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| author | Alan Modra <amodra@gmail.com> | 2018-10-23 18:29:24 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2018-10-23 21:09:09 +1030 |
| commit | ab419ddbb2cdd17ca83618990f2cacf904ce1d61 (patch) | |
| tree | 22f6defa1dee801d2e582c4922d33a7a0dc017ca /bfd/merge.c | |
| parent | 8e3152af14a91df65af8e922a0e8e77c60ed99ba (diff) | |
| download | binutils-gdb-ab419ddbb2cdd17ca83618990f2cacf904ce1d61.tar.gz | |
PR23804, buffer overflow in sec_merge_hash_lookup
PR 23804
* merge.c (_bfd_add_merge_section): Don't attempt to merge
sections where size is not a multiple of entsize.
Diffstat (limited to 'bfd/merge.c')
| -rw-r--r-- | bfd/merge.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/bfd/merge.c b/bfd/merge.c index 79045529427..5e3bba09825 100644 --- a/bfd/merge.c +++ b/bfd/merge.c @@ -376,6 +376,9 @@ _bfd_add_merge_section (bfd *abfd, void **psinfo, asection *sec, || sec->entsize == 0) return TRUE; + if (sec->size % sec->entsize != 0) + return TRUE; + if ((sec->flags & SEC_RELOC) != 0) { /* We aren't prepared to handle relocations in merged sections. */ |