linux-kernel - [REVIEW][PATCH 24/26] signal: Generate the siginfo in force

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Date:   Wed, 22 May 2019 19:39:14 -0500
From:   "Eric W. Biederman" <ebiederm@...ssion.com>
To:     linux-kernel@...r.kernel.org
Cc:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linux Containers <containers@...ts.linux-foundation.org>,
        Oleg Nesterov <oleg@...hat.com>, linux-arch@...r.kernel.org
Subject: [REVIEW][PATCH 24/26] signal: Generate the siginfo in force_sig

In preparation for removing the special case in force_sig_info for
only having a signal number generate an appropriate siginfo in
force_sig the last caller of force_sig_info that does not
pass a filled out siginfo.

Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 kernel/signal.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 0da35880261e..d5f9ed5da9c5 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1605,7 +1605,15 @@ EXPORT_SYMBOL(send_sig);
 
 void force_sig(int sig)
 {
-	force_sig_info(sig, SEND_SIG_PRIV, current);
+	struct kernel_siginfo info;
+
+	clear_siginfo(&info);
+	info.si_signo = sig;
+	info.si_errno = 0;
+	info.si_code = SI_KERNEL;
+	info.si_pid = 0;
+	info.si_uid = 0;
+	force_sig_info(info.si_signo, &info, current);
 }
 EXPORT_SYMBOL(force_sig);
 
-- 
2.21.0