linux-kernel - [PATCH 10/14] uml: stub needs to tolerate SIGWINCH

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Date:	Fri, 1 Aug 2008 18:41:33 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	stable@...nel.org
Cc:	LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>,
	Benedict Verheyen <benedict.verheyen@...il.com>
Subject: [PATCH 10/14] uml: stub needs to tolerate SIGWINCH

>From b4783df9f0fefe1af0b828748b8abe39ada65652 Mon Sep 17 00:00:00 2001

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>
---
 arch/um/os-Linux/skas/process.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 1e8cba6..2328098 100644
--- 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)
-- 
1.5.5.1

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