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Diffstat (limited to 'tools/testing/selftests/seccomp/seccomp_bpf.c')
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c440
1 files changed, 279 insertions, 161 deletions
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 7a6d40286a42..4a180439ee9e 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -774,8 +774,15 @@ void *kill_thread(void *data)
return (void *)SIBLING_EXIT_UNKILLED;
}
+enum kill_t {
+ KILL_THREAD,
+ KILL_PROCESS,
+ RET_UNKNOWN
+};
+
/* Prepare a thread that will kill itself or both of us. */
-void kill_thread_or_group(struct __test_metadata *_metadata, bool kill_process)
+void kill_thread_or_group(struct __test_metadata *_metadata,
+ enum kill_t kill_how)
{
pthread_t thread;
void *status;
@@ -791,11 +798,12 @@ void kill_thread_or_group(struct __test_metadata *_metadata, bool kill_process)
.len = (unsigned short)ARRAY_SIZE(filter_thread),
.filter = filter_thread,
};
+ int kill = kill_how == KILL_PROCESS ? SECCOMP_RET_KILL_PROCESS : 0xAAAAAAAAA;
struct sock_filter filter_process[] = {
BPF_STMT(BPF_LD|BPF_W|BPF_ABS,
offsetof(struct seccomp_data, nr)),
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_prctl, 0, 1),
- BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_KILL_PROCESS),
+ BPF_STMT(BPF_RET|BPF_K, kill),
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
};
struct sock_fprog prog_process = {
@@ -808,13 +816,15 @@ void kill_thread_or_group(struct __test_metadata *_metadata, bool kill_process)
}
ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0,
- kill_process ? &prog_process : &prog_thread));
+ kill_how == KILL_THREAD ? &prog_thread
+ : &prog_process));
/*
* Add the KILL_THREAD rule again to make sure that the KILL_PROCESS
* flag cannot be downgraded by a new filter.
*/
- ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog_thread));
+ if (kill_how == KILL_PROCESS)
+ ASSERT_EQ(0, seccomp(SECCOMP_SET_MODE_FILTER, 0, &prog_thread));
/* Start a thread that will exit immediately. */
ASSERT_EQ(0, pthread_create(&thread, NULL, kill_thread, (void *)false));
@@ -842,7 +852,7 @@ TEST(KILL_thread)
child_pid = fork();
ASSERT_LE(0, child_pid);
if (child_pid == 0) {
- kill_thread_or_group(_metadata, false);
+ kill_thread_or_group(_metadata, KILL_THREAD);
_exit(38);
}
@@ -861,7 +871,7 @@ TEST(KILL_process)
child_pid = fork();
ASSERT_LE(0, child_pid);
if (child_pid == 0) {
- kill_thread_or_group(_metadata, true);
+ kill_thread_or_group(_metadata, KILL_PROCESS);
_exit(38);
}
@@ -872,6 +882,27 @@ TEST(KILL_process)
ASSERT_EQ(SIGSYS, WTERMSIG(status));
}
+TEST(KILL_unknown)
+{
+ int status;
+ pid_t child_pid;
+
+ child_pid = fork();
+ ASSERT_LE(0, child_pid);
+ if (child_pid == 0) {
+ kill_thread_or_group(_metadata, RET_UNKNOWN);
+ _exit(38);
+ }
+
+ ASSERT_EQ(child_pid, waitpid(child_pid, &status, 0));
+
+ /* If the entire process was killed, we'll see SIGSYS. */
+ EXPECT_TRUE(WIFSIGNALED(status)) {
+ TH_LOG("Unknown SECCOMP_RET is only killing the thread?");
+ }
+ ASSERT_EQ(SIGSYS, WTERMSIG(status));
+}
+
/* TODO(wad) add 64-bit versus 32-bit arg tests. */
TEST(arg_out_of_range)
{
@@ -1667,70 +1698,148 @@ TEST_F(TRACE_poke, getpid_runs_normally)
}
#if defined(__x86_64__)
-# define ARCH_REGS struct user_regs_struct
-# define SYSCALL_NUM orig_rax
-# define SYSCALL_RET rax
+# define ARCH_REGS struct user_regs_struct
+# define SYSCALL_NUM(_regs) (_regs).orig_rax
+# define SYSCALL_RET(_regs) (_regs).rax
#elif defined(__i386__)
-# define ARCH_REGS struct user_regs_struct
-# define SYSCALL_NUM orig_eax
-# define SYSCALL_RET eax
+# define ARCH_REGS struct user_regs_struct
+# define SYSCALL_NUM(_regs) (_regs).orig_eax
+# define SYSCALL_RET(_regs) (_regs).eax
#elif defined(__arm__)
-# define ARCH_REGS struct pt_regs
-# define SYSCALL_NUM ARM_r7
-# define SYSCALL_RET ARM_r0
+# define ARCH_REGS struct pt_regs
+# define SYSCALL_NUM(_regs) (_regs).ARM_r7
+# ifndef PTRACE_SET_SYSCALL
+# define PTRACE_SET_SYSCALL 23
+# endif
+# define SYSCALL_NUM_SET(_regs, _nr) \
+ EXPECT_EQ(0, ptrace(PTRACE_SET_SYSCALL, tracee, NULL, _nr))
+# define SYSCALL_RET(_regs) (_regs).ARM_r0
#elif defined(__aarch64__)
-# define ARCH_REGS struct user_pt_regs
-# define SYSCALL_NUM regs[8]
-# define SYSCALL_RET regs[0]
+# define ARCH_REGS struct user_pt_regs
+# define SYSCALL_NUM(_regs) (_regs).regs[8]
+# ifndef NT_ARM_SYSTEM_CALL
+# define NT_ARM_SYSTEM_CALL 0x404
+# endif
+# define SYSCALL_NUM_SET(_regs, _nr) \
+ do { \
+ struct iovec __v; \
+ typeof(_nr) __nr = (_nr); \
+ __v.iov_base = &__nr; \
+ __v.iov_len = sizeof(__nr); \
+ EXPECT_EQ(0, ptrace(PTRACE_SETREGSET, tracee, \
+ NT_ARM_SYSTEM_CALL, &__v)); \
+ } while (0)
+# define SYSCALL_RET(_regs) (_regs).regs[0]
#elif defined(__riscv) && __riscv_xlen == 64
-# define ARCH_REGS struct user_regs_struct
-# define SYSCALL_NUM a7
-# define SYSCALL_RET a0
+# define ARCH_REGS struct user_regs_struct
+# define SYSCALL_NUM(_regs) (_regs).a7
+# define SYSCALL_RET(_regs) (_regs).a0
#elif defined(__csky__)
-# define ARCH_REGS struct pt_regs
-#if defined(__CSKYABIV2__)
-# define SYSCALL_NUM regs[3]
-#else
-# define SYSCALL_NUM regs[9]
-#endif
-# define SYSCALL_RET a0
+# define ARCH_REGS struct pt_regs
+# if defined(__CSKYABIV2__)
+# define SYSCALL_NUM(_regs) (_regs).regs[3]
+# else
+# define SYSCALL_NUM(_regs) (_regs).regs[9]
+# endif
+# define SYSCALL_RET(_regs) (_regs).a0
#elif defined(__hppa__)
-# define ARCH_REGS struct user_regs_struct
-# define SYSCALL_NUM gr[20]
-# define SYSCALL_RET gr[28]
+# define ARCH_REGS struct user_regs_struct
+# define SYSCALL_NUM(_regs) (_regs).gr[20]
+# define SYSCALL_RET(_regs) (_regs).gr[28]
#elif defined(__powerpc__)
-# define ARCH_REGS struct pt_regs
-# define SYSCALL_NUM gpr[0]
-# define SYSCALL_RET gpr[3]
+# define ARCH_REGS struct pt_regs
+# define SYSCALL_NUM(_regs) (_regs).gpr[0]
+# define SYSCALL_RET(_regs) (_regs).gpr[3]
+# define SYSCALL_RET_SET(_regs, _val) \
+ do { \
+ typeof(_val) _result = (_val); \
+ /* \
+ * A syscall error is signaled by CR0 SO bit \
+ * and the code is stored as a positive value. \
+ */ \
+ if (_result < 0) { \
+ SYSCALL_RET(_regs) = -result; \
+ (_regs).ccr |= 0x10000000; \
+ } else { \
+ SYSCALL_RET(_regs) = result; \
+ (_regs).ccr &= ~0x10000000; \
+ } \
+ } while (0)
+# define SYSCALL_RET_SET_ON_PTRACE_EXIT
#elif defined(__s390__)
-# define ARCH_REGS s390_regs
-# define SYSCALL_NUM gprs[2]
-# define SYSCALL_RET gprs[2]
-# define SYSCALL_NUM_RET_SHARE_REG
+# define ARCH_REGS s390_regs
+# define SYSCALL_NUM(_regs) (_regs).gprs[2]
+# define SYSCALL_RET_SET(_regs, _val) \
+ TH_LOG("Can't modify syscall return on this architecture")
#elif defined(__mips__)
-# define ARCH_REGS struct pt_regs
-# define SYSCALL_NUM regs[2]
-# define SYSCALL_SYSCALL_NUM regs[4]
-# define SYSCALL_RET regs[2]
-# define SYSCALL_NUM_RET_SHARE_REG
+# include <asm/unistd_nr_n32.h>
+# include <asm/unistd_nr_n64.h>
+# include <asm/unistd_nr_o32.h>
+# define ARCH_REGS struct pt_regs
+# define SYSCALL_NUM(_regs) \
+ ({ \
+ typeof((_regs).regs[2]) _nr; \
+ if ((_regs).regs[2] == __NR_O32_Linux) \
+ _nr = (_regs).regs[4]; \
+ else \
+ _nr = (_regs).regs[2]; \
+ _nr; \
+ })
+# define SYSCALL_NUM_SET(_regs, _nr) \
+ do { \
+ if ((_regs).regs[2] == __NR_O32_Linux) \
+ (_regs).regs[4] = _nr; \
+ else \
+ (_regs).regs[2] = _nr; \
+ } while (0)
+# define SYSCALL_RET_SET(_regs, _val) \
+ TH_LOG("Can't modify syscall return on this architecture")
#elif defined(__xtensa__)
-# define ARCH_REGS struct user_pt_regs
-# define SYSCALL_NUM syscall
+# define ARCH_REGS struct user_pt_regs
+# define SYSCALL_NUM(_regs) (_regs).syscall
/*
* On xtensa syscall return value is in the register
* a2 of the current window which is not fixed.
*/
-#define SYSCALL_RET(reg) a[(reg).windowbase * 4 + 2]
+#define SYSCALL_RET(_regs) (_regs).a[(_regs).windowbase * 4 + 2]
#elif defined(__sh__)
-# define ARCH_REGS struct pt_regs
-# define SYSCALL_NUM gpr[3]
-# define SYSCALL_RET gpr[0]
+# define ARCH_REGS struct pt_regs
+# define SYSCALL_NUM(_regs) (_regs).gpr[3]
+# define SYSCALL_RET(_regs) (_regs).gpr[0]
#else
# error "Do not know how to find your architecture's registers and syscalls"
#endif
+/*
+ * Most architectures can change the syscall by just updating the
+ * associated register. This is the default if not defined above.
+ */
+#ifndef SYSCALL_NUM_SET
+# define SYSCALL_NUM_SET(_regs, _nr) \
+ do { \
+ SYSCALL_NUM(_regs) = (_nr); \
+ } while (0)
+#endif
+/*
+ * Most architectures can change the syscall return value by just
+ * writing to the SYSCALL_RET register. This is the default if not
+ * defined above. If an architecture cannot set the return value
+ * (for example when the syscall and return value register is
+ * shared), report it with TH_LOG() in an arch-specific definition
+ * of SYSCALL_RET_SET() above, and leave SYSCALL_RET undefined.
+ */
+#if !defined(SYSCALL_RET) && !defined(SYSCALL_RET_SET)
+# error "One of SYSCALL_RET or SYSCALL_RET_SET is needed for this arch"
+#endif
+#ifndef SYSCALL_RET_SET
+# define SYSCALL_RET_SET(_regs, _val) \
+ do { \
+ SYSCALL_RET(_regs) = (_val); \
+ } while (0)
+#endif
+
/* When the syscall return can't be changed, stub out the tests for it. */
-#ifdef SYSCALL_NUM_RET_SHARE_REG
+#ifndef SYSCALL_RET
# define EXPECT_SYSCALL_RETURN(val, action) EXPECT_EQ(-1, action)
#else
# define EXPECT_SYSCALL_RETURN(val, action) \
@@ -1745,116 +1854,92 @@ TEST_F(TRACE_poke, getpid_runs_normally)
} while (0)
#endif
-/* Use PTRACE_GETREGS and PTRACE_SETREGS when available. This is useful for
+/*
+ * Some architectures (e.g. powerpc) can only set syscall
+ * return values on syscall exit during ptrace.
+ */
+const bool ptrace_entry_set_syscall_nr = true;
+const bool ptrace_entry_set_syscall_ret =
+#ifndef SYSCALL_RET_SET_ON_PTRACE_EXIT
+ true;
+#else
+ false;
+#endif
+
+/*
+ * Use PTRACE_GETREGS and PTRACE_SETREGS when available. This is useful for
* architectures without HAVE_ARCH_TRACEHOOK (e.g. User-mode Linux).
*/
#if defined(__x86_64__) || defined(__i386__) || defined(__mips__)
-#define HAVE_GETREGS
+# define ARCH_GETREGS(_regs) ptrace(PTRACE_GETREGS, tracee, 0, &(_regs))
+# define ARCH_SETREGS(_regs) ptrace(PTRACE_SETREGS, tracee, 0, &(_regs))
+#else
+# define ARCH_GETREGS(_regs) ({ \
+ struct iovec __v; \
+ __v.iov_base = &(_regs); \
+ __v.iov_len = sizeof(_regs); \
+ ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &__v); \
+ })
+# define ARCH_SETREGS(_regs) ({ \
+ struct iovec __v; \
+ __v.iov_base = &(_regs); \
+ __v.iov_len = sizeof(_regs); \
+ ptrace(PTRACE_SETREGSET, tracee, NT_PRSTATUS, &__v); \
+ })
#endif
/* Architecture-specific syscall fetching routine. */
int get_syscall(struct __test_metadata *_metadata, pid_t tracee)
{
ARCH_REGS regs;
-#ifdef HAVE_GETREGS
- EXPECT_EQ(0, ptrace(PTRACE_GETREGS, tracee, 0, &regs)) {
- TH_LOG("PTRACE_GETREGS failed");
- return -1;
- }
-#else
- struct iovec iov;
- iov.iov_base = &regs;
- iov.iov_len = sizeof(regs);
- EXPECT_EQ(0, ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &iov)) {
- TH_LOG("PTRACE_GETREGSET failed");
+ EXPECT_EQ(0, ARCH_GETREGS(regs)) {
return -1;
}
-#endif
-#if defined(__mips__)
- if (regs.SYSCALL_NUM == __NR_O32_Linux)
- return regs.SYSCALL_SYSCALL_NUM;
-#endif
- return regs.SYSCALL_NUM;
+ return SYSCALL_NUM(regs);
}
/* Architecture-specific syscall changing routine. */
-void change_syscall(struct __test_metadata *_metadata,
- pid_t tracee, int syscall, int result)
+void __change_syscall(struct __test_metadata *_metadata,
+ pid_t tracee, long *syscall, long *ret)
{
- int ret;
- ARCH_REGS regs;
-#ifdef HAVE_GETREGS
- ret = ptrace(PTRACE_GETREGS, tracee, 0, &regs);
-#else
- struct iovec iov;
- iov.iov_base = &regs;
- iov.iov_len = sizeof(regs);
- ret = ptrace(PTRACE_GETREGSET, tracee, NT_PRSTATUS, &iov);
-#endif
- EXPECT_EQ(0, ret) {}
+ ARCH_REGS orig, regs;
-#if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \
- defined(__s390__) || defined(__hppa__) || defined(__riscv) || \
- defined(__xtensa__) || defined(__csky__) || defined(__sh__)
- {
- regs.SYSCALL_NUM = syscall;
- }
-#elif defined(__mips__)
- {
- if (regs.SYSCALL_NUM == __NR_O32_Linux)
- regs.SYSCALL_SYSCALL_NUM = syscall;
- else
- regs.SYSCALL_NUM = syscall;
- }
+ /* Do not get/set registers if we have nothing to do. */
+ if (!syscall && !ret)
+ return;
-#elif defined(__arm__)
-# ifndef PTRACE_SET_SYSCALL
-# define PTRACE_SET_SYSCALL 23
-# endif
- {
- ret = ptrace(PTRACE_SET_SYSCALL, tracee, NULL, syscall);
- EXPECT_EQ(0, ret);
+ EXPECT_EQ(0, ARCH_GETREGS(regs)) {
+ return;
}
+ orig = regs;
-#elif defined(__aarch64__)
-# ifndef NT_ARM_SYSTEM_CALL
-# define NT_ARM_SYSTEM_CALL 0x404
-# endif
- {
- iov.iov_base = &syscall;
- iov.iov_len = sizeof(syscall);
- ret = ptrace(PTRACE_SETREGSET, tracee, NT_ARM_SYSTEM_CALL,
- &iov);
- EXPECT_EQ(0, ret);
- }
+ if (syscall)
+ SYSCALL_NUM_SET(regs, *syscall);
-#else
- ASSERT_EQ(1, 0) {
- TH_LOG("How is the syscall changed on this architecture?");
- }
-#endif
+ if (ret)
+ SYSCALL_RET_SET(regs, *ret);
- /* If syscall is skipped, change return value. */
- if (syscall == -1)
-#ifdef SYSCALL_NUM_RET_SHARE_REG
- TH_LOG("Can't modify syscall return on this architecture");
+ /* Flush any register changes made. */
+ if (memcmp(&orig, &regs, sizeof(orig)) != 0)
+ EXPECT_EQ(0, ARCH_SETREGS(regs));
+}
-#elif defined(__xtensa__)
- regs.SYSCALL_RET(regs) = result;
-#else
- regs.SYSCALL_RET = result;
-#endif
+/* Change only syscall number. */
+void change_syscall_nr(struct __test_metadata *_metadata,
+ pid_t tracee, long syscall)
+{
+ __change_syscall(_metadata, tracee, &syscall, NULL);
+}
-#ifdef HAVE_GETREGS
- ret = ptrace(PTRACE_SETREGS, tracee, 0, &regs);
-#else
- iov.iov_base = &regs;
- iov.iov_len = sizeof(regs);
- ret = ptrace(PTRACE_SETREGSET, tracee, NT_PRSTATUS, &iov);
-#endif
- EXPECT_EQ(0, ret);
+/* Change syscall return value (and set syscall number to -1). */
+void change_syscall_ret(struct __test_metadata *_metadata,
+ pid_t tracee, long ret)
+{
+ long syscall = -1;
+
+ __change_syscall(_metadata, tracee, &syscall, &ret);
}
void tracer_seccomp(struct __test_metadata *_metadata, pid_t tracee,
@@ -1872,17 +1957,17 @@ void tracer_seccomp(struct __test_metadata *_metadata, pid_t tracee,
case 0x1002:
/* change getpid to getppid. */
EXPECT_EQ(__NR_getpid, get_syscall(_metadata, tracee));
- change_syscall(_metadata, tracee, __NR_getppid, 0);
+ change_syscall_nr(_metadata, tracee, __NR_getppid);
break;
case 0x1003:
/* skip gettid with valid return code. */
EXPECT_EQ(__NR_gettid, get_syscall(_metadata, tracee));
- change_syscall(_metadata, tracee, -1, 45000);
+ change_syscall_ret(_metadata, tracee, 45000);
break;
case 0x1004:
/* skip openat with error. */
EXPECT_EQ(__NR_openat, get_syscall(_metadata, tracee));
- change_syscall(_metadata, tracee, -1, -ESRCH);
+ change_syscall_ret(_metadata, tracee, -ESRCH);
break;
case 0x1005:
/* do nothing (allow getppid) */
@@ -1897,12 +1982,21 @@ void tracer_seccomp(struct __test_metadata *_metadata, pid_t tracee,
}
+FIXTURE(TRACE_syscall) {
+ struct sock_fprog prog;
+ pid_t tracer, mytid, mypid, parent;
+ long syscall_nr;
+};
+
void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee,
int status, void *args)
{
- int ret, nr;
+ int ret;
unsigned long msg;
static bool entry;
+ long syscall_nr_val, syscall_ret_val;
+ long *syscall_nr = NULL, *syscall_ret = NULL;
+ FIXTURE_DATA(TRACE_syscall) *self = args;
/*
* The traditional way to tell PTRACE_SYSCALL entry/exit
@@ -1916,24 +2010,48 @@ void tracer_ptrace(struct __test_metadata *_metadata, pid_t tracee,
EXPECT_EQ(entry ? PTRACE_EVENTMSG_SYSCALL_ENTRY
: PTRACE_EVENTMSG_SYSCALL_EXIT, msg);
- if (!entry)
- return;
+ /*
+ * Some architectures only support setting return values during
+ * syscall exit under ptrace, and on exit the syscall number may
+ * no longer be available. Therefore, save the initial sycall
+ * number here, so it can be examined during both entry and exit
+ * phases.
+ */
+ if (entry)
+ self->syscall_nr = get_syscall(_metadata, tracee);
- nr = get_syscall(_metadata, tracee);
+ /*
+ * Depending on the architecture's syscall setting abilities, we
+ * pick which things to set during this phase (entry or exit).
+ */
+ if (entry == ptrace_entry_set_syscall_nr)
+ syscall_nr = &syscall_nr_val;
+ if (entry == ptrace_entry_set_syscall_ret)
+ syscall_ret = &syscall_ret_val;
+
+ /* Now handle the actual rewriting cases. */
+ switch (self->syscall_nr) {
+ case __NR_getpid:
+ syscall_nr_val = __NR_getppid;
+ /* Never change syscall return for this case. */
+ syscall_ret = NULL;
+ break;
+ case __NR_gettid:
+ syscall_nr_val = -1;
+ syscall_ret_val = 45000;
+ break;
+ case __NR_openat:
+ syscall_nr_val = -1;
+ syscall_ret_val = -ESRCH;
+ break;
+ default:
+ /* Unhandled, do nothing. */
+ return;
+ }
- if (nr == __NR_getpid)
- change_syscall(_metadata, tracee, __NR_getppid, 0);
- if (nr == __NR_gettid)
- change_syscall(_metadata, tracee, -1, 45000);
- if (nr == __NR_openat)
- change_syscall(_metadata, tracee, -1, -ESRCH);
+ __change_syscall(_metadata, tracee, syscall_nr, syscall_ret);
}
-FIXTURE(TRACE_syscall) {
- struct sock_fprog prog;
- pid_t tracer, mytid, mypid, parent;
-};
-
FIXTURE_VARIANT(TRACE_syscall) {
/*
* All of the SECCOMP_RET_TRACE behaviors can be tested with either
@@ -1992,7 +2110,7 @@ FIXTURE_SETUP(TRACE_syscall)
self->tracer = setup_trace_fixture(_metadata,
variant->use_ptrace ? tracer_ptrace
: tracer_seccomp,
- NULL, variant->use_ptrace);
+ self, variant->use_ptrace);
ret = prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0);
ASSERT_EQ(0, ret);
@@ -3142,11 +3260,11 @@ skip:
static int user_notif_syscall(int nr, unsigned int flags)
{
struct sock_filter filter[] = {
- BPF_STMT(BPF_LD+BPF_W+BPF_ABS,
+ BPF_STMT(BPF_LD|BPF_W|BPF_ABS,
offsetof(struct seccomp_data, nr)),
- BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, nr, 0, 1),
- BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_USER_NOTIF),
- BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, nr, 0, 1),
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_USER_NOTIF),
+ BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_ALLOW),
};
struct sock_fprog prog = {
@@ -3699,7 +3817,7 @@ TEST(user_notification_filter_empty)
long ret;
int status;
struct pollfd pollfd;
- struct clone_args args = {
+ struct __clone_args args = {
.flags = CLONE_FILES,
.exit_signal = SIGCHLD,
};
@@ -3715,7 +3833,7 @@ TEST(user_notification_filter_empty)
if (pid == 0) {
int listener;
- listener = user_notif_syscall(__NR_mknod, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+ listener = user_notif_syscall(__NR_mknodat, SECCOMP_FILTER_FLAG_NEW_LISTENER);
if (listener < 0)
_exit(EXIT_FAILURE);
@@ -3753,7 +3871,7 @@ TEST(user_notification_filter_empty_threaded)
long ret;
int status;
struct pollfd pollfd;
- struct clone_args args = {
+ struct __clone_args args = {
.flags = CLONE_FILES,
.exit_signal = SIGCHLD,
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-11 17:36:34 +0300