[....] Starting enhanced syslogd: rsyslogd[ 12.486697] audit: type=1400 audit(1515825724.199:5): avc: denied { syslog } for pid=3349 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: [ 19.028965] audit: type=1400 audit(1515825730.741:6): avc: denied { map } for pid=3488 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 '10.128.15.226' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 25.406559] audit: type=1400 audit(1515825737.119:7): avc: denied { map } for pid=3502 comm="syzkaller061854" path="/root/syzkaller061854138" 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 [ 25.529771] audit: type=1400 audit(1515825737.242:8): avc: denied { sys_admin } for pid=3502 comm="syzkaller061854" 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 [ 25.717448] audit: type=1400 audit(1515825737.430:9): avc: denied { sys_chroot } for pid=3526 comm="syzkaller061854" 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 [ 25.742251] audit: type=1400 audit(1515825737.432:10): avc: denied { map_create } for pid=3526 comm="syzkaller061854" 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 [ 25.765449] audit: type=1400 audit(1515825737.432:11): avc: denied { map_read map_write } for pid=3526 comm="syzkaller061854" 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 [ 25.794617] kasan: CONFIG_KASAN_INLINE enabled [ 25.799272] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.806654] general protection fault: 0000 [#1] SMP KASAN [ 25.812182] Dumping ftrace buffer: [ 25.815692] (ftrace buffer empty) [ 25.819370] Modules linked in: [ 25.822534] CPU: 0 PID: 23 Comm: kworker/0:1 Not tainted 4.15.0-rc7+ #259 [ 25.829424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.838759] Workqueue: events bpf_map_free_deferred [ 25.843745] RIP: 0010:__bpf_map_put+0x64/0x2e0 [ 25.848300] RSP: 0018:ffff8801d98af458 EFLAGS: 00010293 [ 25.853630] RAX: ffff8801d98b6600 RBX: d5a001b600000dc6 RCX: ffffffff817db094 [ 25.860865] RDX: 0000000000000000 RSI: 0000000000000001 RDI: d5a001b600000dc6 [ 25.868110] RBP: ffff8801d98af4e8 R08: 1ffff1003b315e6a R09: 0000000000000000 [ 25.875355] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b315e8c [ 25.882592] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000001 [ 25.889838] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 25.898036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.903885] CR2: 0000000020fe6000 CR3: 0000000006822006 CR4: 00000000001606f0 [ 25.911122] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.918360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.925614] Call Trace: [ 25.928184] ? bpf_prog_inc+0x20/0x20 [ 25.931952] ? kfree+0xf0/0x260 [ 25.935201] ? bpf_map_meta_free+0x15/0x20 [ 25.939405] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.944390] bpf_map_put+0x1a/0x20 [ 25.947899] bpf_map_fd_put_ptr+0x15/0x20 [ 25.952021] array_of_map_free+0x100/0x180 [ 25.956240] bpf_map_free_deferred+0xb0/0xe0 [ 25.960623] process_one_work+0xbbf/0x1b10 [ 25.964823] ? put_task_stack+0x116/0x270 [ 25.968941] ? pwq_dec_nr_in_flight+0x450/0x450 [ 25.973584] ? __schedule+0x8f3/0x2060 [ 25.977438] ? update_curr+0x2e3/0xa60 [ 25.981296] ? check_noncircular+0x20/0x20 [ 25.985499] ? retint_kernel+0x10/0x10 [ 25.989355] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.994340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.999072] ? lock_acquire+0x1d5/0x580 [ 26.003015] ? lock_acquire+0x1d5/0x580 [ 26.006956] ? worker_thread+0x4a3/0x1990 [ 26.011071] ? lock_downgrade+0x980/0x980 [ 26.015192] ? lock_release+0xa40/0xa40 [ 26.019132] ? retint_kernel+0x10/0x10 [ 26.022995] ? do_raw_spin_trylock+0x190/0x190 [ 26.027558] worker_thread+0x223/0x1990 [ 26.031516] ? process_one_work+0x1b10/0x1b10 [ 26.035988] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.040452] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.045436] ? trace_hardirqs_on+0xd/0x10 [ 26.049551] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.054018] ? finish_task_switch+0x1d3/0x740 [ 26.058484] ? finish_task_switch+0x1aa/0x740 [ 26.062946] ? copy_overflow+0x20/0x20 [ 26.066805] ? __schedule+0x8f3/0x2060 [ 26.070668] ? find_held_lock+0x35/0x1d0 [ 26.074698] ? find_held_lock+0x35/0x1d0 [ 26.078740] ? complete+0x62/0x80 [ 26.082163] ? __schedule+0x2060/0x2060 [ 26.086104] ? do_wait_intr_irq+0x3e0/0x3e0 [ 26.090399] ? __lockdep_init_map+0xe4/0x650 [ 26.094789] ? do_raw_spin_trylock+0x190/0x190 [ 26.099339] ? lockdep_init_map+0x9/0x10 [ 26.103375] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 26.108445] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.113429] ? trace_hardirqs_on+0xd/0x10 [ 26.117544] ? __kthread_parkme+0x175/0x240 [ 26.121834] kthread+0x33c/0x400 [ 26.125168] ? process_one_work+0x1b10/0x1b10 [ 26.129630] ? kthread_stop+0x7a0/0x7a0 [ 26.133577] ret_from_fork+0x24/0x30 [ 26.137264] 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 [ 26.156337] RIP: __bpf_map_put+0x64/0x2e0 RSP: ffff8801d98af458 [ 26.162468] ---[ end trace 00b542b8481df917 ]--- [ 26.167262] Kernel panic - not syncing: Fatal exception [ 26.173046] Dumping ftrace buffer: [ 26.176572] (ftrace buffer empty) [ 26.180248] Kernel Offset: disabled [ 26.183844] Rebooting in 86400 seconds..