------------[ cut here ]------------
kernel BUG at net/ipv6/route.c:1473!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 20765 Comm: syz.6.6612 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1473 [inline]
RIP: 0010:ip6_pol_route+0x117d/0x1180 net/ipv6/route.c:2305
Code: ab f8 e9 f4 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fb ff ff 48 89 df e8 be 13 ab f8 e9 f6 fa ff ff e8 84 5b 49 f8 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e
RSP: 0018:ffffc900147ef280 EFLAGS: 00010283
RAX: ffffffff8975649c RBX: ffff888126ef9000 RCX: 0000000000080000
RDX: ffffc9001e89d000 RSI: 0000000000000b79 RDI: 0000000000000b7a
RBP: ffffc900147ef3a0 R08: ffffe8ffffd35af7 R09: 1ffffd1ffffa6b5e
R10: dffffc0000000000 R11: fffff91ffffa6b5f R12: ffff8880313e2780
R13: ffffffff89755482 R14: dffffc0000000000 R15: 0000607ed8e3caf0
FS:  00007f9a258256c0(0000) GS:ffff888126ef9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555564c07808 CR3: 0000000033db6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 pol_lookup_func include/net/ip6_fib.h:617 [inline]
 __fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]
 fib6_rule_action+0x206/0x7d0 net/ipv6/fib6_rules.c:275
 fib_rules_lookup+0x767/0xe90 net/core/fib_rules.c:339
 fib6_rule_lookup+0x18e/0x6f0 net/ipv6/fib6_rules.c:112
 ip6_route_output_flags_noref net/ipv6/route.c:2684 [inline]
 ip6_route_output_flags+0x364/0x5d0 net/ipv6/route.c:2696
 ip6_route_output include/net/ip6_route.h:93 [inline]
 rxrpc_assess_MTU_size+0x2c0/0xa90 net/rxrpc/peer_object.c:193
 rxrpc_create_peer net/rxrpc/peer_object.c:297 [inline]
 rxrpc_lookup_peer+0x57d/0xaa0 net/rxrpc/peer_object.c:354
 rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:627 [inline]
 rxrpc_do_sendmsg+0xb0a/0x1220 net/rxrpc/sendmsg.c:695
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x508/0x820 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x1a1/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a275df6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9a25825038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9a27836090 RCX: 00007f9a275df6c9
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f9a27661f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9a27836128 R14: 00007f9a27836090 R15: 00007ffeedb090f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1473 [inline]
RIP: 0010:ip6_pol_route+0x117d/0x1180 net/ipv6/route.c:2305
Code: ab f8 e9 f4 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fb ff ff 48 89 df e8 be 13 ab f8 e9 f6 fa ff ff e8 84 5b 49 f8 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e
RSP: 0018:ffffc900147ef280 EFLAGS: 00010283
RAX: ffffffff8975649c RBX: ffff888126ef9000 RCX: 0000000000080000
RDX: ffffc9001e89d000 RSI: 0000000000000b79 RDI: 0000000000000b7a
RBP: ffffc900147ef3a0 R08: ffffe8ffffd35af7 R09: 1ffffd1ffffa6b5e
R10: dffffc0000000000 R11: fffff91ffffa6b5f R12: ffff8880313e2780
R13: ffffffff89755482 R14: dffffc0000000000 R15: 0000607ed8e3caf0
FS:  00007f9a258256c0(0000) GS:ffff888126ef9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6fd1cbc470 CR3: 0000000033db6000 CR4: 00000000003526f0