tree 512f82531228094f6c8696296f36304a4a4e7049
parent 26ff6ad9786abf6f40a6d3cbb89753b4fa50cb00
author Peter Oberparleiter <peter.oberparleiter@de.ibm.com> 1126924062 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> 1126982999 -0700

[PATCH] s390: kernel stack corruption

When an asynchronous interruption occurs during the execution of the
'critical section' within the generic interruption handling code (entry.S),
a faulty check for a userspace PSW may result in a corrupted kernel stack
pointer which subsequently triggers a stack overflow check.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>