general protection fault, probably for non-canonical address 0xdffffc00200048bf: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00000001000245f8-0x00000001000245ff]
CPU: 0 PID: 7657 Comm: syz-executor.4 Not tainted 6.1.0-syzkaller-07445-g7e68dd7d07a2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:rxrpc_local_cmp_key net/rxrpc/local_object.c:53 [inline]
RIP: 0010:rxrpc_lookup_local+0x1e4/0xfb0 net/rxrpc/local_object.c:224
Code: 48 89 c8 83 e0 07 83 c0 01 88 44 24 30 48 8d 45 06 48 89 44 24 18 e8 ab 8e 93 f8 49 8d bc 24 fc 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 14 28 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffffc9000402f930 EFLAGS: 00010203
RAX: 00000000200048bf RBX: 000000000000fffd RCX: ffffc9000c4a4000
RDX: 0000000000040000 RSI: ffffffff88ed2465 RDI: 00000001000245fd
RBP: ffff88804ae331d0 R08: 0000000000000007 R09: 0000000000000000
R10: 000000000000fffd R11: 0000000000000000 R12: 0000000100024401
R13: dffffc0000000000 R14: ffff888020778000 R15: 0000000000000002
FS:  00007f0ca2685700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff05e1a5740 CR3: 0000000054dde000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxrpc_sendmsg+0x4bc/0x650 net/rxrpc/af_rxrpc.c:543
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xd3/0x120 net/socket.c:734
 ____sys_sendmsg+0x334/0x8c0 net/socket.c:2476
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2530
 __sys_sendmmsg+0x18f/0x460 net/socket.c:2616
 __do_sys_sendmmsg net/socket.c:2645 [inline]
 __se_sys_sendmmsg net/socket.c:2642 [inline]
 __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2642
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0ca188c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0ca2685168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f0ca19abf80 RCX: 00007f0ca188c0d9
RDX: 0000000000000001 RSI: 0000000020005400 RDI: 0000000000000004
RBP: 00007f0ca18e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc52e0166f R14: 00007f0ca2685300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rxrpc_local_cmp_key net/rxrpc/local_object.c:53 [inline]
RIP: 0010:rxrpc_lookup_local+0x1e4/0xfb0 net/rxrpc/local_object.c:224
Code: 48 89 c8 83 e0 07 83 c0 01 88 44 24 30 48 8d 45 06 48 89 44 24 18 e8 ab 8e 93 f8 49 8d bc 24 fc 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 14 28 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffffc9000402f930 EFLAGS: 00010203
RAX: 00000000200048bf RBX: 000000000000fffd RCX: ffffc9000c4a4000
RDX: 0000000000040000 RSI: ffffffff88ed2465 RDI: 00000001000245fd
RBP: ffff88804ae331d0 R08: 0000000000000007 R09: 0000000000000000
R10: 000000000000fffd R11: 0000000000000000 R12: 0000000100024401
R13: dffffc0000000000 R14: ffff888020778000 R15: 0000000000000002
FS:  00007f0ca2685700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f36d45821b8 CR3: 0000000054dde000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	48 89 c8             	mov    %rcx,%rax
   3:	83 e0 07             	and    $0x7,%eax
   6:	83 c0 01             	add    $0x1,%eax
   9:	88 44 24 30          	mov    %al,0x30(%rsp)
   d:	48 8d 45 06          	lea    0x6(%rbp),%rax
  11:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
  16:	e8 ab 8e 93 f8       	callq  0xf8938ec6
  1b:	49 8d bc 24 fc 01 00 	lea    0x1fc(%r12),%rdi
  22:	00
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 14 28       	movzbl (%rax,%r13,1),%edx <-- trapping instruction
  2f:	48 89 f8             	mov    %rdi,%rax
  32:	83 e0 07             	and    $0x7,%eax
  35:	83 c0 01             	add    $0x1,%eax
  38:	38 d0                	cmp    %dl,%al
  3a:	7c 08                	jl     0x44
  3c:	84 d2                	test   %dl,%dl
  3e:	0f                   	.byte 0xf
  3f:	85                   	.byte 0x85