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Fix a buffer overrun when parsing a corrupt MIPS ELF binary. 

PR 21995
	* readelf.c (process_mips_specific): Add checks for a NULL data
	pointer.
This commit is contained in:
Nick Clifton 2017-09-05 12:09:14 +01:00
parent 22916b0786
commit f17e9d8ab5
2 changed files with 9 additions and 3 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2017-09-05 Nick Clifton <nickc@redhat.com>
PR 21995
* readelf.c (process_mips_specific): Add checks for a NULL data
pointer.
2017-09-05 Alexander Fedotov <alexander.fedotov@nxp.com>
Edmar Wienskoski <edmar.wienskoski@nxp.com

6
binutils/readelf.c
View File

@ -15324,7 +15324,7 @@ process_mips_specific (FILE * file)
printf ("\n");
}
if (ent < end)
if (data != NULL && ent < end)
{
printf (_(" Local entries:\n"));
printf (" %*s %10s %*s\n",
@ -15854,7 +15854,7 @@ process_mips_specific (FILE * file)
}
printf ("\n");
if (ent < local_end)
if (data != NULL && ent < local_end)
{
printf (_(" Local entries:\n"));
printf (" %*s %10s %*s\n",
@ -15870,7 +15870,7 @@ process_mips_specific (FILE * file)
printf ("\n");
}
if (gotsym < symtabno)
if (data != NULL && gotsym < symtabno)
{
int sym_width;