raspi/linux
1
0
Fork 1
mirror of https://github.com/raspberrypi/linux.git synced 2025-12-06 01:49:46 +00:00
Code Issues Projects Releases Wiki Activity

crypto: zstd - Fix compression bug caused by truncation

Browse Source 
commit 81c1a15eb4 upstream.

Use size_t for the return value of zstd_compress_cctx as otherwise
negative errors will be truncated to a positive value.

Reported-by: Han Xu <han.xu@nxp.com>
Fixes: f5ad93ffb5 ("crypto: zstd - convert to acomp")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: David Sterba <dsterba@suse.com>
Tested-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Herbert Xu
2025-09-30 16:08:34 +08:00
committed by Greg Kroah-Hartman
parent 75fcc07c8c
commit 15ea288e1d
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
crypto/zstd.c
View File

@@ -83,7 +83,7 @@ static void zstd_exit(struct crypto_acomp *acomp_tfm)
static int zstd_compress_one(struct acomp_req *req, struct zstd_ctx *ctx,
const void *src, void *dst, unsigned int *dlen)
{
unsigned int out_len;
size_t out_len;
ctx->cctx = zstd_init_cctx(ctx->wksp, ctx->wksp_size);
if (!ctx->cctx)