bond0 (unregistering): Releasing backup interface bond_slave_0
bond0 (unregistering): Released all slaves
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 6739 Comm: syz-executor0 Not tainted 4.18.0-next-20180823+ #46
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__hlist_del include/linux/list.h:679 [inline]
RIP: 0010:hlist_del_rcu include/linux/rculist.h:457 [inline]
RIP: 0010:bpf_tcp_close+0x943/0x1050 kernel/bpf/sockmap.c:373
Code: cc 05 00 00 48 8d 95 18 ff ff ff 49 8b 4c 24 18 48 89 d6 48 c1 ee 03 42 c6 04 36 00 48 89 ce 48 c1 ee 03 48 89 85 18 ff ff ff <42> 80 3c 36 00 0f 85 55 06 00 00 48 c1 ea 03 48 85 c0 48 89 01 48
RSP: 0018:ffff8801aedcf990 EFLAGS: 00010a02
RAX: 0000000000000000 RBX: ffff8801cf1e3480 RCX: dead000000000200
RDX: ffff8801aedcfa48 RSI: 1bd5a00000000040 RDI: ffff8801cf1e3410
RBP: ffff8801aedcfb30 R08: ffff8801c81ee180 R09: fffff520023f4209
R10: fffff520023f4209 R11: ffffc90011fa104b R12: ffff8801cf1e3400
R13: ffff8801b5633ac0 R14: dffffc0000000000 R15: ffff8801cf1e3418
FS:  000000000299d940(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcac4a4b3c CR3: 00000001cea69000 CR4: 00000000001406e0
Call Trace:
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:457
 __sock_release+0xd7/0x250 net/socket.c:580
 sock_close+0x19/0x20 net/socket.c:1140
 __fput+0x376/0x8a0 fs/file_table.c:279
 ____fput+0x15/0x20 fs/file_table.c:312
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410c41
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffdd25e0240 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000410c41
RDX: 0000000000000000 RSI: 0000000000731e68 RDI: 0000000000000008
RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff
R10: 00007ffdd25e0170 R11: 0000000000000293 R12: 000000000000000d
R13: 000000000003813e R14: 0000000000000005 R15: badc0ffeebadface
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace d6c2ee3d04493c74 ]---
RIP: 0010:__hlist_del include/linux/list.h:679 [inline]
RIP: 0010:hlist_del_rcu include/linux/rculist.h:457 [inline]
RIP: 0010:bpf_tcp_close+0x943/0x1050 kernel/bpf/sockmap.c:373
Code: cc 05 00 00 48 8d 95 18 ff ff ff 49 8b 4c 24 18 48 89 d6 48 c1 ee 03 42 c6 04 36 00 48 89 ce 48 c1 ee 03 48 89 85 18 ff ff ff <42> 80 3c 36 00 0f 85 55 06 00 00 48 c1 ea 03 48 85 c0 48 89 01 48
RSP: 0018:ffff8801aedcf990 EFLAGS: 00010a02
RAX: 0000000000000000 RBX: ffff8801cf1e3480 RCX: dead000000000200
RDX: ffff8801aedcfa48 RSI: 1bd5a00000000040 RDI: ffff8801cf1e3410
RBP: ffff8801aedcfb30 R08: ffff8801c81ee180 R09: fffff520023f4209
R10: fffff520023f4209 R11: ffffc90011fa104b R12: ffff8801cf1e3400
R13: ffff8801b5633ac0 R14: dffffc0000000000 R15: ffff8801cf1e3418
FS:  000000000299d940(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcac4a4b3c CR3: 00000001cea69000 CR4: 00000000001406e0