diff options
| author | Roland McGrath <[email protected]> | 2005-08-02 01:24:01 +0000 |
|---|---|---|
| committer | Roland McGrath <[email protected]> | 2005-08-02 01:24:01 +0000 |
| commit | a5a89687681ca81e82681b56612495c0d087829e (patch) | |
| tree | 6f1fe82d9ef2f1cc864cfa4fdf84f240a448fa5b /libdw/dwarf_getabbrev.c | |
| parent | 83fcb48e54b31230235e7dcc1b21b446ba3f5cc4 (diff) | |
2005-08-01 Roland McGrath <[email protected]>
* dwarf_getaranges.c (dwarf_getaranges): Check for bogus offset.
* dwarf_getabbrev.c (__libdw_getabbrev): Likewise.
Diffstat (limited to 'libdw/dwarf_getabbrev.c')
| -rw-r--r-- | libdw/dwarf_getabbrev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libdw/dwarf_getabbrev.c b/libdw/dwarf_getabbrev.c index a6968a83..ecac0859 100644 --- a/libdw/dwarf_getabbrev.c +++ b/libdw/dwarf_getabbrev.c @@ -34,8 +34,15 @@ __libdw_getabbrev (dbg, cu, offset, lengthp, result) if (dbg->sectiondata[IDX_debug_abbrev] == NULL) return NULL; + if (offset >= dbg->sectiondata[IDX_debug_abbrev]->d_size) + { + __libdw_seterrno (DWARF_E_INVALID_OFFSET); + return NULL; + } + const unsigned char *abbrevp = (unsigned char *) dbg->sectiondata[IDX_debug_abbrev]->d_buf + offset; + if (*abbrevp == '\0') /* We are past the last entry. */ return DWARF_END_ABBREV; |