diff options
| author | Daniel Micay <danielmicay@gmail.com> | 2017-06-05 21:52:34 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-19 22:47:11 +0200 |
| commit | 21a9426de89ecc1a459933ee39e36dfed81f8a24 (patch) | |
| tree | 4a69e48a8e85509372c0d2e3c194970abb7de9a3 /drivers | |
| parent | 11e085a7b9e8b4020e7882eeff785603a55f7d43 (diff) | |
staging/rts5208: Fix read overflow in memcpy
commit 88a5b39b69ab1828fd4130e2baadd184109cea69 upstream.
Noticed by FORTIFY_SOURCE, this swaps memcpy() for strncpy() to zero-value
fill the end of the buffer instead of over-reading a string from .rodata.
Signed-off-by: Daniel Micay <danielmicay@gmail.com>
[kees: wrote commit log]
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Wayne Porter <wporter82@gmail.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/rts5208/rtsx_scsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/rts5208/rtsx_scsi.c b/drivers/staging/rts5208/rtsx_scsi.c index b3790334fd3f..f50076d0fb6c 100644 --- a/drivers/staging/rts5208/rtsx_scsi.c +++ b/drivers/staging/rts5208/rtsx_scsi.c @@ -536,7 +536,7 @@ static int inquiry(struct scsi_cmnd *srb, struct rtsx_chip *chip) if (sendbytes > 8) { memcpy(buf, inquiry_buf, 8); - memcpy(buf + 8, inquiry_string, sendbytes - 8); + strncpy(buf + 8, inquiry_string, sendbytes - 8); if (pro_formatter_flag) { /* Additional Length */ buf[4] = 0x33; |