Eric Pouech : dbghelp: Properly bail out if get an error while reading ELF header.
Alexandre Julliard
julliard at winehq.org
Mon Mar 22 11:12:01 CDT 2010
Module: wine
Branch: master
Commit: 4c3361e39e636eec51c1651460d2b72c4a139007
URL: http://source.winehq.org/git/wine.git/?a=commit;h=4c3361e39e636eec51c1651460d2b72c4a139007
Author: Eric Pouech <eric.pouech at orange.fr>
Date: Sat Mar 20 09:48:13 2010 +0100
dbghelp: Properly bail out if get an error while reading ELF header.
---
dlls/dbghelp/elf_module.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/dlls/dbghelp/elf_module.c b/dlls/dbghelp/elf_module.c
index 573a040..e0fab9c 100644
--- a/dlls/dbghelp/elf_module.c
+++ b/dlls/dbghelp/elf_module.c
@@ -272,7 +272,12 @@ static BOOL elf_map_file(const WCHAR* filenameW, struct image_file_map* fmap)
lseek(fmap->u.elf.fd, fmap->u.elf.elfhdr.e_shoff, SEEK_SET);
for (i = 0; i < fmap->u.elf.elfhdr.e_shnum; i++)
{
- read(fmap->u.elf.fd, &fmap->u.elf.sect[i].shdr, sizeof(fmap->u.elf.sect[i].shdr));
+ if (read(fmap->u.elf.fd, &fmap->u.elf.sect[i].shdr, sizeof(fmap->u.elf.sect[i].shdr)) != sizeof(fmap->u.elf.sect[i].shdr))
+ {
+ HeapFree(GetProcessHeap, 0, fmap->u.elf.sect);
+ fmap->u.elf.sect = NULL;
+ goto done;
+ }
fmap->u.elf.sect[i].mapped = IMAGE_NO_MAP;
}
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