[....] Starting enhanced syslogd: rsyslogd[ 13.764752] audit: type=1400 audit(1515803246.295:5): avc: denied { syslog } for pid=3347 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: [ 19.457196] audit: type=1400 audit(1515803251.987:6): avc: denied { map } for pid=3486 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 '10.128.15.229' (ECDSA) to the list of known hosts. executing program [ 25.647418] audit: type=1400 audit(1515803258.178:7): avc: denied { map } for pid=3501 comm="syzkaller889957" path="/root/syzkaller889957209" 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 [ 25.673500] audit: type=1400 audit(1515803258.178:8): avc: denied { prog_load } for pid=3501 comm="syzkaller889957" 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 [ 25.697090] audit: type=1400 audit(1515803258.227:9): avc: denied { prog_run } for pid=3501 comm="syzkaller889957" 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 [ 25.697491] divide error: 0000 [#1] SMP KASAN [ 25.697498] Dumping ftrace buffer: [ 25.697503] (ftrace buffer empty) [ 25.697505] Modules linked in: [ 25.697514] CPU: 1 PID: 3501 Comm: syzkaller889957 Not tainted 4.15.0-rc7+ #259 [ 25.697518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.697536] RIP: 0010:___bpf_prog_run+0x3b6a/0x5ec0 [ 25.697539] RSP: 0018:ffff8801c70fef68 EFLAGS: 00010246 [ 25.697545] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 [ 25.697549] RDX: 0000000000000000 RSI: ffffc90000002030 RDI: ffffc90000002049 [ 25.697552] RBP: ffff8801c70ff068 R08: 1ffff10038e1fd85 R09: 0000000000000002 [ 25.697556] R10: ffff8801c70ff0e8 R11: 0000000000000000 R12: ffff8801c70ff0a0 [ 25.697560] R13: ffffc90000002048 R14: ffff8801c70ff0a0 R15: 00000000fffffffc [ 25.697566] FS: 0000000001094880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 25.697569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.697573] CR2: 0000000020fd3000 CR3: 00000001bfc9c001 CR4: 00000000001606e0 [ 25.697580] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.697583] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.697585] Call Trace: [ 25.697598] ? bpf_jit_compile+0x30/0x30 [ 25.697610] ? netlink_lookup+0x5f7/0xa90 [ 25.697620] ? lock_downgrade+0x980/0x980 [ 25.697628] ? sock_sendmsg+0xca/0x110 [ 25.697637] ? selinux_socket_sock_rcv_skb+0x24e/0x850 [ 25.697648] __bpf_prog_run160+0xde/0x150 [ 25.697656] ? __bpf_prog_run192+0x150/0x150 [ 25.697666] ? lock_acquire+0x1d5/0x580 [ 25.697671] ? lock_acquire+0x1d5/0x580 [ 25.697684] ? lock_release+0xa40/0xa40 [ 25.697693] ? __lock_is_held+0xb6/0x140 [ 25.697710] sk_filter_trim_cap+0x33c/0x9c0 [ 25.697720] ? sk_skb_is_valid_access+0x140/0x140 [ 25.697731] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.697742] ? rtnl_fill_vf+0x480/0x480 [ 25.697752] netlink_unicast+0x1b9/0x700 [ 25.697757] ? lock_release+0xa40/0xa40 [ 25.697767] ? netlink_attachskb+0x8a0/0x8a0 [ 25.697782] rtnl_stats_get+0x7bb/0xa10 [ 25.697796] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.697804] ? rtnetlink_rcv_msg+0x625/0x1020 [ 25.697811] ? lock_downgrade+0x980/0x980 [ 25.697826] ? lock_release+0xa40/0xa40 [ 25.697835] ? __lock_is_held+0xb6/0x140 [ 25.697849] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.697857] rtnetlink_rcv_msg+0x733/0x1020 [ 25.697869] ? validate_linkmsg+0x8e0/0x8e0 [ 25.697878] ? check_noncircular+0x20/0x20 [ 25.697888] ? find_held_lock+0x35/0x1d0 [ 25.697900] ? netlink_lookup+0x5f7/0xa90 [ 25.697907] ? lock_downgrade+0x980/0x980 [ 25.697915] ? find_held_lock+0x35/0x1d0 [ 25.697929] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.697934] ? netlink_deliver_tap+0x148/0xcf0 [ 25.697941] ? lock_downgrade+0x980/0x980 [ 25.697950] ? lock_release+0xa40/0xa40 [ 25.697956] ? netlink_lookup+0x620/0xa90 [ 25.697968] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 25.697980] ? netlink_deliver_tap+0x171/0xcf0 [ 25.697993] netlink_rcv_skb+0x224/0x470 [ 25.698000] ? validate_linkmsg+0x8e0/0x8e0 [ 25.698011] ? netlink_ack+0xa10/0xa10 [ 25.698021] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.698034] rtnetlink_rcv+0x1c/0x20 [ 25.698040] netlink_unicast+0x4ee/0x700 [ 25.698051] ? netlink_attachskb+0x8a0/0x8a0 [ 25.698062] ? security_netlink_send+0x81/0xb0 [ 25.698071] netlink_sendmsg+0xa4a/0xe60 [ 25.698083] ? netlink_unicast+0x700/0x700 [ 25.698093] ? security_socket_sendmsg+0x89/0xb0 [ 25.698099] ? netlink_unicast+0x700/0x700 [ 25.698107] sock_sendmsg+0xca/0x110 [ 25.698115] sock_write_iter+0x31a/0x5d0 [ 25.698123] ? sock_sendmsg+0x110/0x110 [ 25.698141] ? iov_iter_init+0xaf/0x1d0 [ 25.698153] __vfs_write+0x684/0x970 [ 25.698163] ? kernel_read+0x120/0x120 [ 25.698169] ? bpf_fd_pass+0x280/0x280 [ 25.698180] ? _cond_resched+0x14/0x30 [ 25.698191] ? selinux_file_permission+0x82/0x460 [ 25.698205] ? rw_verify_area+0xe5/0x2b0 [ 25.698211] ? __fdget_raw+0x20/0x20 [ 25.698220] vfs_write+0x189/0x510 [ 25.698231] SyS_write+0xef/0x220 [ 25.698240] ? SyS_read+0x220/0x220 [ 25.698246] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.698255] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.698268] entry_SYSCALL_64_fastpath+0x23/0x9a [ 25.698273] RIP: 0033:0x43ffc9 [ 25.698276] RSP: 002b:00007ffe33bdef98 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 25.698283] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffc9 [ 25.698286] RDX: 0000000000000026 RSI: 0000000020fd3000 RDI: 0000000000000004 [ 25.698289] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 25.698293] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000401930 [ 25.698296] R13: 00000000004019c0 R14: 0000000000000000 R15: 0000000000000000 [ 25.698310] 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 8a 1c 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 [ 25.698423] RIP: ___bpf_prog_run+0x3b6a/0x5ec0 RSP: ffff8801c70fef68 [ 25.698464] ---[ end trace 0990308e5da64aa8 ]--- [ 25.698468] Kernel panic - not syncing: Fatal exception [ 25.719893] Dumping ftrace buffer: [ 25.719897] (ftrace buffer empty) [ 25.719900] Kernel Offset: disabled [ 26.230733] Rebooting in 86400 seconds..