[....] Starting enhanced syslogd: rsyslogd[ 11.383655] audit: type=1400 audit(1515692136.191:5): 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: [ 19.350643] audit: type=1400 audit(1515692144.158:6): avc: denied { map } for pid=3495 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 '10.128.15.231' (ECDSA) to the list of known hosts. [ 35.322748] audit: type=1400 audit(1515692160.130:7): avc: denied { map } for pid=3512 comm="syzkaller847016" path="/root/syzkaller847016238" 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 [ 35.348757] audit: type=1400 audit(1515692160.130:8): avc: denied { sys_admin } for pid=3512 comm="syzkaller847016" 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 [ 35.379579] audit: type=1400 audit(1515692160.187:9): avc: denied { sys_chroot } for pid=3513 comm="syzkaller847016" 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 [ 35.404158] audit: type=1400 audit(1515692160.188:10): avc: denied { map_create } for pid=3513 comm="syzkaller847016" 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 [ 35.426831] audit: type=1400 audit(1515692160.189:11): avc: denied { map_read map_write } for pid=3513 comm="syzkaller847016" 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 [ 35.453416] kasan: CONFIG_KASAN_INLINE enabled [ 35.458054] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.465456] general protection fault: 0000 [#1] SMP KASAN [ 35.470970] Dumping ftrace buffer: [ 35.474484] (ftrace buffer empty) [ 35.478164] Modules linked in: [ 35.481330] CPU: 0 PID: 3513 Comm: syzkaller847016 Not tainted 4.15.0-rc7-next-20180111+ #94 [ 35.489883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.499240] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 35.503876] RSP: 0018:ffff8801c0217718 EFLAGS: 00010a02 [ 35.509207] RAX: 19ec0037000001ba RBX: 0000000000000001 RCX: ffffffff817ea71e [ 35.516621] RDX: 0000000000000000 RSI: 0000000000000001 RDI: cf6001b800000db9 [ 35.523862] RBP: ffff8801c02177f8 R08: 0000000000000000 R09: 0000000000000000 [ 35.531378] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10038042ee6 [ 35.538879] R13: ffff8801c02177d0 R14: cf6001b800000db9 R15: dffffc0000000000 [ 35.546133] FS: 00000000008ea880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 35.554328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.560182] CR2: 00000000204f9fe4 CR3: 0000000006822002 CR4: 00000000001606f0 [ 35.567425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.574666] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.581905] Call Trace: [ 35.584472] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 35.589463] ? locks_remove_file+0x3fa/0x5a0 [ 35.593840] ? fcntl_setlk+0x10c0/0x10c0 [ 35.597869] bpf_prog_put+0x1a/0x20 [ 35.601467] prog_fd_array_put_ptr+0x15/0x20 [ 35.605851] bpf_fd_array_map_clear+0xd2/0x140 [ 35.610409] ? __bpf_map_put+0x2e0/0x2e0 [ 35.614438] bpf_map_put_uref+0x54/0x70 [ 35.618380] bpf_map_release+0x91/0xc0 [ 35.622245] __fput+0x327/0x7e0 [ 35.625495] ? fput+0x140/0x140 [ 35.628755] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.634611] ____fput+0x15/0x20 [ 35.637861] task_work_run+0x199/0x270 [ 35.641715] ? task_work_cancel+0x210/0x210 [ 35.646005] ? free_nsproxy+0x185/0x1f0 [ 35.649959] ? switch_task_namespaces+0xa2/0xc0 [ 35.654695] do_exit+0x9bb/0x1ad0 [ 35.658121] ? __pmd_alloc+0x4e0/0x4e0 [ 35.661980] ? vma_link+0xe9/0x170 [ 35.665491] ? mm_update_next_owner+0x930/0x930 [ 35.670132] ? find_held_lock+0x35/0x1d0 [ 35.674183] ? handle_mm_fault+0x2a0/0x930 [ 35.679064] ? find_held_lock+0x35/0x1d0 [ 35.683102] ? __do_page_fault+0x5f7/0xc90 [ 35.687308] ? lock_downgrade+0x980/0x980 [ 35.691431] ? down_read_trylock+0xdb/0x170 [ 35.695752] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.700301] ? vmacache_find+0x5f/0x280 [ 35.704245] ? vmacache_update+0xfe/0x130 [ 35.708363] ? up_read+0x1a/0x40 [ 35.711725] ? __do_page_fault+0x3d6/0xc90 [ 35.715934] ? mm_fault_error+0x2c0/0x2c0 [ 35.720062] ? do_page_fault+0xee/0x720 [ 35.724006] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 35.729538] ? __do_page_fault+0xc90/0xc90 [ 35.733754] do_group_exit+0x149/0x400 [ 35.737613] ? SyS_exit+0x30/0x30 [ 35.741034] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.746019] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.750754] SyS_exit_group+0x1d/0x20 [ 35.754528] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.759254] RIP: 0033:0x440a69 [ 35.762413] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 35.770088] RAX: ffffffffffffffda RBX: 00007ffc71bb49f0 RCX: 0000000000440a69 [ 35.777325] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 35.784571] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.791824] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 35.799062] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 35.806310] 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 [ 35.825384] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801c0217718 [ 35.831589] ---[ end trace b9209e9c9fcbb3a5 ]--- [ 35.836505] Kernel panic - not syncing: Fatal exception [ 35.842229] Dumping ftrace buffer: [ 35.845742] (ftrace buffer empty) [ 35.849429] Kernel Offset: disabled [ 35.853039] Rebooting in 86400 seconds..