netlink: 'syz-executor406': attribute type 27 has an invalid length. ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 3 PID: 5187 at net/mac80211/main.c:410 ieee80211_link_info_change_notify+0x21c/0x350 net/mac80211/main.c:410 Modules linked in: CPU: 3 PID: 5187 Comm: syz-executor406 Not tainted 6.9.0-rc2-syzkaller-00435-g9fe30842a90b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:ieee80211_link_info_change_notify+0x21c/0x350 net/mac80211/main.c:410 Code: 74 24 08 48 81 c6 30 01 00 00 48 89 74 24 08 e8 0a 16 46 f7 8b 54 24 04 48 c7 c7 c0 bb 6f 8c 48 8b 74 24 08 e8 85 82 08 f7 90 <0f> 0b 90 90 e8 eb 15 46 f7 4c 89 e2 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffffc9000370f458 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88801e234ca0 RCX: ffffffff814fe349 RDX: ffff888026fc4880 RSI: ffffffff814fe356 RDI: 0000000000000001 RBP: 0000000002000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: ffff88801e2354f0 R13: ffff88801e2362d0 R14: ffff8880246c8e20 R15: 0000000000000000 FS: 0000555567927380(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffda9aeec8 CR3: 000000001bb8e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_mcast_rate+0x42/0x50 net/mac80211/cfg.c:2957 rdev_set_mcast_rate net/wireless/rdev-ops.h:1233 [inline] nl80211_set_mcast_rate+0x355/0x5f0 net/wireless/nl80211.c:11540 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1113 genl_family_rcv_msg net/netlink/genetlink.c:1193 [inline] genl_rcv_msg+0x56c/0x810 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2559 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1217 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0xab5/0xc90 net/socket.c:2584 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2638 __sys_sendmsg+0x117/0x1f0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x72/0x7a RIP: 0033:0x7f1148139d39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffda9aff38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1148139d39 RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000c67928378 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fffda9aff6a R15: 00007f11481b8320