A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-11 23:24:22 -04:00
Code Issues Projects Releases Packages Wiki Activity

mdt_loader: check for overflow before allocating memory

Browse source 
Memory allocation is happening without checking the overflow.
This could lead to an unexpected results. Check for overflow
before allocating memory.

Change-Id: Icb513ebd8030976e3f0970e9542596f9c5917843
Signed-off-by: Murali Nalajala <quic_mnalajal@quicinc.com>
This commit is contained in:
Murali Nalajala 2022-09-07 17:38:11 -07:00 • committed by Michael Bestas
commit 5886f0dace
No known key found for this signature in database
GPG key ID: CC95044519BE6669
1 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/soc/qcom/mdt_loader.c
View file

@ -107,6 +107,10 @@ void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len)
ehdr_size = phdrs[0].p_filesz;
hash_size = phdrs[1].p_filesz;
/* Overflow check */
if (ehdr_size > SIZE_MAX - hash_size)
return ERR_PTR(-ENOMEM);
data = kmalloc(ehdr_size + hash_size, GFP_KERNEL);
if (!data)
return ERR_PTR(-ENOMEM);