[....] Starting enhanced syslogd: rsyslogd[ 12.727632] audit: type=1400 audit(1515826493.431:5): avc: denied { syslog } for pid=3345 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: [ 19.161967] audit: type=1400 audit(1515826499.865:6): avc: denied { map } for pid=3485 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 '10.128.15.208' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 32.602630] audit: type=1400 audit(1515826513.306:7): avc: denied { map } for pid=3502 comm="syzkaller292440" path="/root/syzkaller292440978" 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 [ 32.695457] audit: type=1400 audit(1515826513.398:8): avc: denied { sys_admin } for pid=3502 comm="syzkaller292440" 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 [ 32.887515] audit: type=1400 audit(1515826513.591:9): avc: denied { sys_chroot } for pid=3526 comm="syzkaller292440" 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 [ 32.912136] audit: type=1400 audit(1515826513.593:10): avc: denied { map_create } for pid=3526 comm="syzkaller292440" 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 [ 32.935491] audit: type=1400 audit(1515826513.593:11): avc: denied { map_read map_write } for pid=3526 comm="syzkaller292440" 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 [ 32.968468] kasan: CONFIG_KASAN_INLINE enabled [ 32.973162] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.980578] general protection fault: 0000 [#1] SMP KASAN [ 32.986093] Dumping ftrace buffer: [ 32.989617] (ftrace buffer empty) [ 32.993473] Modules linked in: [ 32.997338] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc7+ #169 [ 33.004238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.013581] Workqueue: events bpf_map_free_deferred [ 33.018569] RIP: 0010:__bpf_map_put+0x64/0x2e0 [ 33.023114] RSP: 0018:ffff8801d98af458 EFLAGS: 00010293 [ 33.028473] RAX: ffff8801d98b6600 RBX: c50001bb00000dc6 RCX: ffffffff817db094 [ 33.036581] RDX: 0000000000000000 RSI: 0000000000000001 RDI: c50001bb00000dc6 [ 33.043829] RBP: ffff8801d98af4e8 R08: 1ffff1003b315e6a R09: 0000000000000000 [ 33.051074] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b315e8c [ 33.058315] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000001 [ 33.065556] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 33.073751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.079610] CR2: 0000000020fe6000 CR3: 0000000006822001 CR4: 00000000001606e0 [ 33.086861] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.094300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.101541] Call Trace: [ 33.104107] ? bpf_prog_inc+0x20/0x20 [ 33.107883] ? kfree+0xf0/0x260 [ 33.111143] ? bpf_map_meta_free+0x15/0x20 [ 33.115347] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.120334] bpf_map_put+0x1a/0x20 [ 33.123843] bpf_map_fd_put_ptr+0x15/0x20 [ 33.127959] array_of_map_free+0x100/0x180 [ 33.132168] bpf_map_free_deferred+0xb0/0xe0 [ 33.136547] process_one_work+0xbbf/0x1b10 [ 33.140749] ? trace_hardirqs_on+0xd/0x10 [ 33.144872] ? pwq_dec_nr_in_flight+0x450/0x450 [ 33.149524] ? __schedule+0x8f3/0x2060 [ 33.153391] ? update_curr+0x2e3/0xa60 [ 33.158235] ? check_noncircular+0x20/0x20 [ 33.162623] ? retint_kernel+0x10/0x10 [ 33.166490] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.171477] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.176231] ? lock_acquire+0x1d5/0x580 [ 33.180175] ? lock_acquire+0x1d5/0x580 [ 33.184123] ? worker_thread+0x4a3/0x1990 [ 33.188241] ? lock_downgrade+0x980/0x980 [ 33.192623] ? lock_release+0xa40/0xa40 [ 33.197540] ? retint_kernel+0x10/0x10 [ 33.201410] ? do_raw_spin_trylock+0x190/0x190 [ 33.205970] worker_thread+0x223/0x1990 [ 33.210470] ? process_one_work+0x1b10/0x1b10 [ 33.216329] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.222012] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.228476] ? trace_hardirqs_on+0xd/0x10 [ 33.233201] ? _raw_spin_unlock_irq+0x27/0x70 [ 33.237667] ? finish_task_switch+0x1d3/0x740 [ 33.242160] ? finish_task_switch+0x1aa/0x740 [ 33.246624] ? copy_overflow+0x20/0x20 [ 33.250484] ? __schedule+0x8f3/0x2060 [ 33.254349] ? find_held_lock+0x35/0x1d0 [ 33.258393] ? find_held_lock+0x35/0x1d0 [ 33.262427] ? complete+0x62/0x80 [ 33.265852] ? __schedule+0x2060/0x2060 [ 33.269800] ? do_wait_intr_irq+0x3e0/0x3e0 [ 33.274089] ? __lockdep_init_map+0xe4/0x650 [ 33.278477] ? do_raw_spin_trylock+0x190/0x190 [ 33.283026] ? lockdep_init_map+0x9/0x10 [ 33.287057] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 33.292570] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.298509] ? trace_hardirqs_on+0xd/0x10 [ 33.302623] ? __kthread_parkme+0x175/0x240 [ 33.306912] kthread+0x33c/0x400 [ 33.310250] ? process_one_work+0x1b10/0x1b10 [ 33.314723] ? kthread_stop+0x7a0/0x7a0 [ 33.318683] ret_from_fork+0x24/0x30 [ 33.322369] 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 [ 33.343631] RIP: __bpf_map_put+0x64/0x2e0 RSP: ffff8801d98af458 [ 33.349874] ---[ end trace 8bf444f5e6949125 ]--- [ 33.354645] Kernel panic - not syncing: Fatal exception [ 33.360027] Dumping ftrace buffer: [ 33.363543] (ftrace buffer empty) [ 33.367225] Kernel Offset: disabled [ 33.370820] Rebooting in 86400 seconds..