[....] Starting enhanced syslogd: rsyslogd[   16.331552] audit: type=1400 audit(1519756169.151:5): avc:  denied  { syslog } for  pid=4095 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 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.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   22.182465] audit: type=1400 audit(1519756175.002:6): avc:  denied  { map } for  pid=4235 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 '10.128.0.8' (ECDSA) to the list of known hosts.
executing program
[   28.460583] audit: type=1400 audit(1519756181.280:7): avc:  denied  { map } for  pid=4249 comm="syzkaller572648" path="/root/syzkaller572648674" 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
[   28.493485] kasan: CONFIG_KASAN_INLINE enabled
[   28.498234] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   28.505602] general protection fault: 0000 [#1] SMP KASAN
[   28.511120] Dumping ftrace buffer:
[   28.514631]    (ftrace buffer empty)
[   28.518312] Modules linked in:
[   28.521476] CPU: 0 PID: 4249 Comm: syzkaller572648 Not tainted 4.16.0-rc3+ #331
[   28.528909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   28.538240] RIP: 0010:hrtimer_active+0x1da/0x3c0
[   28.542964] RSP: 0018:ffff8801adc3f3c0 EFLAGS: 00010202
[   28.548295] RAX: 0000000000000008 RBX: 1ffff10035b87ea5 RCX: ffffffff81610225
[   28.555536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
[   28.562774] RBP: ffff8801adc3f500 R08: 0000000000002c02 R09: 0000000000000000
[   28.570019] R10: 0000000000000011 R11: ffffed0036137078 R12: 0000000000000010
[   28.577263] R13: 0000000000000000 R14: ffffed0035b87e83 R15: dffffc0000000000
[   28.584505] FS:  0000000001810880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   28.592698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.598551] CR2: 00007f4c6c616000 CR3: 00000001b0d9d006 CR4: 00000000001626f0
[   28.605792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.613033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.620791] Call Trace:
[   28.623355]  ? hrtimer_forward+0x2d0/0x2d0
[   28.627563]  ? vmx_update_msr_bitmap+0x13a/0x430
[   28.632295]  ? setup_msrs+0x926/0x1d80
[   28.636150]  ? vmx_set_cr4+0x353/0x610
[   28.640018]  hrtimer_try_to_cancel+0x91/0x5b0
[   28.644486]  ? update_exception_bitmap+0x19a/0x200
[   28.649386]  ? __hrtimer_get_remaining+0x1c0/0x1c0
[   28.654283]  ? vmx_vcpu_reset+0x55f/0xc70
[   28.658401]  ? load_vmcs12_host_state+0x1fa0/0x1fa0
[   28.663392]  ? __mutex_unlock_slowpath+0xe9/0xac0
[   28.668596]  ? lock_downgrade+0x980/0x980
[   28.672715]  ? kvm_arch_vcpu_load+0x1c1/0x8d0
[   28.677183]  hrtimer_cancel+0x22/0x40
[   28.680953]  kvm_lapic_reset+0x93/0xf40
[   28.684899]  ? kvm_lapic_set_base+0x750/0x750
[   28.689361]  ? kvm_arch_vcpu_free+0x80/0x80
[   28.693655]  kvm_arch_vcpu_setup+0x31/0x50
[   28.697858]  kvm_vm_ioctl+0x52d/0x1cf0
[   28.701716]  ? kvm_set_memory_region+0x50/0x50
[   28.706266]  ? kfree+0xf3/0x260
[   28.709513]  ? kvm_uevent_notify_change.part.39+0x39c/0x430
[   28.715194]  ? trace_hardirqs_on+0xd/0x10
[   28.719315]  ? fd_install+0x4d/0x60
[   28.722910]  ? kvm_dev_ioctl+0x17b/0x18b0
[   28.727036]  ? install_new_memslots+0x420/0x420
[   28.731672]  ? lock_release+0xa40/0xa40
[   28.735617]  ? rcutorture_record_progress+0x10/0x10
[   28.740609]  ? avc_has_extended_perms+0x7fa/0x12c0
[   28.745511]  ? avc_ss_reset+0x110/0x110
[   28.749454]  ? save_stack+0xa3/0xd0
[   28.753049]  ? save_stack+0x43/0xd0
[   28.756643]  ? __kasan_slab_free+0x11a/0x170
[   28.761025]  ? kasan_slab_free+0xe/0x10
[   28.764968]  ? kmem_cache_free+0x83/0x2a0
[   28.769088]  ? putname+0xee/0x130
[   28.772508]  ? SyS_openat+0x30/0x40
[   28.776107]  ? do_syscall_64+0x281/0x940
[   28.780138]  ? debug_check_no_obj_freed+0x3da/0xf1f
[   28.785122]  ? __lock_is_held+0xb6/0x140
[   28.789160]  ? check_same_owner+0x320/0x320
[   28.793458]  ? get_unused_fd_flags+0x190/0x190
[   28.798012]  ? rcu_note_context_switch+0x710/0x710
[   28.802920]  ? kvm_set_memory_region+0x50/0x50
[   28.807471]  do_vfs_ioctl+0x1b1/0x1520
[   28.811329]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   28.816229]  ? ioctl_preallocate+0x2b0/0x2b0
[   28.820608]  ? selinux_capable+0x40/0x40
[   28.824646]  ? putname+0xf3/0x130
[   28.828069]  ? do_sys_open+0x320/0x6d0
[   28.831930]  ? security_file_ioctl+0x7d/0xb0
[   28.836305]  ? security_file_ioctl+0x89/0xb0
[   28.840686]  SyS_ioctl+0x8f/0xc0
[   28.844027]  ? do_vfs_ioctl+0x1520/0x1520
[   28.848145]  do_syscall_64+0x281/0x940
[   28.852001]  ? __do_page_fault+0xc90/0xc90
[   28.856210]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   28.860939]  ? syscall_return_slowpath+0x550/0x550
[   28.865839]  ? syscall_return_slowpath+0x2ac/0x550
[   28.870738]  ? prepare_exit_to_usermode+0x350/0x350
[   28.875728]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   28.881064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   28.885880]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   28.891040] RIP: 0033:0x43fcf9
[   28.894198] RSP: 002b:00007ffc913aff78 EFLAGS: 00000217 ORIG_RAX: 0000000000000010
[   28.901872] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcf9
[   28.909113] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
[   28.916355] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   28.923595] R10: 00000000004002c8 R11: 0000000000000217 R12: 0000000000401620
[   28.930835] R13: 00000000004016b0 R14: 0000000000000000 R15: 0000000000000000
[   28.938087] Code: ff ff 48 8d 85 18 ff ff ff 48 c1 e8 03 4e 8d 34 38 e8 1b f2 0f 00 48 8b 85 f0 fe ff ff c6 00 00 48 8b 85 d8 fe ff ff 48 c1 e8 03 <42> 80 3c 38 00 0f 85 c2 01 00 00 48 8b 85 e8 fe ff ff 48 8b 58 
[   28.957156] RIP: hrtimer_active+0x1da/0x3c0 RSP: ffff8801adc3f3c0
[   28.963611] ---[ end trace 2cbfab6e995efa9b ]---
[   28.968380] Kernel panic - not syncing: Fatal exception
[   28.974181] Dumping ftrace buffer:
[   28.977690]    (ftrace buffer empty)
[   28.981371] Kernel Offset: disabled
[   28.984969] Rebooting in 86400 seconds..