[....] Starting enhanced syslogd: rsyslogd[ 12.462259] audit: type=1400 audit(1515637324.955:5): avc: denied { syslog } for pid=3355 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: [ 19.365603] audit: type=1400 audit(1515637331.859:6): avc: denied { map } for pid=3497 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 '10.128.0.46' (ECDSA) to the list of known hosts. [ 28.944357] audit: type=1400 audit(1515637341.438:7): avc: denied { map } for pid=3512 comm="syzkaller735930" path="/root/syzkaller735930053" 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 [ 28.970309] audit: type=1400 audit(1515637341.440:8): avc: denied { sys_admin } for pid=3512 comm="syzkaller735930" 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 [ 28.996497] audit: type=1400 audit(1515637341.490:9): avc: denied { sys_chroot } for pid=3513 comm="syzkaller735930" 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 [ 29.021042] audit: type=1400 audit(1515637341.491:10): avc: denied { map_create } for pid=3513 comm="syzkaller735930" 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 [ 29.043716] audit: type=1400 audit(1515637341.491:11): avc: denied { map_read map_write } for pid=3513 comm="syzkaller735930" 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 [ 29.077135] kasan: CONFIG_KASAN_INLINE enabled [ 29.081788] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.089372] general protection fault: 0000 [#1] SMP KASAN [ 29.094902] Dumping ftrace buffer: [ 29.098421] (ftrace buffer empty) [ 29.102108] Modules linked in: [ 29.105275] CPU: 1 PID: 3513 Comm: syzkaller735930 Not tainted 4.15.0-rc7-next-20180110+ #93 [ 29.113816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.123148] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 29.127797] RSP: 0018:ffff8801bf7d7718 EFLAGS: 00010a02 [ 29.133128] RAX: 1aa40037000001ba RBX: 0000000000000001 RCX: ffffffff817e697e [ 29.140368] RDX: 0000000000000000 RSI: 0000000000000001 RDI: d52001b800000db9 [ 29.147607] RBP: ffff8801bf7d77f8 R08: 0000000000000000 R09: 0000000000000000 [ 29.154844] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037efaee6 [ 29.162080] R13: ffff8801bf7d77d0 R14: d52001b800000db9 R15: dffffc0000000000 [ 29.169320] FS: 000000000210b880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 29.177518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.183368] CR2: 00000000204f9fe4 CR3: 0000000006822001 CR4: 00000000001606e0 [ 29.190613] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.197850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.205091] Call Trace: [ 29.207653] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 29.212646] ? locks_remove_file+0x3fa/0x5a0 [ 29.217027] ? fcntl_setlk+0x10c0/0x10c0 [ 29.221056] bpf_prog_put+0x1a/0x20 [ 29.224653] prog_fd_array_put_ptr+0x15/0x20 [ 29.229029] bpf_fd_array_map_clear+0xd2/0x140 [ 29.233580] ? __bpf_map_put+0x2e0/0x2e0 [ 29.237607] bpf_map_put_uref+0x54/0x70 [ 29.241552] bpf_map_release+0x91/0xc0 [ 29.245405] __fput+0x327/0x7e0 [ 29.248651] ? fput+0x140/0x140 [ 29.251901] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.257754] ____fput+0x15/0x20 [ 29.261020] task_work_run+0x199/0x270 [ 29.264882] ? task_work_cancel+0x210/0x210 [ 29.269178] ? free_nsproxy+0x185/0x1f0 [ 29.273122] ? switch_task_namespaces+0xa2/0xc0 [ 29.277764] do_exit+0x9bb/0x1ad0 [ 29.281197] ? __pmd_alloc+0x4e0/0x4e0 [ 29.285056] ? vma_link+0xe9/0x170 [ 29.288582] ? mm_update_next_owner+0x930/0x930 [ 29.293238] ? find_held_lock+0x35/0x1d0 [ 29.297272] ? handle_mm_fault+0x2a0/0x930 [ 29.301480] ? find_held_lock+0x35/0x1d0 [ 29.305513] ? __do_page_fault+0x5f7/0xc90 [ 29.309722] ? lock_downgrade+0x980/0x980 [ 29.313843] ? down_read_trylock+0xdb/0x170 [ 29.318133] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 29.322682] ? vmacache_find+0x5f/0x280 [ 29.326622] ? vmacache_update+0xfe/0x130 [ 29.330738] ? up_read+0x1a/0x40 [ 29.334073] ? __do_page_fault+0x3d6/0xc90 [ 29.338278] ? mm_fault_error+0x2c0/0x2c0 [ 29.342397] ? do_page_fault+0xee/0x720 [ 29.346344] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.351848] ? __do_page_fault+0xc90/0xc90 [ 29.356058] do_group_exit+0x149/0x400 [ 29.359913] ? SyS_exit+0x30/0x30 [ 29.363342] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.368346] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.373098] SyS_exit_group+0x1d/0x20 [ 29.376881] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 29.381612] RIP: 0033:0x440a69 [ 29.384772] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 29.392465] RAX: ffffffffffffffda RBX: 00007ffd076e5420 RCX: 0000000000440a69 [ 29.399705] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 29.406945] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.414183] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 29.421421] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 29.428666] 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 [ 29.447755] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bf7d7718 [ 29.453942] ---[ end trace 897a6cf71b8e0460 ]--- [ 29.458849] Kernel panic - not syncing: Fatal exception [ 29.464544] Dumping ftrace buffer: [ 29.468054] (ftrace buffer empty) [ 29.471730] Kernel Offset: disabled [ 29.475328] Rebooting in 86400 seconds..