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From: Jeffrey Walton <noloader@gmail.com>
To: Todd Zullinger <tmz@pobox.com>
Cc: Git List <git@vger.kernel.org>
Subject: Re: One failed self test on Fedora 29
Date: Sat, 9 Mar 2019 07:34:15 -0500
Message-ID: <CAH8yC8mg3vjPoof5SDemQ_YiL+7e1ak535U2nFnPbaWJ8xSWOA@mail.gmail.com> (raw)
In-Reply-To: <20190308174343.GX31362@zaya.teonanacatl.net>

On Fri, Mar 8, 2019 at 12:43 PM Todd Zullinger <tmz@pobox.com> wrote:
>
> Jeffrey Walton wrote:
> > Fedora 29, x86_64. One failed self test:
> >
> > *** t0021-conversion.sh ***
> [...]
> > not ok 13 - disable filter with empty override
> > #
> > #               test_config_global filter.disable.smudge false &&
> > #               test_config_global filter.disable.clean false &&
> > #               test_config filter.disable.smudge false &&
> > #               test_config filter.disable.clean false &&
> > #
> > #               echo "*.disable filter=disable" >.gitattributes &&
> > #
> > #               echo test >test.disable &&
> > #               git -c filter.disable.clean= add test.disable 2>err &&
> > #               test_must_be_empty err &&
> > #               rm -f test.disable &&
> > #               git -c filter.disable.smudge= checkout -- test.disable 2>err &&
> > #               test_must_be_empty err
> > #
> [...]
> > # failed 1 among 26 test(s)
> > 1..26
> > gmake[2]: *** [Makefile:56: t0021-conversion.sh] Error 1
> >
> > Does anyone need a config.log or other test data?
>
> It would probably help to know what commit you're building.
> The verbose test output would also be useful, e.g.:

I built with CFLAGS += -fsanitize=undefined. It looks like the
misaligned accesses generate UBsan findings, which is causing
t0021-conversion to fail.

git-2.21.0$ grep -IR 'runtime error'
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:392:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:397:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:402:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:407:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:412:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:417:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:422:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:427:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:432:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:437:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:442:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:447:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:452:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:457:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:462:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/err:sha1dc/sha1.c:467:2: runtime
error: load of misaligned address 0x0000024fc245 for type 'const
uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:392:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:397:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:402:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:407:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:412:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:417:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:422:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:427:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:432:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:437:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:442:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:447:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:452:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:457:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:462:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment
t/trash directory.t0021-conversion/git-stderr.log:sha1dc/sha1.c:467:2:
runtime error: load of misaligned address 0x000001a39cf5 for type
'const uint32_t', which requires 4 byte alignment

  reply	other threads:[~2019-03-09 12:34 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-08 10:48 Jeffrey Walton
2019-03-08 17:43 ` Todd Zullinger
2019-03-09 12:34   ` Jeffrey Walton [this message]
2019-03-09 13:12     ` Jeffrey Walton
2019-03-11  2:00       ` Junio C Hamano
2019-03-11  2:16         ` Jeffrey Walton
2019-03-11  3:37         ` disabling sha1dc unaligned access, was " Jeff King
2019-03-11 10:40           ` Jeffrey Walton
2019-03-11 18:19             ` Jeff King
2019-03-11 11:58           ` Duy Nguyen
2019-03-11 18:15             ` Thomas Braun
2019-03-11 18:23               ` Jeff King
2019-03-12  7:27                 ` Junio C Hamano
2019-03-12 10:51                   ` Jeff King
2019-03-13 11:47                     ` Thomas Braun
2019-03-13 15:39                       ` Jeff King
2019-03-13 16:00                         ` Ævar Arnfjörð Bjarmason
2019-03-12  8:53                 ` Ævar Arnfjörð Bjarmason
2019-03-12 11:05                   ` Jeff King
2019-03-12 12:09                     ` Ævar Arnfjörð Bjarmason
2019-03-12 21:01                       ` Jeff King
2019-03-12 21:06           ` [PATCH] Makefile: fix unaligned loads in sha1dc with UBSan Jeff King
2019-03-12 21:17             ` Ævar Arnfjörð Bjarmason
2019-03-12 21:19               ` Jeff King
2019-03-11  3:29     ` One failed self test on Fedora 29 Jeff King

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