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path: root/drivers/usb/storage/sddr55.c
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Diffstat (limited to 'drivers/usb/storage/sddr55.c')
-rw-r--r--drivers/usb/storage/sddr55.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c
index b323f0a36260..9d813727e65f 100644
--- a/drivers/usb/storage/sddr55.c
+++ b/drivers/usb/storage/sddr55.c
@@ -469,6 +469,12 @@ static int sddr55_write_data(struct us_data *us,
new_pba = (status[3] + (status[4] << 8) + (status[5] << 16))
>> info->blockshift;
+ /* check if device-reported new_pba is out of range */
+ if (new_pba >= (info->capacity >> (info->blockshift + info->pageshift))) {
+ result = USB_STOR_TRANSPORT_FAILED;
+ goto leave;
+ }
+
/* check status for error */
if (status[0] == 0xff && status[1] == 0x4) {
info->pba_to_lba[new_pba] = BAD_BLOCK;