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Comment tst-ofdlocks-compat expected failure in some Linux releases

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As pointed out in a libc-alpha thread [1], the misc/tst-ofdlocks-compat
may fail in some specific Linux releases.  This patch adds a comment
along with a link to discussion in the test source code.

No changes are expected.

	* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Add a comment about
	a kernel issue which lead to test failure in some cases.

[1] https://sourceware.org/ml/libc-alpha/2018-07/msg00243.html
This commit is contained in:
Adhemerval Zanella 2018-07-10 09:24:40 -03:00
parent 7b2f4cedf0
commit b444e8f7cc
2 changed files with 13 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2018-07-10 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Add a comment about
a kernel issue which lead to test failure in some cases.
2018-07-10 Florian Weimer <fweimer@redhat.com>
[BZ #23036]

8
sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c
View File

@ -40,6 +40,14 @@ do_prepare (int argc, char **argv)
#define PREPARE do_prepare
/* Linux between 4.13 and 4.15 return EOVERFLOW for LFS OFD locks usage
in compat mode (non-LFS ABI running on a LFS default kernel, such as
i386 on a x86_64 kernel or s390-32 on a s390-64 kernel) [1]. This is
a kernel issue because __NR_fcntl64 is the expected way to use OFD locks
(used on GLIBC for both fcntl and fcntl64).
[1] https://sourceware.org/ml/libc-alpha/2018-07/msg00243.html */
static int
do_test (void)
{