[....] Starting enhanced syslogd: rsyslogd[ 13.100958] audit: type=1400 audit(1515797080.363:5): avc: denied { syslog } for pid=3337 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: [ 18.407997] audit: type=1400 audit(1515797085.670:6): avc: denied { map } for pid=3479 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 '10.128.0.44' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 25.567921] audit: type=1400 audit(1515797092.830:7): avc: denied { map } for pid=3493 comm="syzkaller061830" path="/root/syzkaller061830178" 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 [ 25.644909] audit: type=1400 audit(1515797092.907:8): avc: denied { sys_admin } for pid=3493 comm="syzkaller061830" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 executing program [ 25.832444] audit: type=1400 audit(1515797093.095:9): avc: denied { sys_chroot } for pid=3515 comm="syzkaller061830" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 25.857054] audit: type=1400 audit(1515797093.096:10): avc: denied { map_create } for pid=3515 comm="syzkaller061830" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.880244] audit: type=1400 audit(1515797093.097:11): avc: denied { map_read map_write } for pid=3515 comm="syzkaller061830" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.910562] kasan: CONFIG_KASAN_INLINE enabled [ 25.915254] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.922800] general protection fault: 0000 [#1] SMP KASAN [ 25.928319] Dumping ftrace buffer: [ 25.931832] (ftrace buffer empty) [ 25.935514] Modules linked in: [ 25.938684] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 4.15.0-rc7+ #259 [ 25.945579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.954948] Workqueue: events bpf_map_free_deferred [ 25.959939] RIP: 0010:__bpf_map_put+0x64/0x2e0 [ 25.964487] RSP: 0018:ffff8801d98c7458 EFLAGS: 00010293 [ 25.969819] RAX: ffff8801d98ba640 RBX: 960001b800000dbb RCX: ffffffff817db094 [ 25.977058] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 960001b800000dbb [ 25.984297] RBP: ffff8801d98c74e8 R08: 1ffff1003b318e6a R09: 0000000000000000 [ 25.991537] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b318e8c [ 25.998787] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000001 [ 26.006044] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 26.014240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.020092] CR2: 00000000204f9fe4 CR3: 0000000006822001 CR4: 00000000001606e0 [ 26.027332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.034569] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.041817] Call Trace: [ 26.044386] ? bpf_prog_inc+0x20/0x20 [ 26.048158] ? kfree+0xf0/0x260 [ 26.051406] ? bpf_map_meta_free+0x15/0x20 [ 26.055610] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.060596] bpf_map_put+0x1a/0x20 [ 26.064105] bpf_map_fd_put_ptr+0x15/0x20 [ 26.068221] array_of_map_free+0x100/0x180 [ 26.072429] bpf_map_free_deferred+0xb0/0xe0 [ 26.076807] process_one_work+0xbbf/0x1b10 [ 26.081009] ? trace_hardirqs_on+0xd/0x10 [ 26.085140] ? pwq_dec_nr_in_flight+0x450/0x450 [ 26.089792] ? __schedule+0x8f3/0x2060 [ 26.093647] ? update_curr+0x2e3/0xa60 [ 26.097517] ? check_noncircular+0x20/0x20 [ 26.101719] ? __lock_is_held+0xb6/0x140 [ 26.105761] ? lock_acquire+0x1d5/0x580 [ 26.109702] ? lock_acquire+0x1d5/0x580 [ 26.113645] ? worker_thread+0x4a3/0x1990 [ 26.117760] ? lock_downgrade+0x980/0x980 [ 26.121886] ? lock_release+0xa40/0xa40 [ 26.125830] ? check_noncircular+0x20/0x20 [ 26.130041] ? do_raw_spin_trylock+0x190/0x190 [ 26.134599] worker_thread+0x223/0x1990 [ 26.138551] ? process_one_work+0x1b10/0x1b10 [ 26.143019] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.147484] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.152469] ? trace_hardirqs_on+0xd/0x10 [ 26.156584] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.161060] ? finish_task_switch+0x1d3/0x740 [ 26.165532] ? finish_task_switch+0x1aa/0x740 [ 26.170082] ? copy_overflow+0x20/0x20 [ 26.173951] ? __schedule+0x8f3/0x2060 [ 26.177837] ? find_held_lock+0x35/0x1d0 [ 26.181876] ? find_held_lock+0x35/0x1d0 [ 26.185910] ? complete+0x62/0x80 [ 26.189333] ? __schedule+0x2060/0x2060 [ 26.193275] ? do_wait_intr_irq+0x3e0/0x3e0 [ 26.197565] ? __lockdep_init_map+0xe4/0x650 [ 26.201940] ? do_raw_spin_trylock+0x190/0x190 [ 26.206489] ? lockdep_init_map+0x9/0x10 [ 26.210520] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 26.215600] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.220584] ? trace_hardirqs_on+0xd/0x10 [ 26.224701] ? __kthread_parkme+0x175/0x240 [ 26.229002] kthread+0x33c/0x400 [ 26.232335] ? process_one_work+0x1b10/0x1b10 [ 26.236798] ? kthread_stop+0x7a0/0x7a0 [ 26.240742] ret_from_fork+0x24/0x30 [ 26.244427] Code: b5 41 48 c7 45 80 a5 14 58 86 48 c7 45 88 30 b0 7d 81 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 f3 f3 f3 f3 e8 ec 66 f2 ff ff 4b 48 74 2f e8 e1 66 f2 ff 48 b8 00 00 00 00 00 fc ff df [ 26.263502] RIP: __bpf_map_put+0x64/0x2e0 RSP: ffff8801d98c7458 [ 26.269640] ---[ end trace d71deed7279c1a0d ]--- [ 26.274515] Kernel panic - not syncing: Fatal exception [ 26.280253] Dumping ftrace buffer: [ 26.283767] (ftrace buffer empty) [ 26.287447] Kernel Offset: disabled [ 26.291046] Rebooting in 86400 seconds..