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: 21469 Comm: syz-executor2 Not tainted 4.18.0-rc6+ #140
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:440 [inline]
RIP: 0010:bpf_tcp_close+0x959/0x1070 kernel/bpf/sockmap.c:367
Code: 85 38 06 00 00 48 8d 95 18 ff ff ff 49 8b 4c 24 18 48 89 d6 48 c1 ee 03 c6 04 1e 00 48 89 ce 48 c1 ee 03 48 89 85 18 ff ff ff <80> 3c 1e 00 0f 85 d2 05 00 00 48 c1 ea 03 48 85 c0 48 89 01 48 89 
RSP: 0018:ffff88019938f950 EFLAGS: 00010a02
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: dead000000000200
RDX: ffff88019938fa40 RSI: 1bd5a00000000040 RDI: ffff88019aa05190
RBP: ffff88019938fb28 R08: ffff8801ac100280 R09: fffff52002a99539
R10: fffff52002a99539 R11: ffffc900154ca9cb R12: ffff88019aa05180
R13: ffff8801c9474580 R14: ffffc900154ca9c8 R15: ffff88019aa05198
FS:  0000000000e37940(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd73425400 CR3: 000000019d3ab000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
8021q: adding VLAN 0 to HW filter on device team0
Call Trace:
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:459
 __sock_release+0xd7/0x260 net/socket.c:599
 sock_close+0x19/0x20 net/socket.c:1150
 __fput+0x355/0x8b0 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x1ec/0x2a0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:192 [inline]
 exit_to_usermode_loop+0x313/0x370 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: 0033:0x4105c1
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:00007ffdbcd6e8a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000014 RCX: 00000000004105c1
RDX: 0000000000000000 RSI: 00000000007306e0 RDI: 0000000000000013
RBP: 0000000000000010 R08: ffffffffffffffff R09: ffffffffffffffff
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
R10: 00007ffdbcd6e7d0 R11: 0000000000000293 R12: 0000000000000000
R13: 00000000000d2d62 R14: 0000000000000845 R15: badc0ffeebadface
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 58186843bee0eb83 ]---
RIP: 0010:__hlist_del include/linux/list.h:679 [inline]
RIP: 0010:hlist_del_rcu include/linux/rculist.h:440 [inline]
RIP: 0010:bpf_tcp_close+0x959/0x1070 kernel/bpf/sockmap.c:367
Code: 85 38 06 00 00 48 8d 95 18 ff ff ff 49 8b 4c 24 18 48 89 d6 48 c1 ee 03 c6 04 1e 00 48 89 ce 48 c1 ee 03 48 89 85 18 ff ff ff <80> 3c 1e 00 0f 85 d2 05 00 00 48 c1 ea 03 48 85 c0 48 89 01 48 89 
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
RSP: 0018:ffff88019938f950 EFLAGS: 00010a02
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: dead000000000200
RDX: ffff88019938fa40 RSI: 1bd5a00000000040 RDI: ffff88019aa05190
RBP: ffff88019938fb28 R08: ffff8801ac100280 R09: fffff52002a99539
R10: fffff52002a99539 R11: ffffc900154ca9cb R12: ffff88019aa05180
R13: ffff8801c9474580 R14: ffffc900154ca9c8 R15: ffff88019aa05198
FS:  0000000000e37940(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd73425400 CR3: 000000019d3ab000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400