mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-06 08:46:46 +00:00
USB: serial: garmin_gps: add sanity checking for data length
commite9b3c610a0
upstream. We must not process packets shorter than a packet ID Signed-off-by: Oliver Neukum <oneukum@suse.com> Reported-and-tested-by: syzbot+d29e9263e13ce0b9f4fd@syzkaller.appspotmail.com Fixes:1da177e4c3
("Linux-2.6.12-rc2") Cc: stable <stable@vger.kernel.org> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
4f4dc27c09
commit
72886ae16a
1 changed files with 2 additions and 2 deletions
|
@ -1138,8 +1138,8 @@ static void garmin_read_process(struct garmin_data *garmin_data_p,
|
|||
send it directly to the tty port */
|
||||
if (garmin_data_p->flags & FLAGS_QUEUING) {
|
||||
pkt_add(garmin_data_p, data, data_length);
|
||||
} else if (bulk_data ||
|
||||
getLayerId(data) == GARMIN_LAYERID_APPL) {
|
||||
} else if (bulk_data || (data_length >= sizeof(u32) &&
|
||||
getLayerId(data) == GARMIN_LAYERID_APPL)) {
|
||||
|
||||
spin_lock_irqsave(&garmin_data_p->lock, flags);
|
||||
garmin_data_p->flags |= APP_RESP_SEEN;
|
||||
|
|
Loading…
Reference in a new issue