[?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. [ 12.304139] audit: type=1400 audit(1514118856.940:6): avc: denied { map } for pid=3130 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-kasan-gce-4,10.128.0.28' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.559609] audit: type=1400 audit(1514118877.196:7): avc: denied { map } for pid=3148 comm="syzkaller247599" path="/root/syzkaller247599594" 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 [ 32.562221] netlink: 'syzkaller247599': attribute type 46 has an invalid length. [ 32.562281] netlink: 'syzkaller247599': attribute type 46 has an invalid length. [ 32.562303] kasan: CONFIG_KASAN_INLINE enabled [ 32.562307] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 32.562312] general protection fault: 0000 [#1] SMP KASAN [ 32.562316] Dumping ftrace buffer: [ 32.562320] (ftrace buffer empty) [ 32.562322] Modules linked in: [ 32.562328] CPU: 0 PID: 3148 Comm: syzkaller247599 Not tainted 4.15.0-rc5+ #237 [ 32.562331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.562350] RIP: 0010:__netlink_ns_capable+0x8b/0x120 [ 32.562353] RSP: 0018:ffff8801c97ef158 EFLAGS: 00010206 [ 32.562357] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff84359210 [ 32.562359] RDX: 000000000000007b RSI: ffffffff85f10ae0 RDI: 00000000000003d8 [ 32.562361] RBP: ffff8801c97ef170 R08: 0000000000000000 R09: 1ffff100392fde01 [ 32.562364] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff85f10ae0 [ 32.562366] R13: 000000000000000c R14: 0000000000000010 R15: 0000000000000020 [ 32.562369] FS: 0000000001049880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 32.562372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.562374] CR2: 000000002000ffab CR3: 00000001d5cf7004 CR4: 00000000001606f0 [ 32.562379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.562381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.562382] Call Trace: [ 32.562388] netlink_ns_capable+0x26/0x30 [ 32.562396] get_target_net+0x9d/0x120 [ 32.562401] rtnl_dump_ifinfo+0x2e5/0xee0 [ 32.562412] ? rtnl_getlink+0x670/0x670 [ 32.562421] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.562431] ? kmem_cache_alloc_node_trace+0x370/0x750 [ 32.562437] ? kasan_unpoison_shadow+0x35/0x50 [ 32.562462] ? wait_for_completion+0x770/0x770 [ 32.562472] netlink_dump+0x48c/0xce0 [ 32.562478] ? netlink_broadcast+0x50/0x50 [ 32.562488] __netlink_dump_start+0x4f0/0x6d0 [ 32.562494] ? rtnl_getlink+0x670/0x670 [ 32.562498] rtnetlink_rcv_msg+0x977/0x1020 [ 32.562505] ? validate_linkmsg+0x8e0/0x8e0 [ 32.562513] ? check_noncircular+0x20/0x20 [ 32.562519] ? find_held_lock+0x35/0x1d0 [ 32.562526] ? netlink_lookup+0x5f7/0xa90 [ 32.562531] ? lock_downgrade+0x980/0x980 [ 32.562536] ? find_held_lock+0x35/0x1d0 [ 32.562540] ? rtnl_getlink+0x670/0x670 [ 32.562547] ? netlink_deliver_tap+0x148/0xcf0 [ 32.562551] ? lock_downgrade+0x980/0x980 [ 32.562557] ? lock_release+0xa40/0xa40 [ 32.562560] ? netlink_lookup+0x620/0xa90 [ 32.562570] ? rtnl_getlink+0x670/0x670 [ 32.562579] netlink_rcv_skb+0x21e/0x460 [ 32.562583] ? validate_linkmsg+0x8e0/0x8e0 [ 32.562588] ? netlink_ack+0xa10/0xa10 [ 32.562594] ? netlink_skb_destructor+0x1d0/0x1d0 [ 32.562601] rtnetlink_rcv+0x1c/0x20 [ 32.562606] netlink_unicast+0x4e8/0x6f0 [ 32.562612] ? netlink_attachskb+0x8a0/0x8a0 [ 32.562623] ? security_netlink_send+0x81/0xb0 [ 32.562628] netlink_sendmsg+0xa4a/0xe60 [ 32.562636] ? netlink_unicast+0x6f0/0x6f0 [ 32.562642] ? security_socket_sendmsg+0x89/0xb0 [ 32.562646] ? netlink_unicast+0x6f0/0x6f0 [ 32.562655] sock_sendmsg+0xca/0x110 [ 32.562660] SYSC_sendto+0x361/0x5c0 [ 32.562665] ? SYSC_connect+0x4a0/0x4a0 [ 32.562669] ? up_read+0x1a/0x40 [ 32.562677] ? __do_page_fault+0x3d6/0xc90 [ 32.562682] ? get_unused_fd_flags+0x190/0x190 [ 32.562692] ? sock_alloc_file+0x2a6/0x560 [ 32.562700] ? __alloc_fd+0x750/0x750 [ 32.562705] ? __do_page_fault+0xc90/0xc90 [ 32.562710] ? fd_install+0x4d/0x60 [ 32.562715] ? sock_map_fd+0x53/0x70 [ 32.562720] ? SyS_socket+0x12d/0x1d0 [ 32.562724] ? entry_SYSCALL_64_fastpath+0x5/0x96 [ 32.562731] SyS_sendto+0x40/0x50 [ 32.562737] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 32.562740] RIP: 0033:0x43fdd9 [ 32.562742] RSP: 002b:00007ffcfe4b2ae8 EFLAGS: 00000203 ORIG_RAX: 000000000000002c [ 32.562746] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdd9 [ 32.562748] RDX: 0000000000000055 RSI: 000000002000ffab RDI: 0000000000000005 [ 32.562750] RBP: 00000000006ca018 R08: 0000000020000000 R09: 0000000000000000 [ 32.562752] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000401740 [ 32.562754] R13: 00000000004017d0 R14: 0000000000000000 R15: 0000000000000000 [ 32.562763] 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 [ 32.562831] RIP: __netlink_ns_capable+0x8b/0x120 RSP: ffff8801c97ef158 [ 32.562839] ---[ end trace 797c579401d7e780 ]--- [ 32.562842] Kernel panic - not syncing: Fatal exception [ 32.595221] Dumping ftrace buffer: [ 32.595224] (ftrace buffer empty) [ 32.595226] Kernel Offset: disabled [ 33.073256] Rebooting in 86400 seconds..