Hi!
> Using LLONG_MAX as maximum can fail on XFS, because here the maximum
> file size is 2^63-1, so this test may unexpectedly succeed.
I've found this failure on ext3 on SLES as well and tested that the
patch fixes the problem.
> ---
> testcases/kernel/syscalls/truncate/truncate03.c | 18 +++++++++++++++++-
> 1 files changed, 17 insertions(+), 1 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/truncate/truncate03.c
> b/testcases/kernel/syscalls/truncate/truncate03.c
> index ed5073d..54b7d3c 100644
> --- a/testcases/kernel/syscalls/truncate/truncate03.c
> +++ b/testcases/kernel/syscalls/truncate/truncate03.c
> @@ -50,6 +50,7 @@
> #include <string.h>
> #include <signal.h>
> #include <pwd.h>
> +#include <sys/resource.h>
>
> #include "test.h"
> #include "usctest.h"
> @@ -65,6 +66,7 @@
> #define NEW_MODE S_IRUSR | S_IRGRP | S_IROTH
> #define DIR_MODE S_IRWXU
> #define TRUNC_LEN 256
> +#define MAX_FSIZE (16*1024*1024)
>
> static char long_pathname[PATH_MAX + 2];
>
> @@ -82,7 +84,7 @@ static struct test_case_t {
> { long_pathname, TRUNC_LEN, ENAMETOOLONG },
> { "", TRUNC_LEN, ENOENT },
> { TEST_DIR1, TRUNC_LEN, EISDIR },
> - { TEST_FILE3, LLONG_MAX, EFBIG },
> + { TEST_FILE3, MAX_FSIZE*2, EFBIG },
> { TEST_SYM1, TRUNC_LEN, ELOOP }
> };
>
> @@ -124,6 +126,8 @@ void setup(void)
> {
> struct passwd *ltpuser;
> char *bad_addr;
> + struct rlimit rlim;
> + sigset_t sigset;
>
> tst_sig(NOFORK, DEF_HANDLER, cleanup);
>
> @@ -156,6 +160,18 @@ void setup(void)
>
> SAFE_SYMLINK(cleanup, TEST_SYM1, TEST_SYM2);
> SAFE_SYMLINK(cleanup, TEST_SYM2, TEST_SYM1);
> +
> + rlim.rlim_cur = MAX_FSIZE;
> + rlim.rlim_max = MAX_FSIZE;
> + TEST(setrlimit(RLIMIT_FSIZE, &rlim));
> + if (TEST_RETURN != 0)
> + tst_brkm(TBROK | TTERRNO, cleanup, "setrlimit");
We have SAFE_SETRLIMIT() but that is merely cometic change.
Otherwise it's acked and tested, and as it fixes testcase regression it
should go in before the release.
--
Cyril Hrubis
chru...@suse.cz
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