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* [PATCH] Open file with O_CLOEXEC to avoid fd leak
@ 2020-01-19  3:50 mingli.yu
  2020-01-19  4:02 ` ✗ patchtest: failure for " Patchwork
                   ` (4 more replies)
  0 siblings, 5 replies; 14+ messages in thread
From: mingli.yu @ 2020-01-19  3:50 UTC (permalink / raw)
  To: openembedded-core, seebs; +Cc: pavelmn

From: Pavel Modilaynen <pavelmn@axis.com>

Use close-on-exec (O_CLOEXEC) flag when open log file to
make sure its file descriptor is not leaked to parent
process on fork/exec.
---
 pseudo_util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pseudo_util.c b/pseudo_util.c
index c867ed6..0ec527b 100644
--- a/pseudo_util.c
+++ b/pseudo_util.c
@@ -1594,7 +1594,7 @@ pseudo_logfile(char *filename, char *defname, int prefer_fd) {
 		}
 		free(filename);
 	}	
-	fd = open(pseudo_path, O_WRONLY | O_APPEND | O_CREAT, 0644);
+	fd = open(pseudo_path, O_WRONLY | O_APPEND | O_CREAT | O_CLOEXEC, 0644);
 	if (fd == -1) {
 		pseudo_diag("help: can't open log file %s: %s\n", pseudo_path, strerror(errno));
 	} else {
-- 
2.7.4



^ permalink raw reply related	[flat|nested] 14+ messages in thread

end of thread, other threads:[~2020-01-20  3:27 UTC | newest]

Thread overview: 14+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-01-19  3:50 [PATCH] Open file with O_CLOEXEC to avoid fd leak mingli.yu
2020-01-19  4:02 ` ✗ patchtest: failure for " Patchwork
2020-01-19  4:12 ` [PATCH v2] " mingli.yu
2020-01-19  4:32 ` ✗ patchtest: failure for Open file with O_CLOEXEC to avoid fd leak (rev2) Patchwork
2020-01-19  5:15 ` [PATCH v3] pseudo_util.c: Open file with O_CLOEXEC to avoid fd leak mingli.yu
2020-01-19  5:32 ` ✗ patchtest: failure for Open file with O_CLOEXEC to avoid fd leak (rev3) Patchwork
2020-01-19  5:41   ` Yu, Mingli
2020-01-20  1:29     ` Paul Eggleton
2020-01-20  1:34       ` Yu, Mingli
2020-01-20  2:28         ` Peter Kjellerstedt
2020-01-20  3:04           ` Yu, Mingli
2020-01-20  3:15             ` Peter Kjellerstedt
2020-01-20  3:27               ` [pseudo v4] pseudo_util.c: Open file with O_CLOEXEC to avoid fd leak mingli.yu
2020-01-20  3:27               ` ✗ patchtest: failure for Open file with O_CLOEXEC to avoid fd leak (rev3) Yu, Mingli

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