[....] Starting enhanced syslogd: rsyslogd[ 13.259791] audit: type=1400 audit(1515709109.897:5): avc: denied { syslog } for pid=3362 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: [ 19.815231] audit: type=1400 audit(1515709116.452:6): avc: denied { map } for pid=3502 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 '10.128.0.54' (ECDSA) to the list of known hosts. [ 26.073681] audit: type=1400 audit(1515709122.711:7): avc: denied { map } for pid=3516 comm="syzkaller115866" path="/root/syzkaller115866217" 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 executing program [ 26.099988] audit: type=1400 audit(1515709122.711:8): avc: denied { sys_admin } for pid=3516 comm="syzkaller115866" 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 [ 26.129661] audit: type=1400 audit(1515709122.767:9): avc: denied { sys_chroot } for pid=3517 comm="syzkaller115866" 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 [ 26.154482] audit: type=1400 audit(1515709122.768:10): avc: denied { map_create } for pid=3517 comm="syzkaller115866" 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 [ 26.177343] audit: type=1400 audit(1515709122.769:11): avc: denied { map_read map_write } for pid=3517 comm="syzkaller115866" 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 [ 26.203654] kasan: CONFIG_KASAN_INLINE enabled [ 26.208348] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 26.215760] general protection fault: 0000 [#1] SMP KASAN [ 26.221273] Dumping ftrace buffer: [ 26.224785] (ftrace buffer empty) [ 26.228466] Modules linked in: [ 26.231633] CPU: 0 PID: 3517 Comm: syzkaller115866 Not tainted 4.15.0-rc7-mm1+ #53 [ 26.239308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.248648] RIP: 0010:__bpf_prog_put+0x8d/0x640 [ 26.253283] RSP: 0018:ffff8801bef57718 EFLAGS: 00010a03 [ 26.258617] RAX: 11ac0037000001ba RBX: 0000000000000001 RCX: ffffffff817e69de [ 26.265859] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 8d6001b800000dbd [ 26.273101] RBP: ffff8801bef577f8 R08: 0000000000000000 R09: 0000000000000000 [ 26.280342] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10037deaee6 [ 26.287587] R13: ffff8801bef577d0 R14: 8d6001b800000dbd R15: dffffc0000000000 [ 26.294833] FS: 0000000001dc4880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 26.303031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.308883] CR2: 00000000204f9fe4 CR3: 0000000006822003 CR4: 00000000001606f0 [ 26.316128] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.323369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.330612] Call Trace: [ 26.333183] ? bpf_prog_free_id.part.21+0x1f0/0x1f0 [ 26.338174] ? locks_remove_file+0x3fa/0x5a0 [ 26.342552] ? fcntl_setlk+0x10c0/0x10c0 [ 26.346584] bpf_prog_put+0x1a/0x20 [ 26.350184] prog_fd_array_put_ptr+0x15/0x20 [ 26.354565] bpf_fd_array_map_clear+0xd2/0x140 [ 26.359131] ? __bpf_map_put+0x2e0/0x2e0 [ 26.363162] bpf_map_put_uref+0x54/0x70 [ 26.367106] bpf_map_release+0x91/0xc0 [ 26.370964] __fput+0x327/0x7e0 [ 26.374216] ? fput+0x140/0x140 [ 26.377465] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 26.383322] ____fput+0x15/0x20 [ 26.386595] task_work_run+0x199/0x270 [ 26.390457] ? task_work_cancel+0x210/0x210 [ 26.394797] ? free_nsproxy+0x185/0x1f0 [ 26.398755] ? switch_task_namespaces+0xa2/0xc0 [ 26.403401] do_exit+0x9bb/0x1ad0 [ 26.406826] ? __pmd_alloc+0x4e0/0x4e0 [ 26.410684] ? vma_link+0xe9/0x170 [ 26.414197] ? mm_update_next_owner+0x930/0x930 [ 26.418856] ? find_held_lock+0x35/0x1d0 [ 26.422907] ? handle_mm_fault+0x2a0/0x930 [ 26.427114] ? find_held_lock+0x35/0x1d0 [ 26.431151] ? __do_page_fault+0x5f7/0xc90 [ 26.435364] ? lock_downgrade+0x980/0x980 [ 26.439489] ? down_read_trylock+0xdb/0x170 [ 26.443783] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 26.448344] ? vmacache_find+0x5f/0x280 [ 26.452292] ? vmacache_update+0xfe/0x130 [ 26.456415] ? up_read+0x1a/0x40 [ 26.459760] ? __do_page_fault+0x3d6/0xc90 [ 26.463971] ? mm_fault_error+0x2c0/0x2c0 [ 26.468098] ? do_page_fault+0xee/0x720 [ 26.472051] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 26.477571] ? __do_page_fault+0xc90/0xc90 [ 26.481793] do_group_exit+0x149/0x400 [ 26.485666] ? SyS_exit+0x30/0x30 [ 26.489184] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.494174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.498905] SyS_exit_group+0x1d/0x20 [ 26.502693] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 26.507447] RIP: 0033:0x440a69 [ 26.510615] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 26.518294] RAX: ffffffffffffffda RBX: 00007fffb0bad860 RCX: 0000000000440a69 [ 26.525555] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 26.532800] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.540044] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 26.547288] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 26.554541] 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 [ 26.573678] RIP: __bpf_prog_put+0x8d/0x640 RSP: ffff8801bef57718 [ 26.579901] ---[ end trace de7a3669bfaefcc8 ]--- [ 26.584842] Kernel panic - not syncing: Fatal exception [ 26.590645] Dumping ftrace buffer: [ 26.594167] (ftrace buffer empty) [ 26.597851] Kernel Offset: disabled [ 26.601450] Rebooting in 86400 seconds..