// SPDX-License-Identifier: GPL-2.0-or-later
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "vas-api.h"
#include "utils.h"
static bool faulted;
static void sigbus_handler(int n, siginfo_t *info, void *ctxt_v)
{
ucontext_t *ctxt = (ucontext_t *)ctxt_v;
struct pt_regs *regs = ctxt->uc_mcontext.regs;
faulted = true ;
regs->nip += 4 ;
}
static int test_ra_error(void )
{
struct vas_tx_win_open_attr attr;
int fd, *paste_addr;
char *devname = "/dev/crypto/nx-gzip" ;
struct sigaction act = {
.sa_sigaction = sigbus_handler,
.sa_flags = SA_SIGINFO,
};
memset(&attr, 0 , sizeof (attr));
attr.version = 1 ;
attr.vas_id = 0 ;
SKIP_IF(access(devname, F_OK));
fd = open(devname, O_RDWR);
FAIL_IF(fd < 0 );
FAIL_IF(ioctl(fd, VAS_TX_WIN_OPEN, &attr) < 0 );
FAIL_IF(sigaction(SIGBUS, &act, NULL) != 0 );
paste_addr = mmap(NULL, 4096 , PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 ULL);
/* The following assignment triggers exception */
mb();
*paste_addr = 1 ;
mb();
FAIL_IF(!faulted);
return 0 ;
}
int main(void )
{
return test_harness(test_ra_error, "inject-ra-err" );
}
Messung V0.5 in Prozent C=95 H=92 G=93
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-06-08)
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