hash(0x0 sw=0 l4=0) proto=0x0000 pkttype=0 iif=0 priority=0x0 mark=0x0 alloc_cpu=1 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: 1 PID: 12713 at net/core/skbuff.c:1126 skb_release_data+0x993/0xba0 net/core/skbuff.c:1126 Modules linked in: CPU: 1 UID: 0 PID: 12713 Comm: syz.0.2677 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 49 79 f8 e9 53 fe ff ff e8 0e e1 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:ffffc90000a17e18 EFLAGS: 00010246 RAX: ffffffff898c92e2 RBX: 0000000000000000 RCX: ffff888022ff8000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff1100f801b7e R08: ffffffff898c921f R09: 1ffff92000142f28 R10: dffffc0000000000 R11: fffff52000142f29 R12: ffff8880290b2d00 R13: ffff8880290b2e40 R14: ffff88807c00dbf4 R15: ffff88807c00dbfe FS: 00007f4db115a6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4db036b7e0 CR3: 0000000029b0a000 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 do_softirq+0x11b/0x1e0 kernel/softirq.c:462 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:389 lock_sock include/net/sock.h:1617 [inline] netlink_insert+0xd7/0x14b0 net/netlink/af_netlink.c:558 netlink_autobind+0x221/0x2f0 net/netlink/af_netlink.c:838 netlink_sendmsg+0x7a8/0xcb0 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2669 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4db0385d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4db115a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4db0575fa0 RCX: 00007f4db0385d19 RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000006 RBP: 00007f4db0401a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f4db0575fa0 R15: 00007f4db069fa28