[?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. [ 11.588288] audit: type=1400 audit(1514208678.497:6): avc: denied { map } for pid=3133 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-next-kasan-gce-1,10.128.15.203' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.078497] audit: type=1400 audit(1514208690.988:7): avc: denied { map } for pid=3149 comm="syzkaller538691" path="/root/syzkaller538691006" 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 [ 24.081820] netlink: 'syzkaller538691': attribute type 46 has an invalid length. [ 24.081884] netlink: 'syzkaller538691': attribute type 46 has an invalid length. [ 24.081913] kasan: CONFIG_KASAN_INLINE enabled [ 24.081920] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.081933] general protection fault: 0000 [#1] SMP KASAN [ 24.081937] Dumping ftrace buffer: [ 24.081941] (ftrace buffer empty) [ 24.081943] Modules linked in: [ 24.081952] CPU: 1 PID: 3149 Comm: syzkaller538691 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 24.081956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.081968] RIP: 0010:__netlink_ns_capable+0x8b/0x120 [ 24.081971] RSP: 0018:ffff8801c8d5f3f8 EFLAGS: 00010206 [ 24.081977] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff84442500 [ 24.081981] RDX: 000000000000007b RSI: ffffffff86510ee0 RDI: 00000000000003d8 [ 24.081984] RBP: ffff8801c8d5f410 R08: 0000000000000000 R09: 1ffff100391abe55 [ 24.081988] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff86510ee0 [ 24.081991] R13: 000000000000000c R14: 0000000000000010 R15: 0000000000000020 [ 24.081997] FS: 00000000020e4880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 24.082003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.082007] CR2: 000000002000ffab CR3: 00000001caf7c001 CR4: 00000000001606e0 [ 24.082013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.082016] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.082018] Call Trace: [ 24.082027] netlink_ns_capable+0x26/0x30 [ 24.082036] get_target_net+0x9d/0x120 [ 24.082044] rtnl_dump_ifinfo+0x2e5/0xee0 [ 24.082062] ? rtnl_getlink+0x670/0x670 [ 24.082070] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.082078] ? kmem_cache_alloc_node_trace+0x370/0x750 [ 24.082087] ? kasan_unpoison_shadow+0x35/0x50 [ 24.082130] ? wait_for_completion+0x770/0x770 [ 24.082145] netlink_dump+0x48c/0xce0 [ 24.082155] ? netlink_broadcast+0x50/0x50 [ 24.082169] __netlink_dump_start+0x4f0/0x6d0 [ 24.082181] rtnetlink_rcv_msg+0x7f0/0xb10 [ 24.082190] ? validate_linkmsg+0x8e0/0x8e0 [ 24.082196] ? rtnl_getlink+0x670/0x670 [ 24.082206] ? netlink_tap_init_net+0x350/0x350 [ 24.082216] netlink_rcv_skb+0x21e/0x460 [ 24.082222] ? validate_linkmsg+0x8e0/0x8e0 [ 24.082230] ? netlink_ack+0xa10/0xa10 [ 24.082239] ? netlink_skb_destructor+0x1d0/0x1d0 [ 24.082251] rtnetlink_rcv+0x1c/0x20 [ 24.082258] netlink_unicast+0x4be/0x6a0 [ 24.082269] ? netlink_attachskb+0x8a0/0x8a0 [ 24.082282] ? security_netlink_send+0x81/0xb0 [ 24.082291] netlink_sendmsg+0xa4a/0xe60 [ 24.082303] ? netlink_unicast+0x6a0/0x6a0 [ 24.082314] ? security_socket_sendmsg+0x89/0xb0 [ 24.082320] ? netlink_unicast+0x6a0/0x6a0 [ 24.082329] sock_sendmsg+0xca/0x110 [ 24.082338] SYSC_sendto+0x361/0x5c0 [ 24.082348] ? SYSC_connect+0x4a0/0x4a0 [ 24.082356] ? up_read+0x1a/0x40 [ 24.082364] ? __do_page_fault+0x3d6/0xc90 [ 24.082370] ? get_unused_fd_flags+0x190/0x190 [ 24.082384] ? sock_alloc_file+0x2a6/0x560 [ 24.082396] ? __alloc_fd+0x750/0x750 [ 24.082404] ? __do_page_fault+0xc90/0xc90 [ 24.082413] ? fd_install+0x4d/0x60 [ 24.082421] ? sock_map_fd+0x53/0x70 [ 24.082429] ? SyS_socket+0x12d/0x1d0 [ 24.082435] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 24.082448] SyS_sendto+0x40/0x50 [ 24.082458] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 24.082462] RIP: 0033:0x43fdd9 [ 24.082465] RSP: 002b:00007fff6d943fd8 EFLAGS: 00000203 ORIG_RAX: 000000000000002c [ 24.082471] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdd9 [ 24.082475] RDX: 0000000000000055 RSI: 000000002000ffab RDI: 0000000000000005 [ 24.082478] RBP: 00000000006ca018 R08: 0000000020000000 R09: 0000000000000000 [ 24.082482] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000401740 [ 24.082485] R13: 00000000004017d0 R14: 0000000000000000 R15: 0000000000000000 [ 24.082499] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 95 00 00 00 48 8b 5b 18 48 b8 00 00 00 00 00 fc ff df 48 8d bb d8 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 80 00 00 00 48 8b 9b d8 03 00 00 48 b8 00 00 [ 24.082613] RIP: __netlink_ns_capable+0x8b/0x120 RSP: ffff8801c8d5f3f8 [ 24.082644] ---[ end trace 90cf1fdf40622d5c ]--- [ 24.082647] Kernel panic - not syncing: Fatal exception [ 24.106314] Dumping ftrace buffer: [ 24.106317] (ftrace buffer empty) [ 24.106320] Kernel Offset: disabled [ 24.520689] Rebooting in 86400 seconds..