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: 15795 Comm: syz-executor.4 Not tainted 5.1.0-rc2+ #79
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 3a a2 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:ffff88805b72f958 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88805b72fab8 RCX: ffffc9000e62f000
RDX: 0000000000000019 RSI: ffffffff86ce36a7 RDI: 00000000000000c8
RBP: ffff88805b72f9c0 R08: ffff8880a49405c0 R09: ffffed1015d05bc8
R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000
R13: 0000000000000009 R14: ffff888073ebc140 R15: ffff88806d4a2080
FS:  00007f1521320700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f228bc8adb8 CR3: 000000008c22d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 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: 0033:0x4582b9
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f152131fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000004582b9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f15213206d4
R13: 00000000004f5a52 R14: 00000000004cf0d8 R15: 00000000ffffffff
Modules linked in:
---[ end trace af103c5585e7d24c ]---
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 3a a2 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:ffff88805b72f958 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88805b72fab8 RCX: ffffc9000e62f000
RDX: 0000000000000019 RSI: ffffffff86ce36a7 RDI: 00000000000000c8
RBP: ffff88805b72f9c0 R08: ffff8880a49405c0 R09: ffffed1015d05bc8
R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000
R13: 0000000000000009 R14: ffff888073ebc140 R15: ffff88806d4a2080
FS:  00007f1521320700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c52a000 CR3: 000000008c22d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600