kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 15262 Comm: syz-executor2 Not tainted 4.19.0-rc2+ #95
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tcp_cleanup_ulp+0xbe/0x140 net/ipv4/tcp_ulp.c:131
Code: 02 00 0f 85 8a 00 00 00 49 8b 9c 24 88 06 00 00 e8 37 46 ec fa 48 8d 7b 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 51 48 8b 7b 38 e8 33 a5 e0 fa 4c 89 ea 48 b8 00 00
RSP: 0018:ffff8801a23bf8d0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000768c000
RDX: 0000000000000007 RSI: ffffffff869288f9 RDI: 0000000000000038
RBP: ffff8801a23bf8f0 R08: ffff8801a28f8680 R09: ffffed003b584732
R10: ffffed003b584732 R11: ffff8801dac23993 R12: ffff8801a3c1ad40
R13: ffff8801a3c1b3c8 R14: ffffffff81937870 R15: dffffc0000000000
FS:  00007f3ff0d75700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004ed598 CR3: 00000001bd17e000 CR4: 00000000001406f0
DR0: 0000000020000080 DR1: 0000000020000080 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 smap_release_sock+0x2e5/0x380 kernel/bpf/sockmap.c:1474
 sock_hash_ctx_update_elem.isra.27+0x1022/0x1490 kernel/bpf/sockmap.c:2425
 sock_hash_update_elem+0x1e3/0x550 kernel/bpf/sockmap.c:2459
 map_update_elem+0x753/0xd50 kernel/bpf/syscall.c:798
 __do_sys_bpf kernel/bpf/syscall.c:2362 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:2333 [inline]
 __x64_sys_bpf+0x32d/0x510 kernel/bpf/syscall.c:2333
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4572d9
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3ff0d74c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3ff0d756d4 RCX: 00000000004572d9
RDX: 0000000000000020 RSI: 0000000020000180 RDI: 0000000000000002
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cbcb0 R14: 00000000004c361a R15: 0000000000000001
Modules linked in:
---[ end trace 077fd375e0932110 ]---
RIP: 0010:tcp_cleanup_ulp+0xbe/0x140 net/ipv4/tcp_ulp.c:131
Code: 02 00 0f 85 8a 00 00 00 49 8b 9c 24 88 06 00 00 e8 37 46 ec fa 48 8d 7b 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 51 48 8b 7b 38 e8 33 a5 e0 fa 4c 89 ea 48 b8 00 00
RSP: 0018:ffff8801a23bf8d0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000768c000
RDX: 0000000000000007 RSI: ffffffff869288f9 RDI: 0000000000000038
RBP: ffff8801a23bf8f0 R08: ffff8801a28f8680 R09: ffffed003b584732
R10: ffffed003b584732 R11: ffff8801dac23993 R12: ffff8801a3c1ad40
R13: ffff8801a3c1b3c8 R14: ffffffff81937870 R15: dffffc0000000000
FS:  00007f3ff0d75700(0000) GS:ffff8801dac00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004ed598 CR3: 00000001bd17e000 CR4: 00000000001406f0
DR0: 0000000020000080 DR1: 0000000020000080 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600