priority=0x0 mark=0x0 alloc_cpu=0 vlan_all=0x0 encapsulation=0 inner(proto=0x0000, mac=0, net=0, trans=0) skb frag[0] netmem 0 offset 0 len 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16 at net/core/skbuff.c:1126 skb_release_data+0x993/0xba0 net/core/skbuff.c:1126 Modules linked in: CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:skb_release_data+0x993/0xba0 net/core/skbuff.c:1126 Code: f8 48 89 ea e9 25 f7 ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 60 fe ff ff 4c 89 ff e8 38 2c 79 f8 e9 53 fe ff ff e8 0e c4 12 f8 90 <0f> 0b 90 e9 08 fb ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 25 fd ff ff RSP: 0018:ffffc90000156bb8 EFLAGS: 00010246 RAX: ffffffff898cafe2 RBX: 0000000000000000 RCX: ffff88801ce8da00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff1100b9460ae R08: ffffffff898caf1f R09: fffffbfff1cfa210 R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: ffff888075636400 R13: ffff888075636540 R14: ffff88805ca30574 R15: ffff88805ca3057e FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fee54554fb8 CR3: 0000000033606000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_release_all net/core/skbuff.c:1200 [inline] __kfree_skb+0x55/0x70 net/core/skbuff.c:1214 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3436 [inline] tcp_ack+0x2442/0x6bc0 net/ipv4/tcp_input.c:4032 tcp_rcv_state_process+0x8eb/0x44e0 net/ipv4/tcp_input.c:6805 tcp_v4_do_rcv+0x77d/0xc70 net/ipv4/tcp_ipv4.c:1939 tcp_v4_rcv+0x2dc0/0x37f0 net/ipv4/tcp_ipv4.c:2351 ip_protocol_deliver_rcu+0x22e/0x440 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x341/0x5f0 net/ipv4/ip_input.c:233 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5672 [inline] __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5785 process_backlog+0x662/0x15b0 net/core/dev.c:6117 __napi_poll+0xcb/0x490 net/core/dev.c:6883 napi_poll net/core/dev.c:6952 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:7074 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 run_ksoftirqd+0xca/0x130 kernel/softirq.c:950 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244