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