Bug 1335629 – aarch64: MINSIGSTKSZ is (much) too small

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Bug 1335629 - aarch64: MINSIGSTKSZ is (much) too small

Summary:	aarch64: MINSIGSTKSZ is (much) too small

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 7
Classification:	Red Hat
Component:	glibc (Show other bugs)
Sub Component:
Version:	7.2
Hardware:	aarch64 Linux

Priority	unspecified Severity unspecified
Target Milestone:	rc
Target Release:	---
Assigned To:	Florian Weimer
QA Contact:	Michael Petlan
Docs Contact:

URL:
Whiteboard:
Keywords:	Patch

Depends On:
Blocks:	1335925
	Show dependency tree / graph

Reported:	2016-05-12 13:32 EDT by Michael Petlan
Modified:	2016-11-03 04:31 EDT (History)
CC List:	6 users (show)

See Also:
Fixed In Version:	glibc-2.17-134.el7
Doc Type:	No Doc Update
Doc Text:	undefined
Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-11-03 04:31:59 EDT
Type:	Bug
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Sourceware	16850	None	None	None	2016-05-12 13:33 EDT
Red Hat Product Errata	RHSA-2016:2573	normal	SHIPPED_LIVE	Low: glibc security, bug fix, and enhancement update	2016-11-03 08:05:56 EDT

Groups: None (edit)

Description Michael Petlan 2016-05-12 13:32:32 EDT

Description of problem:


Version-Release number of selected component (if applicable):


How reproducible:


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Additional info:

Comment 1 Michael Petlan 2016-05-12 13:36:16 EDT

Reproducible with: glibc-2.17-133.el7.aarch64
also with: glibc-2.17-108.el7.aarch64

# cd nptl
# ./tst-signal6
tf: sigaltstack failed
tf: sigaltstack failed

Comment 4 Carlos O'Donell 2016-05-12 16:43:32 EDT

The upstream commit we need is:

commit b763f6ae859ecea70a5dacb8ad45c71d5f667e2e
Author: Andreas Schwab <schwab@suse.de>
Date:   Tue Sep 30 12:41:11 2014 +0200

    aarch64: Increase MINSIGSTKSZ and SIGSTKSZ (bug 16850)

Comment 5 Carlos O'Donell 2016-05-12 16:44:51 EDT

This shows up as a failure in tst-signal6 on AArch64 systems with new-enough kernels.

Comment 9 Michael Petlan 2016-08-11 15:40:36 EDT

Tested glibc-2.17-133.el7 against glibc-2.17-157.el7:

# ./157/BUILD/glibc-2.17-c758a686/build-aarch64-redhat-linux/nptl/tst-signal6
thread 0 used alt stack for signal 36
thread 0 used alt stack for signal 36
thread 0 used alt stack for signal 34
thread 1 used alt stack for signal 35
# ./133/BUILD/glibc-2.17-c758a686/build-aarch64-redhat-linux/nptl/tst-signal6
tf: sigaltstack failed
tf: sigaltstack failed

VERIFIED

Comment 11 errata-xmlrpc 2016-11-03 04:31:59 EDT

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2016-2573.html

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