linux-kernel - patch uml-stub-needs-to-tolerate-sigwinch.patch added to 2.6.25-stable tree

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Message-Id: <20080816223932.978D51454450@imap.suse.de>
Date:	Sat, 16 Aug 2008 15:32:46 -0700
From:	<gregkh@...e.de>
To:	jdike@...toit.com, akpm@...ux-foundation.org,
	benedict.verheyen@...il.com, gregkh@...e.de, jdike@...ux.intel.com,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	user-mode-linux-devel@...ts.sourceforge.net
Cc:	<stable@...nel.org>, <stable-commits@...r.kernel.org>
Subject: patch uml-stub-needs-to-tolerate-sigwinch.patch added to 2.6.25-stable tree


This is a note to let you know that we have just queued up the patch titled

    Subject: uml: stub needs to tolerate SIGWINCH

to the 2.6.25-stable tree.  Its filename is

    uml-stub-needs-to-tolerate-sigwinch.patch

A git repo of this tree can be found at 
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary


>From stable-bounces@...ux.kernel.org Tue Aug  5 13:15:05 2008
From: Jeff Dike <jdike@...toit.com>
Date: Tue, 5 Aug 2008 16:14:09 -0400
Subject: uml: stub needs to tolerate SIGWINCH
To: stable@...nel.org
Cc: LKML <linux-kernel@...r.kernel.org>, uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Message-ID: <20080805201409.GA11798@...user-mode-linux.org>
Content-Disposition: inline

From: Jeff Dike <jdike@...toit.com>

commit 3d5ede6f776bdb1483bcd086f79c3bf41fed3865 upstream

We lost the marking of SIGWINCH as being OK to receive during stub
execution, causing a panic should that happen.

Cc: Benedict Verheyen <benedict.verheyen@...il.com>
Signed-off-by: Jeff Dike <jdike@...ux.intel.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/um/os-Linux/skas/process.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -55,7 +55,7 @@ static int ptrace_dump_regs(int pid)
  * Signals that are OK to receive in the stub - we'll just continue it.
  * SIGWINCH will happen when UML is inside a detached screen.
  */
-#define STUB_SIG_MASK (1 << SIGVTALRM)
+#define STUB_SIG_MASK ((1 << SIGVTALRM) | (1 << SIGWINCH))
 
 /* Signals that the stub will finish with - anything else is an error */
 #define STUB_DONE_MASK (1 << SIGTRAP)


Patches currently in stable-queue which might be from jdike@...toit.com are

queue-2.6.25/uml-fix-build-when-slob-is-enabled.patch
queue-2.6.25/uml-fix-bad-ntp-interaction-with-clock.patch
queue-2.6.25/uml-physical-memory-shouldn-t-include-initial-stack.patch
queue-2.6.25/uml-track-and-make-up-lost-ticks.patch
queue-2.6.25/uml-missed-kmalloc-in-pcap_user.c.patch
queue-2.6.25/uml-deal-with-host-time-going-backwards.patch
queue-2.6.25/uml-deal-with-inaccessible-address-space-start.patch
queue-2.6.25/uml-missing-export-of-csum_partial-on-uml-amd64.patch
queue-2.6.25/uml-memcpy-export-needs-to-follow-host-declaration.patch
queue-2.6.25/uml-stub-needs-to-tolerate-sigwinch.patch
queue-2.6.25/uml-work-around-broken-host-ptrace_sysemu.patch
queue-2.6.25/uml-fix-gcc-ices-and-unresolved-externs.patch
queue-2.6.25/uml-fix-boot-crash.patch
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