The patch titled
s390: alternate signal stack handling bug
has been removed from the -mm tree. Its filename is
s390-alternate-signal-stack-handling-bug.patch
This patch was probably dropped from -mm because
it has now been merged into a subsystem tree or
into Linus's tree, or because it was folded into
its parent patch in the -mm tree.
From: Laurent Meyer <meyerlau@xxxxxxxxxx>
If a signal handler has been established with the SA_ONSTACK option but no
alternate stack is provided with sigaltstack(), the kernel still tries to
install the alternate stack. Also when setting an alternate stack with
sigalstack() and the SS_DISABLE flag, the kernel tries to install the
alternate stack on signal delivery. Use the correct conditions sas_ss_flags()
to check if the alternate stack has to be used.
Signed-off-by: Laurent Meyer <meyerlau@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/s390/kernel/compat_signal.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/s390/kernel/compat_signal.c~s390-alternate-signal-stack-handling-bug arch/s390/kernel/compat_signal.c
--- devel/arch/s390/kernel/compat_signal.c~s390-alternate-signal-stack-handling-bug 2006-04-27 18:39:05.000000000 -0700
+++ devel-akpm/arch/s390/kernel/compat_signal.c 2006-04-27 18:39:05.000000000 -0700
@@ -430,7 +430,7 @@ get_sigframe(struct k_sigaction *ka, str
/* This is the X/Open sanctioned signal stack switching. */
if (ka->sa.sa_flags & SA_ONSTACK) {
- if (! on_sig_stack(sp))
+ if (! sas_ss_flags(sp))
sp = current->sas_ss_sp + current->sas_ss_size;
}
_
Patches currently in -mm which might be from meyerlau@xxxxxxxxxx are
origin.patch
fix-incorrect-sa_onstack-behaviour-for-64-bit-processes.patch
-
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