On 8/18/2023 8:53 AM, Serge Hallyn wrote: > On Wed, Aug 02, 2023 at 10:44:34AM -0700, Casey Schaufler wrote: >> Add selftests for the three system calls supporting the LSM >> infrastructure. This set of tests is limited by the differences >> in access policy enforced by the existing security modules. >> >> Signed-off-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> > I know these are just testcases, but a few things stood out below. > > The actual set of tests looks good, though. Thanks. > >> --- >> MAINTAINERS | 1 + >> tools/testing/selftests/Makefile | 1 + >> tools/testing/selftests/lsm/Makefile | 19 ++ >> tools/testing/selftests/lsm/common.c | 81 ++++++ >> tools/testing/selftests/lsm/common.h | 33 +++ >> tools/testing/selftests/lsm/config | 3 + >> .../selftests/lsm/lsm_get_self_attr_test.c | 240 ++++++++++++++++++ >> .../selftests/lsm/lsm_list_modules_test.c | 140 ++++++++++ >> .../selftests/lsm/lsm_set_self_attr_test.c | 74 ++++++ >> 9 files changed, 592 insertions(+) >> create mode 100644 tools/testing/selftests/lsm/Makefile >> create mode 100644 tools/testing/selftests/lsm/common.c >> create mode 100644 tools/testing/selftests/lsm/common.h >> create mode 100644 tools/testing/selftests/lsm/config >> create mode 100644 tools/testing/selftests/lsm/lsm_get_self_attr_test.c >> create mode 100644 tools/testing/selftests/lsm/lsm_list_modules_test.c >> create mode 100644 tools/testing/selftests/lsm/lsm_set_self_attr_test.c >> >> diff --git a/MAINTAINERS b/MAINTAINERS >> index aca4db11dd02..c96f1c388d22 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -19158,6 +19158,7 @@ W: http://kernsec.org/ >> T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm.git >> F: include/uapi/linux/lsm.h >> F: security/ >> +F: tools/testing/selftests/lsm/ >> X: security/selinux/ >> >> SELINUX SECURITY MODULE >> diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile >> index 666b56f22a41..bde7c217b23f 100644 >> --- a/tools/testing/selftests/Makefile >> +++ b/tools/testing/selftests/Makefile >> @@ -39,6 +39,7 @@ TARGETS += landlock >> TARGETS += lib >> TARGETS += livepatch >> TARGETS += lkdtm >> +TARGETS += lsm >> TARGETS += membarrier >> TARGETS += memfd >> TARGETS += memory-hotplug >> diff --git a/tools/testing/selftests/lsm/Makefile b/tools/testing/selftests/lsm/Makefile >> new file mode 100644 >> index 000000000000..bae6c1e3bba4 >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/Makefile >> @@ -0,0 +1,19 @@ >> +# SPDX-License-Identifier: GPL-2.0 >> +# >> +# First run: make -C ../../../.. headers_install >> + >> +CFLAGS += -Wall -O2 $(KHDR_INCLUDES) >> +LOCAL_HDRS += common.h >> + >> +TEST_GEN_PROGS := lsm_get_self_attr_test lsm_list_modules_test \ >> + lsm_set_self_attr_test >> + >> +include ../lib.mk >> + >> +$(TEST_GEN_PROGS): >> + >> +$(OUTPUT)/lsm_get_self_attr_test: lsm_get_self_attr_test.c common.c >> +$(OUTPUT)/lsm_set_self_attr_test: lsm_set_self_attr_test.c common.c >> +$(OUTPUT)/lsm_list_modules_test: lsm_list_modules_test.c common.c >> + >> +EXTRA_CLEAN = $(OUTPUT)/common.o >> diff --git a/tools/testing/selftests/lsm/common.c b/tools/testing/selftests/lsm/common.c >> new file mode 100644 >> index 000000000000..db9af9375238 >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/common.c >> @@ -0,0 +1,81 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Linux Security Module infrastructure tests >> + * >> + * Copyright © 2023 Casey Schaufler <casey@xxxxxxxxxxxxxxxx> >> + */ >> + >> +#define _GNU_SOURCE >> +#include <linux/lsm.h> >> +#include <fcntl.h> >> +#include <string.h> >> +#include <stdio.h> >> +#include <stdlib.h> >> +#include <unistd.h> >> +#include <sys/types.h> >> +#include "common.h" >> + >> +#define PROCATTR "/proc/self/attr/" >> + >> +int read_proc_attr(const char *attr, char *value, size_t size) >> +{ >> + int fd; >> + int len; >> + char *path; >> + >> + len = strlen(PROCATTR) + strlen(attr) + 1; >> + path = calloc(len, 1); >> + if (path == NULL) >> + return -1; >> + sprintf(path, "%s%s", PROCATTR, attr); >> + >> + fd = open(path, O_RDONLY); >> + free(path); >> + >> + if (fd < 0) > not closing fd here The open failed. Nothing to close. > >> + return -1; >> + len = read(fd, value, size); >> + if (len <= 0) >> + return -1; >> + close(fd); >> + > It would feel cozier if you would ensure a trailing \0 in > value before doing strchr. Sure. > >> + path = strchr(value, '\n'); >> + if (path) >> + *path = '\0'; >> + >> + return 0; >> +} >> + >> +int read_sysfs_lsms(char *lsms, size_t size) >> +{ >> + FILE *fp; >> + >> + fp = fopen("/sys/kernel/security/lsm", "r"); >> + if (fp == NULL) >> + return -1; >> + if (fread(lsms, 1, size, fp) <= 0) > not closing fp This one does need closing. > >> + return -1; >> + fclose(fp); >> + return 0; >> +} >> + >> +int attr_lsm_count(void) >> +{ >> + char *names = calloc(sysconf(_SC_PAGESIZE), 1); >> + int count = 0; >> + >> + if (!names) >> + return 0; >> + >> + if (read_sysfs_lsms(names, sysconf(_SC_PAGESIZE))) >> + return 0; >> + > Again strstr without ensuring \0. /sys/kernel/security/lsm > is unlikely to be longer than _SC_PAGESIZE, but I *could* > mess with you with a bind mount... Because of your demonstrated cunning I will address this. > >> + if (strstr(names, "selinux")) >> + count++; >> + if (strstr(names, "smack")) >> + count++; >> + if (strstr(names, "apparmor")) >> + count++; >> + >> + return count; >> +} >> diff --git a/tools/testing/selftests/lsm/common.h b/tools/testing/selftests/lsm/common.h >> new file mode 100644 >> index 000000000000..cd0214a3eeb2 >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/common.h >> @@ -0,0 +1,33 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Linux Security Module infrastructure tests >> + * >> + * Copyright © 2023 Casey Schaufler <casey@xxxxxxxxxxxxxxxx> >> + */ >> + >> +#ifndef lsm_get_self_attr >> +static inline int lsm_get_self_attr(unsigned int attr, struct lsm_ctx *ctx, >> + size_t *size, __u32 flags) >> +{ >> + return syscall(__NR_lsm_get_self_attr, attr, ctx, size, flags); >> +} >> +#endif >> + >> +#ifndef lsm_set_self_attr >> +static inline int lsm_set_self_attr(unsigned int attr, struct lsm_ctx *ctx, >> + size_t size, __u32 flags) >> +{ >> + return syscall(__NR_lsm_set_self_attr, attr, ctx, size, flags); >> +} >> +#endif >> + >> +#ifndef lsm_list_modules >> +static inline int lsm_list_modules(__u64 *ids, size_t *size, __u32 flags) >> +{ >> + return syscall(__NR_lsm_list_modules, ids, size, flags); >> +} >> +#endif >> + >> +extern int read_proc_attr(const char *attr, char *value, size_t size); >> +extern int read_sysfs_lsms(char *lsms, size_t size); >> +int attr_lsm_count(void); >> diff --git a/tools/testing/selftests/lsm/config b/tools/testing/selftests/lsm/config >> new file mode 100644 >> index 000000000000..1c0c4c020f9c >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/config >> @@ -0,0 +1,3 @@ >> +CONFIG_SYSFS=y >> +CONFIG_SECURITY=y >> +CONFIG_SECURITYFS=y >> diff --git a/tools/testing/selftests/lsm/lsm_get_self_attr_test.c b/tools/testing/selftests/lsm/lsm_get_self_attr_test.c >> new file mode 100644 >> index 000000000000..74c65aae1fcc >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/lsm_get_self_attr_test.c >> @@ -0,0 +1,240 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Linux Security Module infrastructure tests >> + * Tests for the lsm_get_self_attr system call >> + * >> + * Copyright © 2022 Casey Schaufler <casey@xxxxxxxxxxxxxxxx> >> + */ >> + >> +#define _GNU_SOURCE >> +#include <linux/lsm.h> >> +#include <fcntl.h> >> +#include <string.h> >> +#include <stdio.h> >> +#include <unistd.h> >> +#include <sys/types.h> >> +#include "../kselftest_harness.h" >> +#include "common.h" >> + >> +static struct lsm_ctx *next_ctx(struct lsm_ctx *ctxp) >> +{ >> + void *vp; >> + >> + vp = (void *)ctxp + sizeof(*ctxp) + ctxp->ctx_len; >> + return (struct lsm_ctx *)vp; >> +} >> + >> +TEST(size_null_lsm_get_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + >> + ASSERT_NE(NULL, ctx); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, NULL, 0)); >> + ASSERT_EQ(EINVAL, errno); >> + >> + free(ctx); >> +} >> + >> +TEST(ctx_null_lsm_get_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + size_t size = page_size; >> + int rc; >> + >> + rc = lsm_get_self_attr(LSM_ATTR_CURRENT, NULL, &size, 0); >> + >> + if (attr_lsm_count()) { >> + ASSERT_NE(-1, rc); >> + ASSERT_NE(1, size); >> + } else { >> + ASSERT_EQ(-1, rc); >> + } >> +} >> + >> +TEST(size_too_small_lsm_get_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + size_t size = 1; >> + >> + ASSERT_NE(NULL, ctx); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size, 0)); >> + if (attr_lsm_count()) { >> + ASSERT_EQ(E2BIG, errno); >> + } else { >> + ASSERT_EQ(EOPNOTSUPP, errno); >> + } >> + ASSERT_NE(1, size); >> + >> + free(ctx); >> +} >> + >> +TEST(flags_zero_lsm_get_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + size_t size = page_size; >> + >> + ASSERT_NE(NULL, ctx); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size, 1)); >> + ASSERT_EQ(EINVAL, errno); >> + ASSERT_EQ(page_size, size); >> + >> + free(ctx); >> +} >> + >> +TEST(flags_overset_lsm_get_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + size_t size = page_size; >> + >> + ASSERT_NE(NULL, ctx); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_get_self_attr(LSM_ATTR_CURRENT | LSM_ATTR_PREV, ctx, >> + &size, 0)); >> + ASSERT_EQ(EOPNOTSUPP, errno); >> + >> + free(ctx); >> +} >> + >> +TEST(basic_lsm_get_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + size_t size = page_size; >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + struct lsm_ctx *tctx = NULL; >> + __u64 *syscall_lsms = calloc(page_size, 1); >> + char *attr = calloc(page_size, 1); > You never verify attr is not NULL True. Will fix. > >> + int cnt_current = 0; >> + int cnt_exec = 0; >> + int cnt_fscreate = 0; >> + int cnt_keycreate = 0; >> + int cnt_prev = 0; >> + int cnt_sockcreate = 0; >> + int lsmcount; >> + int count; >> + int i; >> + >> + ASSERT_NE(NULL, ctx); >> + ASSERT_NE(NULL, syscall_lsms); >> + >> + lsmcount = syscall(__NR_lsm_list_modules, syscall_lsms, &size, 0); >> + ASSERT_LE(1, lsmcount); >> + >> + for (i = 0; i < lsmcount; i++) { >> + switch (syscall_lsms[i]) { >> + case LSM_ID_SELINUX: >> + cnt_current++; >> + cnt_exec++; >> + cnt_fscreate++; >> + cnt_keycreate++; >> + cnt_prev++; >> + cnt_sockcreate++; >> + break; >> + case LSM_ID_SMACK: >> + cnt_current++; >> + break; >> + case LSM_ID_APPARMOR: >> + cnt_current++; >> + cnt_exec++; >> + cnt_prev++; >> + break; >> + default: >> + break; >> + } >> + } >> + >> + if (cnt_current) { >> + size = page_size; >> + count = lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size, 0); >> + ASSERT_EQ(cnt_current, count); >> + tctx = ctx; >> + ASSERT_EQ(0, read_proc_attr("current", attr, page_size)); >> + ASSERT_EQ(0, strcmp((char *)tctx->ctx, attr)); >> + for (i = 1; i < count; i++) { >> + tctx = next_ctx(tctx); >> + ASSERT_NE(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + } >> + if (cnt_exec) { >> + size = page_size; >> + count = lsm_get_self_attr(LSM_ATTR_EXEC, ctx, &size, 0); >> + ASSERT_GE(cnt_exec, count); >> + if (count > 0) { >> + tctx = ctx; >> + if (read_proc_attr("exec", attr, page_size) == 0) >> + ASSERT_EQ(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + for (i = 1; i < count; i++) { >> + tctx = next_ctx(tctx); >> + ASSERT_NE(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + } >> + if (cnt_fscreate) { >> + size = page_size; >> + count = lsm_get_self_attr(LSM_ATTR_FSCREATE, ctx, &size, 0); >> + ASSERT_GE(cnt_fscreate, count); >> + if (count > 0) { >> + tctx = ctx; >> + if (read_proc_attr("fscreate", attr, page_size) == 0) >> + ASSERT_EQ(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + for (i = 1; i < count; i++) { >> + tctx = next_ctx(tctx); >> + ASSERT_NE(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + } >> + if (cnt_keycreate) { >> + size = page_size; >> + count = lsm_get_self_attr(LSM_ATTR_KEYCREATE, ctx, &size, 0); >> + ASSERT_GE(cnt_keycreate, count); >> + if (count > 0) { >> + tctx = ctx; >> + if (read_proc_attr("keycreate", attr, page_size) == 0) >> + ASSERT_EQ(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + for (i = 1; i < count; i++) { >> + tctx = next_ctx(tctx); >> + ASSERT_NE(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + } >> + if (cnt_prev) { >> + size = page_size; >> + count = lsm_get_self_attr(LSM_ATTR_PREV, ctx, &size, 0); >> + ASSERT_GE(cnt_prev, count); >> + if (count > 0) { >> + tctx = ctx; >> + ASSERT_EQ(0, read_proc_attr("prev", attr, page_size)); >> + ASSERT_EQ(0, strcmp((char *)tctx->ctx, attr)); >> + for (i = 1; i < count; i++) { >> + tctx = next_ctx(tctx); >> + ASSERT_NE(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + } >> + } >> + if (cnt_sockcreate) { >> + size = page_size; >> + count = lsm_get_self_attr(LSM_ATTR_SOCKCREATE, ctx, &size, 0); >> + ASSERT_GE(cnt_sockcreate, count); >> + if (count > 0) { >> + tctx = ctx; >> + if (read_proc_attr("sockcreate", attr, page_size) == 0) >> + ASSERT_EQ(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + for (i = 1; i < count; i++) { >> + tctx = next_ctx(tctx); >> + ASSERT_NE(0, strcmp((char *)tctx->ctx, attr)); >> + } >> + } >> + >> + free(ctx); >> + free(attr); >> + free(syscall_lsms); >> +} >> + >> +TEST_HARNESS_MAIN >> diff --git a/tools/testing/selftests/lsm/lsm_list_modules_test.c b/tools/testing/selftests/lsm/lsm_list_modules_test.c >> new file mode 100644 >> index 000000000000..445c02f09c74 >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/lsm_list_modules_test.c >> @@ -0,0 +1,140 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Linux Security Module infrastructure tests >> + * Tests for the lsm_list_modules system call >> + * >> + * Copyright © 2022 Casey Schaufler <casey@xxxxxxxxxxxxxxxx> >> + */ >> + >> +#define _GNU_SOURCE >> +#include <linux/lsm.h> >> +#include <string.h> >> +#include <stdio.h> >> +#include <unistd.h> >> +#include <sys/types.h> >> +#include "../kselftest_harness.h" >> +#include "common.h" >> + >> +TEST(size_null_lsm_list_modules) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + __u64 *syscall_lsms = calloc(page_size, 1); >> + >> + ASSERT_NE(NULL, syscall_lsms); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_list_modules(syscall_lsms, NULL, 0)); >> + ASSERT_EQ(EFAULT, errno); >> + >> + free(syscall_lsms); >> +} >> + >> +TEST(ids_null_lsm_list_modules) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + size_t size = page_size; >> + >> + errno = 0; >> + ASSERT_EQ(-1, lsm_list_modules(NULL, &size, 0)); >> + ASSERT_EQ(EFAULT, errno); >> + ASSERT_NE(1, size); >> +} >> + >> +TEST(size_too_small_lsm_list_modules) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + __u64 *syscall_lsms = calloc(page_size, 1); >> + size_t size = 1; >> + >> + ASSERT_NE(NULL, syscall_lsms); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_list_modules(syscall_lsms, &size, 0)); >> + ASSERT_EQ(E2BIG, errno); >> + ASSERT_NE(1, size); >> + >> + free(syscall_lsms); >> +} >> + >> +TEST(flags_set_lsm_list_modules) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + __u64 *syscall_lsms = calloc(page_size, 1); >> + size_t size = page_size; >> + >> + ASSERT_NE(NULL, syscall_lsms); >> + errno = 0; >> + ASSERT_EQ(-1, lsm_list_modules(syscall_lsms, &size, 7)); >> + ASSERT_EQ(EINVAL, errno); >> + ASSERT_EQ(page_size, size); >> + >> + free(syscall_lsms); >> +} >> + >> +TEST(correct_lsm_list_modules) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + size_t size = page_size; >> + __u64 *syscall_lsms = calloc(page_size, 1); >> + char *sysfs_lsms = calloc(page_size, 1); >> + char *name; >> + char *cp; >> + int count; >> + int i; >> + >> + ASSERT_NE(NULL, sysfs_lsms); >> + ASSERT_NE(NULL, syscall_lsms); >> + ASSERT_EQ(0, read_sysfs_lsms(sysfs_lsms, page_size)); >> + >> + count = lsm_list_modules(syscall_lsms, &size, 0); >> + ASSERT_LE(1, count); >> + cp = sysfs_lsms; >> + for (i = 0; i < count; i++) { >> + switch (syscall_lsms[i]) { >> + case LSM_ID_CAPABILITY: >> + name = "capability"; >> + break; >> + case LSM_ID_SELINUX: >> + name = "selinux"; >> + break; >> + case LSM_ID_SMACK: >> + name = "smack"; >> + break; >> + case LSM_ID_TOMOYO: >> + name = "tomoyo"; >> + break; >> + case LSM_ID_IMA: >> + name = "ima"; >> + break; >> + case LSM_ID_APPARMOR: >> + name = "apparmor"; >> + break; >> + case LSM_ID_YAMA: >> + name = "yama"; >> + break; >> + case LSM_ID_LOADPIN: >> + name = "loadpin"; >> + break; >> + case LSM_ID_SAFESETID: >> + name = "safesetid"; >> + break; >> + case LSM_ID_LOCKDOWN: >> + name = "lockdown"; >> + break; >> + case LSM_ID_BPF: >> + name = "bpf"; >> + break; >> + case LSM_ID_LANDLOCK: >> + name = "landlock"; >> + break; >> + default: >> + name = "INVALID"; >> + break; >> + } >> + ASSERT_EQ(0, strncmp(cp, name, strlen(name))); >> + cp += strlen(name) + 1; >> + } >> + >> + free(sysfs_lsms); >> + free(syscall_lsms); >> +} >> + >> +TEST_HARNESS_MAIN >> diff --git a/tools/testing/selftests/lsm/lsm_set_self_attr_test.c b/tools/testing/selftests/lsm/lsm_set_self_attr_test.c >> new file mode 100644 >> index 000000000000..d0f5b776c548 >> --- /dev/null >> +++ b/tools/testing/selftests/lsm/lsm_set_self_attr_test.c >> @@ -0,0 +1,74 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Linux Security Module infrastructure tests >> + * Tests for the lsm_set_self_attr system call >> + * >> + * Copyright © 2022 Casey Schaufler <casey@xxxxxxxxxxxxxxxx> >> + */ >> + >> +#define _GNU_SOURCE >> +#include <linux/lsm.h> >> +#include <string.h> >> +#include <stdio.h> >> +#include <unistd.h> >> +#include <sys/types.h> >> +#include "../kselftest_harness.h" >> +#include "common.h" >> + >> +TEST(ctx_null_lsm_set_self_attr) >> +{ >> + ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT, NULL, >> + sizeof(struct lsm_ctx), 0)); >> +} >> + >> +TEST(size_too_small_lsm_set_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + size_t size = page_size; >> + >> + ASSERT_NE(NULL, ctx); >> + if (attr_lsm_count()) { >> + ASSERT_LE(1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size, >> + 0)); >> + } >> + ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT, ctx, 1, 0)); >> + >> + free(ctx); >> +} >> + >> +TEST(flags_zero_lsm_set_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + struct lsm_ctx *ctx = calloc(page_size, 1); >> + size_t size = page_size; >> + >> + ASSERT_NE(NULL, ctx); >> + if (attr_lsm_count()) { >> + ASSERT_LE(1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size, >> + 0)); >> + } >> + ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT, ctx, size, 1)); >> + >> + free(ctx); >> +} >> + >> +TEST(flags_overset_lsm_set_self_attr) >> +{ >> + const long page_size = sysconf(_SC_PAGESIZE); >> + char *ctx = calloc(page_size, 1); >> + size_t size = page_size; >> + struct lsm_ctx *tctx = (struct lsm_ctx *)ctx; >> + >> + ASSERT_NE(NULL, ctx); >> + if (attr_lsm_count()) { >> + ASSERT_LE(1, lsm_get_self_attr(LSM_ATTR_CURRENT, tctx, &size, >> + 0)); >> + } >> + ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT | LSM_ATTR_PREV, tctx, >> + size, 0)); >> + >> + free(ctx); >> +} >> + >> +TEST_HARNESS_MAIN >> -- >> 2.41.0 >> >>
