From: Aurelien Jarno <aurelien@aurel32.net>
To: libc-stable@sourceware.org
Cc: Aurelien Jarno <aurelien@aurel32.net>
Subject: [2.30 COMMITTED] alpha: force old OSF1 syscalls for getegid, geteuid and getppid [BZ #24986]
Date: Tue, 01 Jan 2019 00:00:00 -0000 [thread overview]
Message-ID: <20190914180857.18483-1-aurelien@aurel32.net> (raw)
On alpha, Linux kernel 5.1 added the standard getegid, geteuid and
getppid syscalls (commit ecf7e0a4ad15287). Up to now alpha was using
the corresponding OSF1 syscalls through:
- sysdeps/unix/alpha/getegid.S
- sysdeps/unix/alpha/geteuid.S
- sysdeps/unix/alpha/getppid.S
When building against kernel headers >= 5.1, the glibc now use the new
syscalls through sysdeps/unix/sysv/linux/syscalls.list. When it is then
used with an older kernel, the corresponding 3 functions fail.
A quick fix is to move the OSF1 wrappers under the
sysdeps/unix/sysv/linux/alpha directory so they override the standard
linux ones. A better fix would be to try the new syscalls and fallback
to the old OSF1 in case the new ones fail. This can be implemented in
a later commit.
Changelog:
[BZ #24986]
* sysdeps/unix/alpha/getegid.S: Move to ...
* sysdeps/unix/sysv/linux/alpha/getegid.S: ... here.
* sysdeps/unix/alpha/geteuid.S: Move to ...
* sysdeps/unix/sysv/linux/alpha/geteuid.S: ... here.
* sysdeps/unix/alpha/getppid.S: Move to ...
* sysdeps/unix/sysv/linux/alpha/getppid.S: ... here
(cherry picked from commit 1a6566094d3097f4a3037ab5555cddc6cb11c3a3)
---
ChangeLog | 10 ++++++++++
NEWS | 2 ++
sysdeps/unix/{ => sysv/linux}/alpha/getegid.S | 0
sysdeps/unix/{ => sysv/linux}/alpha/geteuid.S | 0
sysdeps/unix/{ => sysv/linux}/alpha/getppid.S | 0
5 files changed, 12 insertions(+)
rename sysdeps/unix/{ => sysv/linux}/alpha/getegid.S (100%)
rename sysdeps/unix/{ => sysv/linux}/alpha/geteuid.S (100%)
rename sysdeps/unix/{ => sysv/linux}/alpha/getppid.S (100%)
diff --git a/ChangeLog b/ChangeLog
index 8e29a549b90..3ea022b7387 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2019-09-14 Aurelien Jarno <aurelien@aurel32.net>
+
+ [BZ #24986]
+ * sysdeps/unix/alpha/getegid.S: Move to ...
+ * sysdeps/unix/sysv/linux/alpha/getegid.S: ... here.
+ * sysdeps/unix/alpha/geteuid.S: Move to ...
+ * sysdeps/unix/sysv/linux/alpha/geteuid.S: ... here.
+ * sysdeps/unix/alpha/getppid.S: Move to ...
+ * sysdeps/unix/sysv/linux/alpha/getppid.S: ... here
+
2019-09-08 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/hppa/fpu/libm-test-ulps: Update.
diff --git a/NEWS b/NEWS
index 09f2ce97520..5f1ade1c490 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,8 @@ The following bugs are resolved with this release:
[24682] localedata: zh_CN first weekday should be Monday per GB/T
7408-2005
[24867] malloc: Remove unwanted leading whitespace in malloc_info
+ [24986] alpha: new getegid, geteuid and getppid syscalls used
+ unconditionally
\f
Version 2.30
diff --git a/sysdeps/unix/alpha/getegid.S b/sysdeps/unix/sysv/linux/alpha/getegid.S
similarity index 100%
rename from sysdeps/unix/alpha/getegid.S
rename to sysdeps/unix/sysv/linux/alpha/getegid.S
diff --git a/sysdeps/unix/alpha/geteuid.S b/sysdeps/unix/sysv/linux/alpha/geteuid.S
similarity index 100%
rename from sysdeps/unix/alpha/geteuid.S
rename to sysdeps/unix/sysv/linux/alpha/geteuid.S
diff --git a/sysdeps/unix/alpha/getppid.S b/sysdeps/unix/sysv/linux/alpha/getppid.S
similarity index 100%
rename from sysdeps/unix/alpha/getppid.S
rename to sysdeps/unix/sysv/linux/alpha/getppid.S
--
2.23.0
reply other threads:[~2019-09-14 18:09 UTC|newest]
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