Accept the whole range of pids

pam_wrapper-1.1.3-pid.patch

@@ -0,0 +1,41 @@
+From 3508ad2704103e863fca8c45ecda25021850befc Mon Sep 17 00:00:00 2001
+From: Jakub Jelen <jjelen@redhat.com>
+Date: Thu, 24 Jun 2021 10:24:31 +0200
+Subject: [PATCH] Accept whole range of supported pids
+
+Signed-off-by: Jakub Jelen <jjelen@redhat.com>
+Reviewed-by: Samuel Cabrero <scabrero@samba.org>
+Reviewed-by: Andreas Schneider <asn@samba.org>
+---
+ src/pam_wrapper.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/src/pam_wrapper.c b/src/pam_wrapper.c
+index 6801d7b..efa7cbb 100644
+--- a/src/pam_wrapper.c
++++ b/src/pam_wrapper.c
+@@ -791,14 +791,20 @@ static void pwrap_clean_stale_dirs(const char *dir)
+ 	buf[sizeof(buf) - 1] = '\0';
+ 
+ 	tmp = strtol(buf, NULL, 10);
+-	if (tmp == 0 || tmp > 0xFFFF || errno == ERANGE) {
++	if (tmp == 0 || errno == ERANGE) {
+ 		PWRAP_LOG(PWRAP_LOG_ERROR,
+ 			  "Failed to parse pid, buf=%s",
+ 			  buf);
+ 		return;
+ 	}
+ 
+-	pid = (pid_t)(tmp & 0xFFFF);
++	pid = (pid_t)tmp;
++	/* Check if we are out of pid_t range on this system */
++	if ((long)pid != tmp) {
++		PWRAP_LOG(PWRAP_LOG_ERROR,
++			  "pid out of range: %ld", tmp);
++		return;
++	}
+ 
+ 	rc = kill(pid, 0);
+ 	if (rc == -1) {
+-- 
+GitLab

pam_wrapper.spec

@@ -1,6 +1,6 @@
 Name:           pam_wrapper
 Version:        1.1.3
-Release:        8%{?dist}
+Release:        9%{?dist}
 
 Summary:        A tool to test PAM applications and PAM modules
 License:        GPLv3+
@@ -9,6 +9,7 @@ Url:            http://cwrap.org/
 Source0:        https://ftp.samba.org/pub/cwrap/%{name}-%{version}.tar.gz
 Source1:        https://ftp.samba.org/pub/cwrap/%{name}-%{version}.tar.gz.asc
 Source2:        pam_wrapper.keyring
+Patch1:		pam_wrapper-1.1.3-pid.patch
 
 BuildRequires:  gcc
 BuildRequires:  gnupg2
@@ -138,6 +139,9 @@ gpgv2 --quiet --keyring %{SOURCE2} %{SOURCE1} %{SOURCE0}
 %{python3_sitearch}/pypamtest.so
 
 %changelog
+* Wed Sep 15 2021 Jakub Jelen <jjelen@redhat.com> - 1.1.3-9
+- Fix PID range as reported in #1881377
+
 * Thu Jul 22 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.3-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild