[....] Starting enhanced syslogd: rsyslogd[ 11.240707] audit: type=1400 audit(1515563881.945:5): avc: denied { syslog } for pid=3332 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: [ 16.823883] audit: type=1400 audit(1515563887.528:6): avc: denied { map } for pid=3471 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 '10.128.0.13' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 37.030388] audit: type=1400 audit(1515563907.735:7): avc: denied { map } for pid=3489 comm="syzkaller030745" path="/root/syzkaller030745091" 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 executing program [ 37.115513] audit: type=1400 audit(1515563907.820:8): avc: denied { sys_admin } for pid=3489 comm="syzkaller030745" 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 [ 37.141462] audit: type=1400 audit(1515563907.846:9): avc: denied { sys_chroot } for pid=3513 comm="syzkaller030745" 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 [ 37.165954] audit: type=1400 audit(1515563907.846:10): avc: denied { map_create } for pid=3513 comm="syzkaller030745" 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 [ 37.188739] audit: type=1400 audit(1515563907.846:11): avc: denied { map_read map_write } for pid=3513 comm="syzkaller030745" 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 [ 37.215235] kasan: CONFIG_KASAN_INLINE enabled [ 37.219875] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 37.227252] general protection fault: 0000 [#1] SMP KASAN [ 37.232760] Dumping ftrace buffer: [ 37.236290] (ftrace buffer empty) [ 37.239971] Modules linked in: [ 37.243135] CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.15.0-rc7-next-20180110+ #93 [ 37.251154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.260480] Workqueue: events bpf_map_free_deferred [ 37.265463] RIP: 0010:__bpf_map_put+0x64/0x2e0 [ 37.270008] RSP: 0018:ffff8801d98b7458 EFLAGS: 00010293 [ 37.275333] RAX: ffff8801d98ac600 RBX: cde001bd00000db9 RCX: ffffffff817e4454 [ 37.282568] RDX: 0000000000000000 RSI: 0000000000000001 RDI: cde001bd00000db9 [ 37.289802] RBP: ffff8801d98b74e8 R08: 1ffff1003b316e6a R09: 0000000000000000 [ 37.297035] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003b316e8c [ 37.304268] R13: dffffc0000000000 R14: dffffc0000000000 R15: 0000000000000001 [ 37.311502] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 37.319691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.325535] CR2: 00000000204f9fe4 CR3: 0000000006822004 CR4: 00000000001606e0 [ 37.332771] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.340007] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.347239] Call Trace: [ 37.349793] ? bpf_prog_inc+0x20/0x20 [ 37.353559] ? kfree+0xf3/0x260 [ 37.356811] ? bpf_map_meta_free+0x15/0x20 [ 37.361011] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.365992] bpf_map_put+0x1a/0x20 [ 37.369495] bpf_map_fd_put_ptr+0x15/0x20 [ 37.373609] array_of_map_free+0x100/0x180 [ 37.378330] bpf_map_free_deferred+0xb0/0xe0 [ 37.382704] process_one_work+0xbbf/0x1af0 [ 37.386912] ? trace_hardirqs_on+0xd/0x10 [ 37.391029] ? pwq_dec_nr_in_flight+0x450/0x450 [ 37.395662] ? __switch_to_asm+0x43/0x80 [ 37.399688] ? __switch_to_asm+0x53/0x80 [ 37.403710] ? __switch_to_asm+0x43/0x80 [ 37.407734] ? __switch_to_asm+0x53/0x80 [ 37.411755] ? __switch_to_asm+0x43/0x80 [ 37.415778] ? __switch_to_asm+0x53/0x80 [ 37.419800] ? __switch_to_asm+0x43/0x80 [ 37.423827] ? __schedule+0x8f3/0x2060 [ 37.427680] ? update_curr+0x2e3/0xa60 [ 37.431547] ? check_noncircular+0x20/0x20 [ 37.435746] ? __lock_is_held+0xb6/0x140 [ 37.439785] ? lock_acquire+0x1d5/0x580 [ 37.443721] ? lock_acquire+0x1d5/0x580 [ 37.447658] ? worker_thread+0x4a3/0x1990 [ 37.451771] ? lock_downgrade+0x980/0x980 [ 37.455882] ? lock_release+0xa40/0xa40 [ 37.459817] ? retint_kernel+0x10/0x10 [ 37.463666] ? do_raw_spin_trylock+0x190/0x190 [ 37.468217] worker_thread+0x223/0x1990 [ 37.472164] ? process_one_work+0x1af0/0x1af0 [ 37.476624] ? _raw_spin_unlock_irq+0x27/0x70 [ 37.481086] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.486066] ? trace_hardirqs_on+0xd/0x10 [ 37.490178] ? mmdrop+0x18/0x30 [ 37.493420] ? finish_task_switch+0x1f6/0x740 [ 37.497877] ? __switch_to_asm+0x43/0x80 [ 37.501898] ? __switch_to_asm+0x53/0x80 [ 37.505921] ? __switch_to_asm+0x43/0x80 [ 37.509946] ? copy_overflow+0x20/0x20 [ 37.513796] ? __switch_to_asm+0x43/0x80 [ 37.517817] ? __switch_to_asm+0x43/0x80 [ 37.521841] ? __switch_to_asm+0x53/0x80 [ 37.525864] ? __switch_to_asm+0x43/0x80 [ 37.529888] ? __switch_to_asm+0x53/0x80 [ 37.533911] ? __switch_to_asm+0x43/0x80 [ 37.537935] ? __switch_to_asm+0x53/0x80 [ 37.541960] ? __switch_to_asm+0x43/0x80 [ 37.545989] ? __schedule+0x8f3/0x2060 [ 37.549854] ? find_held_lock+0x35/0x1d0 [ 37.553881] ? find_held_lock+0x35/0x1d0 [ 37.557907] ? complete+0x62/0x80 [ 37.561327] ? __schedule+0x2060/0x2060 [ 37.565264] ? do_wait_intr_irq+0x3e0/0x3e0 [ 37.569553] ? __lockdep_init_map+0xe4/0x650 [ 37.573924] ? do_raw_spin_trylock+0x190/0x190 [ 37.578470] ? lockdep_init_map+0x9/0x10 [ 37.582493] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.587567] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.592547] ? trace_hardirqs_on+0xd/0x10 [ 37.596665] ? __kthread_parkme+0x175/0x240 [ 37.600950] kthread+0x33c/0x400 [ 37.604281] ? process_one_work+0x1af0/0x1af0 [ 37.608737] ? kthread_stop+0x7a0/0x7a0 [ 37.612682] ret_from_fork+0x4b/0x60 [ 37.616365] Code: b5 41 48 c7 45 80 1d 2c 59 86 48 c7 45 88 f0 43 7e 81 c7 00 f1 f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 f3 f3 f3 f3 e8 9c 1e f2 ff ff 4b 48 74 2f e8 91 1e f2 ff 48 b8 00 00 00 00 00 fc ff df [ 37.635425] RIP: __bpf_map_put+0x64/0x2e0 RSP: ffff8801d98b7458 [ 37.641573] ---[ end trace 915e65af1f742f23 ]--- [ 37.646329] Kernel panic - not syncing: Fatal exception [ 37.651684] Dumping ftrace buffer: [ 37.655189] (ftrace buffer empty) [ 37.658870] Kernel Offset: disabled [ 37.662462] Rebooting in 86400 seconds..