[....] Starting enhanced syslogd: rsyslogd[ 12.147492] audit: type=1400 audit(1515733963.683:5): avc: denied { syslog } for pid=3345 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: [ 18.533058] audit: type=1400 audit(1515733970.068:6): avc: denied { map } for pid=3485 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 '10.128.15.215' (ECDSA) to the list of known hosts. [ 24.760402] audit: type=1400 audit(1515733976.296:7): avc: denied { map } for pid=3499 comm="syzkaller140992" path="/root/syzkaller140992027" 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 [ 24.786373] audit: type=1400 audit(1515733976.296:8): avc: denied { sys_admin } for pid=3499 comm="syzkaller140992" 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 [ 24.976483] audit: type=1400 audit(1515733976.512:9): avc: denied { sys_chroot } for pid=3500 comm="syzkaller140992" 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 [ 25.001174] audit: type=1400 audit(1515733976.512:10): avc: denied { map_create } for pid=3500 comm="syzkaller140992" 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 [ 25.023971] audit: type=1400 audit(1515733976.513:11): avc: denied { map_read map_write } for pid=3500 comm="syzkaller140992" 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 [ 25.054857] kasan: CONFIG_KASAN_INLINE enabled [ 25.059513] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.067073] general protection fault: 0000 [#1] SMP KASAN [ 25.072593] Dumping ftrace buffer: [ 25.076099] (ftrace buffer empty) [ 25.079777] Modules linked in: [ 25.082938] CPU: 0 PID: 3500 Comm: syzkaller140992 Not tainted 4.15.0-rc7+ #258 [ 25.090349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.099680] RIP: 0010:__bpf_prog_put+0x8e/0x580 [ 25.104313] RSP: 0018:ffff8801c00bf718 EFLAGS: 00010a07 [ 25.109642] RAX: 1e200036200001b8 RBX: 1ffff10038017ee6 RCX: ffffffff817db4b7 [ 25.116881] RDX: 0000000000000000 RSI: 0000000000000001 RDI: f10001b100000dac [ 25.124127] RBP: ffff8801c00bf7f8 R08: 0000000000000000 R09: 0000000000000000 [ 25.131365] R10: 0000000000000000 R11: 0000000000000000 R12: f10001b100000dac [ 25.138602] R13: f10001b100000dc4 R14: ffff8801c00bf7d0 R15: dffffc0000000000 [ 25.145842] FS: 00000000016ac880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 25.154784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.160641] CR2: 0000000020f01fd4 CR3: 0000000006822005 CR4: 00000000001606f0 [ 25.167881] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.175119] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.182358] Call Trace: [ 25.184923] ? bpf_prog_sub+0x60/0x60 [ 25.188696] ? locks_remove_file+0x3fa/0x5a0 [ 25.193080] ? fcntl_setlk+0x10c0/0x10c0 [ 25.197119] bpf_prog_put+0x1a/0x20 [ 25.200715] prog_fd_array_put_ptr+0x15/0x20 [ 25.205091] bpf_fd_array_map_clear+0xd2/0x140 [ 25.209642] ? __bpf_map_put+0x2e0/0x2e0 [ 25.213670] bpf_map_put_uref+0x54/0x70 [ 25.217622] bpf_map_release+0x91/0xc0 [ 25.221479] __fput+0x327/0x7e0 [ 25.224731] ? fput+0x140/0x140 [ 25.227979] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 25.233836] ____fput+0x15/0x20 [ 25.237094] task_work_run+0x199/0x270 [ 25.240952] ? task_work_cancel+0x210/0x210 [ 25.245257] ? free_nsproxy+0x185/0x1f0 [ 25.249234] ? switch_task_namespaces+0xa2/0xc0 [ 25.253887] do_exit+0x9bb/0x1ad0 [ 25.257311] ? __pmd_alloc+0x4e0/0x4e0 [ 25.261166] ? vma_link+0xe9/0x170 [ 25.264674] ? mm_update_next_owner+0x930/0x930 [ 25.269315] ? find_held_lock+0x35/0x1d0 [ 25.273370] ? handle_mm_fault+0x248/0x8d0 [ 25.277583] ? find_held_lock+0x35/0x1d0 [ 25.281617] ? __do_page_fault+0x5f7/0xc90 [ 25.285828] ? lock_downgrade+0x980/0x980 [ 25.289957] ? down_read_trylock+0xdb/0x170 [ 25.294428] ? __do_page_fault+0x32d/0xc90 [ 25.298643] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.303193] ? vmacache_find+0x5f/0x280 [ 25.307133] ? vmacache_update+0xfe/0x130 [ 25.311250] ? up_read+0x1a/0x40 [ 25.314584] ? __do_page_fault+0x3d6/0xc90 [ 25.318788] ? mm_fault_error+0x2c0/0x2c0 [ 25.322910] ? do_page_fault+0xee/0x720 [ 25.326854] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 25.332357] ? __do_page_fault+0xc90/0xc90 [ 25.336564] do_group_exit+0x149/0x400 [ 25.340434] ? SyS_exit+0x30/0x30 [ 25.343856] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.348850] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.353599] SyS_exit_group+0x1d/0x20 [ 25.357378] entry_SYSCALL_64_fastpath+0x23/0x9a [ 25.362111] RIP: 0033:0x440a69 [ 25.365277] RSP: 002b:00000000007dff48 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 25.372965] RAX: ffffffffffffffda RBX: 00007ffe4e7f1560 RCX: 0000000000440a69 [ 25.380203] RDX: 0000000000440a69 RSI: 000000000000002c RDI: 0000000000000001 [ 25.387453] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 25.394699] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000402240 [ 25.401936] R13: 00000000004022d0 R14: 0000000000000000 R15: 0000000000000000 [ 25.409180] Code: f1 f1 f1 c7 40 04 00 f2 f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f3 f3 f3 f3 e8 c9 62 f2 ff 4c 89 e8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 07 04 00 00 49 8b 44 24 18 f0 ff 08 74 3a [ 25.428259] RIP: __bpf_prog_put+0x8e/0x580 RSP: ffff8801c00bf718 [ 25.434477] ---[ end trace 52e969fb65d3fffd ]--- [ 25.439242] Kernel panic - not syncing: Fatal exception [ 25.444602] Dumping ftrace buffer: [ 25.448116] (ftrace buffer empty) [ 25.451801] Kernel Offset: disabled [ 25.455583] Rebooting in 86400 seconds..