[....] Starting enhanced syslogd: rsyslogd[ 12.123659] audit: type=1400 audit(1515663923.496:5): avc: denied { syslog } for pid=3354 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: [ 18.561567] audit: type=1400 audit(1515663929.934:6): avc: denied { map } for pid=3493 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 '10.128.15.199' (ECDSA) to the list of known hosts. [ 24.767509] audit: type=1400 audit(1515663936.140:7): avc: denied { map } for pid=3507 comm="syzkaller195029" path="/root/syzkaller195029017" 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 [ 24.793754] audit: type=1400 audit(1515663936.140:8): avc: denied { sys_admin } for pid=3507 comm="syzkaller195029" 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 [ 24.827498] audit: type=1400 audit(1515663936.200:9): avc: denied { sys_chroot } for pid=3508 comm="syzkaller195029" 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 [ 24.852144] audit: type=1400 audit(1515663936.202:10): avc: denied { map_create } for pid=3508 comm="syzkaller195029" 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 [ 24.874833] audit: type=1400 audit(1515663936.202:11): avc: denied { map_read map_write } for pid=3508 comm="syzkaller195029" 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 [ 24.901365] kasan: CONFIG_KASAN_INLINE enabled [ 24.906026] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.913628] general protection fault: 0000 [#1] SMP KASAN [ 24.919153] Dumping ftrace buffer: [ 24.922677] (ftrace buffer empty) [ 24.926354] Modules linked in: [ 24.929518] CPU: 0 PID: 3508 Comm: syzkaller195029 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 24.938065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.947398] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 24.952031] RSP: 0018:ffff8801bf8ff718 EFLAGS: 00010a03 [ 24.957831] RAX: 1f680036e00001b9 RBX: 0000000000000001 RCX: ffffffff817ea71e [ 24.965071] RDX: 0000000000000000 RSI: 0000000000000001 RDI: fb4001b700000db4 [ 24.972306] RBP: ffff8801bf8ff7f8 R08: 0000000000000000 R09: 0000000000000000 [ 24.979542] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037f1fee6 [ 24.986787] R13: ffff8801bf8ff7d0 R14: fb4001b700000db4 R15: dffffc0000000000 [ 24.994026] FS: 0000000000f29880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 25.002239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.008089] CR2: 00000000204f9fe4 CR3: 0000000006822002 CR4: 00000000001606f0 [ 25.015342] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.022586] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.029832] Call Trace: [ 25.032398] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 25.037385] ? locks_remove_file+0x3fa/0x5a0 [ 25.041758] ? fcntl_setlk+0x10c0/0x10c0 [ 25.045786] bpf_prog_put+0x1a/0x20 [ 25.049380] prog_fd_array_put_ptr+0x15/0x20 [ 25.053754] bpf_fd_array_map_clear+0xd2/0x140 [ 25.058314] ? __bpf_map_put+0x2e0/0x2e0 [ 25.062355] bpf_map_put_uref+0x54/0x70 [ 25.066307] bpf_map_release+0x91/0xc0 [ 25.070161] __fput+0x327/0x7e0 [ 25.073419] ? fput+0x140/0x140 [ 25.076667] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.082520] ____fput+0x15/0x20 [ 25.085767] task_work_run+0x199/0x270 [ 25.089624] ? task_work_cancel+0x210/0x210 [ 25.093910] ? free_nsproxy+0x185/0x1f0 [ 25.097851] ? switch_task_namespaces+0xa2/0xc0 [ 25.102491] do_exit+0x9bb/0x1ad0 [ 25.105910] ? __pmd_alloc+0x4e0/0x4e0 [ 25.109763] ? vma_link+0xe9/0x170 [ 25.113272] ? mm_update_next_owner+0x930/0x930 [ 25.117908] ? find_held_lock+0x35/0x1d0 [ 25.121941] ? handle_mm_fault+0x2a0/0x930 [ 25.126142] ? find_held_lock+0x35/0x1d0 [ 25.130175] ? __do_page_fault+0x5f7/0xc90 [ 25.134377] ? lock_downgrade+0x980/0x980 [ 25.138495] ? down_read_trylock+0xdb/0x170 [ 25.142785] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.147332] ? vmacache_find+0x5f/0x280 [ 25.151280] ? vmacache_update+0xfe/0x130 [ 25.155397] ? up_read+0x1a/0x40 [ 25.158730] ? __do_page_fault+0x3d6/0xc90 [ 25.162934] ? mm_fault_error+0x2c0/0x2c0 [ 25.167053] ? do_page_fault+0xee/0x720 [ 25.170996] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 25.176501] ? __do_page_fault+0xc90/0xc90 [ 25.180709] do_group_exit+0x149/0x400 [ 25.184562] ? SyS_exit+0x30/0x30 [ 25.187981] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.192962] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.197685] SyS_exit_group+0x1d/0x20 [ 25.201452] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.206171] RIP: 0033:0x440a69 [ 25.209326] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 25.217012] RAX: ffffffffffffffda RBX: 00007fff0959a810 RCX: 0000000000440a69 [ 25.224252] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 25.231487] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.238721] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 25.245965] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 25.253222] Code: f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f3 f3 f3 f3 e8 72 f9 f1 ff 49 8d 46 18 48 89 85 28 ff ff ff 48 c1 e8 03 <42> 80 3c 38 00 0f 85 44 05 00 00 49 8b 46 18 f0 ff 08 74 3b e8 [ 25.272289] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bf8ff718 [ 25.278504] ---[ end trace 4e51afdbaed941d1 ]--- [ 25.283442] Kernel panic - not syncing: Fatal exception [ 25.289191] Dumping ftrace buffer: [ 25.292712] (ftrace buffer empty) [ 25.296390] Kernel Offset: disabled [ 25.299985] Rebooting in 86400 seconds..