This is a note to let you know that I've just added the patch titled
s390/zcrypt: don't leak memory if dev_set_name() fails
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
s390-zcrypt-don-t-leak-memory-if-dev_set_name-fails.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7a5bfec4213203571d8d18c36ee8c9eb474a89c3
Author: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Date: Thu Aug 31 13:59:59 2023 +0300
s390/zcrypt: don't leak memory if dev_set_name() fails
[ Upstream commit 6252f47b78031979ad919f971dc8468b893488bd ]
When dev_set_name() fails, zcdn_create() doesn't free the newly
allocated resources. Do it.
Fixes: 00fab2350e6b ("s390/zcrypt: multiple zcrypt device nodes support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230831110000.24279-1-andriy.shevchenko@xxxxxxxxxxxxxxx
Signed-off-by: Harald Freudenberger <freude@xxxxxxxxxxxxx>
Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 356318746dd16..17b3f1ea3a5c2 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -398,6 +398,7 @@ static int zcdn_create(const char *name)
ZCRYPT_NAME "_%d", (int) MINOR(devt));
nodename[sizeof(nodename)-1] = '\0';
if (dev_set_name(&zcdndev->device, nodename)) {
+ kfree(zcdndev);
rc = -EINVAL;
goto unlockout;
}
