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Subject: Fwd: [Bug 203515] [crypto] alg: skcipher: p8_aes_ctr encryption test
 failed (wrong result) on test vector 3, cfg="uneven misaligned splits, may
 sleep"
References: <bug-203515-206035-IJDpu7ZL6G@https.bugzilla.kernel.org/>
To:     Herbert Xu <herbert@gondor.apana.org.au>,
        "linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>
From:   Christophe Leroy <christophe.leroy@c-s.fr>
Message-ID: <e2393522-7f3a-1f04-9cb5-72e207adb9ac@c-s.fr>
Date:   Mon, 6 May 2019 07:49:30 +0200
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-------- Message transféré --------
Sujet : [Bug 203515] [crypto] alg: skcipher: p8_aes_ctr encryption test 
failed (wrong result) on test vector 3, cfg="uneven misaligned splits, 
may sleep"
Date : Sun, 05 May 2019 19:19:07 +0000
De : bugzilla-daemon@bugzilla.kernel.org
Pour : linuxppc-dev@lists.ozlabs.org

https://bugzilla.kernel.org/show_bug.cgi?id=203515

--- Comment #3 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 282623
   --> https://bugzilla.kernel.org/attachment.cgi?id=282623&action=edit
bisect.log

git-bisect found 4e7babba30d820c4195b1d58cf51dce3c22ecf2b as the 1st bad
commit:

# git bisect good | tee -a ~/bisect01.log
4e7babba30d820c4195b1d58cf51dce3c22ecf2b is the first bad commit
commit 4e7babba30d820c4195b1d58cf51dce3c22ecf2b
Author: Eric Biggers <ebiggers@google.com>
Date:   Thu Jan 31 23:51:46 2019 -0800

     crypto: testmgr - convert skcipher testing to use testvec_configs

     Convert alg_test_skcipher() to use the new test framework, adding a 
list
     of testvec_configs to test by default.  When the extra self-tests are
     enabled, randomly generated testvec_configs are tested as well.

     This improves skcipher test coverage mainly because now all algorithms
     have a variety of data layouts tested, whereas before each 
algorithm was
     responsible for declaring its own chunked test cases which were often
     missing or provided poor test coverage.  The new code also tests both
     the MAY_SLEEP and !MAY_SLEEP cases, different IV alignments, and 
buffers
     that cross pages.

     This has already found a bug in the arm64 ctr-aes-neonbs algorithm.
     It would have easily found many past bugs.

     I removed the skcipher chunked test vectors that were the same as
     non-chunked ones, but left the ones that were unique.

     Signed-off-by: Eric Biggers <ebiggers@google.com>
     Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

:040000 040000 c533a4dce0d9954923cd56a69e0d26eeee5324a3
c199b3af7a05160aede1522c4860abae5fbe2716 M      crypto

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