------------[ cut here ]------------ sk->sk_forward_alloc WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x653/0x800 net/ipv4/af_inet.c:162, CPU#0: ksoftirqd/0/15 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:inet_sock_destruct+0x653/0x800 net/ipv4/af_inet.c:162 Code: 86 4d ff e9 06 fd ff ff e8 3a 6f f7 f7 90 0f 0b 90 e9 35 fe ff ff e8 2c 6f f7 f7 90 0f 0b 90 e9 c5 fe ff ff e8 1e 6f f7 f7 90 <0f> 0b 90 e9 04 ff ff ff e8 10 6f f7 f7 90 0f 0b 90 e9 65 fe ff ff RSP: 0018:ffffc90000147ba8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807cf71100 RCX: ffffffff8a120ac7 RDX: ffff88801e2c2500 RSI: ffffffff8a120bc2 RDI: ffff88801e2c2500 RBP: 0000000000000f70 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000f70 R11: 000000000000765b R12: ffff88807cf71100 R13: ffff88807cf71190 R14: ffffffff81ef037d R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8881242da000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdd4ff5030 CR3: 000000004553b000 CR4: 00000000003526f0 Call Trace: __sk_destruct+0x85/0xab0 net/core/sock.c:2352 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x5a2/0x10d0 kernel/rcu/tree.c:2869 handle_softirqs+0x1ea/0xa00 kernel/softirq.c:622 run_ksoftirqd kernel/softirq.c:1076 [inline] run_ksoftirqd+0x38/0x60 kernel/softirq.c:1068 smpboot_thread_fn+0x3d3/0xaa0 kernel/smpboot.c:160 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245