------------[ cut here ]------------ WARNING: CPU: 0 PID: 14 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x639/0x730 net/ipv4/af_inet.c:157 Modules linked in: CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:inet_sock_destruct+0x639/0x730 net/ipv4/af_inet.c:157 Code: 01 e8 6b 51 00 f9 0f 0b e9 64 fe ff ff e8 5f 51 00 f9 0f 0b e9 99 fe ff ff e8 53 51 00 f9 0f 0b e9 c1 fe ff ff e8 47 51 00 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:ffffc90000d379e8 EFLAGS: 00010246 RAX: ffffffff8878a159 RBX: dffffc0000000000 RCX: ffff88813fe21dc0 RDX: 0000000000000100 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000080000000 R08: ffff88802bd84a7f R09: 1ffff110057b094f R10: dffffc0000000000 R11: ffffed10057b0950 R12: ffff88802bd84800 R13: ffff88802bd84800 R14: ffff88802bd84a20 R15: 1ffff110057b0902 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c38239d CR3: 000000002a792000 CR4: 00000000003506f0 Call Trace: __sk_destruct+0x4f/0x840 net/core/sock.c:1961 sock_put include/net/sock.h:1990 [inline] sctp_endpoint_destroy_rcu+0x9d/0xe0 net/sctp/endpointola.c:193 rcu_do_batch kernel/rcu/tree.c:2523 [inline] rcu_core+0x96e/0x1650 kernel/rcu/tree.c:2763 handle_softirqs+0x336/0x830 kernel/softirq.c:576 run_ksoftirqd+0xa4/0x100 kernel/softirq.c:943 smpboot_thread_fn+0x520/0x990 kernel/smpboot.c:164 kthread+0x42e/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287