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ltp: syscalls: rt_sigwaitinfo01: Fix failure for MIPS arches

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Backport a patch to fix the following failure.
rt_sigtimedwait01    1  TFAIL  :  .../sigwaitinfo01.c:58: test_empty_set
(.../sigwaitinfo01.c: 148): Unexpected failure:
TEST_ERRNO=EINVAL(22): Invalid argument

(From OE-Core rev: 26f9a7401f6379056e0a29f45e3817dee0d56e40)

Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
He Zhe
2019-09-03 17:28:45 +08:00
committed by Richard Purdie
parent f24aedeff8
commit 40afea45e2
2 changed files with 47 additions and 0 deletions
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meta/recipes-extended/ltp/ltp/0001-syscall-rt_sigtimedwait01-Fix-wrong-sigset-length-fo.patch
+46
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@@ -0,0 +1,46 @@
From a5046625eaeed2d3fba456c3ba84c6c141c2ad7c Mon Sep 17 00:00:00 2001
From: He Zhe <zhe.he@windriver.com>
Date: Thu, 29 Aug 2019 21:09:46 +0800
Subject: [PATCH] syscall/rt_sigtimedwait01: Fix wrong sigset length for MIPS
rt_sigtimedwait01 fails as follow on MIPS arches
rt_sigtimedwait01 1 TFAIL : .../sigwaitinfo01.c:58: test_empty_set
(.../sigwaitinfo01.c: 148): Unexpected failure:
TEST_ERRNO=EINVAL(22): Invalid argument
As this case purposely bypasses glibc, it should align with the size of kernel
definition of sigset_t which is different from other arches.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/mips/include/uapi/asm/signal.h#n15
This patch turns to use _NSIG which is always right for all arches.
Upstream-Status: Backport [a5046625eaeed2d3fba456c3ba84c6c141c2ad7c]
Suggested-by: Jan Stancek <jstancek@redhat.com>
Acked-by: Jan Stancek <jstancek@redhat.com>
Acked-by: Cyril Hrubis <chrubis@suse.cz>
Signed-off-by: He Zhe <zhe.he@windriver.com>
Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
testcases/kernel/syscalls/sigwaitinfo/sigwaitinfo01.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/testcases/kernel/syscalls/sigwaitinfo/sigwaitinfo01.c b/testcases/kernel/syscalls/sigwaitinfo/sigwaitinfo01.c
index 5a32ce1..6a30c27 100644
--- a/testcases/kernel/syscalls/sigwaitinfo/sigwaitinfo01.c
+++ b/testcases/kernel/syscalls/sigwaitinfo/sigwaitinfo01.c
@@ -128,9 +128,8 @@ static int my_sigtimedwait(const sigset_t * set, siginfo_t * info,
static int my_rt_sigtimedwait(const sigset_t * set, siginfo_t * info,
struct timespec *timeout)
{
-
- /* The last argument is (number_of_signals)/(bits_per_byte), which are 64 and 8, resp. */
- return ltp_syscall(__NR_rt_sigtimedwait, set, info, timeout, 8);
+ /* _NSIG is always the right number of bits of signal map for all arches */
+ return ltp_syscall(__NR_rt_sigtimedwait, set, info, timeout, _NSIG/8);
}
#endif
--
2.7.4
meta/recipes-extended/ltp/ltp_20190517.bb
+1
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@@ -47,6 +47,7 @@ SRC_URI = "git://github.com/linux-test-project/ltp.git \
file://0001-ustat02-Fix-EFAULT-in-32bit-compatibility-mode.patch \
file://0001-cve-meltdown.c-Fix-kernel-symbol-finding.patch \
file://0001-testcases-use-python3-everywhere-to-run-python-scrip.patch \
file://0001-syscall-rt_sigtimedwait01-Fix-wrong-sigset-length-fo.patch \
"
S = "${WORKDIR}/git"