diff options
Diffstat (limited to 'testcases/kernel/syscalls/mmap')
| -rw-r--r-- | testcases/kernel/syscalls/mmap/.gitignore | 2 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap02.c | 204 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap05.c | 220 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap06.c | 176 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap07.c | 146 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap08.c | 155 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap17.c | 1 | ||||
| -rw-r--r-- | testcases/kernel/syscalls/mmap/mmap20.c | 64 |
8 files changed, 246 insertions, 722 deletions
diff --git a/testcases/kernel/syscalls/mmap/.gitignore b/testcases/kernel/syscalls/mmap/.gitignore index 8811226be..4591fdbb9 100644 --- a/testcases/kernel/syscalls/mmap/.gitignore +++ b/testcases/kernel/syscalls/mmap/.gitignore @@ -5,7 +5,6 @@ /mmap04 /mmap05 /mmap06 -/mmap07 /mmap08 /mmap09 /mmap10 @@ -18,3 +17,4 @@ /mmap17 /mmap18 /mmap19 +/mmap20 diff --git a/testcases/kernel/syscalls/mmap/mmap02.c b/testcases/kernel/syscalls/mmap/mmap02.c index 566cc323a..7ffe61fa3 100644 --- a/testcases/kernel/syscalls/mmap/mmap02.c +++ b/testcases/kernel/syscalls/mmap/mmap02.c @@ -1,186 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * 07/2001 Ported by Wayne Boyer + * Copyright (c) 2023 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com> */ -/* - * Test Description: - * Call mmap() with prot parameter set to PROT_READ and with the file - * descriptor being open for read, to map a file creating mapped memory - * with read access. The minimum file permissions should be 0444. - * - * The call should succeed to create the mapped region with required - * attributes. +/*\ + * [Description] * - * Expected Result: - * mmap() should succeed returning the address of the mapped region, - * the mapped region should contain the contents of the mapped file. - * - * HISTORY - * 07/2001 Ported by Wayne Boyer + * Verify that, mmap() call with PROT_READ and a file descriptor which is + * open for read only, succeeds to map a file creating mapped memory with + * read access. */ -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/mman.h> - -#include "test.h" -#define TEMPFILE "mmapfile" - -char *TCID = "mmap02"; -int TST_TOTAL = 1; +#include <stdlib.h> +#include "tst_test.h" +#define TEMPFILE "mmapfile" +static ssize_t page_sz; +static int fd; static char *addr; -static char *dummy; -static size_t page_sz; -static int fildes; - -static void setup(void); -static void cleanup(void); - -int main(int ac, char **av) -{ - int lc; - - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - for (lc = 0; TEST_LOOPING(lc); lc++) { - - tst_count = 0; - - /* - * Call mmap to map the temporary file 'TEMPFILE' - * with read access. - */ - errno = 0; - addr = mmap(0, page_sz, PROT_READ, - MAP_FILE | MAP_SHARED, fildes, 0); - - /* Check for the return value of mmap() */ - if (addr == MAP_FAILED) { - tst_resm(TFAIL | TERRNO, "mmap of %s failed", TEMPFILE); - continue; - } - - /* - * Read the file contents into the dummy - * string. - */ - if (read(fildes, dummy, page_sz) < 0) { - tst_brkm(TFAIL | TERRNO, cleanup, - "reading %s failed", TEMPFILE); - } - - /* - * Check whether mapped memory region has - * the file contents. - */ - if (memcmp(dummy, addr, page_sz)) { - tst_resm(TFAIL, "mapped memory area contains " - "invalid data"); - } else { - tst_resm(TPASS, - "Functionality of mmap() successful"); - } - - /* Clean up things in case we are looping */ - /* Unmap the mapped memory */ - if (munmap(addr, page_sz) != 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "munmapping failed"); - } - } - - cleanup(); - tst_exit(); -} +static char *buf; static void setup(void) { - char *tst_buff; - - tst_sig(FORK, DEF_HANDLER, cleanup); - - TEST_PAUSE; - page_sz = getpagesize(); + buf = SAFE_MALLOC(page_sz); + memset(buf, 'A', page_sz); - /* Allocate space for the test buffer */ - if ((tst_buff = calloc(page_sz, sizeof(char))) == NULL) { - tst_brkm(TFAIL, NULL, "calloc failed (tst_buff)"); - } - - /* Fill the test buffer with the known data */ - memset(tst_buff, 'A', page_sz); + fd = SAFE_OPEN(TEMPFILE, O_RDWR | O_CREAT, 0666); + SAFE_WRITE(SAFE_WRITE_ALL, fd, buf, page_sz); - tst_tmpdir(); - - /* Creat a temporary file used for mapping */ - if ((fildes = open(TEMPFILE, O_RDWR | O_CREAT, 0666)) < 0) { - free(tst_buff); - tst_brkm(TFAIL | TERRNO, cleanup, "opening %s failed", - TEMPFILE); - } - - /* Write test buffer contents into temporary file */ - if (write(fildes, tst_buff, page_sz) < (int)page_sz) { - free(tst_buff); - tst_brkm(TFAIL | TERRNO, cleanup, - "writing to %s failed", TEMPFILE); - } - - /* Free the memory allocated for test buffer */ - free(tst_buff); - - /* Change Mode permissions on Temporary file */ - if (fchmod(fildes, 0444) < 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "fchmod(%s, 0444) failed", - TEMPFILE); - } - - /* Close the temporary file */ - if (close(fildes) < 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "closing %s failed", - TEMPFILE); - } + SAFE_FCHMOD(fd, 0444); + SAFE_CLOSE(fd); + fd = SAFE_OPEN(TEMPFILE, O_RDONLY); +} - /* Open the temporary file again, - Readonly mode */ - if ((fildes = open(TEMPFILE, O_RDONLY)) < 0) { - tst_brkm(TFAIL, cleanup, "reopening %s readonly failed", - TEMPFILE); - } +static void run(void) +{ + addr = SAFE_MMAP(NULL, page_sz, PROT_READ, MAP_FILE | MAP_SHARED, fd, 0); - /* Allocate and initialize dummy string of system page size bytes */ - if ((dummy = calloc(page_sz, sizeof(char))) == NULL) { - tst_brkm(TFAIL, cleanup, "calloc failed (dummy)"); - } + if (memcmp(buf, addr, page_sz) == 0) + tst_res(TPASS, "mmap() functionality successful"); + else + tst_res(TFAIL, "mapped memory area contains invalid data"); + SAFE_MUNMAP(addr, page_sz); } static void cleanup(void) { - close(fildes); - free(dummy); - tst_rmdir(); + if (fd > 0) + SAFE_CLOSE(fd); + + free(buf); } + +static struct tst_test test = { + .setup = setup, + .cleanup = cleanup, + .test_all = run, + .needs_tmpdir = 1 +}; diff --git a/testcases/kernel/syscalls/mmap/mmap05.c b/testcases/kernel/syscalls/mmap/mmap05.c index 82f122543..7abddaa9e 100644 --- a/testcases/kernel/syscalls/mmap/mmap05.c +++ b/testcases/kernel/syscalls/mmap/mmap05.c @@ -1,205 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * 07/2001 Ported by Wayne Boyer + * Copyright (c) 2023 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com> */ -/* - * Test Description: - * Call mmap() to map a file creating mapped memory with no access under - * the following conditions - - * - The prot parameter is set to PROT_NONE - * - The file descriptor is open for read(any mode other than write) - * - The minimum file permissions should be 0444. - * - * The call should succeed to map the file creating mapped memory with the - * required attributes. - * - * Expected Result: - * mmap() should succeed returning the address of the mapped region, - * and an attempt to access the contents of the mapped region should give - * rise to the signal SIGSEGV. +/*\ + * [Description] * - * HISTORY - * 07/2001 Ported by Wayne Boyer + * Verify that, mmap() call with 'PROT_NONE' and a file descriptor which is + * open for read and write, succeeds to map the file creating mapped memory, + * but any attempt to access the contents of the mapped region causes the + * SIGSEGV signal. */ -#include <stdio.h> + #include <stdlib.h> -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/mman.h> #include <setjmp.h> +#include "tst_test.h" -#include "test.h" - -#define TEMPFILE "mmapfile" - -char *TCID = "mmap05"; -int TST_TOTAL = 1; - +#define TEMPFILE "mmapfile" static size_t page_sz; static volatile char *addr; -static int fildes; -static volatile int pass = 0; +static int fd; +static volatile int sig_flag; static sigjmp_buf env; -static void setup(void); -static void cleanup(void); -static void sig_handler(int sig); - -int main(int ac, char **av) +static void sig_handler(int sig) { - int lc; - char file_content; - - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - for (lc = 0; TEST_LOOPING(lc); lc++) { - - tst_count = 0; - - /* - * Call mmap to map the temporary file 'TEMPFILE' - * with no access. - */ - errno = 0; - addr = mmap(0, page_sz, PROT_NONE, - MAP_FILE | MAP_SHARED, fildes, 0); - TEST_ERRNO = errno; - - /* Check for the return value of mmap() */ - if (addr == MAP_FAILED) { - tst_resm(TFAIL | TERRNO, "mmap() failed on %s", - TEMPFILE); - continue; - } - - /* - * Try to access the mapped region. This should - * generate a SIGSEGV which will be caught below. - * - * This is wrapped by the sigsetjmp() call that will - * take care of restoring the program's context in an - * elegant way in conjunction with the call to - * siglongjmp() in the signal handler. - */ - if (sigsetjmp(env, 1) == 0) { - file_content = addr[0]; - } - - if (pass) { - tst_resm(TPASS, "Got SIGSEGV as expected"); - } else { - tst_resm(TFAIL, "Mapped memory region with NO " - "access is accessible"); - } - - /* Unmap mapped memory and reset pass in case we are looping */ - if (munmap((void *)addr, page_sz) != 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "munmap failed"); - } - pass = 0; - + if (sig == SIGSEGV) { + sig_flag = 1; + siglongjmp(env, 1); } - - cleanup(); - tst_exit(); } static void setup(void) { - char *tst_buff; - - tst_sig(NOFORK, sig_handler, cleanup); + char *buf; - TEST_PAUSE; + SAFE_SIGNAL(SIGSEGV, sig_handler); page_sz = getpagesize(); + buf = SAFE_MALLOC(page_sz); + memset(buf, 'A', page_sz); - /* Allocate space for the test buffer */ - if ((tst_buff = calloc(page_sz, sizeof(char))) == NULL) { - tst_brkm(TFAIL, NULL, "calloc failed (tst_buff)"); - } - - /* Fill the test buffer with the known data */ - memset(tst_buff, 'A', page_sz); - - tst_tmpdir(); - - /* Creat a temporary file used for mapping */ - if ((fildes = open(TEMPFILE, O_WRONLY | O_CREAT, 0666)) < 0) { - free(tst_buff); - tst_brkm(TFAIL | TERRNO, cleanup, "opening %s failed", - TEMPFILE); - } + fd = SAFE_OPEN(TEMPFILE, O_RDWR | O_CREAT, 0666); + SAFE_WRITE(SAFE_WRITE_ALL, fd, buf, page_sz); + free(buf); +} - /* Write test buffer contents into temporary file */ - if (write(fildes, tst_buff, page_sz) != (int)page_sz) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "writing to %s failed", TEMPFILE); +static void run(void) +{ + addr = mmap(NULL, page_sz, PROT_NONE, MAP_FILE | MAP_SHARED, fd, 0); + if (addr == MAP_FAILED) { + tst_res(TFAIL | TERRNO, "mmap() of %s failed", TEMPFILE); + return; } - /* Free the memory allocated for test buffer */ - free(tst_buff); + if (sigsetjmp(env, 1) == 0) + tst_res(TINFO, "Trying to access mapped region: %c", addr[0]); - /* Make sure proper permissions set on file */ - if (fchmod(fildes, 0444) < 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "fchmod of %s failed", - TEMPFILE); - } + if (sig_flag) + tst_res(TPASS, "Received SIGSEGV signal as expected"); + else + tst_res(TFAIL, "SIGSEGV signal not received"); - /* Close the temporary file opened for write */ - if (close(fildes) < 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "closing %s failed", - TEMPFILE); - } + SAFE_MUNMAP((char *)addr, page_sz); - /* Open the temporary file again for reading */ - if ((fildes = open(TEMPFILE, O_RDONLY)) < 0) { - tst_brkm(TFAIL | TERRNO, cleanup, "opening %s readonly failed", - TEMPFILE); - } -} - -/* - * sig_handler() - Signal Catching function. - * This function gets executed when the test process receives - * the signal SIGSEGV while trying to access the contents of memory which - * is not accessible. - */ -static void sig_handler(int sig) -{ - if (sig == SIGSEGV) { - /* set the global variable and jump back */ - pass = 1; - siglongjmp(env, 1); - } else { - tst_brkm(TBROK, cleanup, "received an unexpected signal: %d", - sig); - } + sig_flag = 0; } static void cleanup(void) { - close(fildes); - tst_rmdir(); + if (fd > 0) + SAFE_CLOSE(fd); } + +static struct tst_test test = { + .setup = setup, + .cleanup = cleanup, + .test_all = run, + .needs_tmpdir = 1 +}; diff --git a/testcases/kernel/syscalls/mmap/mmap06.c b/testcases/kernel/syscalls/mmap/mmap06.c index fb7c49257..615743fa7 100644 --- a/testcases/kernel/syscalls/mmap/mmap06.c +++ b/testcases/kernel/syscalls/mmap/mmap06.c @@ -1,143 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * 07/2001 Ported by Wayne Boyer + * Copyright (c) 2023 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com> */ -/* - * Test Description: - * Call mmap() to map a file creating a mapped region with read access - * under the following conditions - - * - The prot parameter is set to PROT_READ - * - The file descriptor is open for writing. +/*\ + * [Description] * - * The call should fail to map the file. + * Verify that, mmap() call fails with errno: * - * Expected Result: - * mmap() should fail returning -1 and errno should get set to EACCES. - * - * HISTORY - * 07/2001 Ported by Wayne Boyer + * - EACCES, when a file mapping is requested but the file descriptor is not open for reading. + * - EINVAL, when length argument is 0. + * - EINVAL, when flags contains none of MAP_PRIVATE, MAP_SHARED, or MAP_SHARED_VALIDATE. */ -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/mman.h> - -#include "test.h" - -#define TEMPFILE "mmapfile" -char *TCID = "mmap06"; -int TST_TOTAL = 1; +#include <stdlib.h> +#include "tst_test.h" +#define MMAPSIZE 1024 +#define TEMPFILE "mmapfile" static size_t page_sz; -static char *addr; -static int fildes; - -static void setup(void); -static void cleanup(void); - -int main(int ac, char **av) -{ - int lc; - - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - for (lc = 0; TEST_LOOPING(lc); lc++) { - - tst_count = 0; - - /* - * Call mmap to map the temporary file 'TEMPFILE' - * with read access. - */ - errno = 0; - addr = mmap(0, page_sz, PROT_READ, - MAP_FILE | MAP_SHARED, fildes, 0); - TEST_ERRNO = errno; - - /* Check for the return value of mmap() */ - if (addr != MAP_FAILED) { - tst_resm(TFAIL | TERRNO, - "mmap() returned invalid value, expected: %p", - MAP_FAILED); - /* Unmap the mapped memory */ - if (munmap(addr, page_sz) != 0) { - tst_resm(TBROK, "munmap() failed"); - cleanup(); - } - continue; - } - if (TEST_ERRNO == EACCES) { - tst_resm(TPASS, "mmap failed with EACCES"); - } else { - tst_resm(TFAIL | TERRNO, - "mmap failed with unexpected errno"); - } - } - cleanup(); - tst_exit(); - -} +static int fd; + +static struct tcase { + size_t length; + int prot; + int flags; + int exp_errno; +} tcases[] = { + {MMAPSIZE, PROT_WRITE, MAP_FILE | MAP_PRIVATE, EACCES}, + {MMAPSIZE, PROT_WRITE, MAP_FILE | MAP_SHARED, EACCES}, + {MMAPSIZE, PROT_READ, MAP_FILE | MAP_PRIVATE, EACCES}, + {MMAPSIZE, PROT_READ, MAP_FILE | MAP_SHARED, EACCES}, + {MMAPSIZE, PROT_READ | PROT_WRITE, MAP_FILE | MAP_PRIVATE, EACCES}, + {MMAPSIZE, PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, EACCES}, + {0, PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, EINVAL}, + {MMAPSIZE, PROT_READ | PROT_WRITE, MAP_FILE, EINVAL} +}; static void setup(void) { - char *tst_buff; - - tst_sig(NOFORK, DEF_HANDLER, cleanup); - - TEST_PAUSE; + char *buf; page_sz = getpagesize(); + buf = SAFE_MALLOC(page_sz); + memset(buf, 'A', page_sz); - /* Allocate space for the test buffer */ - if ((tst_buff = calloc(page_sz, sizeof(char))) == NULL) { - tst_brkm(TFAIL, NULL, "calloc() failed (tst_buff)"); - } + fd = SAFE_OPEN(TEMPFILE, O_WRONLY | O_CREAT, 0666); + SAFE_WRITE(SAFE_WRITE_ALL, fd, buf, page_sz); + free(buf); +} - /* Fill the test buffer with the known data */ - memset(tst_buff, 'A', page_sz); +static void run(unsigned int i) +{ + struct tcase *tc = &tcases[i]; - tst_tmpdir(); + TESTPTR(mmap(NULL, tc->length, tc->prot, tc->flags, fd, 0)); - /* Creat a temporary file used for mapping */ - if ((fildes = open(TEMPFILE, O_WRONLY | O_CREAT, 0666)) < 0) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "opening %s failed", TEMPFILE); + if (TST_RET_PTR != MAP_FAILED) { + tst_res(TFAIL, "mmap() was successful unexpectedly"); + SAFE_MUNMAP(TST_RET_PTR, MMAPSIZE); + } else if (TST_ERR == tc->exp_errno) { + tst_res(TPASS | TERRNO, "mmap() failed with"); + } else { + tst_res(TFAIL | TERRNO, "mmap() failed unexpectedly"); } - - /* Write test buffer contents into temporary file */ - if (write(fildes, tst_buff, page_sz) < (ssize_t)page_sz) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "writing to %s failed", TEMPFILE); - } - - free(tst_buff); } static void cleanup(void) { - close(fildes); - tst_rmdir(); + if (fd > 0) + SAFE_CLOSE(fd); } + +static struct tst_test test = { + .setup = setup, + .cleanup = cleanup, + .test = run, + .tcnt = ARRAY_SIZE(tcases), + .needs_tmpdir = 1 +}; diff --git a/testcases/kernel/syscalls/mmap/mmap07.c b/testcases/kernel/syscalls/mmap/mmap07.c deleted file mode 100644 index 682e527aa..000000000 --- a/testcases/kernel/syscalls/mmap/mmap07.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* - * Test Description: - * Call mmap() to map a file creating a mapped region with read access - * under the following conditions - - * - The prot parameter is set to PROT_WRITE - * - The file descriptor is open for writing. - * - The flags parameter has MAP_PRIVATE set. - * - * The call should fail to map the file. - * - * Expected Result: - * mmap() should fail returning -1 and errno should get set to EACCES. - * - * HISTORY - * 07/2001 Ported by Wayne Boyer - */ -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/mman.h> - -#include "test.h" - -#define TEMPFILE "mmapfile" - -char *TCID = "mmap07"; -int TST_TOTAL = 1; - -static size_t page_sz; -static char *addr; -static int fildes; - -static void setup(void); -static void cleanup(void); - -int main(int ac, char **av) -{ - int lc; - - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - for (lc = 0; TEST_LOOPING(lc); lc++) { - - tst_count = 0; - - /* - * Call mmap to map the temporary file 'TEMPFILE' - * with write access. - */ - errno = 0; - addr = mmap(0, page_sz, PROT_WRITE, - MAP_FILE | MAP_PRIVATE, fildes, 0); - TEST_ERRNO = errno; - - /* Check for the return value of mmap() */ - if (addr != MAP_FAILED) { - tst_resm(TFAIL | TERRNO, - "mmap() returned invalid value, expected: %p", - MAP_FAILED); - /* Unmap the mapped memory */ - if (munmap(addr, page_sz) != 0) { - tst_resm(TBROK, "munmap() failed"); - cleanup(); - } - continue; - } - if (TEST_ERRNO == EACCES) { - tst_resm(TPASS, "mmap failed with EACCES"); - } else { - tst_resm(TFAIL | TERRNO, - "mmap failed with unexpected errno"); - } - - } - cleanup(); - tst_exit(); - -} - -static void setup(void) -{ - char *tst_buff; - - tst_sig(NOFORK, DEF_HANDLER, cleanup); - - TEST_PAUSE; - - page_sz = getpagesize(); - - /* Allocate space for the test buffer */ - if ((tst_buff = calloc(page_sz, sizeof(char))) == NULL) { - tst_brkm(TFAIL, NULL, - "calloc() failed to allocate space for tst_buff"); - } - - /* Fill the test buffer with the known data */ - memset(tst_buff, 'A', page_sz); - - tst_tmpdir(); - - /* Creat a temporary file used for mapping */ - if ((fildes = open(TEMPFILE, O_WRONLY | O_CREAT, 0666)) < 0) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "open() on %s failed", TEMPFILE); - } - - /* Write test buffer contents into temporary file */ - if (write(fildes, tst_buff, page_sz) < (int)page_sz) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "writing to %s failed", TEMPFILE); - } - - free(tst_buff); -} - -static void cleanup(void) -{ - close(fildes); - tst_rmdir(); -} diff --git a/testcases/kernel/syscalls/mmap/mmap08.c b/testcases/kernel/syscalls/mmap/mmap08.c index f2daf45a3..5c9fd782c 100644 --- a/testcases/kernel/syscalls/mmap/mmap08.c +++ b/testcases/kernel/syscalls/mmap/mmap08.c @@ -1,142 +1,53 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) International Business Machines Corp., 2001 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * 07/2001 Ported by Wayne Boyer + * Copyright (c) 2023 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com> */ -/* - * Test Description: - * Verify that mmap() fails to map a file creating a mapped region - * when the file specified by file descriptor is not valid. - * - * Expected Result: - * mmap() should fail returning -1 and errno should get set to EBADF. +/*\ + * [Description] * - * HISTORY - * 07/2001 Ported by Wayne Boyer + * verify that, mmap() calls fails with errno EBADF when a file mapping + * is requested but the fd is not a valid file descriptor. */ -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/mman.h> - -#include "test.h" -#define TEMPFILE "mmapfile" - -char *TCID = "mmap08"; -int TST_TOTAL = 1; +#include <stdlib.h> +#include "tst_test.h" +#define TEMPFILE "mmapfile" static size_t page_sz; -static char *addr; -static int fildes; +static int fd; -static void setup(void); -static void cleanup(void); - -int main(int ac, char **av) +static void setup(void) { - int lc; - - tst_parse_opts(ac, av, NULL, NULL); - - setup(); - - for (lc = 0; TEST_LOOPING(lc); lc++) { - - tst_count = 0; - - /* - * Call mmap to map the temporary file 'TEMPFILE' - * which is already closed. so, fildes is not valid. - */ - errno = 0; - addr = mmap(0, page_sz, PROT_WRITE, - MAP_FILE | MAP_SHARED, fildes, 0); - TEST_ERRNO = errno; - - /* Check for the return value of mmap() */ - if (addr != MAP_FAILED) { - tst_resm(TFAIL, "mmap() didn't fail (%p != %p)", - addr, MAP_FAILED); - /* Unmap the mapped memory */ - if (munmap(addr, page_sz) != 0) { - tst_brkm(TBROK, cleanup, "munmap() failed"); - } - continue; - } - if (TEST_ERRNO == EBADF) { - tst_resm(TPASS, "mmap failed with EBADF"); - } else { - tst_resm(TFAIL | TERRNO, - "mmap failed with an invalid errno"); - } - } - - cleanup(); - tst_exit(); + fd = SAFE_OPEN(TEMPFILE, O_RDWR | O_CREAT, 0666); + SAFE_CLOSE(fd); } -static void setup(void) +static void run(void) { - char *tst_buff; - - tst_sig(NOFORK, DEF_HANDLER, cleanup); - - TEST_PAUSE; - - page_sz = getpagesize(); - - if ((tst_buff = calloc(page_sz, sizeof(char))) == NULL) { - tst_brkm(TFAIL, NULL, - "calloc() failed to allocate space for tst_buff"); - } - - /* Fill the test buffer with the known data */ - memset(tst_buff, 'A', page_sz); - - tst_tmpdir(); - - /* Creat a temporary file used for mapping */ - if ((fildes = open(TEMPFILE, O_WRONLY | O_CREAT, 0666)) < 0) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "opening %s failed", TEMPFILE); - } - - /* Write test buffer contents into temporary file */ - if (write(fildes, tst_buff, page_sz) != (int)page_sz) { - free(tst_buff); - tst_brkm(TFAIL, cleanup, "writing to %s failed", TEMPFILE); - } - - /* Free the memory allocated for test buffer */ - free(tst_buff); - - /* Close the temporary file opened for writing */ - if (close(fildes) < 0) { - tst_brkm(TFAIL, cleanup, "closing %s failed", TEMPFILE); + TESTPTR(mmap(NULL, page_sz, PROT_WRITE, MAP_FILE | MAP_SHARED, fd, 0)); + + if (TST_RET_PTR != MAP_FAILED) { + tst_res(TFAIL, "mmap() passed unexpectedly"); + SAFE_MUNMAP(TST_RET_PTR, page_sz); + } else if (TST_ERR == EBADF) { + tst_res(TPASS, "mmap() failed with EBADF"); + } else { + tst_res(TFAIL | TERRNO, "mmap() failed with an invalid errno"); } } static void cleanup(void) { - tst_rmdir(); + if (fd > 0) + SAFE_CLOSE(fd); } + +static struct tst_test test = { + .setup = setup, + .cleanup = cleanup, + .test_all = run, + .needs_tmpdir = 1 +}; diff --git a/testcases/kernel/syscalls/mmap/mmap17.c b/testcases/kernel/syscalls/mmap/mmap17.c index a8136a0b2..39703fbd3 100644 --- a/testcases/kernel/syscalls/mmap/mmap17.c +++ b/testcases/kernel/syscalls/mmap/mmap17.c @@ -17,7 +17,6 @@ #include <stdio.h> #include <fcntl.h> #include <sys/types.h> -#include <sys/mman.h> #include <sys/stat.h> #include <unistd.h> #include <errno.h> diff --git a/testcases/kernel/syscalls/mmap/mmap20.c b/testcases/kernel/syscalls/mmap/mmap20.c new file mode 100644 index 000000000..02d150e45 --- /dev/null +++ b/testcases/kernel/syscalls/mmap/mmap20.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Paulson Raja L <paulson@zilogic.com> + */ + +/*\ + * [Description] + * + * Test mmap(2) with MAP_SHARED_VALIDATE flag. + * + * Test expected EOPNOTSUPP errno when testing mmap(2) with MAP_SHARED_VALIDATE + * flag and invalid flag. + */ + +#include <errno.h> +#include <stdio.h> +#include <sys/types.h> +#include "tst_test.h" +#include "lapi/mmap.h" + +#define TEST_FILE "file_to_mmap" +#define TEST_FILE_SIZE 1024 +#define INVALID_FLAG (1 << 10) + +static int fd = -1; +static void *addr; + +static void setup(void) +{ + fd = SAFE_OPEN(TEST_FILE, O_CREAT | O_RDWR, 0600); + + if (tst_fill_file(TEST_FILE, 'a', TEST_FILE_SIZE, 1)) + tst_brk(TBROK, "Could not fill the testfile"); +} + +static void cleanup(void) +{ + if (fd > -1) + SAFE_CLOSE(fd); + + if (addr && addr != MAP_FAILED) + SAFE_MUNMAP(addr, TEST_FILE_SIZE); +} + +static void test_mmap(void) +{ + addr = mmap(NULL, TEST_FILE_SIZE, PROT_READ | PROT_WRITE, + INVALID_FLAG | MAP_SHARED_VALIDATE, fd, 0); + + if (addr != MAP_FAILED) + tst_res(TFAIL | TERRNO, "mmap() is successful, but it should have failed"); + else if (errno == EOPNOTSUPP) + tst_res(TPASS, "mmap() failed with errno set to EOPNOTSUPP"); + else + tst_res(TFAIL | TERRNO, "mmap() failed with unexpected error"); +} + +static struct tst_test test = { + .min_kver = "4.15", + .setup = setup, + .cleanup = cleanup, + .test_all = test_mmap, + .needs_tmpdir = 1, +}; |