general protection fault: 0000 [#1] PREEMPT SMP KASAN NOPTI
Modules linked in:
CPU: 1 PID: 31053 Comm: kworker/u4:33 Not tainted 4.14.156-syzkaller #0
Workqueue: netns cleanup_net
task: 00000000cf032e8b task.stack: 0000000095f95f45
RIP: 0010:addrconf_rt_table+0x11f/0x290 net/ipv6/addrconf.c:2293
RSP: 0018:ffff8881d6e9f748 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8881d9175500 RCX: 1ffff110337759d4
RDX: 000000000000004d RSI: 0000000000000005 RDI: 0000000000000268
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000004
R10: fffffbfff7346145 R11: ffffffffb9a30a2b R12: 00000000000000fe
R13: ffff8881a0488b80 R14: 00000000000001b8 R15: ffff8881c81b1d80
FS:  0000000000000000(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae3aeebdb8 CR3: 000000001b826005 CR4: 00000000001606a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 addrconf_get_prefix_route+0x30/0x2d0 net/ipv6/addrconf.c:2347
 __ipv6_ifa_notify+0x6cb/0x940 net/ipv6/addrconf.c:5605
 addrconf_ifdown+0xa18/0x13b0 net/ipv6/addrconf.c:3722
 addrconf_notify+0x159/0x1b80 net/ipv6/addrconf.c:3526
 notifier_call_chain+0x10c/0x1a0 kernel/notifier.c:93
 call_netdevice_notifiers net/core/dev.c:1687 [inline]
 rollback_registered_many+0x6ac/0xab0 net/core/dev.c:7213
 unregister_netdevice_many.part.0+0x16/0x1d0 net/core/dev.c:8267
 unregister_netdevice_many+0x36/0x50 net/core/dev.c:8266
 ip_tunnel_delete_net+0x273/0x340 net/ipv4/ip_tunnel.c:1079
 ops_exit_list.isra.0+0xa8/0x150 net/core/net_namespace.c:142
 cleanup_net+0x3ce/0x870 net/core/net_namespace.c:484
 process_one_work+0x7f1/0x1580 kernel/workqueue.c:2134
 worker_thread+0xdd/0xdf0 kernel/workqueue.c:2271
 kthread+0x31f/0x430 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404
Code: 91 b8 be 01 00 00 00 48 c7 c7 a0 52 6d b9 e8 e9 91 ae fe 48 8d bd 68 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 34 01 00 00 44 8b ad 68 02 
RIP: addrconf_rt_table+0x11f/0x290 net/ipv6/addrconf.c:2293 RSP: ffff8881d6e9f748
audit: type=1400 audit(2000000496.660:210835): avc:  denied  { map } for  pid=19630 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
audit: type=1400 audit(2000000496.920:210836): avc:  denied  { map } for  pid=19635 comm="syz-executor.3" path="/root/syzkaller-testdir551269460/syzkaller.z8RTDQ/630/bus" dev="sda1" ino=16679 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
audit: type=1400 audit(2000000496.940:210837): avc:  denied  { map } for  pid=19638 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
audit: type=1400 audit(2000000496.940:210838): avc:  denied  { map } for  pid=19638 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
---[ end trace 34c20066f04ef04b ]---