Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: pcrypt - Fix user-after-free on module unload
On module unload of pcrypt we must unregister the crypto algorithms
first and then tear down the padata structure. As otherwise the
crypto algorithms are still alive and can be used while the padata
structure is being freed.
Fixes: 5068c7a883d1 ("crypto: pcrypt - Add pcrypt crypto...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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crypto/pcrypt.c
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crypto/pcrypt.c
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static void __exit pcrypt_exit(void)
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{
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crypto_unregister_template(&pcrypt_tmpl);
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pcrypt_fini_padata(pencrypt);
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pcrypt_fini_padata(pdecrypt);
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kset_unregister(pcrypt_kset);
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crypto_unregister_template(&pcrypt_tmpl);
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}
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subsys_initcall(pcrypt_init);