------------[ cut here ]------------ sk->sk_forward_alloc WARNING: net/ipv4/af_inet.c:162 at inet_sock_destruct+0x62d/0x740 net/ipv4/af_inet.c:162, CPU#1: ksoftirqd/1/23 Modules linked in: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:inet_sock_destruct+0x62d/0x740 net/ipv4/af_inet.c:162 Code: 0f 0b 90 e9 58 fe ff ff e8 00 02 9f f7 90 0f 0b 90 e9 8b fe ff ff e8 f2 01 9f f7 90 0f 0b 90 e9 b1 fe ff ff e8 e4 01 9f f7 90 <0f> 0b 90 e9 d7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 95 fc RSP: 0018:ffffc900001d7ae8 EFLAGS: 00010246 RAX: ffffffff8a26ac8c RBX: dffffc0000000000 RCX: ffff88801dec0000 RDX: 0000000000000100 RSI: 0000000000000090 RDI: 0000000000000000 RBP: 0000000000000090 R08: ffff888011f78b27 R09: 1ffff110023ef164 R10: dffffc0000000000 R11: ffffed10023ef165 R12: ffff888011f78880 R13: dffffc0000000000 R14: ffff888011f78b0c R15: ffffffff8fca6c80 FS: 0000000000000000(0000) GS:ffff888125555000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc29b5456b8 CR3: 0000000049d66000 CR4: 00000000003526f0 Call Trace: __sk_destruct+0x85/0x880 net/core/sock.c:2350 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869 handle_softirqs+0x22a/0x870 kernel/softirq.c:622 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1063 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245