]> www.infradead.org Git - users/dwmw2/linux.git/commit
wifi: cfg80211: wext: add extra SIOCSIWSCAN data check
authorDmitry Antipov <dmantipov@yandex.ru>
Fri, 31 May 2024 03:20:10 +0000 (06:20 +0300)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 12 Jun 2024 08:07:56 +0000 (10:07 +0200)
commit6ef09cdc5ba0f93826c09d810c141a8d103a80fc
treee6ad74984681cfe0decd275baf2937f7396ce59e
parent0941772342d59e48733131ac3a202fa1a4d832e9
wifi: cfg80211: wext: add extra SIOCSIWSCAN data check

In 'cfg80211_wext_siwscan()', add extra check whether number of
channels passed via 'ioctl(sock, SIOCSIWSCAN, ...)' doesn't exceed
IW_MAX_FREQUENCIES and reject invalid request with -EINVAL otherwise.

Reported-by: syzbot+253cd2d2491df77c93ac@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=253cd2d2491df77c93ac
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://msgid.link/20240531032010.451295-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/wireless/scan.c