rdelaage
/
postgresql
mirror of https://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Avoid memory leak in rmtree() when path cannot be opened 

An allocation done for the directory names to recurse into for their
deletion was done before OPENDIR(), so, assuming that a failure happens,
this could leak a bit of memory.

Author: Ranier Vilela
Reviewed-by: Daniel Gustafsson
Discussion: https://postgr.es/m/CAEudQAoN3-2ZKBALThnEk_q2hu8En5A0WG9O+5siJTQKVZzoWQ@mail.gmail.com
This commit is contained in:
Michael Paquier 2023-07-31 11:36:44 +09:00
parent bf227926d2
commit f1e9f6bbfa
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/common/rmtree.c
View File

@ -55,7 +55,7 @@ rmtree(const char *path, bool rmtopdir)
bool result = true;
size_t dirnames_size = 0;
size_t dirnames_capacity = 8;
char **dirnames = palloc(sizeof(char *) * dirnames_capacity);
char **dirnames;
dir = OPENDIR(path);
if (dir == NULL)
@ -64,6 +64,8 @@ rmtree(const char *path, bool rmtopdir)
return false;
}
dirnames = (char **) palloc(sizeof(char *) * dirnames_capacity);
while (errno = 0, (de = readdir(dir)))
{
if (strcmp(de->d_name, ".") == 0 ||