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 2026-10-08 12:58:12 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge "msm: kgsl: Validate page offset before vmf_insert_page"

Browse source
This commit is contained in:
qctecmdr 2021-04-26 08:46:48 -07:00 • committed by Gerrit - the friendly Code Review server
commit 52600d3249
1 changed files with 5 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/msm/kgsl_sharedmem.c
View file

@ -366,8 +366,12 @@ static vm_fault_t kgsl_paged_vmfault(struct kgsl_memdesc *memdesc,
struct vm_fault *vmf)
{
int pgoff;
unsigned int offset = vmf->address - vma->vm_start;
pgoff = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
if (offset >= memdesc->size)
return VM_FAULT_SIGBUS;
pgoff = offset >> PAGE_SHIFT;
return vmf_insert_page(vma, vmf->address, memdesc->pages[pgoff]);
}