mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-30 08:02:30 +00:00
Code Issues Releases Wiki Activity

IB/hfi1: Fix potential buffer overflow

Browse source 
This fixes potential buffer overflow because the sprintf function
doesn't check buffer boundaries. Use snprintf instead.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Tadeusz Struk 2016-06-09 07:51:51 -07:00 committed by Doug Ledford
parent 93dd0a0978
commit c078f0dd01
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/infiniband/hw/hfi1/qsfp.c
View file

@ -579,7 +579,8 @@ int qsfp_dump(struct hfi1_pportdata *ppd, char *buf, int len)
if (ppd->qsfp_info.cache_valid) {
if (QSFP_IS_CU(cache[QSFP_MOD_TECH_OFFS]))
sprintf(lenstr, "%dM ", cache[QSFP_MOD_LEN_OFFS]);
snprintf(lenstr, sizeof(lenstr), "%dM ",
cache[QSFP_MOD_LEN_OFFS]);
power_byte = cache[QSFP_MOD_PWR_OFFS];
sofar += scnprintf(buf + sofar, len - sofar, "PWR:%.3sW\n",