This is a note to let you know that I've just added the patch titled
parisc: Fix SIGSYS signals in compat case
to the 4.5-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:
parisc-fix-sigsys-signals-in-compat-case.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4f4acc9472e54ce702f1d85fc9e6d57767dec91f Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@xxxxxx>
Date: Wed, 30 Mar 2016 14:11:50 +0200
Subject: parisc: Fix SIGSYS signals in compat case
From: Helge Deller <deller@xxxxxx>
commit 4f4acc9472e54ce702f1d85fc9e6d57767dec91f upstream.
Signed-off-by: Helge Deller <deller@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/parisc/include/asm/compat.h | 7 +++++++
arch/parisc/kernel/signal32.c | 5 +++++
2 files changed, 12 insertions(+)
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -183,6 +183,13 @@ typedef struct compat_siginfo {
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
+
+ /* SIGSYS */
+ struct {
+ compat_uptr_t _call_addr; /* calling user insn */
+ int _syscall; /* triggering system call number */
+ compat_uint_t _arch; /* AUDIT_ARCH_* of syscall */
+ } _sigsys;
} _sifields;
} compat_siginfo_t;
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -371,6 +371,11 @@ copy_siginfo_to_user32 (compat_siginfo_t
val = (compat_int_t)from->si_int;
err |= __put_user(val, &to->si_int);
break;
+ case __SI_SYS >> 16:
+ err |= __put_user(ptr_to_compat(from->si_call_addr), &to->si_call_addr);
+ err |= __put_user(from->si_syscall, &to->si_syscall);
+ err |= __put_user(from->si_arch, &to->si_arch);
+ break;
}
}
return err;
Patches currently in stable-queue which might be from deller@xxxxxx are
queue-4.5/parisc-fix-kernel-crash-with-reversed-copy_from_user.patch
queue-4.5/parisc-unbreak-handling-exceptions-from-kernel-modules.patch
queue-4.5/parisc-avoid-function-pointers-for-kernel-exception-routines.patch
queue-4.5/parisc-fix-and-enable-seccomp-filter-support.patch
queue-4.5/parisc-fix-sigsys-signals-in-compat-case.patch
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