[....] Starting enhanced syslogd: rsyslogd[ 11.613854] audit: type=1400 audit(1515689809.577:5): 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: [ 17.298651] audit: type=1400 audit(1515689815.262:6): avc: denied { map } for pid=3493 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 '10.128.15.238' (ECDSA) to the list of known hosts. [ 23.496745] audit: type=1400 audit(1515689821.460:7): avc: denied { map } for pid=3508 comm="syzkaller748765" path="/root/syzkaller748765939" 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 [ 23.522785] audit: type=1400 audit(1515689821.460:8): avc: denied { sys_admin } for pid=3508 comm="syzkaller748765" 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 [ 23.552509] audit: type=1400 audit(1515689821.516:9): avc: denied { sys_chroot } for pid=3509 comm="syzkaller748765" 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 [ 23.577070] audit: type=1400 audit(1515689821.517:10): avc: denied { map_create } for pid=3509 comm="syzkaller748765" 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 [ 23.599843] audit: type=1400 audit(1515689821.518:11): avc: denied { map_read map_write } for pid=3509 comm="syzkaller748765" 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 [ 23.633133] kasan: CONFIG_KASAN_INLINE enabled [ 23.637809] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 23.645350] general protection fault: 0000 [#1] SMP KASAN [ 23.650888] Dumping ftrace buffer: [ 23.654398] (ftrace buffer empty) [ 23.658075] Modules linked in: [ 23.661243] CPU: 0 PID: 3509 Comm: syzkaller748765 Not tainted 4.15.0-rc7-mm1+ #53 [ 23.668912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.678260] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 23.682892] RSP: 0018:ffff8801c4a77718 EFLAGS: 00010a03 [ 23.688228] RAX: 19340037000001b9 RBX: 0000000000000001 RCX: ffffffff817e69de [ 23.695468] RDX: 0000000000000000 RSI: 0000000000000001 RDI: c9a001b800000db5 [ 23.702705] RBP: ffff8801c4a777f8 R08: 0000000000000000 R09: 0000000000000000 [ 23.709946] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1003894eee6 [ 23.717194] R13: ffff8801c4a777d0 R14: c9a001b800000db5 R15: dffffc0000000000 [ 23.724438] FS: 0000000001107880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 23.732628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.738475] CR2: 00000000204f9fe4 CR3: 0000000006822002 CR4: 00000000001606f0 [ 23.745712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.752946] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.760181] Call Trace: [ 23.762741] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 23.767737] ? locks_remove_file+0x3fa/0x5a0 [ 23.772123] ? fcntl_setlk+0x10c0/0x10c0 [ 23.776156] bpf_prog_put+0x1a/0x20 [ 23.779749] prog_fd_array_put_ptr+0x15/0x20 [ 23.784122] bpf_fd_array_map_clear+0xd2/0x140 [ 23.788670] ? __bpf_map_put+0x2e0/0x2e0 [ 23.792701] bpf_map_put_uref+0x54/0x70 [ 23.796641] bpf_map_release+0x91/0xc0 [ 23.800495] __fput+0x327/0x7e0 [ 23.803742] ? fput+0x140/0x140 [ 23.806988] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 23.812845] ____fput+0x15/0x20 [ 23.816094] task_work_run+0x199/0x270 [ 23.819947] ? task_work_cancel+0x210/0x210 [ 23.824235] ? free_nsproxy+0x185/0x1f0 [ 23.828174] ? switch_task_namespaces+0xa2/0xc0 [ 23.832811] do_exit+0x9bb/0x1ad0 [ 23.836229] ? __pmd_alloc+0x4e0/0x4e0 [ 23.840081] ? vma_link+0xe9/0x170 [ 23.843589] ? mm_update_next_owner+0x930/0x930 [ 23.848229] ? find_held_lock+0x35/0x1d0 [ 23.852269] ? handle_mm_fault+0x2a0/0x930 [ 23.856468] ? find_held_lock+0x35/0x1d0 [ 23.860498] ? __do_page_fault+0x5f7/0xc90 [ 23.864698] ? lock_downgrade+0x980/0x980 [ 23.868816] ? down_read_trylock+0xdb/0x170 [ 23.873106] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 23.877652] ? vmacache_find+0x5f/0x280 [ 23.881596] ? vmacache_update+0xfe/0x130 [ 23.885711] ? up_read+0x1a/0x40 [ 23.889042] ? __do_page_fault+0x3d6/0xc90 [ 23.893246] ? mm_fault_error+0x2c0/0x2c0 [ 23.897368] ? do_page_fault+0xee/0x720 [ 23.901312] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 23.906816] ? __do_page_fault+0xc90/0xc90 [ 23.911026] do_group_exit+0x149/0x400 [ 23.914885] ? SyS_exit+0x30/0x30 [ 23.918305] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.923286] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 23.928021] SyS_exit_group+0x1d/0x20 [ 23.931790] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 23.936511] RIP: 0033:0x440a69 [ 23.939664] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 23.947337] RAX: ffffffffffffffda RBX: 00007ffe0a369590 RCX: 0000000000440a69 [ 23.954571] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 23.961807] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.969047] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 23.976283] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 23.983532] 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 [ 24.002613] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801c4a77718 [ 24.008802] ---[ end trace 535b9e0518433274 ]--- [ 24.013685] Kernel panic - not syncing: Fatal exception [ 24.019057] Dumping ftrace buffer: [ 24.022568] (ftrace buffer empty) [ 24.026245] Kernel Offset: disabled [ 24.029839] Rebooting in 86400 seconds..