File psmisc-22.7-memleaks.patch of Package psmisc

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File psmisc-22.7-memleaks.patch of Package psmisc (Revision e4d964bce7a968a462494b5cd70ad051)

Currently displaying revision e4d964bce7a968a462494b5cd70ad051 , Show latest

--- src/fuser.c
+++ src/fuser.c	2009-08-10 11:30:01.674401417 +0200
@@ -225,6 +225,9 @@ static void scan_procs(const opt_type op
 			if (islocatedon(&cwd_real[0],  ino_tmp->name->filename))
 				add_matched_proc(ino_tmp->name, pid, uid, ACCESS_CWD);
 		}
+		if (root_stat) free(root_stat);
+		if (cwd_stat)  free(cwd_stat);
+		if (exe_stat)  free(exe_stat);
 #ifndef __linux__
 		check_dir(pid, "lib", dev_head, ino_head, uid, ACCESS_MMAP, sockets, netdev);
 		check_dir(pid, "mmap", dev_head, ino_head, uid, ACCESS_MMAP, sockets, netdev);
@@ -239,10 +242,9 @@ static void add_inode(struct inode_list
 {
 	struct inode_list *ino_tmp, *ino_head;
 
-	ino_head = *ino_list;
-
-	if ( (ino_tmp = malloc(sizeof(struct inode_list))) == NULL)
+	if ( (ino_tmp = (struct inode_list*)malloc(sizeof(struct inode_list))) == NULL)
 		return;
+	ino_head = *ino_list;
 	ino_tmp->name = this_name;
 	ino_tmp->device = device;
 	ino_tmp->inode = inode;
@@ -250,15 +252,15 @@ static void add_inode(struct inode_list
 	*ino_list = ino_tmp;
 }
 
-static void add_device(struct device_list **dev_list, struct names  *this_name, dev_t device)
+static void add_device(struct device_list **restrict dev_list, struct names  *this_name, dev_t device)
 {
 	struct device_list *dev_tmp, *dev_head;
 
 	/*printf("Adding device %s %d\n", this_name->filename, device);*/
-	dev_head = *dev_list;
 
-	if ( (dev_tmp = malloc(sizeof(struct device_list))) == NULL)
+	if ( (dev_tmp = (struct device_list*)malloc(sizeof(struct device_list))) == NULL)
 		return;
+	dev_head = *dev_list;
 	dev_tmp->name = this_name;
 	dev_tmp->device = device;
 	dev_tmp->next = dev_head;
@@ -269,16 +271,14 @@ static void add_ip_conn(struct ip_connec
 {
 	struct ip_connections *ip_tmp, *ip_head;
 
-	ip_head = *ip_list;
-
 	if ( (ip_tmp = malloc(sizeof(struct ip_connections))) == NULL)
 		return;
+	ip_head = *ip_list;
 	ip_tmp->name = this_name;
 	ip_tmp->lcl_port = lcl_port;
 	ip_tmp->rmt_port = rmt_port;
 	ip_tmp->rmt_address.s_addr = rmt_address;
 	ip_tmp->next = ip_head;
-
 	*ip_list = ip_tmp;
 }
 
@@ -287,10 +287,9 @@ static void add_ip6_conn(struct ip6_conn
 {
 	struct ip6_connections *ip_tmp, *ip_head;
 
-	ip_head = *ip_list;
-
 	if ( (ip_tmp = malloc(sizeof(struct ip6_connections))) == NULL)
 		return;
+	ip_head = *ip_list;
 	ip_tmp->name = this_name;
 	ip_tmp->lcl_port = lcl_port;
 	ip_tmp->rmt_port = rmt_port;
@@ -319,7 +318,7 @@ static void add_matched_proc(struct name
 		}
 	}
 	/* Not found */
-	if ( (pptr = malloc(sizeof (struct procs))) == NULL) {
+	if ( (pptr = (struct procs*)malloc(sizeof (struct procs))) == NULL) {
 		fprintf(stderr,_("Cannot allocate memory for matched proc: %s\n"), strerror(errno));
 		return;
 	}
@@ -329,10 +328,13 @@ static void add_matched_proc(struct name
 	pptr->next = NULL;
 	/* set command name */
 	pptr->command = NULL;
+
+	fp = NULL;
+	pathname = NULL;
 	if ( (asprintf(&pathname, "/proc/%d/stat", pid) > 0) &&
 			( (fp = fopen(pathname, "r")) != NULL) &&
 			( fscanf(fp, "%*d (%100[^)]", cmdname) == 1)) 
-		if ( (pptr->command = malloc(MAX_CMDNAME+1)) != NULL) {
+		if ( (pptr->command = (char*)malloc(MAX_CMDNAME+1)) != NULL) {
 			cmdlen = 0;
 			for (cptr = cmdname; cmdlen < MAX_CMDNAME && *cptr ; cptr++) {
 				if (isprint(*cptr))
@@ -346,6 +348,10 @@ static void add_matched_proc(struct name
 		name_list->matched_procs = pptr;
 	else
 		last_proc->next = pptr;
+	if (pathname)
+		free(pathname);
+	if (fp)
+		fclose(fp);
 }
 
 int parse_mount(struct names *this_name, struct device_list **dev_list)
@@ -372,16 +378,16 @@ int parse_file(struct names *this_name,
 
 	real[0] = '\0';
 	if (check4nfs(this_name->filename, real)) {
-		if ((opts & (OPT_MOUNTPOINT|OPT_MOUNTS)) == 0) {
+		if (this_name->filename)
 			free(this_name->filename);
-			this_name->filename = strdup(real);
-			this_name->name_space |= NAMESPACE_NFS;
-			add_inode(ino_list, this_name, (dev_t)-1, (ino_t)-1);
-			return 0;
-		}
+		this_name->filename = strdup(real);
+		this_name->name_space |= NAMESPACE_NFS;
+		add_inode(ino_list, this_name, (dev_t)-1, (ino_t)-1);
+		return 0;
 	}
 	if (real[0] != '\0') {
-		free(this_name->filename);
+		if (this_name->filename)
+			free(this_name->filename);
 		this_name->filename = strdup(real);
 	}
 
@@ -662,7 +668,7 @@ void find_net_sockets(struct inode_list
 			
 
 	}
-	return ;
+	fclose(fp);
 }
 
 #ifdef WITH_IPV6
@@ -725,6 +731,7 @@ void find_net6_sockets(struct inode_list
 			}
 		}
 	}
+	fclose(fp);
 }
 #endif
 
@@ -1218,23 +1225,25 @@ static struct stat *get_pidstat(const op
 	char pathname[256];
 	struct stat *st;
 
-	if ( (st = malloc(sizeof(struct stat))) == NULL)
+	if ( (st = (struct stat*)malloc(sizeof(struct stat))) == NULL)
 		return NULL;
 	snprintf(pathname, 256, "/proc/%d/%s", pid, filename);
 	if (check4nfs(pathname, real)) {
 		if ((opts & (OPT_MOUNTPOINT|OPT_MOUNTS)) == 0)
-			return NULL;
+			goto out;
 	}
 	if (stat(pathname, st) != 0) 
-		return NULL;
-	else
-		return st;
+		goto out;
+	return st;
+out:
+	free(st);
+	return NULL;
 }
 
 static void check_dir(const pid_t pid, const char *dirname, struct device_list *dev_head, struct inode_list *ino_head, const uid_t uid, const char access,
                       struct unixsocket_list *sockets, dev_t netdev)
 {
-	char *dirpath, *filepath;
+	char *dirpath = NULL, *filepath = NULL;
 	DIR *dirp;
 	struct dirent *direntry;
 	struct inode_list *ino_tmp;
@@ -1243,13 +1252,13 @@ static void check_dir(const pid_t pid, c
 	struct stat st, lst;
 
 	if ( (dirpath = malloc(MAX_PATHNAME)) == NULL)
-		return;
+		goto out;
 	if ( (filepath = malloc(MAX_PATHNAME)) == NULL)
-		return;
+		goto out;
 
 	snprintf(dirpath, MAX_PATHNAME, "/proc/%d/%s", pid, dirname);
 	if ( (dirp = opendir(dirpath)) == NULL)
-		return;
+		goto out;
 	while ( (direntry = readdir(dirp)) != NULL) {
 		if (direntry->d_name[0] < '0' || direntry->d_name[0] > '9')
 			continue;
@@ -1293,8 +1302,11 @@ static void check_dir(const pid_t pid, c
 		}
 	} /* while fd_dent */
 	closedir(dirp);
-	free(dirpath);
-	free(filepath);
+out:
+	if (dirpath)
+		free(dirpath);
+	if (filepath)
+		free(filepath);
 }
 
 static void check_map(const pid_t pid, const char *filename, struct device_list *dev_head, struct inode_list *ino_head, const uid_t uid, const char access)
@@ -1349,7 +1361,7 @@ void add_mount_device(struct mountdev_li
 	struct mountdev_list *newmount;
 	/*printf("Adding mount Path: %s Dir:%s dev:%0x\n",dir, fsname, device);*/
 
-	if ( (newmount = malloc(sizeof(struct mountdev_list))) == NULL)
+	if ( (newmount = (struct mountdev_list*)malloc(sizeof(struct mountdev_list))) == NULL)
 		return;
 	newmount->fsname = strdup(fsname);
 	newmount->dir = strdup(dir);
@@ -1394,14 +1406,17 @@ void fill_unix_cache(struct unixsocket_l
 			free(path);
 			continue;
 		}
-		if ( (newsocket = malloc(sizeof(struct unixsocket_list))) == NULL)
+		if ( (newsocket = (struct unixsocket_list*)malloc(sizeof(struct unixsocket_list))) == NULL) {
+			free(path);
 			continue;
+		}
 		newsocket->sun_name = strdup(scanned_path);
 		newsocket->inode = st.st_ino;
 		newsocket->dev = st.st_dev;
 		newsocket->net_inode = scanned_inode;
 		newsocket->next = *unixsocket_head;
 		*unixsocket_head = newsocket;
+		free(path);
 	} /* while */
 
 	fclose(fp);

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File psmisc-22.7-memleaks.patch of Package psmisc (Revision e4d964bce7a968a462494b5cd70ad051)

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