From: Mikulas Patocka mpatocka@redhat.com
commit 9402e959014a18b4ebf7558733076875808dd66c upstream.
GFP_KERNEL is not supposed to be or'd with GFP_NOFS (the result is equivalent to GFP_KERNEL). Also, we use GFP_NOIO instead of GFP_NOFS because we don't want any I/O being submitted in the direct reclaim path.
Fixes: 39d13a1ac41d ("dm crypt: reuse eboiv skcipher for IV generation") Cc: stable@vger.kernel.org # v5.4+ Signed-off-by: Mikulas Patocka mpatocka@redhat.com Signed-off-by: Mike Snitzer snitzer@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/md/dm-crypt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -717,7 +717,7 @@ static int crypt_iv_eboiv_gen(struct cry struct crypto_wait wait; int err;
- req = skcipher_request_alloc(any_tfm(cc), GFP_KERNEL | GFP_NOFS); + req = skcipher_request_alloc(any_tfm(cc), GFP_NOIO); if (!req) return -ENOMEM;