[LTP] [PATCH v5 4/8] syscalls/mknod04: Convert to new API

Petr Vorel pvorel@suse.cz
Fri Jun 6 13:27:20 CEST 2025


Hi Ricardo,

...
> -#define MODE_RWX	S_IFIFO | S_IRWXU | S_IRWXG | S_IRWXO

Similarly, to what I noted to mknod03.c in v4:
https://lore.kernel.org/ltp/20250605073231.GC1190804@pevik/

Originally here was also S_IFIFO (used for both mkdir() and mknod()). Although
the tests "works" IMHO we should use mknod() with S_IFIFO (and I believe it's
not needed for mkdir().

> -#define MODE_SGID       S_IFIFO | S_ISGID | S_IRWXU | S_IRWXG | S_IRWXO

> +#define MODE_RWX 0777
But you omit it.

> +#define MODE_SGID (S_ISGID | 0777)
...
> -		/*
> -		 * TEST CASE CONDITION:
> -		 *  Attempt to create a filesystem node on a directory
> -		 *  with group id (sgid) bit set such that,
> -		 *  the node created by mknod(2) should not have group id
> -		 *  (sgid) bit set and node's gid should be equal to the
> -		 *  effective gid of the process.
> -		 */
> -		TEST(mknod(node_name, MODE_RWX, 0));
> +	SAFE_MKNOD(TEMP_NODE, MODE_RWX, 0);

I vote for following diff (no need to repost).

Kind regards,
Petr

+++ testcases/kernel/syscalls/mknod/mknod04.c
@@ -17,6 +17,7 @@
 #include "tst_test.h"
 
 #define MODE_RWX 0777
+#define MODE_FIFO (S_IFIFO | 0777)
 #define MODE_SGID (S_ISGID | 0777)
 
 #define TEMP_DIR "testdir"
@@ -29,7 +30,7 @@ static void run(void)
 {
 	struct stat buf;
 
-	SAFE_MKNOD(TEMP_NODE, MODE_RWX, 0);
+	SAFE_MKNOD(TEMP_NODE, MODE_FIFO, 0);
 
 	SAFE_STAT(TEMP_NODE, &buf);
 	TST_EXP_EQ_LI(buf.st_mode & S_ISGID, 0);


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