fix rpm is blocked when open fifo file

rpm-fix-rpm-is-blocked-when-open-fifo-file.patch

@@ -0,0 +1,32 @@
+From 988df03f8a293f7aa1d6bb872b981c5dfc6493d9 Mon Sep 17 00:00:00 2001
+From: xujing <xujing125@huawei.com>
+Date: Tue, 8 Nov 2022 10:36:36 +0800
+Subject: [PATCH] rpm: fix rpm is blocked when open fifo file
+
+---
+ lib/fsm.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/lib/fsm.c b/lib/fsm.c
+index c9ab3e1..c1c86b0 100644
+--- a/lib/fsm.c
++++ b/lib/fsm.c
+@@ -1137,8 +1137,13 @@ int rpmPackageFilesInstall(rpmts ts, rpmte te, rpmfiles files,
+ 
+ 	    if (!rc && fd == -1 && !S_ISLNK(fp->sb.st_mode)) {
+ 		/* Only follow safe symlinks, and never on temporary files */
+-		fd = fsmOpenat(di.dirfd, fp->fpath,
+-				fp->suffix ? AT_SYMLINK_NOFOLLOW : 0);
++		int flags = fp->suffix ? AT_SYMLINK_NOFOLLOW : 0;
++
++		/* Open the FIFO file in O_RDWR mode to prevent process blocking */
++		if (S_ISFIFO(fp->sb.st_mode))
++		    flags |= O_RDWR;
++
++		fd = fsmOpenat(di.dirfd, fp->fpath, flags);
+ 		if (fd < 0)
+ 		    rc = RPMERR_OPEN_FAILED;
+ 	    }
+-- 
+2.27.0
+

rpm.spec

@@ -1,6 +1,6 @@
 Name:          rpm
 Version:       4.17.0
-Release:       15
+Release:       16
 Summary:       RPM Package Manager
 License:       GPLv2+
 URL:           http://www.rpm.org/
@@ -84,6 +84,8 @@ Patch6048: backport-Fix-rpm-lua-rpm_vercmp-error-message-if-second-argum.patch
 Patch6049: backport-Make-pgpPubkeyFingerprint-do-something-meaningful-ag.patch
 Patch6050: backport-Fix-possible-descriptor-leak-in-fsmOpenat.patch
 
+Patch9000: rpm-fix-rpm-is-blocked-when-open-fifo-file.patch
+
 BuildRequires: gcc autoconf automake libtool make gawk popt-devel openssl-devel readline-devel
 BuildRequires: zlib-devel zstd-devel >= 1.3.8 xz-devel bzip2-devel libarchive-devel ima-evm-utils-devel
 BuildRequires: dbus-devel fakechroot elfutils-devel elfutils-libelf-devel ima-evm-utils
@@ -361,6 +363,9 @@ make check || (cat tests/rpmtests.log; exit 0)
 %exclude %{_mandir}/man8/rpmspec.8.gz
 
 %changelog
+* Wed Nov 16 2022 xujing<xujing125@huawei.com> - 4.17.0-16
+- rpm: fix rpm is blocked when open fifo file
+
 * Tue Nov 15 2022 yuelg<yuelg@chinaunicom.cn> - 4.17.0-15
 - Move rpm-build's help to rpm binary package