------------[ cut here ]------------
atomic_read(&sk->sk_rmem_alloc)
WARNING: net/ipv4/af_inet.c:159 at inet_sock_destruct+0x601/0x740 net/ipv4/af_inet.c:159, CPU#0: rcuc/0/21
Modules linked in:
CPU: 0 UID: 0 PID: 21 Comm: rcuc/0 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:inet_sock_destruct+0x601/0x740 net/ipv4/af_inet.c:159
Code: 00 41 0f b6 74 24 12 48 c7 c7 00 0f 7d 8c 4c 89 e2 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 65 c2 58 f7 e8 00 25 f7 f7 90 <0f> 0b 90 e9 58 fe ff ff e8 f2 24 f7 f7 90 0f 0b 90 e9 8b fe ff ff
RSP: 0018:ffffc900001a7b48 EFLAGS: 00010293
RAX: ffffffff89cea5c0 RBX: dffffc0000000000 RCX: ffff88801dedddc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000003c0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1009b05ce1 R12: ffff88804d82e540
R13: ffff88804d82ec18 R14: ffff88804d82e700 R15: ffffffff8f8f3b20
FS:  0000000000000000(0000) GS:ffff8881259fa000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1b7de0f8 CR3: 000000003a4ea000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000086
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __sk_destruct+0x89/0x9e0 net/core/sock.c:2357
 rcu_do_batch kernel/rcu/tree.c:2645 [inline]
 rcu_core kernel/rcu/tree.c:2897 [inline]
 rcu_cpu_kthread+0x950/0x1480 kernel/rcu/tree.c:2985
 smpboot_thread_fn+0x57c/0xa80 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>