[....] Starting enhanced syslogd: rsyslogd[ 12.604684] audit: type=1400 audit(1515803239.703:5): avc: denied { syslog } for pid=3359 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.989009] audit: type=1400 audit(1515803245.087:6): avc: denied { map } for pid=3498 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 '10.128.15.244' (ECDSA) to the list of known hosts. executing program [ 24.339720] audit: type=1400 audit(1515803251.438:7): avc: denied { map } for pid=3513 comm="syzkaller203131" path="/root/syzkaller203131275" 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 [ 24.365695] audit: type=1400 audit(1515803251.438:8): avc: denied { prog_load } for pid=3513 comm="syzkaller203131" 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 [ 24.388628] audit: type=1400 audit(1515803251.487:9): avc: denied { prog_run } for pid=3513 comm="syzkaller203131" 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 [ 24.389588] divide error: 0000 [#1] SMP KASAN [ 24.389592] Dumping ftrace buffer: [ 24.389595] (ftrace buffer empty) [ 24.389596] Modules linked in: [ 24.389603] CPU: 1 PID: 3513 Comm: syzkaller203131 Not tainted 4.15.0-rc7-next-20180112+ #95 [ 24.389605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.389614] RIP: 0010:___bpf_prog_run+0x3cc7/0x6100 [ 24.389616] RSP: 0018:ffff8801beacf200 EFLAGS: 00010246 [ 24.389620] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 24.389622] RDX: 0000000000000000 RSI: ffffc90000002030 RDI: ffffc90000002049 [ 24.389624] RBP: ffff8801beacf308 R08: 1ffff10037d59dd9 R09: 0000000000000002 [ 24.389626] R10: ffff8801beacf388 R11: 0000000000000000 R12: ffff8801beacf340 [ 24.389629] R13: ffffc90000002048 R14: ffff8801beacf340 R15: 00000000fffffffc [ 24.389632] FS: 000000000103d880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 24.389634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.389637] CR2: 0000000020fd3000 CR3: 00000001bf8bd006 CR4: 00000000001606e0 [ 24.389641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.389644] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.389645] Call Trace: [ 24.389653] ? bpf_jit_compile+0x30/0x30 [ 24.389661] ? netlink_lookup+0x5f7/0xa90 [ 24.389668] ? lock_downgrade+0x980/0x980 [ 24.389674] ? sock_sendmsg+0xca/0x110 [ 24.389681] ? selinux_socket_sock_rcv_skb+0x24e/0x850 [ 24.389688] __bpf_prog_run160+0xde/0x150 [ 24.389692] ? __bpf_prog_run192+0x150/0x150 [ 24.389699] ? lock_acquire+0x1d5/0x580 [ 24.389702] ? lock_acquire+0x1d5/0x580 [ 24.389710] ? lock_release+0xa40/0xa40 [ 24.389716] ? __lock_is_held+0xb6/0x140 [ 24.389730] sk_filter_trim_cap+0x33c/0x9c0 [ 24.389739] ? sk_skb_is_valid_access+0x140/0x140 [ 24.389746] ? netlink_skb_destructor+0x1d0/0x1d0 [ 24.389752] ? rtnl_fill_vf+0x480/0x480 [ 24.389759] netlink_unicast+0x1b8/0x6b0 [ 24.389762] ? lock_release+0xa40/0xa40 [ 24.389769] ? netlink_attachskb+0x8a0/0x8a0 [ 24.389777] rtnl_stats_get+0x7bb/0xa10 [ 24.389786] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 24.389797] ? rtnl_get_link+0x124/0x2b0 [ 24.389802] ? rtnl_dump_all+0x460/0x460 [ 24.389806] ? lock_release+0xa40/0xa40 [ 24.389812] ? __lock_is_held+0xb6/0x140 [ 24.389822] rtnetlink_rcv_msg+0x57f/0xb10 [ 24.389828] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 24.389831] ? validate_linkmsg+0x8e0/0x8e0 [ 24.389839] ? __might_fault+0x110/0x1d0 [ 24.389845] ? netlink_tap_init_net+0x350/0x350 [ 24.389851] netlink_rcv_skb+0x224/0x470 [ 24.389855] ? validate_linkmsg+0x8e0/0x8e0 [ 24.389860] ? netlink_ack+0xa10/0xa10 [ 24.389866] ? netlink_skb_destructor+0x1d0/0x1d0 [ 24.389873] rtnetlink_rcv+0x1c/0x20 [ 24.389877] netlink_unicast+0x4c4/0x6b0 [ 24.389885] ? netlink_attachskb+0x8a0/0x8a0 [ 24.389893] ? security_netlink_send+0x81/0xb0 [ 24.389898] netlink_sendmsg+0xa4a/0xe60 [ 24.389906] ? netlink_unicast+0x6b0/0x6b0 [ 24.389912] ? security_socket_sendmsg+0x89/0xb0 [ 24.389917] ? netlink_unicast+0x6b0/0x6b0 [ 24.389922] sock_sendmsg+0xca/0x110 [ 24.389927] sock_write_iter+0x31a/0x5d0 [ 24.389932] ? sock_sendmsg+0x110/0x110 [ 24.389943] ? iov_iter_init+0xaf/0x1d0 [ 24.389950] __vfs_write+0x684/0x970 [ 24.389955] ? kernel_read+0x120/0x120 [ 24.389959] ? bpf_fd_pass+0x280/0x280 [ 24.389971] ? _cond_resched+0x14/0x30 [ 24.389977] ? selinux_file_permission+0x82/0x460 [ 24.389985] ? rw_verify_area+0xe5/0x2b0 [ 24.389990] ? __fdget_raw+0x20/0x20 [ 24.389996] vfs_write+0x189/0x510 [ 24.390004] SyS_write+0xef/0x220 [ 24.390010] ? SyS_read+0x220/0x220 [ 24.390013] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.390020] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.390028] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 24.390032] RIP: 0033:0x43ffc9 [ 24.390034] RSP: 002b:00007ffcf4ddc278 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 24.390037] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffc9 [ 24.390039] RDX: 0000000000000026 RSI: 0000000020fd3000 RDI: 0000000000000004 [ 24.390042] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 24.390044] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000401930 [ 24.390046] R13: 00000000004019c0 R14: 0000000000000000 R15: 0000000000000000 [ 24.390055] Code: 89 85 58 ff ff ff 41 0f b6 55 01 c0 ea 04 0f b6 d2 4d 8d 34 d4 4c 89 f2 48 c1 ea 03 80 3c 1a 00 0f 85 ee 1e 00 00 41 8b 0e 31 d2 <48> f7 f1 48 89 85 58 ff ff ff 41 0f b6 45 01 83 e0 0f 4d 8d 34 [ 24.390128] RIP: ___bpf_prog_run+0x3cc7/0x6100 RSP: ffff8801beacf200 [ 24.390154] ---[ end trace a9c5000f1d2db922 ]--- [ 24.390156] Kernel panic - not syncing: Fatal exception [ 24.411882] Dumping ftrace buffer: [ 24.411886] (ftrace buffer empty) [ 24.411888] Kernel Offset: disabled [ 24.868178] Rebooting in 86400 seconds..