diff options
| author | Griffin Kroah-Hartman <griffin@kroah.com> | 2026-08-19 12:04:25 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-09-01 16:31:07 +0200 |
| commit | 2430eb81e44111b30eeb5273bbcf8b24ca517ef9 (patch) | |
| tree | f05acf1f5065d1f0eb9fa97629743d1349c0c629 | |
| parent | cd3b9cea675bbfebc223f007dc2f4e79524fa54c (diff) | |
usb: image: mdc800: change kmalloc() to kzalloc()
Change the kmalloc() calls in usb_mdc800_init() for irq_urb_buffer and
download_urb_buffer to kzalloc(), avoiding potential stack leaks if a
shorter message is received in mdc800_usb_irq() and
mdc800_usb_download_notify()
Assisted-by: gkh_clanker_t1000
Cc: stable <stable@kernel.org>
Signed-off-by: Griffin Kroah-Hartman <griffin@kroah.com>
Link: https://patch.msgid.link/20260819-usb_misc_random-v1-1-43a0dcee3a32@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/image/mdc800.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c index ca287b770e8c..f7caa1c5cbb7 100644 --- a/drivers/usb/image/mdc800.c +++ b/drivers/usb/image/mdc800.c @@ -1000,13 +1000,13 @@ static int __init usb_mdc800_init (void) mdc800->downloaded = 0; mdc800->written = 0; - mdc800->irq_urb_buffer=kmalloc (8, GFP_KERNEL); + mdc800->irq_urb_buffer=kzalloc (8, GFP_KERNEL); if (!mdc800->irq_urb_buffer) goto cleanup_on_fail; mdc800->write_urb_buffer=kmalloc (8, GFP_KERNEL); if (!mdc800->write_urb_buffer) goto cleanup_on_fail; - mdc800->download_urb_buffer=kmalloc (64, GFP_KERNEL); + mdc800->download_urb_buffer=kzalloc (64, GFP_KERNEL); if (!mdc800->download_urb_buffer) goto cleanup_on_fail; |