[?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. [ 11.789908] audit: type=1400 audit(1513770258.738:6): avc: denied { map } for pid=3129 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-net-kasan-gce-8,10.128.15.201' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 34.459961] audit: type=1400 audit(1513770281.408:7): avc: denied { map } for pid=3148 comm="syzkaller231038" path="/root/syzkaller231038023" 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 [ 34.462130] netlink: 3 bytes leftover after parsing attributes in process `syzkaller231038'. [ 34.462338] netlink: 3 bytes leftover after parsing attributes in process `syzkaller231038'. [ 34.463293] netlink: 3 bytes leftover after parsing attributes in process `syzkaller231038'. [ 34.463315] netlink: 3 bytes leftover after parsing attributes in process `syzkaller231038'. [ 34.463328] kasan: CONFIG_KASAN_INLINE enabled [ 34.463332] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 34.463338] general protection fault: 0000 [#1] SMP KASAN [ 34.463341] Dumping ftrace buffer: [ 34.463344] (ftrace buffer empty) [ 34.463346] Modules linked in: [ 34.463351] CPU: 0 PID: 3148 Comm: syzkaller231038 Not tainted 4.15.0-rc3+ #159 [ 34.463354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.463364] RIP: 0010:__netlink_ns_capable+0x8b/0x120 [ 34.463366] RSP: 0018:ffff8801bc017348 EFLAGS: 00010206 [ 34.463369] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff84354fe0 [ 34.463372] RDX: 000000000000007b RSI: ffffffff85f10a00 RDI: 00000000000003d8 [ 34.463374] RBP: ffff8801bc017360 R08: 0000000000000000 R09: 1ffff10037802e4f [ 34.463376] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff85f10a00 [ 34.463378] R13: 000000000000000c R14: 0000000000000004 R15: 0000000000000011 [ 34.463382] FS: 00000000012a2880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 34.463384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.463386] CR2: 0000000020151000 CR3: 00000001ca7c8001 CR4: 00000000001606f0 [ 34.463392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.463394] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.463395] Call Trace: [ 34.463401] netlink_ns_capable+0x26/0x30 [ 34.463407] get_target_net+0x9d/0x120 [ 34.463413] rtnl_dump_ifinfo+0x2da/0xec0 [ 34.463424] ? rtnl_getlink+0x650/0x650 [ 34.463431] ? rcu_read_lock_sched_held+0x108/0x120 [ 34.463439] ? kmem_cache_alloc_node_trace+0x370/0x750 [ 34.463444] ? kasan_unpoison_shadow+0x35/0x50 [ 34.463449] ? kasan_kmalloc+0xad/0xe0 [ 34.463455] ? __kmalloc_node_track_caller+0x47/0x70 [ 34.463481] netlink_dump+0x48c/0xce0 [ 34.463488] ? netlink_broadcast+0x50/0x50 [ 34.463497] __netlink_dump_start+0x4f0/0x6d0 [ 34.463505] rtnetlink_rcv_msg+0x7f0/0xb10 [ 34.463510] ? validate_linkmsg+0x8e0/0x8e0 [ 34.463514] ? rtnl_getlink+0x650/0x650 [ 34.463520] ? netlink_tap_init_net+0x350/0x350 [ 34.463526] netlink_rcv_skb+0x216/0x440 [ 34.463530] ? validate_linkmsg+0x8e0/0x8e0 [ 34.463535] ? netlink_ack+0xa10/0xa10 [ 34.463541] ? netlink_skb_destructor+0x1d0/0x1d0 [ 34.463548] ? selinux_nlmsg_lookup+0x32b/0x430 [ 34.463554] rtnetlink_rcv+0x1c/0x20 [ 34.463558] netlink_unicast+0x4be/0x6a0 [ 34.463565] ? netlink_attachskb+0x8a0/0x8a0 [ 34.463573] ? security_netlink_send+0x81/0xb0 [ 34.463579] netlink_sendmsg+0xa4a/0xe60 [ 34.463586] ? netlink_unicast+0x6a0/0x6a0 [ 34.463592] ? security_socket_sendmsg+0x89/0xb0 [ 34.463597] ? netlink_unicast+0x6a0/0x6a0 [ 34.463604] sock_sendmsg+0xca/0x110 [ 34.463609] sock_write_iter+0x31a/0x5d0 [ 34.463615] ? sock_sendmsg+0x110/0x110 [ 34.463625] ? iov_iter_init+0xaf/0x1d0 [ 34.463632] __vfs_write+0x684/0x970 [ 34.463638] ? kernel_read+0x120/0x120 [ 34.463641] ? bpf_fd_pass+0x280/0x280 [ 34.463648] ? _cond_resched+0x14/0x30 [ 34.463654] ? selinux_file_permission+0x82/0x460 [ 34.463663] ? rw_verify_area+0xe5/0x2b0 [ 34.463667] ? __fdget_raw+0x20/0x20 [ 34.463672] vfs_write+0x189/0x510 [ 34.463678] SyS_write+0xef/0x220 [ 34.463682] ? SyS_socket+0x12d/0x1d0 [ 34.463687] ? SyS_read+0x220/0x220 [ 34.463691] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 34.463697] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.463705] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 34.463708] RIP: 0033:0x43fd49 [ 34.463710] RSP: 002b:00007ffcfd96e178 EFLAGS: 00000203 ORIG_RAX: 0000000000000001 [ 34.463713] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043fd49 [ 34.463715] RDX: 000000000000001f RSI: 0000000020151000 RDI: 0000000000000005 [ 34.463717] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 34.463720] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016b0 [ 34.463722] R13: 0000000000401740 R14: 0000000000000000 R15: 0000000000000000 [ 34.463731] 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 [ 34.463799] RIP: __netlink_ns_capable+0x8b/0x120 RSP: ffff8801bc017348 [ 34.463862] ---[ end trace 091e3fdef4bb0653 ]--- [ 34.463864] Kernel panic - not syncing: Fatal exception [ 34.485836] Dumping ftrace buffer: [ 34.485838] (ftrace buffer empty) [ 34.485840] Kernel Offset: disabled [ 34.939538] Rebooting in 86400 seconds..