From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Tue, 6 Jul 2021 14:41:28 +0000 (+0200)
Subject: tmpfiles: fix borked assert
X-Git-Tag: v249~10
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b4b0f87c6275dde32769c2e75231caa1d4c21f9b;p=thirdparty%2Fsystemd.git

tmpfiles: fix borked assert

It seems that fd_set_perms() is always called after checking that
fd >= 0 (also when called as action() in glob_item_recursively()),
so it seems that the assertion really came from fd==0.

Fixes #20140.

Also three other similar cases are updated.
---

diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index 9ffe7847958..7e85c506348 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -883,7 +883,7 @@ static int fd_set_perms(Item *i, int fd, const char *path, const struct stat *st
         int r;
 
         assert(i);
-        assert(fd);
+        assert(fd >= 0);
         assert(path);
 
         if (!i->mode_set && !i->uid_set && !i->gid_set)
@@ -1067,7 +1067,7 @@ static int fd_set_xattrs(Item *i, int fd, const char *path, const struct stat *s
         char **name, **value;
 
         assert(i);
-        assert(fd);
+        assert(fd >= 0);
         assert(path);
 
         xsprintf(procfs_path, "/proc/self/fd/%i", fd);
@@ -1170,7 +1170,7 @@ static int fd_set_acls(Item *item, int fd, const char *path, const struct stat *
         struct stat stbuf;
 
         assert(item);
-        assert(fd);
+        assert(fd >= 0);
         assert(path);
 
         if (!st) {
@@ -1324,7 +1324,7 @@ static int fd_set_attribute(Item *item, int fd, const char *path, const struct s
         int r;
 
         assert(item);
-        assert(fd);
+        assert(fd >= 0);
         assert(path);
 
         if (!item->attribute_set || item->attribute_mask == 0)