redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb() 

"num_read" is in byte units but we are write u16s so we end up write
twice as much as intended.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
hifive-unleashed-5.1
Dan Carpenter 2015-08-08 22:16:42 +03:00 committed by Jonathan Cameron
parent 61fd563091
commit eda7d0f38a
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/iio/accel/sca3000_ring.c
View File

@ -116,7 +116,7 @@ static int sca3000_read_first_n_hw_rb(struct iio_buffer *r,
if (ret)
goto error_ret;
for (i = 0; i < num_read; i++)
for (i = 0; i < num_read / sizeof(u16); i++)
*(((u16 *)rx) + i) = be16_to_cpup((__be16 *)rx + i);
if (copy_to_user(buf, rx, num_read))