From 4f4acc9472e54ce702f1d85fc9e6d57767dec91f Mon Sep 17 00:00:00 2001
From: Helge Deller <deller@gmx.de>
Date: Wed, 30 Mar 2016 14:11:50 +0200
Subject: [PATCH] parisc: Fix SIGSYS signals in compat case
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v4.5
---
arch/parisc/include/asm/compat.h | 7 +++++++
arch/parisc/kernel/signal32.c | 5 +++++
2 files changed, 12 insertions(+)
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 0448a2c8eafbc..3387307cc33e1 100644
--- 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;
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 984abbee71ca2..c342b2e17492e 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -371,6 +371,11 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
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;
--
GitLab