From 3350a030ae967766591425fd7f75731498499ab8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martti=20Rannanj=C3=A4rvi?= <martti.rannanjarvi@dovecot.fi>
Date: Tue, 6 Mar 2018 13:27:17 +0200
Subject: [PATCH] master: Strip '\n' from suid_dumpable read buffer before
 str_to_uint()

---
 src/master/service-process.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/master/service-process.c b/src/master/service-process.c
index 968084bec3..2733daf00b 100644
--- a/src/master/service-process.c
+++ b/src/master/service-process.c
@@ -461,6 +461,8 @@ static bool linux_proc_fs_suid_is_dumpable(unsigned int *value_r)
 		*value_r = 0;
 	} else {
 		buf[ret] = '\0';
+		if (ret > 0 && buf[ret-1] == '\n')
+			buf[ret-1] = '\0';
 		if (str_to_uint(buf, value_r) < 0)
 			*value_r = 0;
 	}