Fix memory corruption while configuring CPU windows on Marvell SoCs
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Authored by mw_semihalf.com on May 14 2017, 12:58 AM.

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zbb
loos
mmel
• ian

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rS318874: Fix memory corruption while configuring CPU windows on Marvell SoCs

Summary

Resolving CPU windows from localbus entry caused buffer overflow
and memory corruption. Fix wrong indexing and ensure the index
does not exceed table size.

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Repository

rS FreeBSD src repository - subversion

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Event Timeline

mw_semihalf.com created this revision.May 14 2017, 12:58 AM

Herald added subscribers: andrew, imp. · View Herald TranscriptMay 14 2017, 12:58 AM

mw_semihalf.com added a parent revision: D10719: Enable proper parsing of nested simlpe-buses on Marvell platforms.May 14 2017, 12:58 AM

mw_semihalf.com added a child revision: D10721: Fix USB3.0 decoding windows on Armada38x.

I think it is easier to use nitems() here.

sys/arm/mv/mv_common.c
2158 ↗	(On Diff #28320)	if (tuples > nitems(cpu_win_tbl)) {
2196 ↗	(On Diff #28320)	if (t >= nitems(cpu_win_tbl)) {

Switched to nitems, thanks for the suggestion.

Closed by commit rS318874: Fix memory corruption while configuring CPU windows on Marvell SoCs (authored by zbb). · Explain WhyMay 25 2017, 2:17 PM

This revision was automatically updated to reflect the committed changes.

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head/

sys/

arm/

mv/

mv_common.c

12 lines

Diff 28783

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head/sys/arm/mv/mv_common.c

Fix memory corruption while configuring CPU windows on Marvell SoCsClosedPublicActions