netlink: 4 bytes leftover after parsing attributes in process `syz.8.5714'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 23231 at net/mac80211/driver-ops.c:473 drv_link_info_changed+0x14c/0x870 net/mac80211/driver-ops.c:468 Modules linked in: CPU: 0 UID: 0 PID: 23231 Comm: syz.8.5714 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:drv_link_info_changed+0x14c/0x870 net/mac80211/driver-ops.c:468 Code: 83 fb 01 75 1f e8 f4 02 d8 f6 eb 32 e8 ed 02 d8 f6 eb 2b 83 fb 03 74 21 83 fb 05 75 07 e8 dc 02 d8 f6 eb 1a e8 d5 02 d8 f6 90 <0f> 0b 90 e9 b5 01 00 00 e8 c7 02 d8 f6 eb 05 e8 c0 02 d8 f6 4d 8d RSP: 0018:ffffc9000b1dec80 EFLAGS: 00010287 RAX: ffffffff8ae7a95b RBX: 0000000080000000 RCX: 0000000000080000 RDX: ffffc9000d66e000 RSI: 00000000000005f9 RDI: 00000000000005fa RBP: ffff88806d600e40 R08: ffff88802ab75a00 R09: 0000000000000004 R10: 0000000000000005 R11: 0000000000000002 R12: ffff888011ccd730 R13: ffff888011cccd80 R14: 0000000000000200 R15: ffff888011ccea28 FS: 00007ff6269fe6c0(0000) GS:ffff888125c1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3396ec CR3: 0000000011c3a000 CR4: 00000000003526f0 Call Trace: ieee80211_offchannel_stop_vifs+0x249/0x560 net/mac80211/offchannel.c:122 ieee80211_start_sw_scan net/mac80211/scan.c:574 [inline] __ieee80211_start_scan+0x19e9/0x1d30 net/mac80211/scan.c:873 rdev_scan+0x157/0x300 net/wireless/rdev-ops.h:467 cfg80211_conn_scan+0xa24/0xd60 net/wireless/sme.c:134 cfg80211_sme_connect net/wireless/sme.c:629 [inline] cfg80211_connect+0x1899/0x21a0 net/wireless/sme.c:1524 nl80211_connect+0x17bc/0x1cd0 net/wireless/nl80211.c:12922 genl_family_rcv_msg_doit+0x212/0x300 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff625b8ebe9 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:00007ff6269fe038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff625db5fa0 RCX: 00007ff625b8ebe9 RDX: 0000000008060040 RSI: 0000200000000040 RDI: 0000000000000003 RBP: 00007ff625c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff625db6038 R14: 00007ff625db5fa0 R15: 00007fff5f9da708