------------[ cut here ]------------
WARNING: CPU: 0 PID: 4415 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Modules linked in:
CPU: 0 PID: 4415 Comm: kworker/0:18 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events nsim_fib_event_work
RIP: 0010:inet_sock_destruct+0x63b/0x730 net/ipv4/af_inet.c:157
Code: 01 e8 e9 e7 11 f9 0f 0b e9 64 fe ff ff e8 dd e7 11 f9 0f 0b e9 99 fe ff ff e8 d1 e7 11 f9 0f 0b e9 c1 fe ff ff e8 c5 e7 11 f9 <0f> 0b e9 e9 fe ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff
RSP: 0018:ffffc90000007c08 EFLAGS: 00010246
RAX: ffffffff8865dc5b RBX: dffffc0000000000 RCX: ffff88807d299dc0
RDX: 0000000000000100 RSI: 0000000000000fff RDI: 0000000000000000
RBP: 0000000000000fff R08: dffffc0000000000 R09: ffffed100f9e71e8
R10: ffffed100f9e71e8 R11: 1ffff1100f9e71e7 R12: ffff88807cf38cc0
R13: ffff88807cf38cc0 R14: ffff88807cf38ee0 R15: 1ffff1100f9e719a
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000023c0 CR3: 0000000024a69000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __sk_destruct+0x50/0x820 net/core/sock.c:1956
 rcu_do_batch kernel/rcu/tree.c:2523 [inline]
 rcu_core+0x962/0x15d0 kernel/rcu/tree.c:2763
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 do_softirq+0x13b/0x200 kernel/softirq.c:477
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x174/0x1b0 kernel/softirq.c:401
 __rhashtable_insert_fast include/linux/rhashtable.h:788 [inline]
 rhashtable_insert_fast+0x6fd/0xe00 include/linux/rhashtable.h:825
 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:684 [inline]
 nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:757 [inline]
 nsim_fib6_event drivers/net/netdevsim/fib.c:854 [inline]
 nsim_fib_event drivers/net/netdevsim/fib.c:887 [inline]
 nsim_fib_event_work+0x21e7/0x3240 drivers/net/netdevsim/fib.c:1483
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 process_scheduled_works kernel/workqueue.c:2373 [inline]
 worker_thread+0xdca/0x12a0 kernel/workqueue.c:2459
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>