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eglibc-2.14: add patch to fix libdl crash 

* Without this patch programs using alsa-lib crash (alsamixer for example).
* This patch is taken verbatim from ArchLinux.

(From OE-Core rev: 2d2ac8bbbbb98080ad339113c3f27f9573374be2)

Signed-off-by: Klaus Kurzmann <mok@fluxnetz.de>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Klaus Kurzmann 2011-10-12 09:03:21 +02:00 committed by Richard Purdie
parent f617af4ea3
commit 88f81c7ffe
2 changed files with 134 additions and 2 deletions
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131
meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch Normal file
View File

@ -0,0 +1,131 @@
Without this patch programs using alsa-lib crash (alsamixer for example).
Removed Copyright reverts
Upstream-Status: Pending
http://sourceware.org/git/?p=glibc.git;a=commitdiff;h=675155e9
http://sourceware.org/ml/libc-alpha/2011-06/msg00006.html
many distributions are using this already
http://chakra-project.org/ccr/packages/glibc/glibc/PKGBUILD
http://mailman.archlinux.org/pipermail/arch-commits/2011-June/137142.html
http://svn.mandriva.com/cgi-bin/viewvc.cgi/packages/cooker/glibc/current/SOURCES/glibc-2.14-libdl-crash.patch?view=markup&pathrev=691343
http://repos.archlinuxppc.org/wsvn/filedetails.php?repname=packages&path=%2Fglibc%2Ftrunk%2Fglibc-2.14-libdl-crash.patch
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 73b2a2f..9bd91e3 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -119,17 +119,8 @@ _dl_close_worker (struct link_map *map)
if (map->l_direct_opencount > 0 || map->l_type != lt_loaded
|| dl_close_state != not_pending)
{
- if (map->l_direct_opencount == 0)
- {
- if (map->l_type == lt_loaded)
- dl_close_state = rerun;
- else if (map->l_type == lt_library)
- {
- struct link_map **oldp = map->l_initfini;
- map->l_initfini = map->l_orig_initfini;
- _dl_scope_free (oldp);
- }
- }
+ if (map->l_direct_opencount == 0 && map->l_type == lt_loaded)
+ dl_close_state = rerun;
/* There are still references to this object. Do nothing more. */
if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_FILES, 0))
diff --git a/elf/dl-deps.c b/elf/dl-deps.c
index 9e30594..3890d00 100644
--- a/elf/dl-deps.c
+++ b/elf/dl-deps.c
@@ -478,6 +478,7 @@ _dl_map_object_deps (struct link_map *map,
nneeded * sizeof needed[0]);
atomic_write_barrier ();
l->l_initfini = l_initfini;
+ l->l_free_initfini = 1;
}
/* If we have no auxiliary objects just go on to the next map. */
@@ -681,6 +682,7 @@ Filters not supported with LD_TRACE_PRELINKING"));
l_initfini[nlist] = NULL;
atomic_write_barrier ();
map->l_initfini = l_initfini;
+ map->l_free_initfini = 1;
if (l_reldeps != NULL)
{
atomic_write_barrier ();
@@ -689,5 +691,5 @@ Filters not supported with LD_TRACE_PRELINKING"));
_dl_scope_free (old_l_reldeps);
}
if (old_l_initfini != NULL)
- map->l_orig_initfini = old_l_initfini;
+ _dl_scope_free (old_l_initfini);
}
diff --git a/elf/dl-libc.c b/elf/dl-libc.c
index 7be9483..a13fce3 100644
--- a/elf/dl-libc.c
+++ b/elf/dl-libc.c
@@ -265,13 +265,13 @@ libc_freeres_fn (free_mem)
for (Lmid_t ns = 0; ns < GL(dl_nns); ++ns)
{
- /* Remove all additional names added to the objects. */
for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
{
struct libname_list *lnp = l->l_libname->next;
l->l_libname->next = NULL;
+ /* Remove all additional names added to the objects. */
while (lnp != NULL)
{
struct libname_list *old = lnp;
@@ -279,6 +279,10 @@ libc_freeres_fn (free_mem)
if (! old->dont_free)
free (old);
}
+
+ /* Free the initfini dependency list. */
+ if (l->l_free_initfini)
+ free (l->l_initfini);
}
if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
diff --git a/elf/rtld.c b/elf/rtld.c
index 4a9109e..617e30e 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -2251,6 +2251,7 @@ ERROR: ld.so: object '%s' cannot be loaded as audit interface: %s; ignored.\n",
lnp->dont_free = 1;
lnp = lnp->next;
}
+ l->l_free_initfini = 0;
if (l != &GL(dl_rtld_map))
_dl_relocate_object (l, l->l_scope, GLRO(dl_lazy) ? RTLD_LAZY : 0,
diff --git a/include/link.h b/include/link.h
index e877104..051b99a 100644
--- a/include/link.h
+++ b/include/link.h
@@ -192,6 +192,9 @@ struct link_map
during LD_TRACE_PRELINKING=1
contains any DT_SYMBOLIC
libraries. */
+ unsigned int l_free_initfini:1; /* Nonzero if l_initfini can be
+ freed, ie. not allocated with
+ the dummy malloc in ld.so. */
/* Collected information about own RPATH directories. */
struct r_search_path_struct l_rpath_dirs;
@@ -240,9 +243,6 @@ struct link_map
/* List of object in order of the init and fini calls. */
struct link_map **l_initfini;
- /* The init and fini list generated at startup, saved when the
- object is also loaded dynamically. */
- struct link_map **l_orig_initfini;
/* List of the dependencies introduced through symbol binding. */
struct link_map_reldeps

5
meta/recipes-core/eglibc/eglibc_2.14.bb
View File

@ -3,7 +3,7 @@ require eglibc.inc
SRCREV = "15225"
DEPENDS += "gperf-native"
PR = "r0"
PR = "r1"
PR_append = "+svnr${SRCPV}"
EGLIBC_BRANCH="eglibc-2_14"
@ -19,7 +19,8 @@ SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${EGLIBC_BRANCH};proto=http
file://ppc-sqrt.patch \
file://multilib_readlib.patch \
file://eglibc-rpc-export-again.patch \
"
file://glibc-2.14-libdl-crash.patch \
"
LIC_FILES_CHKSUM = "file://LICENSES;md5=98a1128c4b58120182cbea3b1752d8b9 \
file://COPYING;md5=393a5ca445f6965873eca0259a17f833 \
file://posix/rxspencer/COPYRIGHT;md5=dc5485bb394a13b2332ec1c785f5d83a \