libdb/add-check-for-device-number-in-__check_lock_fn.patch

56 lines
1.7 KiB
Diff

From ad2bb7182132f6d15c207a8c0d37d24e241eb468 Mon Sep 17 00:00:00 2001
From: hanxinke <hanxinke@huawei.com>
Date: Fri, 11 Feb 2022 11:08:18 +0800
Subject: [PATCH] add check for device number in __check_lock_fn
When a file with the same inode as the inode of /var/lib/rpm/.rpm.lock
exists on another partition, package updates will also execute correctly
because of check for device.
---
src/os/os_flock.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/os/os_flock.c b/src/os/os_flock.c
index 03aa3df..482dffa 100644
--- a/src/os/os_flock.c
+++ b/src/os/os_flock.c
@@ -10,6 +10,8 @@
#include "db_int.h"
+#include <linux/kdev_t.h>
+
#if !defined(HAVE_FCNTL) || !defined(HAVE_FLOCK)
static int __os_filelocking_notsup __P((ENV *));
#endif
@@ -34,6 +36,7 @@ int __check_lock_fn(fn, pid)
int i, inode;
struct stat st;
pid_t lpid = 0;
+ int f_major, f_minor, l_major, l_minor;
if (!fn)
return -1;
@@ -59,10 +62,16 @@ int __check_lock_fn(fn, pid)
/* Check the inode */
else if (i == 5) {
inode = 0;
- sscanf(token, "%*02x:%*02x:%d", &inode);
+ sscanf(token, "%02x:%02x:%d", &l_major, &l_minor, &inode);
/* Not the inode we are looking for */
if (inode != st.st_ino)
continue;
+
+ f_major = MAJOR(st.st_dev);
+ f_minor = MINOR(st.st_dev);
+ if ((f_major != l_major) || (f_minor != l_minor))
+ continue;
+
/*
* We have the correct file.
* We are either looking for a specific process or we do not care at all.
--
2.23.0