diff options
Diffstat (limited to 'libelf/elf32_newphdr.c')
| -rw-r--r-- | libelf/elf32_newphdr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libelf/elf32_newphdr.c b/libelf/elf32_newphdr.c index 1db20806..01038e73 100644 --- a/libelf/elf32_newphdr.c +++ b/libelf/elf32_newphdr.c @@ -1,5 +1,5 @@ /* Create new ELF program header table. - Copyright (C) 1999-2010 Red Hat, Inc. + Copyright (C) 1999-2010, 2014 Red Hat, Inc. This file is part of elfutils. Written by Ulrich Drepper <drepper@redhat.com>, 1998. @@ -114,6 +114,12 @@ elfw2(LIBELFBITS,newphdr) (elf, count) || count == PN_XNUM || elf->state.ELFW(elf,LIBELFBITS).phdr == NULL) { + if (unlikely (count > SIZE_MAX / sizeof (ElfW2(LIBELFBITS,Phdr)))) + { + result = NULL; + goto out; + } + /* Allocate a new program header with the appropriate number of elements. */ result = (ElfW2(LIBELFBITS,Phdr) *) |