Patch "sparc32: Fix inverted invalid_frame_pointer checks on sigreturns" has been added to the 4.4-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
sparc32: Fix inverted invalid_frame_pointer checks on sigreturns
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
sparc32-fix-inverted-invalid_frame_pointer-checks-on-sigreturns.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From foo@baz Thu Dec 8 07:19:49 CET 2016
From: Andreas Larsson <[email protected]>
Date: Wed, 9 Nov 2016 10:43:05 +0100
Subject: sparc32: Fix inverted invalid_frame_pointer checks on sigreturns
From: Andreas Larsson <[email protected]>
[ Upstream commit 07b5ab3f71d318e52c18cc3b73c1d44c908aacfa ]
--- arch/sparc/kernel/signal_32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
arch/sparc/kernel/signal_32.c +2 -2
@@ -89,7 +89,7 @@ asmlinkage void do_sigreturn(struct pt_r sf = (struct signal_frame __user *) regs->u_regs[UREG_FP ];/* 1. Make sure we are not getting garbage from the user */ -if (!invalid_frame_pointer (sf,sizeof (*sf))) +if (invalid_frame_pointer (sf,sizeof (*sf))) goto segv_and_exit;if (get_user (ufp, &sf->info.si_regs.u_regs[UREG_FP ]))
@@ -150,7 +150,7 @@ asmlinkage void do_rt_sigreturn(struct psynchronize_user_stack (); sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP ]; -if (!invalid_frame_pointer (sf,sizeof (*sf))) +if (invalid_frame_pointer (sf,sizeof (*sf))) goto segv;if (get_user (ufp, &sf->regs.u_regs[UREG_FP ]))
Patches currently in stable-queue which might be from [email protected] are
queue-4.4/sparc32-fix-inverted-invalid_frame_pointer-checks-on-sigreturns.patch