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Ard Biesheuvel 417ec24258 crypto: api - check for ERR pointers in crypto_destroy_tfm() 
[ Upstream commit 83681f2beb ]

Given that crypto_alloc_tfm() may return ERR pointers, and to avoid
crashes on obscure error paths where such pointers are presented to
crypto_destroy_tfm() (such as [0]), add an ERR_PTR check there
before dereferencing the second argument as a struct crypto_tfm
pointer.

[0] https://lore.kernel.org/linux-crypto/000000000000de949705bc59e0f6@google.com/

Reported-by: syzbot+12cf5fbfdeba210a89dd@syzkaller.appspotmail.com
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-22 10:57:16 +02:00
..
asymmetric_keys
crypto: asymmetric_keys - select CRYPTO_HASH where needed
2019-07-31 07:28:31 +02:00
async_tx
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.gitignore
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842.c
…
ablk_helper.c
…
ablkcipher.c
…
acompress.c
…
aead.c
…
aes_generic.c
…
aes_ti.c
…
af_alg.c
crypto: af_alg - avoid undefined behavior accessing salg_name
2020-12-29 13:46:50 +01:00
ahash.c
…
akcipher.c
…
algapi.c
crypto: api - Fix race condition in crypto_spawn_alg
2020-02-14 16:32:14 -05:00
algboss.c
crypto: algboss - don't wait during notifier callback
2020-06-25 15:42:01 +02:00
algif_aead.c
crypto: algif_aead - Do not set MAY_BACKLOG on the async path
2020-10-29 09:07:00 +01:00
algif_hash.c
crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()
2020-07-09 09:36:30 +02:00
algif_rng.c
…
algif_skcipher.c
crypto: algif_skcipher - EBUSY on aio should be an error
2020-10-29 09:07:01 +01:00
ansi_cprng.c
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anubis.c
…
api.c
crypto: api - check for ERR pointers in crypto_destroy_tfm()
2021-05-22 10:57:16 +02:00
arc4.c
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authenc.c
…
authencesn.c
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blkcipher.c
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blowfish_common.c
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blowfish_generic.c
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camellia_generic.c
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cast5_generic.c
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cast6_generic.c
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cast_common.c
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cbc.c
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ccm.c
…
chacha20_generic.c
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chacha20poly1305.c
crypto: chacha20poly1305 - fix atomic sleep when using async algorithm
2019-07-31 07:28:35 +02:00
cipher.c
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cmac.c
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compress.c
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crc32_generic.c
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crc32c_generic.c
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crct10dif_common.c
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crct10dif_generic.c
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cryptd.c
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crypto_engine.c
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crypto_null.c
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crypto_user.c
crypto: user - fix memory leak in crypto_report
2019-12-17 20:38:55 +01:00
crypto_wq.c
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ctr.c
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cts.c
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deflate.c
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des_generic.c
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dh_helper.c
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dh.c
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drbg.c
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ecb.c
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ecc_curve_defs.h
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ecc.c
crypto: ecdh - fix big endian bug in ECC library
2019-12-17 20:38:55 +01:00
ecc.h
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ecdh_helper.c
crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key()
2021-03-03 18:22:43 +01:00
ecdh.c
crypto: ecdh - avoid buffer overflow in ecdh_set_secret()
2021-01-12 20:09:09 +01:00
echainiv.c
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fcrypt.c
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fips.c
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gcm.c
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gf128mul.c
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ghash-generic.c
crypto: ghash - fix unaligned memory access in ghash_setkey()
2019-07-31 07:28:35 +02:00
hash_info.c
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hmac.c
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internal.h
crypto: api - Fix race condition in crypto_spawn_alg
2020-02-14 16:32:14 -05:00
jitterentropy-kcapi.c
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jitterentropy.c
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Kconfig
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keywrap.c
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khazad.c
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kpp.c
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lrw.c
gcc-10: avoid shadowing standard library 'free()' in crypto
2020-05-20 08:17:11 +02:00
lz4.c
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lz4hc.c
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lzo.c
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Makefile
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mcryptd.c
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md4.c
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md5.c
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memneq.c
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michael_mic.c
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pcbc.c
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pcrypt.c
crypto: pcrypt - Do not clear MAY_SLEEP flag in original request
2020-02-14 16:32:14 -05:00
poly1305_generic.c
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proc.c
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ripemd.h
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rmd128.c
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rmd160.c
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rmd256.c
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rmd320.c
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rng.c
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rsa_helper.c
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rsa-pkcs1pad.c
crypto: fix a memory leak in rsa-kcs1pad's encryption mode
2019-11-20 18:00:47 +01:00
rsa.c
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rsaprivkey.asn1
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rsapubkey.asn1
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salsa20_generic.c
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scatterwalk.c
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scompress.c
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seed.c
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seqiv.c
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serpent_generic.c
crypto: serpent - mark __serpent_setkey_sbox noinline
2019-07-31 07:28:30 +02:00
sha1_generic.c
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sha3_generic.c
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sha256_generic.c
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sha512_generic.c
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shash.c
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simd.c
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skcipher.c
crypto: skcipher - Unmap pages after an external error
2019-10-11 18:18:32 +02:00
tcrypt.c
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tcrypt.h
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tea.c
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testmgr.c
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testmgr.h
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tgr192.c
crypto: tgr192 - fix unaligned memory access
2020-01-27 14:46:13 +01:00
twofish_common.c
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twofish_generic.c
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vmac.c
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wp512.c
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xcbc.c
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xor.c
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xts.c
gcc-10: avoid shadowing standard library 'free()' in crypto
2020-05-20 08:17:11 +02:00