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Date: Sat, 06 Mar 2010 09:43:42 -0800
From: walt <w41ter@gmail.com>
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To: Al Viro <viro@zeniv.linux.org.uk>
CC: linux-kernel@vger.kernel.org
Subject: "Switch !O_CREAT case to use of do_last()" causes segfault in glibc
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Hi Al,
commit 1f36f774b22a0ceb7dd33eca626746c81a97b6a5
Author: Al Viro <viro@zeniv.linux.org.uk>
Date:   Sat Dec 26 10:56:19 2009 -0500

     Switch !O_CREAT case to use of do_last()

     ... and now we have all intents crap well localized

This commit is triggering a segfault when I try to open a spreadsheet in
openoffice:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6d13129 in __readdir (dirp=0x0) at ../sysdeps/unix/readdir.c:45
45      ../sysdeps/unix/readdir.c: No such file or directory.
         in ../sysdeps/unix/readdir.c
(gdb) bt
#0  0x00007ffff6d13129 in __readdir (dirp=0x0) at ../sysdeps/unix/readdir.c:45
#1  0x00007ffff1dc58b0 in ?? () from /usr/lib/libicuuc.so.42
#2  0x00007ffff1dc591d in ?? () from /usr/lib/libicuuc.so.42
#3  0x00007ffff1dc5d7e in uprv_tzname_4_2 () from /usr/lib/libicuuc.so.42
#4  0x00007fffd7f73601 in icu_4_2::TimeZone::initDefault() () from /usr/lib/libicui18n.so.42
#5  0x00007fffd7f738c5 in icu_4_2::TimeZone::createDefault() () from /usr/lib/libicui18n.so.42
#6  0x00007fffd7f6e5c9 in icu_4_2::Calendar::createInstance(icu_4_2::Locale const&, UErrorCode&) ()
    from /usr/lib/libicui18n.so.42


Here is readdir.c:445 (from glibc-2.11):

#ifndef NOT_IN_libc
   __libc_lock_lock (dirp->lock);
#endif

Thanks.