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Merge pull request #2999 from rikardfalkeborn/fix-realloc-memleak-proctitle

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initutils: Fix memleak on realloc failure
This commit is contained in:
Christian Brauner
2019-05-13 13:19:55 +02:00
committed by GitHub
parent 7d4188ce71 e1d4305384
commit 612e48a364
1 changed files with 5 additions and 3 deletions
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8
src/lxc/initutils.c
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@@ -242,7 +242,7 @@ int setproctitle(char *title)
{
__do_fclose FILE *f = NULL;
int i, fd, len;
char *buf_ptr;
char *buf_ptr, *tmp_proctitle;
char buf[LXC_LINELEN];
int ret = 0;
ssize_t bytes_read = 0;
@@ -305,10 +305,12 @@ int setproctitle(char *title)
* want to have room for it. */
len = strlen(title) + 1;
proctitle = realloc(proctitle, len);
if (!proctitle)
tmp_proctitle = realloc(proctitle, len);
if (!tmp_proctitle)
return -1;
proctitle = tmp_proctitle;
arg_start = (unsigned long)proctitle;
arg_end = arg_start + len;