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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-06-02 14:02:18 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-06-02 08:40:56 -0700 |
| commit | 690b2549b19563ec5ad53e5c82f6a944d910086e (patch) | |
| tree | 59d93f4cfe6a688fbf9455c88ad2ec776955c90b /LICENSES | |
| parent | d1dc87763f406d4e67caf16dbe438a5647692395 (diff) | |
| download | linux-690b2549b19563ec5ad53e5c82f6a944d910086e.tar.gz | |
i2c: ismt: prevent memory corruption in ismt_access()
The "data->block[0]" variable comes from the user and is a number
between 0-255. It needs to be capped to prevent writing beyond the end
of dma_buffer[].
Fixes: 5e9a97b1f449 ("i2c: ismt: Adding support for I2C_SMBUS_BLOCK_PROC_CALL")
Reported-and-tested-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'LICENSES')
0 files changed, 0 insertions, 0 deletions