netlink: 272 bytes leftover after parsing attributes in process `syz.3.1601'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8332 at net/wireless/core.h:231 wdev_lock+0x96/0xc0 Modules linked in: CPU: 0 PID: 8332 Comm: syz.3.1601 Not tainted 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:wdev_lock+0x96/0xc0 net/wireless/core.h:231 Code: e8 7d f7 85 ed 74 1e e8 98 e4 7d f7 eb 05 e8 91 e4 7d f7 48 83 c3 48 48 89 df 31 f6 5b 41 5e 5d e9 ef 18 a3 00 e8 7a e4 7d f7 <0f> 0b eb e5 48 c7 c1 24 1a 9a 8e 80 e1 07 80 c1 03 38 c1 0f 8c 7b RSP: 0018:ffffc90003406f40 EFLAGS: 00010287 RAX: ffffffff8a0ccac6 RBX: ffff888058af8c90 RCX: 0000000000040000 RDX: ffffc90005b31000 RSI: 000000000000296e RDI: 000000000000296f RBP: 0000000000000000 R08: ffffffff8a0cca9f R09: ffffed100c83540d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88805b8b3000 R14: dffffc0000000000 R15: ffff8880641aa014 FS: 00007f5ca4ee36c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3091fffc CR3: 000000004140a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nl80211_send_iface+0x816/0x1470 net/wireless/nl80211.c:3852 nl80211_dump_interface+0x490/0x6a0 net/wireless/nl80211.c:3985 netlink_dump+0x5a2/0xca0 net/netlink/af_netlink.c:2232 __netlink_dump_start+0x521/0x6c0 net/netlink/af_netlink.c:2334 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:714 [inline] genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x9f3/0xf70 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2507 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2597 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f5ca417def9 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:00007f5ca4ee3038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f5ca4335f80 RCX: 00007f5ca417def9 RDX: 0000000000000000 RSI: 0000000020000c40 RDI: 0000000000000006 RBP: 00007f5ca41f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5ca4335f80 R15: 00007fff5006fea8