add sscanf adapation code for musl

Signed-off-by: zhongtao <zhongtao17@huawei.com>
(cherry picked from commit 85dd10f091ce9e3c5e538eeeccfd4708f0ba12bc)

0055-add-sscanf-adapation-code-for-musl.patch

@@ -0,0 +1,31 @@
+From 04399ce74d89f7260474e915a978d31d62367889 Mon Sep 17 00:00:00 2001
+From: zhongtao <zhongtao17@huawei.com>
+Date: Wed, 4 Jan 2023 13:17:34 +0800
+Subject: [PATCH] add sscanf adapation code for musl
+
+Signed-off-by: zhongtao <zhongtao17@huawei.com>
+---
+ src/lxc/utils.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/lxc/utils.c b/src/lxc/utils.c
+index ed66935..3838f69 100644
+--- a/src/lxc/utils.c
++++ b/src/lxc/utils.c
+@@ -2134,7 +2134,13 @@ static proc_t *lxc_stat2proc(const char *S)
+     (void)memset(P, 0x00, sizeof(proc_t));
+ 
+     /* parse these two strings separately, skipping the leading "(". */
++	/* https://www.openwall.com/lists/musl/2013/11/15/5: musl's sscanf("%15c",cmd) 
++	   requires exactly 15 characters; anything shorter is a matching failure. */
++#ifdef __MUSL__
++    num = sscanf(S, "%d (%15s", &P->pid, P->cmd);   /* comm[16] in kernel */
++#else
+     num = sscanf(S, "%d (%15c", &P->pid, P->cmd);   /* comm[16] in kernel */
++#endif
+     if (num != 2) {
+         ERROR("Call sscanf error: %s", errno ? strerror(errno) : "");
+         free(P);
+-- 
+2.25.1
+

lxc.spec

@@ -1,4 +1,4 @@
-%global _release 2022102406
+%global _release 2022102407
 
 Name:           lxc
 Version:        4.0.3
@@ -62,6 +62,7 @@ Patch0051:	0051-add-macro-to-adapt-musl-libc.patch
 Patch0052:	0052-add-lxc-attach-add-gids-option.patch
 Patch0053:	0053-change-the-suffi-parameter-in-lxc-attach-help-output.patch
 Patch0054:	0054-rollback-strprint-code-modified.patch
+Patch0055:	0055-add-sscanf-adapation-code-for-musl.patch
 
 BuildRequires:  systemd-units git libtool graphviz docbook2X doxygen chrpath
 BuildRequires:  pkgconfig(libseccomp)
@@ -242,6 +243,12 @@ make check
 %endif
 
 %changelog
+* Wed Jan 04 2023 zhongtao<zhongtao17@huawei.com> - 4.0.3-2022102407
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC: add sscanf adapation code for musl
+
 * Mon Dec 26 2022 zhangxiaoyu<zhangxiaoyu58@huawei.com> - 4.0.3-2022102406
 - Type:bugfix
 - ID:NA

series.conf

@@ -50,4 +50,6 @@
 0050-lxc-Add-sw64-architecture.patch
 0051-add-macro-to-adapt-musl-libc.patch
 0052-add-lxc-attach-add-gids-option.patch
-0053-change-the-suffi-parameter-in-lxc-attach-help-output.patch
+0053-change-the-suffi-parameter-in-lxc-attach-help-output.patch
+0054-rollback-strprint-code-modified.patch
+0055-add-sscanf-adapation-code-for-musl.patch