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kernel BUG at net/rxrpc/recvmsg.c:605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 31426 Comm: syz-executor.4 Not tainted 5.8.0-rc7-next-20200731-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rxrpc_recvmsg+0x18ab/0x1a03 net/rxrpc/recvmsg.c:605
Code: 89 e7 e8 38 8a 64 fa e9 eb fc ff ff e8 2e 8a 64 fa e9 33 ef ff ff 48 8b 7c 24 10 e8 1f 8a 64 fa e9 dc ee ff ff e8 75 68 24 fa <0f> 0b 48 8b 7c 24 10 e8 09 8a 64 fa e9 76 ee ff ff 48 89 ef e8 ec
RSP: 0018:ffffc900171af860 EFLAGS: 00010212
RAX: 000000000000011d RBX: ffff888096afbbf8 RCX: ffffc90012076000
RDX: 0000000000040000 RSI: ffffffff874fd79b RDI: 0000000000000001
RBP: ffff88802ecb4280 R08: 0000000000000000 R09: ffff888096afbca7
R10: 0000000000000000 R11: ffffffff8c6de2e0 R12: 0000000000000001
R13: ffff888096afba00 R14: 0000000000000000 R15: ffff888096afbca0
FS:  00007fb82ed55700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000745694 CR3: 0000000052575000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_recvmsg_nosec net/socket.c:885 [inline]
 sock_recvmsg net/socket.c:903 [inline]
 sock_recvmsg net/socket.c:899 [inline]
 ____sys_recvmsg+0x2c4/0x640 net/socket.c:2582
 ___sys_recvmsg+0x127/0x200 net/socket.c:2624
 do_recvmmsg+0x24d/0x6d0 net/socket.c:2722
 __sys_recvmmsg net/socket.c:2801 [inline]
 __do_sys_recvmmsg net/socket.c:2824 [inline]
 __se_sys_recvmmsg net/socket.c:2817 [inline]
 __x64_sys_recvmmsg+0x20b/0x260 net/socket.c:2817
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cc79
Code: 2d b6 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb82ed54c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000025cc0 RCX: 000000000045cc79
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000078bff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac
R13: 00007fff59dfe39f R14: 00007fb82ed559c0 R15: 000000000078bfac
Modules linked in:
---[ end trace 4856a240baa50cc7 ]---
RIP: 0010:rxrpc_recvmsg+0x18ab/0x1a03 net/rxrpc/recvmsg.c:605
Code: 89 e7 e8 38 8a 64 fa e9 eb fc ff ff e8 2e 8a 64 fa e9 33 ef ff ff 48 8b 7c 24 10 e8 1f 8a 64 fa e9 dc ee ff ff e8 75 68 24 fa <0f> 0b 48 8b 7c 24 10 e8 09 8a 64 fa e9 76 ee ff ff 48 89 ef e8 ec
RSP: 0018:ffffc900171af860 EFLAGS: 00010212
RAX: 000000000000011d RBX: ffff888096afbbf8 RCX: ffffc90012076000
RDX: 0000000000040000 RSI: ffffffff874fd79b RDI: 0000000000000001
RBP: ffff88802ecb4280 R08: 0000000000000000 R09: ffff888096afbca7
R10: 0000000000000000 R11: ffffffff8c6de2e0 R12: 0000000000000001
R13: ffff888096afba00 R14: 0000000000000000 R15: ffff888096afbca0
FS:  00007fb82ed55700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000745694 CR3: 0000000052575000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400