diff options
| author | Mark Wielaard <mjw@redhat.com> | 2012-07-18 13:14:30 +0200 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2012-07-24 11:41:01 +0200 |
| commit | 030f626f41b5d1d563c357743cfec492d4fa69a5 (patch) | |
| tree | d8454ca3cf576a8bc824957e1642ce73c4709a57 /libelf/elf32_getshdr.c | |
| parent | adcd1dd5729fdee3e85253b541767cc28809e4d9 (diff) | |
| download | elfutils-030f626f41b5d1d563c357743cfec492d4fa69a5.tar.gz | |
elf_getshdr should work for elf->flags & ELF_F_MALLOCED.
Reported-by: Nick Alcock <nix@esperi.org.uk>
Signed-off-by: Mark Wielaard <mjw@redhat.com>
Diffstat (limited to 'libelf/elf32_getshdr.c')
| -rw-r--r-- | libelf/elf32_getshdr.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libelf/elf32_getshdr.c b/libelf/elf32_getshdr.c index f0319cbb..bd9340dd 100644 --- a/libelf/elf32_getshdr.c +++ b/libelf/elf32_getshdr.c @@ -1,5 +1,5 @@ /* Return section header. - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2005, 2007, 2009 Red Hat, Inc. + Copyright (C) 1998-2002, 2005, 2007, 2009, 2012 Red Hat, Inc. This file is part of elfutils. Written by Ulrich Drepper <drepper@redhat.com>, 1998. @@ -80,11 +80,14 @@ load_shdr_wrlock (Elf_Scn *scn) ElfW2(LIBELFBITS,Shdr) *notcvt; /* All the data is already mapped. If we could use it - directly this would already have happened. */ + directly this would already have happened. Unless + we allocated the memory ourselves and the ELF_F_MALLOCED + flag is set. */ void *file_shdr = ((char *) elf->map_address + elf->start_offset + ehdr->e_shoff); - assert (ehdr->e_ident[EI_DATA] != MY_ELFDATA + assert ((elf->flags & ELF_F_MALLOCED) + || ehdr->e_ident[EI_DATA] != MY_ELFDATA || (! ALLOW_UNALIGNED && ((uintptr_t) file_shdr & (__alignof__ (ElfW2(LIBELFBITS,Shdr)) - 1)) != 0)); @@ -92,7 +95,7 @@ load_shdr_wrlock (Elf_Scn *scn) /* Now copy the data and at the same time convert the byte order. */ if (ehdr->e_ident[EI_DATA] == MY_ELFDATA) { - assert (! ALLOW_UNALIGNED); + assert ((elf->flags & ELF_F_MALLOCED) || ! ALLOW_UNALIGNED); memcpy (shdr, file_shdr, size); } else |