Patchwork eglibc-2.14: add patch to fix libdl crash

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Submitter mokml@mnet-online.de
Date Oct. 3, 2011, 9:30 a.m.
Message ID <1317634209-3154-1-git-send-email-mokml@mnet-online.de>
Download mbox | patch
Permalink /patch/12619/
State New, archived
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Comments

mokml@mnet-online.de - Oct. 3, 2011, 9:30 a.m.
From: Klaus Kurzmann <mok@fluxnetz.de>

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

Signed-off-by: Klaus Kurzmann <mok@fluxnetz.de>
---
 .../eglibc-2.14/glibc-2.14-libdl-crash.patch       |  132 ++++++++++++++++++++
 meta/recipes-core/eglibc/eglibc_2.14.bb            |    3 +-
 2 files changed, 134 insertions(+), 1 deletions(-)
 create mode 100644 meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
Khem Raj - Oct. 3, 2011, 7:47 p.m.
On 10/3/2011 2:30 AM, mokml@mnet-online.de wrote:
> From: Klaus Kurzmann<mok@fluxnetz.de>
>
> * Without this patch programs using alsa-lib crash (alsamixer for example).
> * This patch is taken verbatim from ArchLinux.
>

can you add appropriate header for this?
secondly this reverts the license year text
from 2011 to 2010 that should not be needed.

> Signed-off-by: Klaus Kurzmann<mok@fluxnetz.de>
> ---
>   .../eglibc-2.14/glibc-2.14-libdl-crash.patch       |  132 ++++++++++++++++++++
>   meta/recipes-core/eglibc/eglibc_2.14.bb            |    3 +-
>   2 files changed, 134 insertions(+), 1 deletions(-)
>   create mode 100644 meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>
> diff --git a/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
> new file mode 100644
> index 0000000..ee29f8c
> --- /dev/null
> +++ b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
> @@ -0,0 +1,132 @@
> +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
> +@@ -1,5 +1,5 @@
> + /* Close a shared object opened by `_dl_open'.
> +-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
> ++   Copyright (C) 1996-2007, 2009, 2010 Free Software Foundation, Inc.
> +    This file is part of the GNU C Library.
> +
> +    The GNU C Library is free software; you can redistribute it and/or
> +@@ -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
> +@@ -1,6 +1,6 @@
> + /* Data structure for communication from the run-time dynamic linker for
> +    loaded ELF shared objects.
> +-   Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
> ++   Copyright (C) 1995-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
> +    This file is part of the GNU C Library.
> +
> +    The GNU C Library is free software; you can redistribute it and/or
> +@@ -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
> diff --git a/meta/recipes-core/eglibc/eglibc_2.14.bb b/meta/recipes-core/eglibc/eglibc_2.14.bb
> index b2821db..4129947 100644
> --- a/meta/recipes-core/eglibc/eglibc_2.14.bb
> +++ b/meta/recipes-core/eglibc/eglibc_2.14.bb
> @@ -3,7 +3,7 @@ require eglibc.inc
>   SRCREV = "15225"
>
>   DEPENDS += "gperf-native"
> -PR = "r0"
> +PR = "r1"
>   PR_append = "+svnr${SRCPV}"
>
>   EGLIBC_BRANCH="eglibc-2_14"
> @@ -19,6 +19,7 @@ SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${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 \
mokml@mnet-online.de - Oct. 4, 2011, 8:05 p.m.
Hello,

On Mon, 03 Oct 2011, Khem Raj wrote:

> On 10/3/2011 2:30 AM, mokml@mnet-online.de wrote:
> >From: Klaus Kurzmann<mok@fluxnetz.de>
> >
> >* Without this patch programs using alsa-lib crash (alsamixer for example).
> >* This patch is taken verbatim from ArchLinux.
> >

> can you add appropriate header for this?

Sorry, still have to find my way into the new stuff :) Martin pointed
that out to me - after I sent the mail.

I tried googling to find out about the upstream status for more than an
hour - without success. And glibc commit messages seem to be not very
informative mostly ;)

> secondly this reverts the license year text
> from 2011 to 2010 that should not be needed.

yeah, I have seen that. I think that comes from the patch being a revert
(or partial revert) of some commit. If it is ok to change 'stolen'
patches I can remove that.

Klaus 'mrmoku' Kurzmann

> >Signed-off-by: Klaus Kurzmann<mok@fluxnetz.de>
> >---
> >  .../eglibc-2.14/glibc-2.14-libdl-crash.patch       |  132 ++++++++++++++++++++
> >  meta/recipes-core/eglibc/eglibc_2.14.bb            |    3 +-
> >  2 files changed, 134 insertions(+), 1 deletions(-)
> >  create mode 100644 meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
> >
> >diff --git a/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
> >new file mode 100644
> >index 0000000..ee29f8c
> >--- /dev/null
> >+++ b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
> >@@ -0,0 +1,132 @@
> >+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
> >+@@ -1,5 +1,5 @@
> >+ /* Close a shared object opened by `_dl_open'.
> >+-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
> >++   Copyright (C) 1996-2007, 2009, 2010 Free Software Foundation, Inc.
> >+    This file is part of the GNU C Library.
> >+
> >+    The GNU C Library is free software; you can redistribute it and/or
> >+@@ -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
> >+@@ -1,6 +1,6 @@
> >+ /* Data structure for communication from the run-time dynamic linker for
> >+    loaded ELF shared objects.
> >+-   Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
> >++   Copyright (C) 1995-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
> >+    This file is part of the GNU C Library.
> >+
> >+    The GNU C Library is free software; you can redistribute it and/or
> >+@@ -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
> >diff --git a/meta/recipes-core/eglibc/eglibc_2.14.bb b/meta/recipes-core/eglibc/eglibc_2.14.bb
> >index b2821db..4129947 100644
> >--- a/meta/recipes-core/eglibc/eglibc_2.14.bb
> >+++ b/meta/recipes-core/eglibc/eglibc_2.14.bb
> >@@ -3,7 +3,7 @@ require eglibc.inc
> >  SRCREV = "15225"
> >
> >  DEPENDS += "gperf-native"
> >-PR = "r0"
> >+PR = "r1"
> >  PR_append = "+svnr${SRCPV}"
> >
> >  EGLIBC_BRANCH="eglibc-2_14"
> >@@ -19,6 +19,7 @@ SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${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 \


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Khem Raj - Oct. 4, 2011, 8:17 p.m.
On Tue, Oct 4, 2011 at 1:05 PM, Klaus 'mrmoku' Kurzmann
<mokml@mnet-online.de> wrote:
> Hello,
>
> On Mon, 03 Oct 2011, Khem Raj wrote:
>
>> On 10/3/2011 2:30 AM, mokml@mnet-online.de wrote:
>> >From: Klaus Kurzmann<mok@fluxnetz.de>
>> >
>> >* Without this patch programs using alsa-lib crash (alsamixer for example).
>> >* This patch is taken verbatim from ArchLinux.
>> >
>
>> can you add appropriate header for this?
>
> Sorry, still have to find my way into the new stuff :) Martin pointed
> that out to me - after I sent the mail.
>
> I tried googling to find out about the upstream status for more than an
> hour - without success. And glibc commit messages seem to be not very
> informative mostly ;)
>

the patch is not applied upstream last time I looked quickly.

>> secondly this reverts the license year text
>> from 2011 to 2010 that should not be needed.
>
> yeah, I have seen that. I think that comes from the patch being a revert
> (or partial revert) of some commit. If it is ok to change 'stolen'
> patches I can remove that.\

yes licenses dont change because of a single revert there might be more
changes that were done in that time frame which should have used the
current year.

>
> Klaus 'mrmoku' Kurzmann
>
>> >Signed-off-by: Klaus Kurzmann<mok@fluxnetz.de>
>> >---
>> >  .../eglibc-2.14/glibc-2.14-libdl-crash.patch       |  132 ++++++++++++++++++++
>> >  meta/recipes-core/eglibc/eglibc_2.14.bb            |    3 +-
>> >  2 files changed, 134 insertions(+), 1 deletions(-)
>> >  create mode 100644 meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>> >
>> >diff --git a/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>> >new file mode 100644
>> >index 0000000..ee29f8c
>> >--- /dev/null
>> >+++ b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>> >@@ -0,0 +1,132 @@
>> >+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
>> >+@@ -1,5 +1,5 @@
>> >+ /* Close a shared object opened by `_dl_open'.
>> >+-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
>> >++   Copyright (C) 1996-2007, 2009, 2010 Free Software Foundation, Inc.
>> >+    This file is part of the GNU C Library.
>> >+
>> >+    The GNU C Library is free software; you can redistribute it and/or
>> >+@@ -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
>> >+@@ -1,6 +1,6 @@
>> >+ /* Data structure for communication from the run-time dynamic linker for
>> >+    loaded ELF shared objects.
>> >+-   Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
>> >++   Copyright (C) 1995-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
>> >+    This file is part of the GNU C Library.
>> >+
>> >+    The GNU C Library is free software; you can redistribute it and/or
>> >+@@ -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
>> >diff --git a/meta/recipes-core/eglibc/eglibc_2.14.bb b/meta/recipes-core/eglibc/eglibc_2.14.bb
>> >index b2821db..4129947 100644
>> >--- a/meta/recipes-core/eglibc/eglibc_2.14.bb
>> >+++ b/meta/recipes-core/eglibc/eglibc_2.14.bb
>> >@@ -3,7 +3,7 @@ require eglibc.inc
>> >  SRCREV = "15225"
>> >
>> >  DEPENDS += "gperf-native"
>> >-PR = "r0"
>> >+PR = "r1"
>> >  PR_append = "+svnr${SRCPV}"
>> >
>> >  EGLIBC_BRANCH="eglibc-2_14"
>> >@@ -19,6 +19,7 @@ SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${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 \
>
>
>> _______________________________________________
>> Openembedded-core mailing list
>> Openembedded-core@lists.openembedded.org
>> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
>
>
Saul Wold - Oct. 5, 2011, 4:57 a.m.
On 10/04/2011 01:17 PM, Khem Raj wrote:
> On Tue, Oct 4, 2011 at 1:05 PM, Klaus 'mrmoku' Kurzmann
> <mokml@mnet-online.de>  wrote:
>> Hello,
>>
>> On Mon, 03 Oct 2011, Khem Raj wrote:
>>
>>> On 10/3/2011 2:30 AM, mokml@mnet-online.de wrote:
>>>> From: Klaus Kurzmann<mok@fluxnetz.de>
>>>>
>>>> * Without this patch programs using alsa-lib crash (alsamixer for example).
>>>> * This patch is taken verbatim from ArchLinux.
>>>>
>>
>>> can you add appropriate header for this?
>>
>> Sorry, still have to find my way into the new stuff :) Martin pointed
>> that out to me - after I sent the mail.
>>
>> I tried googling to find out about the upstream status for more than an
>> hour - without success. And glibc commit messages seem to be not very
>> informative mostly ;)
>>
I think you should look at the following wiki page for the header and 
SOB info:

http://www.openembedded.org/wiki/Commit_Patch_Message_Guidelines

Sau!

>
> the patch is not applied upstream last time I looked quickly.
>
>>> secondly this reverts the license year text
>>> from 2011 to 2010 that should not be needed.
>>
>> yeah, I have seen that. I think that comes from the patch being a revert
>> (or partial revert) of some commit. If it is ok to change 'stolen'
>> patches I can remove that.\
>
> yes licenses dont change because of a single revert there might be more
> changes that were done in that time frame which should have used the
> current year.
>
>>
>> Klaus 'mrmoku' Kurzmann
>>
>>>> Signed-off-by: Klaus Kurzmann<mok@fluxnetz.de>
>>>> ---
>>>>   .../eglibc-2.14/glibc-2.14-libdl-crash.patch       |  132 ++++++++++++++++++++
>>>>   meta/recipes-core/eglibc/eglibc_2.14.bb            |    3 +-
>>>>   2 files changed, 134 insertions(+), 1 deletions(-)
>>>>   create mode 100644 meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>>>>
>>>> diff --git a/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>>>> new file mode 100644
>>>> index 0000000..ee29f8c
>>>> --- /dev/null
>>>> +++ b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
>>>> @@ -0,0 +1,132 @@
>>>> +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
>>>> +@@ -1,5 +1,5 @@
>>>> + /* Close a shared object opened by `_dl_open'.
>>>> +-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
>>>> ++   Copyright (C) 1996-2007, 2009, 2010 Free Software Foundation, Inc.
>>>> +    This file is part of the GNU C Library.
>>>> +
>>>> +    The GNU C Library is free software; you can redistribute it and/or
>>>> +@@ -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
>>>> +@@ -1,6 +1,6 @@
>>>> + /* Data structure for communication from the run-time dynamic linker for
>>>> +    loaded ELF shared objects.
>>>> +-   Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
>>>> ++   Copyright (C) 1995-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
>>>> +    This file is part of the GNU C Library.
>>>> +
>>>> +    The GNU C Library is free software; you can redistribute it and/or
>>>> +@@ -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
>>>> diff --git a/meta/recipes-core/eglibc/eglibc_2.14.bb b/meta/recipes-core/eglibc/eglibc_2.14.bb
>>>> index b2821db..4129947 100644
>>>> --- a/meta/recipes-core/eglibc/eglibc_2.14.bb
>>>> +++ b/meta/recipes-core/eglibc/eglibc_2.14.bb
>>>> @@ -3,7 +3,7 @@ require eglibc.inc
>>>>   SRCREV = "15225"
>>>>
>>>>   DEPENDS += "gperf-native"
>>>> -PR = "r0"
>>>> +PR = "r1"
>>>>   PR_append = "+svnr${SRCPV}"
>>>>
>>>>   EGLIBC_BRANCH="eglibc-2_14"
>>>> @@ -19,6 +19,7 @@ SRC_URI = "svn://www.eglibc.org/svn/branches/;module=${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 \
>>
>>
>>> _______________________________________________
>>> Openembedded-core mailing list
>>> Openembedded-core@lists.openembedded.org
>>> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
>>
>>
>
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core@lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core

Patch

diff --git a/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
new file mode 100644
index 0000000..ee29f8c
--- /dev/null
+++ b/meta/recipes-core/eglibc/eglibc-2.14/glibc-2.14-libdl-crash.patch
@@ -0,0 +1,132 @@ 
+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
+@@ -1,5 +1,5 @@
+ /* Close a shared object opened by `_dl_open'.
+-   Copyright (C) 1996-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1996-2007, 2009, 2010 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -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
+@@ -1,6 +1,6 @@
+ /* Data structure for communication from the run-time dynamic linker for
+    loaded ELF shared objects.
+-   Copyright (C) 1995-2006, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
++   Copyright (C) 1995-2006, 2007, 2009, 2010 Free Software Foundation, Inc.
+    This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -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
diff --git a/meta/recipes-core/eglibc/eglibc_2.14.bb b/meta/recipes-core/eglibc/eglibc_2.14.bb
index b2821db..4129947 100644
--- a/meta/recipes-core/eglibc/eglibc_2.14.bb
+++ b/meta/recipes-core/eglibc/eglibc_2.14.bb
@@ -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"
@@ -19,6 +19,7 @@  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 \