netlink: 'syz-executor297': attribute type 16 has an invalid length. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8382 at net/mac80211/ieee80211_i.h:1458 kmalloc_array include/linux/slab.h:590 [inline] WARNING: CPU: 1 PID: 8382 at net/mac80211/ieee80211_i.h:1458 kcalloc include/linux/slab.h:623 [inline] WARNING: CPU: 1 PID: 8382 at net/mac80211/ieee80211_i.h:1458 sta_info_alloc+0x19ee/0x1dc0 net/mac80211/sta_info.c:411 Modules linked in: CPU: 1 PID: 8382 Comm: syz-executor297 Not tainted 5.12.0-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:590 [inline] RIP: 0010:sta_info_alloc+0x19ee/0x1dc0 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 c3 bc 8f f8 0f 0b e9 5d fb ff ff e8 b7 bc 8f f8 e9 f9 fe ff ff <0f> 0b e8 bb d8 6c 00 89 c3 31 ff 89 c6 e8 b0 c0 8f f8 85 db 74 10 RSP: 0018:ffffc90008967720 EFLAGS: 00010246 RAX: ffffffff88e94e6d RBX: 0000000000000001 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff88e94e64 R09: fffffbfff1f296b1 R10: fffffbfff1f296b1 R11: 0000000000000000 R12: ffff888026d320d8 R13: 0000000000000005 R14: ffff88802ab80000 R15: ffff88801d358d00 FS: 00000000019f4300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f705e96c0 CR3: 0000000015760000 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+0x182d/0x2050 net/wireless/nl80211.c:6739 genl_family_rcv_msg_doit net/netlink/genetlink.c:739 [inline] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0xe4e/0x1280 net/netlink/genetlink.c:800 netlink_rcv_skb+0x190/0x3a0 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+0x786/0x940 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x9ae/0xd50 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] ____sys_sendmsg+0x519/0x800 net/socket.c:2350 ___sys_sendmsg net/socket.c:2404 [inline] __sys_sendmsg+0x2bf/0x370 net/socket.c:2433 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x440959 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:00007ffde0f9f3b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004b73c0 RCX: 0000000000440959 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001 R10: 0000000c00000001 R11: 0000000000000246 R12: 0000000000000031 R13: 00007ffde0f9f400 R14: 00007ffde0f9f3ea R15: 00000000004b7430