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| author | Thorsten Blum <thorsten.blum@linux.dev> | 2026-03-11 05:07:35 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2026-03-22 05:17:58 +0300 |
| commit | 3fcfff4ed35f963380a68741bcd52742baff7f76 (patch) | |
| tree | 722b9171f4828af9b11462ef72dd7a190387c00f | |
| parent | 2aeec9af775fb53aa086419b953302c6f4ad4984 (diff) | |
| download | linux-3fcfff4ed35f963380a68741bcd52742baff7f76.tar.xz | |
crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup
atmel_aes_buff_init() allocates 4 pages using __get_free_pages() with
ATMEL_AES_BUFFER_ORDER, but atmel_aes_buff_cleanup() frees only the
first page using free_page(), leaking the remaining 3 pages. Use
free_pages() with ATMEL_AES_BUFFER_ORDER to fix the memory leak.
Fixes: bbe628ed897d ("crypto: atmel-aes - improve performances of data transfer")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/atmel-aes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index bc0c40f10944..9b0cb97055dc 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2131,7 +2131,7 @@ static int atmel_aes_buff_init(struct atmel_aes_dev *dd) static void atmel_aes_buff_cleanup(struct atmel_aes_dev *dd) { - free_page((unsigned long)dd->buf); + free_pages((unsigned long)dd->buf, ATMEL_AES_BUFFER_ORDER); } static int atmel_aes_dma_init(struct atmel_aes_dev *dd) |