2008-06-03 19:04:38

by Jeff Dike

[permalink] [raw]
Subject: [PATCH 5/6] UML - stub needs to tolerate SIGWINCH

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

Cc: Benedict Verheyen <[email protected]>
Signed-off-by: Jeff Dike <[email protected]>
---
arch/um/os-Linux/skas/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.22/arch/um/os-Linux/skas/process.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/skas/process.c 2008-04-14 10:44:33.000000000 -0400
+++ linux-2.6.22/arch/um/os-Linux/skas/process.c 2008-05-13 11:37:35.000000000 -0400
@@ -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)