diff options
| author | Nick Clifton <nickc@redhat.com> | 2017-09-05 12:09:14 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2017-09-05 12:09:14 +0100 |
| commit | f17e9d8ab58474cfa24910f9066f3b9823e190e7 (patch) | |
| tree | 47779b7680fc51d43126dd992c357897e5a07ae9 | |
| parent | 22916b0786336394bf84f68ba71875ac3cd48fea (diff) | |
| download | gdb-f17e9d8ab58474cfa24910f9066f3b9823e190e7.zip gdb-f17e9d8ab58474cfa24910f9066f3b9823e190e7.tar.gz gdb-f17e9d8ab58474cfa24910f9066f3b9823e190e7.tar.bz2 | |
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.
| -rw-r--r-- | binutils/ChangeLog | 6 | ||||
| -rw-r--r-- | binutils/readelf.c | 6 |
2 files changed, 9 insertions, 3 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 92d8602..53ac9fe 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -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 diff --git a/binutils/readelf.c b/binutils/readelf.c index 571da2c..d61417a 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -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; |