------------[ cut here ]------------ WARNING: CPU: 0 PID: 27500 at net/mac80211/ieee80211_i.h:1456 kmalloc_array include/linux/slab.h:588 [inline] WARNING: CPU: 0 PID: 27500 at net/mac80211/ieee80211_i.h:1456 kcalloc include/linux/slab.h:621 [inline] WARNING: CPU: 0 PID: 27500 at net/mac80211/ieee80211_i.h:1456 sta_info_alloc+0x19de/0x1db0 net/mac80211/sta_info.c:411 Modules linked in: CPU: 0 PID: 27500 Comm: syz-executor.4 Not tainted 5.11.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_get_sband include/linux/slab.h:588 [inline] RIP: 0010:sta_info_alloc+0x19de/0x1db0 net/mac80211/sta_info.c:487 Code: 10 84 c0 0f 85 82 03 00 00 c7 03 02 00 00 00 e9 77 fb ff ff e8 e3 05 4f f8 0f 0b e9 5d fb ff ff e8 d7 05 4f f8 e9 f9 fe ff ff <0f> 0b e8 2b d7 70 00 89 c3 31 ff 89 c6 e8 d0 09 4f f8 85 db 74 10 RSP: 0018:ffffc9000201f1d0 EFLAGS: 00010246 RAX: ffffffff892e13bd RBX: 0000000000000001 RCX: dffffc0000000000 RDX: ffffc90011614000 RSI: 00000000000002b4 RDI: 00000000000002b5 RBP: 0000000000000000 R08: ffffffff892e13b4 R09: fffffbfff1e54291 R10: fffffbfff1e54291 R11: 0000000000000000 R12: ffff888018446098 R13: 0000000000000005 R14: ffff888029c46000 R15: ffff8880281c8c80 FS: 00007f1f6899a700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005589b7716f30 CR3: 0000000067882000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_add_station+0x266/0x570 net/mac80211/cfg.c:1674 rdev_add_station net/wireless/rdev-ops.h:190 [inline] nl80211_new_station+0x195c/0x2140 net/wireless/nl80211.c:6650 genl_family_rcv_msg_doit net/netlink/genetlink.c:739 [inline] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0xfb4/0x13c0 net/netlink/genetlink.c:800 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2494 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x7de/0x9b0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0xaa6/0xe90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x5a2/0x900 net/socket.c:2345 ___sys_sendmsg net/socket.c:2399 [inline] __sys_sendmsg+0x319/0x400 net/socket.c:2432 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1f68999c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffd9d34993f R14: 00007f1f6899a9c0 R15: 000000000119bf8c