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set_robust_list: Add error check

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set_robust_list is not supported by McKernel.

Change-Id: I1f679e2e4df24139cceb1f2294bc072cb7956002
Refs: 1399
This commit is contained in:
Ken Sato
2020-07-02 08:58:29 +09:00
committed by Masamichi Takagi
parent ebc91cea0e
commit b44b11ace7
7 changed files with 155 additions and 1 deletions
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36
test/issues/1399/C1399T01.c Normal file
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#include <stdio.h>
#include <unistd.h>
#include <linux/futex.h>
#include <syscall.h>
#include <errno.h>
int main(int argc, void *argv[])
{
struct robust_list_head rlh;
size_t len = sizeof(struct robust_list_head);
int rc = 0, ret = 0;
errno = 0;
rc = syscall(__NR_set_robust_list, &rlh, len + 1);
if (rc == -1 && errno == EINVAL) {
printf("[OK] invalid len (1 greater than correct): EINVAL\n");
} else {
printf("[NG] invalid len (1 greater than correct): Succeed\n");
ret = -1;
goto out;
}
errno = 0;
rc = syscall(__NR_set_robust_list, &rlh, len - 1);
if (rc == -1 && errno == EINVAL) {
printf("[OK] invalid len (1 less than correct): EINVAL\n");
} else {
printf("[NG] invalid len (1 less than correct): Succeed\n");
ret = -1;
goto out;
}
out:
return ret;
}