[....] Starting enhanced syslogd: rsyslogd[ 15.252614] audit: type=1400 audit(1519778113.662:5): avc: denied { syslog } for pid=4074 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[1G[[32m ok [39;49m8[?25h[?0c.
Starting mcstransd:
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 19.749520] audit: type=1400 audit(1519778118.159:6): avc: denied { map } for pid=4214 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 '10.128.10.11' (ECDSA) to the list of known hosts.
executing program
[ 26.049913] audit: type=1400 audit(1519778124.459:7): avc: denied { map } for pid=4228 comm="syzkaller536366" path="/root/syzkaller536366533" 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
[ 26.083514] kasan: CONFIG_KASAN_INLINE enabled
[ 26.088153] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 26.095617] general protection fault: 0000 [#1] SMP KASAN
[ 26.101135] Dumping ftrace buffer:
[ 26.104643] (ftrace buffer empty)
[ 26.108321] Modules linked in:
[ 26.111487] CPU: 1 PID: 4228 Comm: syzkaller536366 Not tainted 4.16.0-rc3+ #331
[ 26.118896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 26.128224] RIP: 0010:hrtimer_active+0x1da/0x3c0
[ 26.132944] RSP: 0018:ffff8801cf54f3c0 EFLAGS: 00010202
[ 26.138275] RAX: 0000000000000008 RBX: 1ffff10039ea9ea5 RCX: ffffffff81610225
[ 26.145516] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010
[ 26.152752] RBP: ffff8801cf54f500 R08: 0000000000002c02 R09: 0000000000000000
[ 26.159992] R10: 0000000000000011 R11: ffffed003628b078 R12: 0000000000000010
[ 26.167234] R13: 0000000000000000 R14: ffffed0039ea9e83 R15: dffffc0000000000
[ 26.174475] FS: 0000000000c52880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[ 26.182676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.188526] CR2: 00007fcc2c0f1000 CR3: 00000001b2ade006 CR4: 00000000001626e0
[ 26.195764] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 26.203003] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 26.210247] Call Trace:
[ 26.212808] ? hrtimer_forward+0x2d0/0x2d0
[ 26.217021] ? vmx_update_msr_bitmap+0x13a/0x430
[ 26.221751] ? setup_msrs+0x926/0x1d80
[ 26.225608] ? vmx_set_cr4+0x353/0x610
[ 26.229466] hrtimer_try_to_cancel+0x91/0x5b0
[ 26.233931] ? update_exception_bitmap+0x19a/0x200
[ 26.238829] ? __hrtimer_get_remaining+0x1c0/0x1c0
[ 26.243724] ? vmx_vcpu_reset+0x55f/0xc70
[ 26.247840] ? load_vmcs12_host_state+0x1fa0/0x1fa0
[ 26.252825] ? __mutex_unlock_slowpath+0xe9/0xac0
[ 26.257640] ? lock_downgrade+0x980/0x980
[ 26.261758] ? kvm_arch_vcpu_load+0x1c1/0x8d0
[ 26.266224] hrtimer_cancel+0x22/0x40
[ 26.269995] kvm_lapic_reset+0x93/0xf40
[ 26.273945] ? kvm_lapic_set_base+0x750/0x750
[ 26.278407] ? kvm_arch_vcpu_free+0x80/0x80
[ 26.282703] kvm_arch_vcpu_setup+0x31/0x50
[ 26.286905] kvm_vm_ioctl+0x52d/0x1cf0
[ 26.290762] ? kvm_set_memory_region+0x50/0x50
[ 26.295313] ? kfree+0xf3/0x260
[ 26.298562] ? kvm_uevent_notify_change.part.39+0x39c/0x430
[ 26.304245] ? trace_hardirqs_on+0xd/0x10
[ 26.308365] ? fd_install+0x4d/0x60
[ 26.311960] ? kvm_dev_ioctl+0x17b/0x18b0
[ 26.316081] ? install_new_memslots+0x420/0x420
[ 26.320719] ? lock_release+0xa40/0xa40
[ 26.324660] ? rcutorture_record_progress+0x10/0x10
[ 26.329650] ? avc_has_extended_perms+0x7fa/0x12c0
[ 26.334553] ? avc_ss_reset+0x110/0x110
[ 26.338497] ? save_stack+0xa3/0xd0
[ 26.342090] ? save_stack+0x43/0xd0
[ 26.345690] ? __kasan_slab_free+0x11a/0x170
[ 26.350064] ? kasan_slab_free+0xe/0x10
[ 26.354012] ? kmem_cache_free+0x83/0x2a0
[ 26.358133] ? putname+0xee/0x130
[ 26.361553] ? SyS_openat+0x30/0x40
[ 26.365148] ? do_syscall_64+0x281/0x940
[ 26.369179] ? debug_check_no_obj_freed+0x3da/0xf1f
[ 26.374373] ? __lock_is_held+0xb6/0x140
[ 26.378413] ? check_same_owner+0x320/0x320
[ 26.382704] ? get_unused_fd_flags+0x190/0x190
[ 26.387255] ? rcu_note_context_switch+0x710/0x710
[ 26.392156] ? kvm_set_memory_region+0x50/0x50
[ 26.396706] do_vfs_ioctl+0x1b1/0x1520
[ 26.400564] ? debug_lockdep_rcu_enabled+0x77/0x90
[ 26.405463] ? ioctl_preallocate+0x2b0/0x2b0
[ 26.409840] ? selinux_capable+0x40/0x40
[ 26.413870] ? putname+0xf3/0x130
[ 26.417293] ? do_sys_open+0x320/0x6d0
[ 26.421152] ? security_file_ioctl+0x7d/0xb0
[ 26.425529] ? security_file_ioctl+0x89/0xb0
[ 26.429906] SyS_ioctl+0x8f/0xc0
[ 26.433241] ? do_vfs_ioctl+0x1520/0x1520
[ 26.437360] do_syscall_64+0x281/0x940
[ 26.441219] ? __do_page_fault+0xc90/0xc90
[ 26.445420] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 26.450147] ? syscall_return_slowpath+0x550/0x550
[ 26.455043] ? syscall_return_slowpath+0x2ac/0x550
[ 26.459940] ? prepare_exit_to_usermode+0x350/0x350
[ 26.464927] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[ 26.470260] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 26.475073] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 26.480232] RIP: 0033:0x43fcf9
[ 26.483392] RSP: 002b:00007ffe39f19128 EFLAGS: 00000217 ORIG_RAX: 0000000000000010
[ 26.491065] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcf9
[ 26.498303] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
[ 26.505542] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[ 26.512779] R10: 00000000004002c8 R11: 0000000000000217 R12: 0000000000401620
[ 26.520023] R13: 00000000004016b0 R14: 0000000000000000 R15: 0000000000000000
[ 26.527271] 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
[ 26.546339] RIP: hrtimer_active+0x1da/0x3c0 RSP: ffff8801cf54f3c0
[ 26.552603] ---[ end trace 70f5810de6213111 ]---
[ 26.557361] Kernel panic - not syncing: Fatal exception
[ 26.563072] Dumping ftrace buffer:
[ 26.566581] (ftrace buffer empty)
[ 26.570259] Kernel Offset: disabled
[ 26.573854] Rebooting in 86400 seconds..