Date: Sat, 01 Jul 2017 20:25:57 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 219000] [patch] Integer underflow in efipart_realstrategy when I/O starts after end of disk Message-ID: <bug-219000-8-Vt35N2MjhG@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-219000-8@https.bugs.freebsd.org/bugzilla/> References: <bug-219000-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219000 --- Comment #2 from commit-hook@freebsd.org --- A commit references this bug: Author: allanjude Date: Sat Jul 1 20:25:22 UTC 2017 New revision: 320553 URL: https://svnweb.freebsd.org/changeset/base/320553 Log: Integer underflow in efipart_realstrategy when I/O starts after end of disk This fixes an integer underflow in efipart_realstrategy, which causes crashes when an I/O operation's start point is after the end of the disk. This can happen when trying to detect filesystems on very small disks. This can occur if a BIOS freebsd-boot partition exists on a system when the EFI loader is being used. PR: 219000 Submitted by: Eric McCorkle <eric@metricspace.net> Reviewed by: cem (previous version), tsoome (previous version) MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D10559 Changes: head/sys/boot/efi/libefi/efipart.c -- You are receiving this mail because: You are the assignee for the bug.
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