424
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Ran 16 Aug 2016 06:48PM UTC

Jobs 6

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Run time 13min

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Build # 424

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travis-ci

Committed by

0x7f454c46

Commit Message

parasite: align parasite args with 4 bytes

From the commit 64e74fab05f1 ("parasite: handle errors while a transport
socket is being created"), we have futex in parasite init args to
synchronize parasite and criu during initialization.
And man futex(2): "On all platforms, futexes are four-byte integers that
must be aligned on a four-byte boundary."
This is checked by kernel in get_futex_key():
	if (unlikely((address % sizeof(u32)) != 0))
		return -EINVAL;

So, we need to align parasite arguments on four bytes, while mapping
of parasite blob on page-aligned address will guarantee that it'll
be aligned on four bytes in memory.

Fixes:
(00.013468) -----------------------
(00.013470) Putting tsock into pid 22043
(00.014024) Error (criu/parasite-syscall.c:541): futex() returned an unexpected error: -22
(00.014026) Error (criu/parasite-syscall.c:541): BUG at criu/parasite-syscall.c:541

Cc: Andrew Vagin <avagin@virtuozzo.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>

Run Details

16792 of 26083 relevant lines covered (64.38%)

73182.4 hits per line

Jobs

ID	Job ID	Ran	Coverage
1	424.1 (TR_ARCH=local)	16 Aug 2016 06:57PM UTC	64.38	Travis Job 424.1
2	424.2 (TR_ARCH=x86_64)	16 Aug 2016 06:48PM UTC		Travis Job 424.2
3	424.3 (TR_ARCH=armv7hf)	16 Aug 2016 07:02PM UTC		Travis Job 424.3
4	424.4 (TR_ARCH=aarch64)	16 Aug 2016 06:57PM UTC		Travis Job 424.4
5	424.5 (TR_ARCH=ppc64le)	16 Aug 2016 06:59PM UTC		Travis Job 424.5
6	424.6 (TR_ARCH=alpine)	16 Aug 2016 06:52PM UTC		Travis Job 424.6

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