loader.efi: efi_redirect_exceptions does use uninitialized pointer
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Authored by tsoome on Sun, Feb 8, 11:02 AM.

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Subscribers

bcran

dab

imp

Details

Reviewers

manu
kib

Summary

loader_idt.rd_base is not set when we are attempting to bcopy(),
resulting to data stored to page 0 and therefore corrupting it.

Diff Detail

Repository

rG FreeBSD src repository

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Unit

Tests Skipped

Build Status

Buildable 70518
Build 67401: arc lint + arc unit

Event Timeline

tsoome created this revision.Sun, Feb 8, 11:02 AM

Herald added a reviewer: manu. · View Herald TranscriptSun, Feb 8, 11:02 AM

Herald added subscribers: dab, bcran, imp. · View Herald Transcript

tsoome requested review of this revision.Sun, Feb 8, 11:02 AM

tsoome added a parent revision: D55179: loader.efi: free_tables() appears to free tss_pa twice..

Harbormaster completed remote builds in B70518: Diff 171448.Sun, Feb 8, 11:02 AM

kib accepted this revision.Sun, Feb 8, 12:03 PM

This revision is now accepted and ready to land.Sun, Feb 8, 12:03 PM

Revision Contents
Changeset List

Path

Size

stand/

efi/

loader/

arch/

amd64/

trap.c

1 line

Diff 171448

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stand/efi/loader/arch/amd64/trap.c

loader.efi: efi_redirect_exceptions does use uninitialized pointerAcceptedPublicActions