------------[ cut here ]------------ WARNING: kernel/softirq.c:387 at __local_bh_enable_ip+0x180/0x1c0 kernel/softirq.c:387, CPU#1: krxrpcio/7001/5868 Modules linked in: CPU: 1 UID: 0 PID: 5868 Comm: krxrpcio/7001 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__local_bh_enable_ip+0x180/0x1c0 kernel/softirq.c:387 Code: 48 3b 44 24 48 75 57 48 8d 65 e0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 e9 f9 fe ff ff e8 53 00 00 00 eb 9f 90 <0f> 0b 90 e9 24 ff ff ff 48 c7 c1 70 8e a2 8f 80 e1 07 80 c1 03 38 RSP: 0018:ffffc900040ef4c0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000201 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff89e640f3 RBP: ffffc900040ef548 R08: ffff8880b873bf03 R09: 1ffff110170e77e0 R10: dffffc0000000000 R11: ffffed10170e77e1 R12: ffff8880b873bf00 R13: ffff88807d4ddc70 R14: dffffc0000000000 R15: 1ffff9200081de98 FS: 0000000000000000(0000) GS:ffff888125ce7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f19c9578f98 CR3: 000000002e9e6000 CR4: 00000000003526f0 Call Trace: spin_unlock_bh include/linux/spinlock.h:396 [inline] rt_add_uncached_list net/ipv4/route.c:1529 [inline] rt_set_nexthop+0x693/0xa80 net/ipv4/route.c:-1 __mkroute_output net/ipv4/route.c:2672 [inline] ip_route_output_key_hash_rcu+0x18f6/0x23a0 net/ipv4/route.c:2867 ip_route_output_key_hash+0x1b9/0x2e0 net/ipv4/route.c:2697 __ip_route_output_key include/net/route.h:169 [inline] ip_route_output_flow+0x2a/0x150 net/ipv4/route.c:2924 ip_route_output_ports include/net/route.h:213 [inline] rxrpc_assess_MTU_size net/rxrpc/peer_object.c:174 [inline] rxrpc_init_peer+0x50a/0xc60 net/rxrpc/peer_object.c:281 rxrpc_new_incoming_peer+0x281/0x5a0 net/rxrpc/peer_object.c:325 rxrpc_alloc_incoming_call net/rxrpc/call_accept.c:284 [inline] rxrpc_new_incoming_call+0x612/0x14f0 net/rxrpc/call_accept.c:377 rxrpc_input_packet net/rxrpc/io_thread.c:310 [inline] rxrpc_io_thread+0x18b2/0x2cd0 net/rxrpc/io_thread.c:482 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245