gnu: binutils: Fix file decriptor leak.

* gnu/packages/patches/binutils-2.37-file-descriptor-leak.patch: New file.
* gnu/packages/local.mk (dist_patch_DATA): Add it.
* gnu/packages/base.scm (binutils)[source]: Use it.

1 files changed, 231 insertions, 0 deletions

diff --git a/gnu/packages/patches/binutils-2.37-file-descriptor-leak.patch b/gnu/packages/patches/binutils-2.37-file-descriptor-leak.patch
new file mode 100644
index 0000000000..1fd3d3d9b7
--- /dev/null
+++ b/gnu/packages/patches/binutils-2.37-file-descriptor-leak.patch
@@ -0,0 +1,231 @@
+From 1c611b40e6bfc8029bff7696814330b5bc0ee5c0 Mon Sep 17 00:00:00 2001
+From: "H.J. Lu" <hjl.tools@gmail.com>
+Date: Mon, 26 Jul 2021 05:59:55 -0700
+Subject: [PATCH] bfd: Close the file descriptor if there is no archive fd
+
+Close the file descriptor if there is no archive plugin file descriptor
+to avoid running out of file descriptors on thin archives with many
+archive members.
+
+bfd/
+
+	PR ld/28138
+	* plugin.c (bfd_plugin_close_file_descriptor): Close the file
+	descriptor there is no archive plugin file descriptor.
+
+ld/
+
+	PR ld/28138
+	* testsuite/ld-plugin/lto.exp: Run tmpdir/pr28138 only for
+	native build.
+
+	PR ld/28138
+	* testsuite/ld-plugin/lto.exp: Run ld/28138 tests.
+	* testsuite/ld-plugin/pr28138.c: New file.
+	* testsuite/ld-plugin/pr28138-1.c: Likewise.
+	* testsuite/ld-plugin/pr28138-2.c: Likewise.
+	* testsuite/ld-plugin/pr28138-3.c: Likewise.
+	* testsuite/ld-plugin/pr28138-4.c: Likewise.
+	* testsuite/ld-plugin/pr28138-5.c: Likewise.
+	* testsuite/ld-plugin/pr28138-6.c: Likewise.
+	* testsuite/ld-plugin/pr28138-7.c: Likewise.
+
+(cherry picked from commit 5a98fb7513b559e20dfebdbaa2a471afda3b4742)
+(cherry picked from commit 7dc37e1e1209c80e0bab784df6b6bac335e836f2)
+---
+ bfd/plugin.c                       |  8 +++++++
+ ld/testsuite/ld-plugin/lto.exp     | 34 ++++++++++++++++++++++++++++++
+ ld/testsuite/ld-plugin/pr28138-1.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138-2.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138-3.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138-4.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138-5.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138-6.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138-7.c |  6 ++++++
+ ld/testsuite/ld-plugin/pr28138.c   | 20 ++++++++++++++++++
+ 10 files changed, 104 insertions(+)
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-1.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-2.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-3.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-4.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-5.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-6.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138-7.c
+ create mode 100644 ld/testsuite/ld-plugin/pr28138.c
+
+diff --git a/bfd/plugin.c b/bfd/plugin.c
+index 6cfa2b66470..3bab8febe88 100644
+--- a/bfd/plugin.c
++++ b/bfd/plugin.c
+@@ -291,6 +291,14 @@ bfd_plugin_close_file_descriptor (bfd *abfd, int fd)
+ 	     && !bfd_is_thin_archive (abfd->my_archive))
+ 	abfd = abfd->my_archive;
+ 
++      /* Close the file descriptor if there is no archive plugin file
++	 descriptor.  */
++      if (abfd->archive_plugin_fd == -1)
++	{
++	  close (fd);
++	  return;
++	}
++
+       abfd->archive_plugin_fd_open_count--;
+       /* Dup the archive plugin file descriptor for later use, which
+ 	 will be closed by _bfd_archive_close_and_cleanup.  */
+diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp
+index def69e43ab3..999d911ce6a 100644
+--- a/ld/testsuite/ld-plugin/lto.exp
++++ b/ld/testsuite/ld-plugin/lto.exp
+@@ -687,6 +687,40 @@ if { [is_elf_format] && [check_lto_shared_available] } {
+     }
+ }
+ 
++run_cc_link_tests [list \
++    [list \
++	"Build pr28138.a" \
++	"-T" "" \
++	{pr28138-1.c pr28138-2.c pr28138-3.c pr28138-4.c pr28138-5.c \
++	 pr28138-6.c pr28138-7.c} {} "pr28138.a" \
++    ] \
++    [list \
++	"Build pr28138.o" \
++	"" "" \
++	{pr28138.c} {} \
++    ] \
++]
++
++set exec_output [run_host_cmd "sh" \
++			      "-c \"ulimit -n 20; \
++			      $CC -Btmpdir/ld -o tmpdir/pr28138 \
++			      tmpdir/pr28138.o tmpdir/pr28138.a\""]
++set exec_output [prune_warnings $exec_output]
++if [string match "" $exec_output] then {
++    if { [isnative] } {
++	set exec_output [run_host_cmd "tmpdir/pr28138" ""]
++	if [string match "PASS" $exec_output] then {
++	    pass "PR ld/28138"
++	} else {
++	    fail "PR ld/28138"
++	}
++    } else {
++	pass "PR ld/28138"
++    }
++} else {
++    fail "PR ld/28138"
++}
++
+ set testname "Build liblto-11.a"
+ remote_file host delete "tmpdir/liblto-11.a"
+ set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"]
+diff --git a/ld/testsuite/ld-plugin/pr28138-1.c b/ld/testsuite/ld-plugin/pr28138-1.c
+new file mode 100644
+index 00000000000..51d119e1642
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-1.c
+@@ -0,0 +1,6 @@
++extern int a0(void);
++int
++a1(void)
++{
++  return 1 + a0();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138-2.c b/ld/testsuite/ld-plugin/pr28138-2.c
+new file mode 100644
+index 00000000000..1120cd797e9
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-2.c
+@@ -0,0 +1,6 @@
++extern int a1(void);
++int
++a2(void)
++{
++  return 1 + a1();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138-3.c b/ld/testsuite/ld-plugin/pr28138-3.c
+new file mode 100644
+index 00000000000..ec464947ee6
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-3.c
+@@ -0,0 +1,6 @@
++extern int a2(void);
++int
++a3(void)
++{
++  return 1 + a2();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138-4.c b/ld/testsuite/ld-plugin/pr28138-4.c
+new file mode 100644
+index 00000000000..475701b2c5c
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-4.c
+@@ -0,0 +1,6 @@
++extern int a3(void);
++int
++a4(void)
++{
++  return 1 + a3();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138-5.c b/ld/testsuite/ld-plugin/pr28138-5.c
+new file mode 100644
+index 00000000000..e24f86c363e
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-5.c
+@@ -0,0 +1,6 @@
++extern int a4(void);
++int
++a5(void)
++{
++  return 1 + a4();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138-6.c b/ld/testsuite/ld-plugin/pr28138-6.c
+new file mode 100644
+index 00000000000..b5b938bdb21
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-6.c
+@@ -0,0 +1,6 @@
++extern int a5(void);
++int
++a6(void)
++{
++  return 1 + a5();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138-7.c b/ld/testsuite/ld-plugin/pr28138-7.c
+new file mode 100644
+index 00000000000..4ef75bf0f0c
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138-7.c
+@@ -0,0 +1,6 @@
++extern int a6(void);
++int
++a7(void)
++{
++  return 1 + a6();
++}
+diff --git a/ld/testsuite/ld-plugin/pr28138.c b/ld/testsuite/ld-plugin/pr28138.c
+new file mode 100644
+index 00000000000..68252c9f382
+--- /dev/null
++++ b/ld/testsuite/ld-plugin/pr28138.c
+@@ -0,0 +1,20 @@
++#include <stdio.h>
++
++extern int a7(void);
++
++int
++a0(void)
++{
++  return 0;
++}
++
++int
++main()
++{
++  if (a7() == 7)
++    {
++      printf ("PASS\n");
++      return 0;
++    }
++  return 1;
++}
+-- 
+2.27.0