evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge "diag: Prevent out of bound access while getting build mask"

Browse source
This commit is contained in:
Linux Build Service Account 2019-06-18 00:25:17 -07:00 • committed by Gerrit - the friendly Code Review server
commit 6240792cda
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/char/diag/diag_masks.c
View file

@ -643,7 +643,8 @@ static int diag_cmd_get_build_mask(unsigned char *src_buf, int src_len,
struct diag_build_mask_req_t *req = NULL;
struct diag_msg_build_mask_t rsp;
if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0) {
if (!src_buf || !dest_buf || src_len <= 0 || dest_len <= 0 ||
src_len < sizeof(struct diag_build_mask_req_t)) {
pr_err("diag: Invalid input in %s, src_buf: %pK, src_len: %d, dest_buf: %pK, dest_len: %d\n",
__func__, src_buf, src_len, dest_buf, dest_len);
return -EINVAL;