nested+0x91/0x110
[   40.938006]  ? trace_hardirqs_on+0xd/0x10
[   40.942127]  ? __local_bh_enable_ip+0x121/0x230
[   40.946772]  tipc_setsockopt+0x28a/0xcf0
[   40.950805]  ? tipc_sk_leave+0x200/0x200
[   40.954842]  ? security_socket_setsockopt+0x89/0xb0
[   40.959829]  SyS_setsockopt+0x189/0x360
[   40.963774]  ? SyS_recv+0x40/0x40
[   40.967196]  ? SyS_write+0x184/0x220
[   40.970880]  ? SyS_read+0x220/0x220
[   40.974479]  ? do_syscall_64+0xb7/0x940
[   40.978427]  ? SyS_recv+0x40/0x40
[   40.981849]  do_syscall_64+0x282/0x940
[   40.985716]  ? __do_page_fault+0xc90/0xc90
[   40.989921]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   40.994646]  ? syscall_return_slowpath+0x550/0x550
[   40.999544]  ? syscall_return_slowpath+0x2ac/0x550
[   41.004454]  ? prepare_exit_to_usermode+0x350/0x350
[   41.009444]  ? entry_SYSCALL_64_after_hwframe+0x36/0x9b
[   41.014779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.019594]  entry_SYSCALL_64_after_hwframe+0x26/0x9b
[   41.024763] RIP: 0033:0x440419
[   41.027921] RSP: 002b:00007ffcb9e1d588 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   41.035598] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440419
[   41.042840] RDX: 0000000000000087 RSI: 000000000000010f RDI: 0000000000000003
[   41.050091] RBP: 00000000006cb018 R08: 0000000000000010 R09: 0000000000000033
[   41.057339] R10: 0000000020265000 R11: 0000000000000246 R12: 0000000000000004
[   41.064579] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
[   41.071826] Code: fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 f1 00 00 00 4c 8b 63 08 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 20 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 c3 00 00 00 4d 8b 6c 24 20 4d 8d a5 58 03 00 
[   41.090894] RIP: tipc_conn_close+0x4c/0x130 RSP: ffff8801d82a78e8
[   41.097148] ---[ end trace 39a5075916eff3f7 ]---
[   41.101885] Kernel panic - not syncing: Fatal exception
[   41.107580] Dumping ftrace buffer:
[   41.111090]    (ftrace buffer empty)
[   41.114770] Kernel Offset: disabled
[   41.118367] Rebooting in 86400 seconds..