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kernel BUG at net/rxrpc/recvmsg.c:605!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 13303 Comm: syz-executor.0 Not tainted 5.8.0-rc3-next-20200701-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 58 39 6b fa e9 eb fc ff ff e8 4e 39 6b fa e9 33 ef ff ff 48 8b 7c 24 10 e8 3f 39 6b fa e9 dc ee ff ff e8 35 a4 2b fa <0f> 0b 48 8b 7c 24 10 e8 29 39 6b fa e9 76 ee ff ff 48 89 ef e8 0c
RSP: 0000:ffffc90007ddf858 EFLAGS: 00010216
RAX: 000000000000021c RBX: ffff88809ed07cb8 RCX: ffffc90001eea000
RDX: 0000000000040000 RSI: ffffffff8748473b RDI: 0000000000000001
RBP: ffff888059c2ce40 R08: 0000000000000000 R09: ffff88809ed07d67
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88809ed07ac0 R14: 0000000000000000 R15: ffff88809ed07d60
FS:  00007f089cabc700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9fd7de0000 CR3: 000000004d627000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_recvmsg_nosec net/socket.c:886 [inline]
 sock_recvmsg net/socket.c:904 [inline]
 sock_recvmsg net/socket.c:900 [inline]
 ____sys_recvmsg+0x2c4/0x640 net/socket.c:2575
 ___sys_recvmsg+0x127/0x200 net/socket.c:2617
 do_recvmmsg+0x24d/0x6d0 net/socket.c:2715
 __sys_recvmmsg net/socket.c:2794 [inline]
 __do_sys_recvmmsg net/socket.c:2817 [inline]
 __se_sys_recvmmsg net/socket.c:2810 [inline]
 __x64_sys_recvmmsg+0x20b/0x260 net/socket.c:2810
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cb29
Code: Bad RIP value.
RSP: 002b:00007f089cabbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00000000004fc820 RCX: 000000000045cb29
RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000008c7 R14: 00000000004cbb2f R15: 00007f089cabc6d4
Modules linked in:
---[ end trace 24539e5472819d38 ]---
RIP: 0010:rxrpc_recvmsg+0x18ab/0x1a03 net/rxrpc/recvmsg.c:605
Code: 89 e7 e8 58 39 6b fa e9 eb fc ff ff e8 4e 39 6b fa e9 33 ef ff ff 48 8b 7c 24 10 e8 3f 39 6b fa e9 dc ee ff ff e8 35 a4 2b fa <0f> 0b 48 8b 7c 24 10 e8 29 39 6b fa e9 76 ee ff ff 48 89 ef e8 0c
RSP: 0000:ffffc90007ddf858 EFLAGS: 00010216
RAX: 000000000000021c RBX: ffff88809ed07cb8 RCX: ffffc90001eea000
RDX: 0000000000040000 RSI: ffffffff8748473b RDI: 0000000000000001
RBP: ffff888059c2ce40 R08: 0000000000000000 R09: ffff88809ed07d67
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88809ed07ac0 R14: 0000000000000000 R15: ffff88809ed07d60
FS:  00007f089cabc700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9fd7de7000 CR3: 000000004d627000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400