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- Fix an off-by-one bug in _libelf_insert_section(). [1]

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- Update (c) years.

Submitted by:		kaiw [1]
This commit is contained in:
Joseph Koshy 2008-03-03 04:29:25 +00:00
parent dfdb409ef0
commit 2a100d2353
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=176758
1 changed files with 11 additions and 5 deletions
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16
lib/libelf/elf_update.c
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@ -1,5 +1,5 @@
/*-
* Copyright (c) 2006 Joseph Koshy
* Copyright (c) 2006-2008 Joseph Koshy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -246,13 +246,19 @@ _libelf_insert_section(Elf *e, Elf_Scn *s)
tmin = t->s_offset;
tmax = tmin + t->s_size;
/* check if there is an overlap */
if (tmax < smin) {
if (tmax <= smin) {
/*
* 't' lies entirely before 's': ...| t |...| s |...
*/
prevt = t;
continue;
} else if (smax < tmin)
} else if (smax <= tmin)
/*
* 's' lies entirely before 't', and after 'prevt':
* ...| prevt |...| s |...| t |...
*/
break;
else {
else { /* 's' and 't' overlap. */
LIBELF_SET_ERROR(LAYOUT, 0);
return (0);
}