kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14081 Comm: syz-executor.2 Not tainted 5.1.0-rc2+ #81
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tipc_mcast_filter_msg+0x70/0x17a0 net/tipc/bcast.c:772
Code: 4c 39 e0 b8 00 00 00 00 4c 0f 44 e0 e8 d9 fa a1 fa 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 c8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 13 00 00 49 8b 9c 24 c8 00 00 00 48 b8 00 00
RSP: 0018:ffff888068e8f958 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888068e8fab8 RCX: ffffffff86d6d854
RDX: 0000000000000019 RSI: ffffffff86ce76a7 RDI: 00000000000000c8
RBP: ffff888068e8f9c0 R08: ffff88808649e480 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000
R13: 0000000000000009 R14: ffff88808ad441c0 R15: ffff888098e8a6c0
FS:  000000000115c940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000989ef000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 tipc_sk_filter_rcv+0x1ed3/0x34b0 net/tipc/socket.c:2169
 tipc_sk_backlog_rcv+0xeb/0x1e0 net/tipc/socket.c:2218
 sk_backlog_rcv include/net/sock.h:945 [inline]
 __release_sock+0x12e/0x3a0 net/core/sock.c:2413
 release_sock+0x59/0x1c0 net/core/sock.c:2929
 tipc_release+0x9ea/0x14d0 net/tipc/socket.c:592
 __sock_release+0xd3/0x2b0 net/socket.c:599
 sock_close+0x1b/0x30 net/socket.c:1247
 __fput+0x2e5/0x8d0 fs/file_table.c:278
 ____fput+0x16/0x20 fs/file_table.c:309
 task_work_run+0x14a/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x273/0x2c0 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+0x52d/0x610 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4120b1
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 1a 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:00007ffe465011e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004120b1
RDX: fffffffffffffff7 RSI: 00000000007415e8 RDI: 0000000000000005
RBP: 000000000073c040 R08: 00000000007415e0 R09: 0000000000048aba
R10: 00007ffe465012a0 R11: 0000000000000293 R12: ffffffffffffffff
R13: 0000000000000002 R14: 0000000000000004 R15: 000000000073c04c
Modules linked in:
---[ end trace bc4597874501ce51 ]---
RIP: 0010:tipc_mcast_filter_msg+0x70/0x17a0 net/tipc/bcast.c:772
Code: 4c 39 e0 b8 00 00 00 00 4c 0f 44 e0 e8 d9 fa a1 fa 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 c8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 13 00 00 49 8b 9c 24 c8 00 00 00 48 b8 00 00
RSP: 0018:ffff888068e8f958 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888068e8fab8 RCX: ffffffff86d6d854
RDX: 0000000000000019 RSI: ffffffff86ce76a7 RDI: 00000000000000c8
RBP: ffff888068e8f9c0 R08: ffff88808649e480 R09: ffffed1015d25bc8
R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000
R13: 0000000000000009 R14: ffff88808ad441c0 R15: ffff888098e8a6c0
FS:  000000000115c940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e227000 CR3: 00000000989ef000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600