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

usb: dwc3-msm: Fix out-of-bounds access in bus voting

Browse source 
The for loop in dwc3_msm_update_bus_bw() was using a NULL
condition rather than against ARRAY_SIZE(mdwc->icc_paths).
This can result in an out-of-bounds access if the memory
just beyond the array also happens to be non-zero.

Change-Id: Ib1f003f774b125a156ceb0070cd9d98a4d1f03ee
Signed-off-by: Jack Pham <jackp@codeaurora.org>
This commit is contained in:
Jack Pham 2020-01-28 20:14:42 -08:00
commit 2c605b45cc
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/usb/dwc3/dwc3-msm.c
View file

@ -2737,7 +2737,7 @@ static int dwc3_msm_update_bus_bw(struct dwc3_msm *mdwc, enum bus_vote bv)
else if (bv == BUS_VOTE_NONE)
bv_index = BUS_VOTE_NONE;
for (i = 0; mdwc->icc_paths[i]; i++) {
for (i = 0; i < ARRAY_SIZE(mdwc->icc_paths); i++) {
ret = icc_set_bw(mdwc->icc_paths[i],
bus_vote_values[bv_index][i].avg,
bus_vote_values[bv_index][i].peak);