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vc/amd/agesa: fix out-of-bounds read 

Fix the out-of-bounds read issue found by Coverity.

TEST=none

Signed-off-by: Jason Nien <finaljason@gmail.com>
Change-Id: I01e134cb6b025bf7cb5030cd9378297d7f6df509
Reported-by: Coverity (CID:1376956)
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58803
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Jason Nien 2021-11-01 17:10:52 -05:00 committed by Felix Held
parent 74b85f2e2e
commit 98d76cb708
2 changed files with 2 additions and 2 deletions
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2
src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/cpuF15MmioMap.c
View File

@ -229,7 +229,7 @@ cpuF15AddingMmioMap (
MmioRange[MmioPair].Base = (MmioRange[MmioPair].Base <= NewMmioRange.Base) ? MmioRange[MmioPair].Base : NewMmioRange.Base;
MmioRange[MmioPair].Modified = TRUE;
for (i = 1; NewMmioRange.Limit >= MmioRange[MmioPair + i].Base; i++) {
for (i = 1; ((MmioPair + i) < MMIO_REG_PAIR_NUM) && NewMmioRange.Limit >= MmioRange[MmioPair + i].Base; i++) {
if ((NewMmioRange.Attribute.MmioPostedRange == MmioRange[MmioPair + i].Attribute.MmioPostedRange) &&
(NewMmioRange.Attribute.MmioReadableRange == MmioRange[MmioPair + i].Attribute.MmioReadableRange) &&
(NewMmioRange.Attribute.MmioWritableRange == MmioRange[MmioPair + i].Attribute.MmioWritableRange) &&

2
src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/cpuF16MmioMap.c
View File

@ -225,7 +225,7 @@ cpuF16AddingMmioMap (
MmioRange[MmioPair].Base = (MmioRange[MmioPair].Base <= NewMmioRange.Base) ? MmioRange[MmioPair].Base : NewMmioRange.Base;
MmioRange[MmioPair].Modified = TRUE;
for (i = 1; NewMmioRange.Limit >= MmioRange[MmioPair + i].Base; i++) {
for (i = 1; ((MmioPair + i) < MMIO_REG_PAIR_NUM) && NewMmioRange.Limit >= MmioRange[MmioPair + i].Base; i++) {
if ((NewMmioRange.Attribute.MmioPostedRange == MmioRange[MmioPair + i].Attribute.MmioPostedRange) &&
(NewMmioRange.Attribute.MmioReadableRange == MmioRange[MmioPair + i].Attribute.MmioReadableRange) &&
(NewMmioRange.Attribute.MmioWritableRange == MmioRange[MmioPair + i].Attribute.MmioWritableRange) &&