Fix data race of proc_file_chain in _IO_new_proc_open()

Signed-off-by: Su Lifan <su-lifan@linux.alibaba.com>

10001-glibc-fix-race-popen.patch

@@ -0,0 +1,25 @@
+This patch provides a workaround of data race inside _IO_new_proc_open()
+
+(upstream BZ#22834)
+
+Signed-off-by: Su Lifan <su-lifan@linux.alibaba.com>
+
+diff -aurN glibc-2.28.orig/libio/iopopen.c glibc-2.28/libio/iopopen.c
+--- glibc-2.28.orig/libio/iopopen.c	2018-08-01 05:10:47.000000000 +0000
++++ glibc-2.28/libio/iopopen.c	2022-04-08 11:33:15.487864923 +0000
+@@ -35,6 +35,7 @@
+ #include <sys/types.h>
+ #include <sys/wait.h>
+ #include <kernel-features.h>
++#include <atomic.h>
+ 
+ struct _IO_proc_file
+ {
+@@ -168,6 +169,7 @@
+   _IO_lock_lock (proc_file_chain_lock);
+ #endif
+   ((_IO_proc_file *) fp)->next = proc_file_chain;
++  atomic_write_barrier();
+   proc_file_chain = (_IO_proc_file *) fp;
+ #ifdef _IO_MTSAFE_IO
+   _IO_lock_unlock (proc_file_chain_lock);

glibc.spec

@@ -1,4 +1,4 @@
-%define anolis_release .0.1
+%define anolis_release .0.2
 %define glibcsrcdir glibc-2.28
 %define glibcversion 2.28
 %define glibcrelease 164%{anolis_release}%{?dist}.3
@@ -740,6 +740,8 @@ Patch1003: glibc-elf-Align-argument-of-__munmap-to-page-size-BZ-28676-3.patch
 Patch1004: glibc-Support-target-specific-ALIGN-for-variable-alignment-4.patch
 Patch1005: glibc-elf-Fix-tst-align3.patch
 
+Patch10001: 10001-glibc-fix-race-popen.patch
+
 ##############################################################################
 # Continued list of core "glibc" package information:
 ##############################################################################
@@ -2651,6 +2653,9 @@ fi
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Fri Apr 8 2022 Su Lifan <su-lifan@linux.alibaba.com> - 2.28-164.0.2.3
+- Fix data race of proc_file_chain in _IO_new_proc_open()
+
 * Mon Mar 21 2022 Rongwei Wang <rongwei.wang@linux.alibaba.com> - 2.28-164.0.1.3
 - elf: Properly align PT_LOAD segments