crypto: sm2 - Fix crash caused by uninitialized context
authorTianjia Zhang <tianjia.zhang@linux.alibaba.com>
Mon, 18 Sep 2023 08:38:50 +0000 (16:38 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Wed, 20 Sep 2023 05:10:10 +0000 (13:10 +0800)
commit21155620fbf2edbb071144894ff9d67ba9a1faa0
treee4c39faf9fa80b46c6ba5f1571ae8e3e2c862a1f
parent0bb80ecc33a8fb5a682236443c1e740d5c917d1d
crypto: sm2 - Fix crash caused by uninitialized context

In sm2_compute_z_digest() function, the newly allocated structure
mpi_ec_ctx is used, but forget to initialize it, which will cause
a crash when performing subsequent operations.

Fixes: e5221fa6a355 ("KEYS: asymmetric: Move sm2 code into x509_public_key")
Cc: stable@vger.kernel.org # v6.5
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto/sm2.c