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This push fixes a regression in sm2.

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Merge tag 'v6.6-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fix from Herbert Xu:
 "This fixes a regression in sm2"

* tag 'v6.6-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: sm2 - Fix crash caused by uninitialized context
This commit is contained in:
Linus Torvalds 2023-09-22 09:15:37 -07:00
commit 2f8d62daf2
1 changed files with 5 additions and 1 deletions
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6
crypto/sm2.c
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@ -278,10 +278,14 @@ int sm2_compute_z_digest(struct shash_desc *desc,
if (!ec)
return -ENOMEM;
err = __sm2_set_pub_key(ec, key, keylen);
err = sm2_ec_ctx_init(ec);
if (err)
goto out_free_ec;
err = __sm2_set_pub_key(ec, key, keylen);
if (err)
goto out_deinit_ec;
bits_len = SM2_DEFAULT_USERID_LEN * 8;
entl[0] = bits_len >> 8;
entl[1] = bits_len & 0xff;