netlink: 4768 bytes leftover after parsing attributes in process `syz.4.1722'. ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 0 PID: 10915 at net/mac80211/driver-ops.h:172 drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline] WARNING: CPU: 0 PID: 10915 at net/mac80211/driver-ops.h:172 ieee80211_bss_info_change_notify+0x37b/0x550 net/mac80211/main.c:212 Modules linked in: CPU: 1 PID: 10915 Comm: syz.4.1722 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline] RIP: 0010:ieee80211_bss_info_change_notify+0x37b/0x550 net/mac80211/main.c:212 Code: 0b 7e f8 49 8b 84 24 00 06 00 00 49 81 c4 20 06 00 00 48 85 c0 4c 0f 45 e0 48 c7 c7 c0 31 39 8b 4c 89 e6 89 ea e8 e5 a0 71 00 <0f> 0b e9 07 fd ff ff e8 09 ec 38 f8 0f 0b e9 b1 fe ff ff e8 fd eb RSP: 0018:ffffc9000158f3a0 EFLAGS: 00010246 RAX: 61f8a7728748e500 RBX: 0000000002000000 RCX: 0000000000080000 RDX: ffffc9000e84a000 RSI: 0000000000006e78 RDI: 0000000000006e79 RBP: 0000000000000004 R08: ffff8880b9033d7f R09: 1ffff110172067af R10: dffffc0000000000 R11: ffffed10172067b0 R12: ffff888079e1c000 R13: ffff888079e1d290 R14: ffff88807e308e00 R15: ffff888079e1e268 FS: 00007f0d912156c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff38e081158 CR3: 0000000062a13000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_set_mcast_rate+0x3b/0x50 net/mac80211/cfg.c:2602 rdev_set_mcast_rate net/wireless/rdev-ops.h:1212 [inline] nl80211_set_mcast_rate+0x346/0x530 net/wireless/nl80211.c:10462 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xcea/0xf90 net/netlink/genetlink.c:792 netlink_rcv_skb+0x1f5/0x440 net/netlink/af_netlink.c:2507 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x774/0x920 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8ba/0xbe0 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5b7/0x8f0 net/socket.c:2445 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2499 __sys_sendmsg net/socket.c:2528 [inline] __do_sys_sendmsg net/socket.c:2537 [inline] __se_sys_sendmsg+0x1af/0x290 net/socket.c:2535 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f0d92fbb819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0d91215028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0d93234fa0 RCX: 00007f0d92fbb819 RDX: 0000000000004800 RSI: 0000200000000600 RDI: 0000000000000004 RBP: 00007f0d93051c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0d93235038 R14: 00007f0d93234fa0 R15: 00007ffc41286398