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同步操作将从 src-openEuler/lxcfs 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
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diff --git a/src/cgroup_fuse.c b/src/cgroup_fuse.c
index d4bdac1..76507f1 100644
--- a/src/cgroup_fuse.c
+++ b/src/cgroup_fuse.c
@@ -187,7 +187,7 @@ static bool is_child_cgroup(const char *controller, const char *cgroup,
static bool caller_may_see_dir(pid_t pid, const char *contrl, const char *cg)
{
bool answer = false;
- char *c2, *task_cg;
+ char *c2 = NULL, *task_cg = NULL;
size_t target_len, task_len;
if (strcmp(cg, "/") == 0 || strcmp(cg, "./") == 0)
@@ -229,6 +229,7 @@ static bool caller_may_see_dir(pid_t pid, const char *contrl, const char *cg)
out:
free(c2);
+ c2 = NULL;
return answer;
}
@@ -268,8 +269,8 @@ static char *get_next_cgroup_dir(const char *taskcg, const char *querycg)
static bool caller_is_in_ancestor(pid_t pid, const char *contrl, const char *cg, char **nextcg)
{
bool answer = false;
- char *c2;
- char *linecmp;
+ char *c2 = NULL;
+ char *linecmp = NULL;
c2 = get_pid_cgroup_handle_named(pid, contrl);
if (!c2)
@@ -299,6 +300,7 @@ static bool caller_is_in_ancestor(pid_t pid, const char *contrl, const char *cg,
out:
free(c2);
+ c2 = NULL;
return answer;
}
@@ -618,6 +620,7 @@ __lxcfs_fuse_ops int cg_getattr(const char *path, struct stat *sb)
out:
free(cgdir);
+ cgdir = NULL;
return ret;
}
@@ -740,7 +743,9 @@ __lxcfs_fuse_ops int cg_mkdir(const char *path, mode_t mode)
out:
free(cgdir);
+ cgdir = NULL;
free(next);
+ next = NULL;
return ret;
}
@@ -875,7 +880,9 @@ __lxcfs_fuse_ops int cg_rmdir(const char *path)
out:
free(cgdir);
+ cgdir = NULL;
free(next);
+ next = NULL;
return ret;
}
@@ -964,6 +971,7 @@ __lxcfs_fuse_ops int cg_chmod(const char *path, mode_t mode)
out:
free_key(k);
free(cgdir);
+ cgdir = NULL;
return ret;
}
@@ -1073,6 +1081,7 @@ __lxcfs_fuse_ops int cg_chown(const char *path, uid_t uid, gid_t gid)
out:
free_key(k);
free(cgdir);
+ cgdir = NULL;
return ret;
}
@@ -1145,6 +1154,7 @@ __lxcfs_fuse_ops int cg_open(const char *path, struct fuse_file_info *fi)
out:
free(cgdir);
+ cgdir = NULL;
return ret;
}
@@ -1286,6 +1296,7 @@ static bool do_read_pids(pid_t tpid, const char *contrl, const char *cg,
if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sock) < 0) {
perror("socketpair");
free(tmpdata);
+ tmpdata = NULL;
return false;
}
@@ -1337,6 +1348,7 @@ next:
out:
free(tmpdata);
+ tmpdata = NULL;
if (cpid != -1)
wait_for_pid(cpid);
if (sock[0] != -1) {
@@ -1413,6 +1425,7 @@ __lxcfs_fuse_ops int cg_read(const char *path, char *buf, size_t size,
out:
free(data);
+ data = NULL;
return ret;
}
@@ -1989,6 +2002,7 @@ __lxcfs_fuse_ops int cg_readdir(const char *path, void *buf,
if (nextcg) {
ret = filler(buf, nextcg, NULL, 0);
free(nextcg);
+ nextcg = NULL;
if (ret != 0) {
ret = -EIO;
goto out;
@@ -2024,9 +2038,12 @@ __lxcfs_fuse_ops int cg_readdir(const char *path, void *buf,
out:
free_keys(list);
if (clist) {
- for (i = 0; clist[i]; i++)
+ for (i = 0; clist[i]; i++) {
free(clist[i]);
+ clist[i] = NULL;
+ }
free(clist);
+ clist = NULL;
}
return ret;
}
@@ -2095,5 +2112,6 @@ __lxcfs_fuse_ops int cg_access(const char *path, int mode)
out:
free(cgdir);
+ cgdir = NULL;
return ret;
}
diff --git a/src/cgroups/cgfsng.c b/src/cgroups/cgfsng.c
index cf891b3..ca80a75 100644
--- a/src/cgroups/cgfsng.c
+++ b/src/cgroups/cgfsng.c
@@ -878,7 +878,7 @@ static int cg_hybrid_init(struct cgroup_ops *ops)
prune_init_scope(base_cgroup);
if (type == CGROUP2_SUPER_MAGIC) {
- char *cgv2_ctrl_path;
+ char *cgv2_ctrl_path = NULL;
cgv2_ctrl_path = must_make_path(mountpoint, base_cgroup,
"cgroup.controllers",
@@ -886,6 +886,7 @@ static int cg_hybrid_init(struct cgroup_ops *ops)
controller_list = cg_unified_get_controllers(cgv2_ctrl_path);
free(cgv2_ctrl_path);
+ cgv2_ctrl_path = NULL;
if (!controller_list)
controller_list = cg_unified_make_empty_controller();
}
@@ -900,7 +901,9 @@ static int cg_hybrid_init(struct cgroup_ops *ops)
next:
free_string_list(controller_list);
free(mountpoint);
+ mountpoint = NULL;
free(base_cgroup);
+ base_cgroup = NULL;
}
free_string_list(klist);
diff --git a/src/cgroups/cgroup_utils.c b/src/cgroups/cgroup_utils.c
index c21e7bc..521ec8b 100644
--- a/src/cgroups/cgroup_utils.c
+++ b/src/cgroups/cgroup_utils.c
@@ -710,7 +710,7 @@ bool mkdir_p(const char *dir, mode_t mode)
{
const char *tmp = dir;
const char *orig = dir;
- char *makeme;
+ char *makeme = NULL;
do {
dir = tmp + strspn(tmp, "/");
@@ -722,9 +722,11 @@ bool mkdir_p(const char *dir, mode_t mode)
lxcfs_error("Failed to create directory '%s': %s.\n",
makeme, strerror(errno));
free(makeme);
+ makeme = NULL;
return false;
}
free(makeme);
+ makeme = NULL;
} while(tmp != dir);
return true;
diff --git a/src/lxcfs.c b/src/lxcfs.c
index 94256d4..2251a20 100644
--- a/src/lxcfs.c
+++ b/src/lxcfs.c
@@ -1130,6 +1130,7 @@ int main(int argc, char *argv[])
} else {
lxcfs_error("Warning: unexpected fuse option %s", v);
free(v);
+ v = NULL;
exit(EXIT_FAILURE);
}
}
diff --git a/src/memory_utils.h b/src/memory_utils.h
index 2916f56..c903d48 100644
--- a/src/memory_utils.h
+++ b/src/memory_utils.h
@@ -65,8 +65,10 @@ static inline void free_disarm_function(void *ptr)
static inline void free_string_list(char **list)
{
if (list) {
- for (int i = 0; list[i]; i++)
+ for (int i = 0; list[i]; i++) {
free(list[i]);
+ list[i] = NULL;
+ }
free_disarm(list);
}
}
diff --git a/src/proc_loadavg.c b/src/proc_loadavg.c
index 7a7a39e..84787a9 100644
--- a/src/proc_loadavg.c
+++ b/src/proc_loadavg.c
@@ -445,10 +445,13 @@ static int refresh_load(struct load_node *p, const char *path)
p->last_pid = last_pid;
err_out:
- for (; i > 0; i--)
+ for (; i > 0; i--) {
free(idbuf[i - 1]);
+ idbuf[i - 1] = NULL;
+ }
out:
free(idbuf);
+ idbuf = NULL;
return sum;
}
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