[....] Starting enhanced syslogd: rsyslogd[ 12.723748] audit: type=1400 audit(1515652428.547:5): avc: denied { syslog } for pid=3357 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: [ 18.609931] audit: type=1400 audit(1515652434.433:6): 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 '10.128.15.228' (ECDSA) to the list of known hosts. [ 24.828343] audit: type=1400 audit(1515652440.652:7): avc: denied { map } for pid=3511 comm="syzkaller140600" path="/root/syzkaller140600085" 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 [ 24.854336] audit: type=1400 audit(1515652440.656:8): avc: denied { sys_admin } for pid=3511 comm="syzkaller140600" 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 [ 24.883482] audit: type=1400 audit(1515652440.707:9): avc: denied { sys_chroot } for pid=3512 comm="syzkaller140600" 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 [ 24.907992] audit: type=1400 audit(1515652440.708:10): avc: denied { map_create } for pid=3512 comm="syzkaller140600" 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 [ 24.930780] audit: type=1400 audit(1515652440.709:11): avc: denied { map_read map_write } for pid=3512 comm="syzkaller140600" 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 [ 24.964994] kasan: CONFIG_KASAN_INLINE enabled [ 24.969645] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.977195] general protection fault: 0000 [#1] SMP KASAN [ 24.982714] Dumping ftrace buffer: [ 24.986266] (ftrace buffer empty) [ 24.989941] Modules linked in: [ 24.993102] CPU: 0 PID: 3512 Comm: syzkaller140600 Not tainted 4.15.0-rc7-next-20180110+ #93 [ 25.001640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.010969] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 25.015600] RSP: 0018:ffff8801c8667718 EFLAGS: 00010a02 [ 25.020928] RAX: 16a80037000001ba RBX: 0000000000000001 RCX: ffffffff817e697e [ 25.028164] RDX: 0000000000000000 RSI: 0000000000000001 RDI: b54001b800000db8 [ 25.035399] RBP: ffff8801c86677f8 R08: 0000000000000000 R09: 0000000000000000 [ 25.042638] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff100390ccee6 [ 25.049877] R13: ffff8801c86677d0 R14: b54001b800000db8 R15: dffffc0000000000 [ 25.057113] FS: 0000000001d19880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 25.065306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.071152] CR2: 0000000020000000 CR3: 0000000006822006 CR4: 00000000001606f0 [ 25.078389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.085623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.092863] Call Trace: [ 25.095420] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 25.100405] ? locks_remove_file+0x3fa/0x5a0 [ 25.104779] ? fcntl_setlk+0x10c0/0x10c0 [ 25.108810] bpf_prog_put+0x1a/0x20 [ 25.112404] prog_fd_array_put_ptr+0x15/0x20 [ 25.116779] bpf_fd_array_map_clear+0xd2/0x140 [ 25.121329] ? __bpf_map_put+0x2e0/0x2e0 [ 25.125357] bpf_map_put_uref+0x54/0x70 [ 25.129297] bpf_map_release+0x91/0xc0 [ 25.133152] __fput+0x327/0x7e0 [ 25.136401] ? fput+0x140/0x140 [ 25.139650] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.145503] ____fput+0x15/0x20 [ 25.148747] task_work_run+0x199/0x270 [ 25.152601] ? task_work_cancel+0x210/0x210 [ 25.156889] ? free_nsproxy+0x185/0x1f0 [ 25.160834] ? switch_task_namespaces+0xa2/0xc0 [ 25.165470] do_exit+0x9bb/0x1ad0 [ 25.168890] ? __pmd_alloc+0x4e0/0x4e0 [ 25.172742] ? vma_link+0xe9/0x170 [ 25.176250] ? mm_update_next_owner+0x930/0x930 [ 25.180885] ? find_held_lock+0x35/0x1d0 [ 25.184913] ? handle_mm_fault+0x2a0/0x930 [ 25.189113] ? find_held_lock+0x35/0x1d0 [ 25.193146] ? __do_page_fault+0x5f7/0xc90 [ 25.197351] ? lock_downgrade+0x980/0x980 [ 25.201469] ? down_read_trylock+0xdb/0x170 [ 25.205757] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.210303] ? vmacache_find+0x5f/0x280 [ 25.214240] ? vmacache_update+0xfe/0x130 [ 25.218355] ? up_read+0x1a/0x40 [ 25.221686] ? __do_page_fault+0x3d6/0xc90 [ 25.225889] ? mm_fault_error+0x2c0/0x2c0 [ 25.230012] ? do_page_fault+0xee/0x720 [ 25.233956] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 25.239459] ? __do_page_fault+0xc90/0xc90 [ 25.243670] do_group_exit+0x149/0x400 [ 25.247523] ? SyS_exit+0x30/0x30 [ 25.250942] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.255923] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.260648] SyS_exit_group+0x1d/0x20 [ 25.264414] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.269134] RIP: 0033:0x440a69 [ 25.272288] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 25.279960] RAX: ffffffffffffffda RBX: 00007fffe78b40a0 RCX: 0000000000440a69 [ 25.287193] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 25.294434] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.301672] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 25.308912] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 25.316152] 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 [ 25.335228] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801c8667718 [ 25.341417] ---[ end trace a9061a712e355365 ]--- [ 25.346312] Kernel panic - not syncing: Fatal exception [ 25.352105] Dumping ftrace buffer: [ 25.355616] (ftrace buffer empty) [ 25.359294] Kernel Offset: disabled [ 25.362888] Rebooting in 86400 seconds..