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* [Bug go/98610] New: syscall.TestUnshareUidGidMapping sporadically fails on powerpc64le
@ 2021-01-08 21:53 murphyp at linux dot vnet.ibm.com
2021-01-12 21:21 ` [Bug go/98610] " cvs-commit at gcc dot gnu.org
2021-01-12 21:31 ` ian at airs dot com
0 siblings, 2 replies; 3+ messages in thread
From: murphyp at linux dot vnet.ibm.com @ 2021-01-08 21:53 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98610
Bug ID: 98610
Summary: syscall.TestUnshareUidGidMapping sporadically fails on
powerpc64le
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: go
Assignee: ian at airs dot com
Reporter: murphyp at linux dot vnet.ibm.com
CC: cmang at google dot com
Target Milestone: ---
openat is not always called through the libc variadic wrapper in libgo. This
results in stack corruption on powerpc64le.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug go/98610] syscall.TestUnshareUidGidMapping sporadically fails on powerpc64le
2021-01-08 21:53 [Bug go/98610] New: syscall.TestUnshareUidGidMapping sporadically fails on powerpc64le murphyp at linux dot vnet.ibm.com
@ 2021-01-12 21:21 ` cvs-commit at gcc dot gnu.org
2021-01-12 21:31 ` ian at airs dot com
1 sibling, 0 replies; 3+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2021-01-12 21:21 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98610
--- Comment #1 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Ian Lance Taylor <ian@gcc.gnu.org>:
https://gcc.gnu.org/g:cfaaa6a1ca744c1a93fa08a3e7ab2a821383cac1
commit r11-6622-gcfaaa6a1ca744c1a93fa08a3e7ab2a821383cac1
Author: Paul E. Murphy <murp@ibm.com>
Date: Fri Jan 8 15:43:54 2021 -0600
syscall: ensure openat uses variadic libc wrapper
On powerpc64le, this caused a failure in TestUnshareUidGidMapping
due to stack corruption which resulted in a bogus execve syscall.
Use the existing c wrapper to ensure we respect the ppc abi for
variadic functions.
Fixes PR go/98610
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/282717
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug go/98610] syscall.TestUnshareUidGidMapping sporadically fails on powerpc64le
2021-01-08 21:53 [Bug go/98610] New: syscall.TestUnshareUidGidMapping sporadically fails on powerpc64le murphyp at linux dot vnet.ibm.com
2021-01-12 21:21 ` [Bug go/98610] " cvs-commit at gcc dot gnu.org
@ 2021-01-12 21:31 ` ian at airs dot com
1 sibling, 0 replies; 3+ messages in thread
From: ian at airs dot com @ 2021-01-12 21:31 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98610
Ian Lance Taylor <ian at airs dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|UNCONFIRMED |RESOLVED
--- Comment #2 from Ian Lance Taylor <ian at airs dot com> ---
Fixed.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-01-08 21:53 [Bug go/98610] New: syscall.TestUnshareUidGidMapping sporadically fails on powerpc64le murphyp at linux dot vnet.ibm.com
2021-01-12 21:21 ` [Bug go/98610] " cvs-commit at gcc dot gnu.org
2021-01-12 21:31 ` ian at airs dot com
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