From: Julian Seward <jseward@acm.org>
Date: Wed, 6 Oct 2010 11:38:01 +0000 (+0000)
Subject: When opening an mmaped file to see if it's an ELF file that we should
X-Git-Tag: svn/VALGRIND_3_6_0~60
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c72198e0613b777143542b23a8fe3067d5bf56de;p=thirdparty%2Fvalgrind.git

When opening an mmaped file to see if it's an ELF file that we should
read debuginfo from, use VKI_O_LARGEFILE, so as to ensure the open
succeeds for large files on 32-bit systems.  Fixes #234064.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11397
---

diff --git a/coregrind/m_debuginfo/debuginfo.c b/coregrind/m_debuginfo/debuginfo.c
index 6133fea1fd..28530e245f 100644
--- a/coregrind/m_debuginfo/debuginfo.c
+++ b/coregrind/m_debuginfo/debuginfo.c
@@ -727,7 +727,7 @@ ULong VG_(di_notify_mmap)( Addr a, Bool allow_SkFileV )
    /* Peer at the first few bytes of the file, to see if it is an ELF */
    /* object file. Ignore the file if we do not have read permission. */
    VG_(memset)(buf1k, 0, sizeof(buf1k));
-   fd = VG_(open)( filename, VKI_O_RDONLY, 0 );
+   fd = VG_(open)( filename, VKI_O_RDONLY|VKI_O_LARGEFILE, 0 );
    if (sr_isError(fd)) {
       if (sr_Err(fd) != VKI_EACCES) {
          DebugInfo fake_di;