upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-07-16 12:33:07 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

touch: don't leak descriptor if fstat(2) fails

Browse source 
If fstat(2) fails the close(2) won't be called, which will leak the
file descriptor.

The idea was borrowed from OpenBSD, where similar patch
was applied for futimens(2).

MFC after:	1 week
This commit is contained in:
Mariusz Zaborski 2022-03-12 11:38:12 +01:00
parent 54b75edd9e
commit cb54c500d0
1 changed files with 9 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
usr.bin/touch/touch.c
View file

@ -177,11 +177,19 @@ main(int argc, char *argv[])
/* Create the file. */
fd = open(*argv,
O_WRONLY | O_CREAT, DEFFILEMODE);
if (fd == -1 || fstat(fd, &sb) || close(fd)) {
if (fd == -1) {
rval = 1;
warn("%s", *argv);
continue;
}
if (fstat(fd, &sb) < 0) {
warn("%s", *argv);
rval = 1;
}
if (close(fd) < 0) {
warn("%s", *argv);
rval = 1;
}
/* If using the current time, we're done. */
if (!timeset)