------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 0 PID: 8436 at net/mac80211/driver-ops.h:172 drv_bss_info_changed+0x4f8/0x5f0 net/mac80211/driver-ops.h:172 Modules linked in: CPU: 1 PID: 8436 Comm: syz-executor171 Not tainted 5.12.0-rc4-next-20210324-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drv_bss_info_changed+0x4f8/0x5f0 net/mac80211/driver-ops.h:172 Code: 40 06 00 00 48 85 ed 0f 84 9c 00 00 00 e8 e0 72 18 f9 e8 db 72 18 f9 8b 54 24 04 48 89 ee 48 c7 c7 20 2b 86 8a e8 bb 62 6d 00 <0f> 0b e9 dd fd ff ff e8 bc 72 18 f9 0f 0b e9 15 fd ff ff 4c 89 ff RSP: 0018:ffffc900016bf508 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801a2d5580 RSI: ffffffff815c3fd5 RDI: fffff520002d7e93 RBP: ffff888011ed0000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815bd77e R11: 0000000000000000 R12: ffff888011ed0c00 R13: 0000000002000000 R14: ffff888011ed1e20 R15: ffff888011ed1e18 FS: 0000000000eb5300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000a6c0 CR3: 0000000018eb5000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_bss_info_change_notify+0x9a/0xc0 net/mac80211/main.c:210 ieee80211_set_mcast_rate+0x37/0x40 net/mac80211/cfg.c:2542 rdev_set_mcast_rate net/wireless/rdev-ops.h:1202 [inline] nl80211_set_mcast_rate+0x317/0x610 net/wireless/nl80211.c:10413 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x440839 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff7c2a3598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004b73a0 RCX: 0000000000440839 RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000031 R13: 00007fff7c2a35e0 R14: 00007fff7c2a35ca R15: 00000000004b7410