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PR24911, Heap overflow issue in qsort_r, dwarf.c

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The actual args to this function are "pointers to pointers to
debug_info".

	PR 24911
	* dwarf.c (comp_addr_base): Dereference args.
This commit is contained in:
Alan Modra
2019-08-17 18:01:05 +09:30
parent 98ac8787e9
commit d367307b93
2 changed files with 7 additions and 2 deletions
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5
binutils/ChangeLog
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@ -1,3 +1,8 @@
2019-08-17 Alan Modra <amodra@gmail.com>
PR 24911
* dwarf.c (comp_addr_base): Dereference args.
2019-08-16 Alan Modra <amodra@gmail.com> 2019-08-16 Alan Modra <amodra@gmail.com>
PR 24909 PR 24909

4
binutils/dwarf.c
View File

@ -6545,8 +6545,8 @@ display_debug_aranges (struct dwarf_section *section,
static int static int
comp_addr_base (const void * v0, const void * v1) comp_addr_base (const void * v0, const void * v1)
{ {
debug_info * info0 = (debug_info *) v0; debug_info *info0 = *(debug_info **) v0;
debug_info * info1 = (debug_info *) v1; debug_info *info1 = *(debug_info **) v1;
return info0->addr_base - info1->addr_base; return info0->addr_base - info1->addr_base;
} }