csum(0x0 start=0 offset=0 ip_summed=3 complete_sw=0 valid=0 level=0) hash(0x0 sw=0 l4=0) proto=0x0000 pkttype=0 iif=0 priority=0x0 mark=0x0 alloc_cpu=0 vlan_all=0x0 encapsulation=0 inner(proto=0x0000, mac=0, net=0, trans=0) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6821 at net/core/skbuff.c:1126 skb_release_data+0x993/0xba0 net/core/skbuff.c:1126 Modules linked in: CPU: 1 UID: 0 PID: 6821 Comm: syz.1.55 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 a8 2b 79 f8 e9 53 fe ff ff e8 7e c3 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:ffffc900032ee9b8 EFLAGS: 00010293 RAX: ffffffff898cb072 RBX: 0000000000000000 RCX: ffff888031fb0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 1ffff1100510dd9e R08: ffffffff898cafaf R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff8880294c9e00 R13: ffff8880294c9f40 R14: ffff88802886ecf4 R15: ffff88802886ecfe FS: 00007ff1da37a6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f33a797efb8 CR3: 000000002fe72000 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 sk_backlog_rcv include/net/sock.h:1121 [inline] __release_sock+0x214/0x350 net/core/sock.c:3083 __tcp_close+0x4fe/0xde0 net/ipv4/tcp.c:3143 __mptcp_close_ssk+0x424/0x1080 net/mptcp/protocol.c:2495 mptcp_pm_nl_rm_addr_or_subflow+0x501/0xc00 net/mptcp/pm_netlink.c:889 mptcp_pm_nl_rm_subflow_received net/mptcp/pm_netlink.c:924 [inline] mptcp_pm_flush_addrs_and_subflows net/mptcp/pm_netlink.c:1688 [inline] mptcp_nl_flush_addrs_list net/mptcp/pm_netlink.c:1709 [inline] mptcp_pm_nl_flush_addrs_doit+0x9ca/0xdd0 net/mptcp/pm_netlink.c:1750 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2542 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891 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: 0033:0x7ff1d9585d19 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:00007ff1da37a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff1d9775fa0 RCX: 00007ff1d9585d19 RDX: 0000000000000800 RSI: 0000000020000200 RDI: 0000000000000007 RBP: 00007ff1d9601a20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff1d9775fa0 R15: 00007ff1d989fa28