diff options
Diffstat (limited to 'binutils/readelf.c')
| -rw-r--r-- | binutils/readelf.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/binutils/readelf.c b/binutils/readelf.c index 351571c..8c6c038 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -6365,6 +6365,13 @@ get_32bit_section_headers (Filedata * filedata, bool probe) /* PR binutils/17531: Cope with unexpected section header sizes. */ if (size == 0 || num == 0) return false; + + /* The section header cannot be at the start of the file - that is + where the ELF file header is located. A file with absolutely no + sections in it will use a shoff of 0. */ + if (filedata->file_header.e_shoff == 0) + return false; + if (size < sizeof * shdrs) { if (! probe) @@ -6429,6 +6436,12 @@ get_64bit_section_headers (Filedata * filedata, bool probe) if (size == 0 || num == 0) return false; + /* The section header cannot be at the start of the file - that is + where the ELF file header is located. A file with absolutely no + sections in it will use a shoff of 0. */ + if (filedata->file_header.e_shoff == 0) + return false; + if (size < sizeof * shdrs) { if (! probe) |