[....] Starting enhanced syslogd: rsyslogd[ 11.657696] audit: type=1400 audit(1515729663.314:5): 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 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: [ 18.788822] audit: type=1400 audit(1515729670.445:6): avc: denied { map } for pid=3484 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 '10.128.15.198' (ECDSA) to the list of known hosts. [ 25.704458] audit: type=1400 audit(1515729677.361:7): avc: denied { map } for pid=3498 comm="syzkaller971604" path="/root/syzkaller971604465" 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 [ 25.730489] audit: type=1400 audit(1515729677.361:8): avc: denied { sys_admin } for pid=3498 comm="syzkaller971604" 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 [ 25.921402] audit: type=1400 audit(1515729677.578:9): avc: denied { sys_chroot } for pid=3499 comm="syzkaller971604" 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 [ 25.945958] audit: type=1400 audit(1515729677.578:10): avc: denied { map_create } for pid=3499 comm="syzkaller971604" 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 [ 25.968794] audit: type=1400 audit(1515729677.579:11): avc: denied { map_read map_write } for pid=3499 comm="syzkaller971604" 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 [ 26.002913] kasan: CONFIG_KASAN_INLINE enabled [ 26.007528] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.014911] general protection fault: 0000 [#1] SMP KASAN [ 26.020428] Dumping ftrace buffer: [ 26.023933] (ftrace buffer empty) [ 26.027614] Modules linked in: [ 26.030780] CPU: 1 PID: 3499 Comm: syzkaller971604 Not tainted 4.15.0-rc7+ #168 [ 26.038194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.047616] RIP: 0010:__bpf_prog_put+0x8e/0x580 [ 26.052249] RSP: 0018:ffff8801bf9ff580 EFLAGS: 00010a06 [ 26.057578] RAX: 1d100036800001b8 RBX: 1ffff10037f3feb3 RCX: ffffffff817db4b7 [ 26.064814] RDX: 0000000000000000 RSI: 0000000000000001 RDI: e88001b400000dab [ 26.072049] RBP: ffff8801bf9ff660 R08: 0000000000000000 R09: 0000000000000000 [ 26.079284] R10: 0000000000000000 R11: 0000000000000000 R12: e88001b400000dab [ 26.086517] R13: e88001b400000dc3 R14: ffff8801bf9ff638 R15: dffffc0000000000 [ 26.093755] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 26.101947] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 26.107795] CR2: 0000000020f01fd4 CR3: 0000000006822005 CR4: 00000000001606e0 [ 26.115042] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.122281] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.129521] Call Trace: [ 26.132085] ? bpf_prog_sub+0x60/0x60 [ 26.135856] ? locks_remove_file+0x3fa/0x5a0 [ 26.140228] ? fcntl_setlk+0x10c0/0x10c0 [ 26.144254] bpf_prog_put+0x1a/0x20 [ 26.147849] prog_fd_array_put_ptr+0x15/0x20 [ 26.152221] bpf_fd_array_map_clear+0xd2/0x140 [ 26.156769] ? __bpf_map_put+0x2e0/0x2e0 [ 26.160795] bpf_map_put_uref+0x54/0x70 [ 26.164734] bpf_map_release+0x91/0xc0 [ 26.168588] __fput+0x327/0x7e0 [ 26.171834] ? fput+0x140/0x140 [ 26.175080] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.180933] ____fput+0x15/0x20 [ 26.184180] task_work_run+0x199/0x270 [ 26.188036] ? task_work_cancel+0x210/0x210 [ 26.192320] ? free_nsproxy+0x185/0x1f0 [ 26.196260] ? switch_task_namespaces+0xa2/0xc0 [ 26.200896] do_exit+0x9bb/0x1ad0 [ 26.204314] ? __handle_mm_fault+0x2747/0x3ce0 [ 26.208863] ? mm_update_next_owner+0x930/0x930 [ 26.213501] ? lock_release+0xa40/0xa40 [ 26.217446] ? do_raw_spin_trylock+0x190/0x190 [ 26.222003] ? _raw_spin_unlock+0x22/0x30 [ 26.226123] ? __handle_mm_fault+0x80e/0x3ce0 [ 26.230585] ? check_noncircular+0x20/0x20 [ 26.234784] ? __pmd_alloc+0x4e0/0x4e0 [ 26.238639] ? find_held_lock+0x35/0x1d0 [ 26.242669] ? handle_mm_fault+0x248/0x8d0 [ 26.246870] ? find_held_lock+0x35/0x1d0 [ 26.250898] ? __do_page_fault+0x5f7/0xc90 [ 26.255097] ? lock_downgrade+0x980/0x980 [ 26.259216] ? handle_mm_fault+0x410/0x8d0 [ 26.263416] ? down_read_trylock+0xdb/0x170 [ 26.267701] ? __do_page_fault+0x32d/0xc90 [ 26.271898] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 26.276445] ? vmacache_find+0x5f/0x280 [ 26.280393] ? vmacache_update+0xfe/0x130 [ 26.284518] do_group_exit+0x149/0x400 [ 26.288373] ? SyS_exit+0x30/0x30 [ 26.291794] ? do_fast_syscall_32+0x156/0xf9d [ 26.296254] ? do_group_exit+0x400/0x400 [ 26.300279] SyS_exit_group+0x1d/0x20 [ 26.304047] do_fast_syscall_32+0x3ee/0xf9d [ 26.308337] ? do_int80_syscall_32+0x9d0/0x9d0 [ 26.312896] ? syscall_return_slowpath+0x2ad/0x550 [ 26.317790] ? prepare_exit_to_usermode+0x340/0x340 [ 26.322775] ? sysret32_from_system_call+0x5/0x3b [ 26.327672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.332481] entry_SYSENTER_compat+0x54/0x63 [ 26.336854] RIP: 0023:0xf7fd0c79 [ 26.340184] RSP: 002b:00000000081fff0c EFLAGS: 00000202 ORIG_RAX: 00000000000000fc [ 26.347854] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000806e8b6 [ 26.355089] RDX: 0000000000000000 RSI: 000000000000002c RDI: 0000000020f01fd4 [ 26.362323] RBP: 000000000806e8b6 R08: 0000000000000000 R09: 0000000000000000 [ 26.369558] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.376791] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.384032] Code: f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f3 f3 f3 f3 e8 c9 62 f2 ff 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 07 04 00 00 49 8b 44 24 18 f0 ff 08 74 3a [ 26.403096] RIP: __bpf_prog_put+0x8e/0x580 RSP: ffff8801bf9ff580 [ 26.409266] ---[ end trace b5080c9ac27e0fc1 ]--- [ 26.414025] Kernel panic - not syncing: Fatal exception [ 26.419779] Dumping ftrace buffer: [ 26.423287] (ftrace buffer empty) [ 26.426961] Kernel Offset: disabled [ 26.430558] Rebooting in 86400 seconds..