[thud][PATCH 1/9] glibc: Security fix CVE-2019-9169

[Armin Kuster <akuster808@gmail.com>]

From: Armin Kuster <akuster@mvista.com>

Signed-off-by: Armin Kuster <akuster@mvista.com>
---
 meta/recipes-core/glibc/glibc/CVE-2019-9169.patch | 63 +++++++++++++++++++++++
 meta/recipes-core/glibc/glibc_2.28.bb             |  1 +
 2 files changed, 64 insertions(+)
 create mode 100644 meta/recipes-core/glibc/glibc/CVE-2019-9169.patch

diff --git a/meta/recipes-core/glibc/glibc/CVE-2019-9169.patch b/meta/recipes-core/glibc/glibc/CVE-2019-9169.patch
new file mode 100644
index 0000000..14cfaa3
--- /dev/null
+++ b/meta/recipes-core/glibc/glibc/CVE-2019-9169.patch
@@ -0,0 +1,63 @@
+From 583dd860d5b833037175247230a328f0050dbfe9 Mon Sep 17 00:00:00 2001
+From: Paul Eggert <eggert@cs.ucla.edu>
+Date: Mon, 21 Jan 2019 11:08:13 -0800
+Subject: [PATCH] regex: fix read overrun [BZ #24114]
+
+Problem found by AddressSanitizer, reported by Hongxu Chen in:
+https://debbugs.gnu.org/34140
+* posix/regexec.c (proceed_next_node):
+Do not read past end of input buffer.
+
+Upstream-Status: Backport 
+https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=583dd860d5b833037175247230a328f0050dbfe9
+
+CVE: CVE-2019-9169
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ ChangeLog       | 10 +++++++++-
+ posix/regexec.c |  6 ++++--
+ 2 files changed, 13 insertions(+), 3 deletions(-)
+
+Index: git/ChangeLog
+===================================================================
+--- git.orig/ChangeLog
++++ git/ChangeLog
+@@ -1,3 +1,11 @@
++2019-01-31  Paul Eggert  <eggert@cs.ucla.edu>
++
++       regex: fix read overrun [BZ #24114]
++       Problem found by AddressSanitizer, reported by Hongxu Chen in:
++       https://debbugs.gnu.org/34140
++       * posix/regexec.c (proceed_next_node):
++       Do not read past end of input buffer.
++
+ 2018-09-30  Martin Jansa  <Martin.Jansa@gmail.com>
+ 	Partial fix for [BZ #23716]
+ 	* locale/weight.h: Fix build with -Os.
+@@ -10917,7 +10925,7 @@
+ 	(CFLAGS-wcstof_l.c): Likewise.
+ 	(CPPFLAGS-tst-wchar-h.c): Likewise.
+ 	(CPPFLAGS-wcstold_l.c): Likewise.
+----
++
+ 2017-12-11  Paul A. Clarke  <pc@us.ibm.com>
+ 
+ 	* sysdeps/ieee754/flt-32/s_cosf.c: New implementation.
+Index: git/posix/regexec.c
+===================================================================
+--- git.orig/posix/regexec.c
++++ git/posix/regexec.c
+@@ -1289,8 +1289,10 @@ proceed_next_node (const re_match_contex
+ 	      else if (naccepted)
+ 		{
+ 		  char *buf = (char *) re_string_get_buffer (&mctx->input);
+-		  if (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx,
+-			      naccepted) != 0)
++		  if (mctx->input.valid_len - *pidx < naccepted
++		      || (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx,
++				  naccepted)
++			  != 0))
+ 		    return -1;
+ 		}
+ 	    }
diff --git a/meta/recipes-core/glibc/glibc_2.28.bb b/meta/recipes-core/glibc/glibc_2.28.bb
index 72cee04..1bcec3e 100644
--- a/meta/recipes-core/glibc/glibc_2.28.bb
+++ b/meta/recipes-core/glibc/glibc_2.28.bb
@@ -47,6 +47,7 @@ SRC_URI = "${GLIBC_GIT_URI};branch=${SRCBRANCH};name=glibc \
            file://0032-sysdeps-ieee754-soft-fp-ignore-maybe-uninitialized-w.patch \
            file://0033-locale-prevent-maybe-uninitialized-errors-with-Os-BZ.patch \
            file://0034-inject-file-assembly-directives.patch \
+           file://CVE-2019-9169.patch \
 "
 
 NATIVESDKFIXES ?= ""
-- 
2.7.4