From: Martti Rannanjärvi <martti.rannanjarvi@dovecot.fi>
Date: Tue, 6 Mar 2018 11:27:17 +0000 (+0200)
Subject: master: Strip '\n' from suid_dumpable read buffer before str_to_uint()
X-Git-Tag: 2.3.9~2168
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3350a030ae967766591425fd7f75731498499ab8;p=thirdparty%2Fdovecot%2Fcore.git

master: Strip '\n' from suid_dumpable read buffer before str_to_uint()
---

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;
 	}