netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5905 at net/wireless/sme.c:532 trace_rdev_connect net/wireless/trace.h:1314 [inline] WARNING: CPU: 0 PID: 5905 at net/wireless/sme.c:532 rdev_connect net/wireless/rdev-ops.h:501 [inline] WARNING: CPU: 0 PID: 5905 at net/wireless/sme.c:532 cfg80211_connect+0x13ac/0x1bb0 net/wireless/sme.c:1259 Modules linked in: CPU: 0 PID: 5905 Comm: syz-executor.1 Not tainted 5.12.0-rc2-syzkaller #0 Hardware name: linux,dummy-virt (DT) pstate: 10000005 (nzcV daif -PAN -UAO -TCO BTYPE=--) pc : cfg80211_sme_connect net/wireless/sme.c:532 [inline] pc : cfg80211_connect+0x13ac/0x1bb0 net/wireless/sme.c:1257 lr : memcpy include/linux/fortify-string.h:191 [inline] lr : cfg80211_connect+0x56c/0x1bb0 net/wireless/sme.c:1250 sp : ffff0000385fefc0 x29: ffff0000385fefc0 x28: ffff000019a38d32 x27: ffff000019a38c10 x26: ffff0000385ff200 x25: 1fffe000033471ac x24: 1fffe000033471aa x23: 1fffe000070bfe14 x22: ffff000019a38d52 x21: 1fffe00003347182 x20: 0000000000000000 x19: ffff800017cb2ea0 x18: 0000000000000001 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 x14: 1fffe000070bfdc4 x13: 0000000000000001 x12: ffff6000033471a7 x11: 1fffe000033471a6 x10: ffff6000033471a6 x9 : dfff800000000000 x8 : ffff000019a38d37 x7 : 0000000000000001 x6 : ffff000019a38d38 x5 : 1fffe00001e46000 x4 : 1fffe000033471ad x3 : 1ffff00002f965fc x2 : 0000000000000000 x1 : 1fffe000033471ab x0 : ffff00001049d800 Call trace: trace_rdev_connect net/wireless/trace.h:1314 [inline] rdev_connect net/wireless/rdev-ops.h:501 [inline] cfg80211_connect+0x13ac/0x1bb0 net/wireless/sme.c:1259 nl80211_connect+0xf94/0x1780 net/wireless/nl80211.c:10901 genl_family_rcv_msg_doit+0x1b8/0x2a0 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x24c/0x42c net/netlink/genetlink.c:800 netlink_rcv_skb+0x198/0x34c net/netlink/af_netlink.c:2502 genl_rcv+0x38/0x50 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x3e0/0x670 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x610/0xa20 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xc0/0xf4 net/socket.c:674 ____sys_sendmsg+0x548/0x6d0 net/socket.c:2350 ___sys_sendmsg+0xf4/0x170 net/socket.c:2404 __sys_sendmsg+0xbc/0x150 net/socket.c:2433 __do_sys_sendmsg net/socket.c:2442 [inline] __se_sys_sendmsg net/socket.c:2440 [inline] __arm64_sys_sendmsg+0x70/0xa0 net/socket.c:2440 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall arch/arm64/kernel/syscall.c:49 [inline] el0_svc_common.constprop.0+0xf0/0x2c0 arch/arm64/kernel/syscall.c:129 do_el0_svc+0xa4/0xd0 arch/arm64/kernel/syscall.c:168 el0_svc+0x24/0x34 arch/arm64/kernel/entry-common.c:416 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:432 el0_sync+0x170/0x180 arch/arm64/kernel/entry.S:699