[....] Starting enhanced syslogd: rsyslogd[ 11.290830] audit: type=1400 audit(1515651461.609:5): avc: denied { syslog } for pid=3328 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: [ 16.797320] audit: type=1400 audit(1515651467.116:6): avc: denied { map } for pid=3469 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. [ 35.144290] audit: type=1400 audit(1515651485.463:7): avc: denied { map } for pid=3488 comm="syzkaller661363" path="/root/syzkaller661363780" 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 [ 35.170305] audit: type=1400 audit(1515651485.463:8): avc: denied { sys_admin } for pid=3488 comm="syzkaller661363" 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 [ 35.197550] audit: type=1400 audit(1515651485.516:9): avc: denied { sys_chroot } for pid=3489 comm="syzkaller661363" 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 [ 35.222091] audit: type=1400 audit(1515651485.518:10): avc: denied { map_create } for pid=3489 comm="syzkaller661363" 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 [ 35.244924] audit: type=1400 audit(1515651485.518:11): avc: denied { map_read map_write } for pid=3489 comm="syzkaller661363" 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 [ 35.270958] kasan: CONFIG_KASAN_INLINE enabled [ 35.275580] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.282955] general protection fault: 0000 [#1] SMP KASAN [ 35.288462] Dumping ftrace buffer: [ 35.291966] (ftrace buffer empty) [ 35.295643] Modules linked in: [ 35.298807] CPU: 1 PID: 3489 Comm: syzkaller661363 Not tainted 4.15.0-rc7-mm1+ #53 [ 35.306496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.315824] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 35.320462] RSP: 0018:ffff8801c0187718 EFLAGS: 00010a06 [ 35.325789] RAX: 10740037200001b7 RBX: 0000000000000001 RCX: ffffffff817e69de [ 35.333024] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 83a001b900000da1 [ 35.340258] RBP: ffff8801c01877f8 R08: 0000000000000000 R09: 0000000000000000 [ 35.347492] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10038030ee6 [ 35.354743] R13: ffff8801c01877d0 R14: 83a001b900000da1 R15: dffffc0000000000 [ 35.361983] FS: 0000000002239880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 35.370185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.376038] CR2: 0000563e543a60f8 CR3: 0000000006822004 CR4: 00000000001606e0 [ 35.383275] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.390511] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.397751] Call Trace: [ 35.400307] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 35.405291] ? locks_remove_file+0x3fa/0x5a0 [ 35.409674] ? fcntl_setlk+0x10c0/0x10c0 [ 35.413702] bpf_prog_put+0x1a/0x20 [ 35.417296] prog_fd_array_put_ptr+0x15/0x20 [ 35.421670] bpf_fd_array_map_clear+0xd2/0x140 [ 35.426226] ? __bpf_map_put+0x2e0/0x2e0 [ 35.430253] bpf_map_put_uref+0x54/0x70 [ 35.434204] bpf_map_release+0x91/0xc0 [ 35.438059] __fput+0x327/0x7e0 [ 35.441315] ? fput+0x140/0x140 [ 35.444562] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 35.450419] ____fput+0x15/0x20 [ 35.453669] task_work_run+0x199/0x270 [ 35.457525] ? task_work_cancel+0x210/0x210 [ 35.461814] ? free_nsproxy+0x185/0x1f0 [ 35.465756] ? switch_task_namespaces+0xa2/0xc0 [ 35.470394] do_exit+0x9bb/0x1ad0 [ 35.473813] ? __pmd_alloc+0x4e0/0x4e0 [ 35.477674] ? vma_link+0xe9/0x170 [ 35.481200] ? mm_update_next_owner+0x930/0x930 [ 35.485836] ? find_held_lock+0x35/0x1d0 [ 35.489881] ? handle_mm_fault+0x2a0/0x930 [ 35.494083] ? find_held_lock+0x35/0x1d0 [ 35.498122] ? __do_page_fault+0x5f7/0xc90 [ 35.502337] ? lock_downgrade+0x980/0x980 [ 35.506463] ? down_read_trylock+0xdb/0x170 [ 35.510757] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 35.515310] ? vmacache_find+0x5f/0x280 [ 35.519247] ? vmacache_update+0xfe/0x130 [ 35.523361] ? up_read+0x1a/0x40 [ 35.526695] ? __do_page_fault+0x3d6/0xc90 [ 35.530899] ? mm_fault_error+0x2c0/0x2c0 [ 35.535038] ? do_page_fault+0xee/0x720 [ 35.538979] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 35.544483] ? __do_page_fault+0xc90/0xc90 [ 35.548688] do_group_exit+0x149/0x400 [ 35.552547] ? SyS_exit+0x30/0x30 [ 35.555972] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.560955] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.565678] SyS_exit_group+0x1d/0x20 [ 35.569445] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 35.574170] RIP: 0033:0x440a69 [ 35.577324] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 35.585006] RAX: ffffffffffffffda RBX: 00007ffcd28c5f00 RCX: 0000000000440a69 [ 35.592243] RDX: 0000000000440a69 RSI: 000000000000001c RDI: 0000000000000001 [ 35.599477] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.606714] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 35.613950] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 35.621204] 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 [ 35.640277] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801c0187718 [ 35.646464] ---[ end trace d2c6400f3cb3dbf1 ]--- [ 35.651356] Kernel panic - not syncing: Fatal exception [ 35.656713] Dumping ftrace buffer: [ 35.660220] (ftrace buffer empty) [ 35.663895] Kernel Offset: disabled [ 35.667487] Rebooting in 86400 seconds..