Merge 6.5-rc4 into char-misc-next

We need the char-misc fixes in here as well for testing.

Signed-off-by: Greg Kroah-Hartman <[email protected]>

26 files changed, 149 insertions, 85 deletions

diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c
index 0e78d8e19895..fb6ab9cef84f 100644
--- a/tools/testing/cxl/test/cxl.c
+++ b/tools/testing/cxl/test/cxl.c
@@ -999,10 +999,6 @@ static void mock_companion(struct acpi_device *adev, struct device *dev)
 #define SZ_64G (SZ_32G * 2)
 #endif
 
-#ifndef SZ_512G
-#define SZ_512G (SZ_64G * 8)
-#endif
-
 static __init int cxl_rch_init(void)
 {
 	int rc, i;
diff --git a/tools/testing/radix-tree/maple.c b/tools/testing/radix-tree/maple.c
index 03539d86cdf0..75ea2081a317 100644
--- a/tools/testing/radix-tree/maple.c
+++ b/tools/testing/radix-tree/maple.c
@@ -206,9 +206,9 @@ static noinline void __init check_new_node(struct maple_tree *mt)
 				e = i - 1;
 		} else {
 			if (i >= 4)
-				e = i - 4;
-			else if (i == 3)
-				e = i - 2;
+				e = i - 3;
+			else if (i >= 1)
+				e = i - 1;
 			else
 				e = 0;
 		}
diff --git a/tools/testing/selftests/alsa/.gitignore b/tools/testing/selftests/alsa/.gitignore
index 2b0d11797f25..12dc3fcd3456 100644
--- a/tools/testing/selftests/alsa/.gitignore
+++ b/tools/testing/selftests/alsa/.gitignore
@@ -1,2 +1,3 @@
 mixer-test
 pcm-test
+test-pcmtest-driver
diff --git a/tools/testing/selftests/alsa/test-pcmtest-driver.c b/tools/testing/selftests/alsa/test-pcmtest-driver.c
index 71931b240a83..357adc722cba 100644
--- a/tools/testing/selftests/alsa/test-pcmtest-driver.c
+++ b/tools/testing/selftests/alsa/test-pcmtest-driver.c
@@ -47,10 +47,8 @@ static int read_patterns(void)
 
 		sprintf(pf, "/sys/kernel/debug/pcmtest/fill_pattern%d", i);
 		fp = fopen(pf, "r");
-		if (!fp) {
-			fclose(fpl);
+		if (!fp)
 			return -1;
-		}
 		fread(patterns[i].buf, 1, patterns[i].len, fp);
 		fclose(fp);
 	}
diff --git a/tools/testing/selftests/arm64/Makefile b/tools/testing/selftests/arm64/Makefile
index 9460cbe81bcc..ace8b67fb22d 100644
--- a/tools/testing/selftests/arm64/Makefile
+++ b/tools/testing/selftests/arm64/Makefile
@@ -42,7 +42,7 @@ run_tests: all
 	done
 
 # Avoid any output on non arm64 on emit_tests
-emit_tests: all
+emit_tests:
 	@for DIR in $(ARM64_SUBTARGETS); do				\
 		BUILD_TARGET=$(OUTPUT)/$$DIR;			\
 		make OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\
diff --git a/tools/testing/selftests/bpf/progs/async_stack_depth.c b/tools/testing/selftests/bpf/progs/async_stack_depth.c
index 477ba950bb43..3517c0e01206 100644
--- a/tools/testing/selftests/bpf/progs/async_stack_depth.c
+++ b/tools/testing/selftests/bpf/progs/async_stack_depth.c
@@ -22,9 +22,16 @@ static int timer_cb(void *map, int *key, struct bpf_timer *timer)
 	return buf[69];
 }
 
+__attribute__((noinline))
+static int bad_timer_cb(void *map, int *key, struct bpf_timer *timer)
+{
+	volatile char buf[300] = {};
+	return buf[255] + timer_cb(NULL, NULL, NULL);
+}
+
 SEC("tc")
-__failure __msg("combined stack size of 2 calls")
-int prog(struct __sk_buff *ctx)
+__failure __msg("combined stack size of 2 calls is 576. Too large")
+int pseudo_call_check(struct __sk_buff *ctx)
 {
 	struct hmap_elem *elem;
 	volatile char buf[256] = {};
@@ -37,4 +44,18 @@ int prog(struct __sk_buff *ctx)
 	return bpf_timer_set_callback(&elem->timer, timer_cb) + buf[0];
 }
 
+SEC("tc")
+__failure __msg("combined stack size of 2 calls is 608. Too large")
+int async_call_root_check(struct __sk_buff *ctx)
+{
+	struct hmap_elem *elem;
+	volatile char buf[256] = {};
+
+	elem = bpf_map_lookup_elem(&hmap, &(int){0});
+	if (!elem)
+		return 0;
+
+	return bpf_timer_set_callback(&elem->timer, bad_timer_cb) + buf[0];
+}
+
 char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc
index b89de1771655..f34b14ef9781 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc
@@ -13,7 +13,7 @@ if grep -qF "f[:[<group>/][<event>]] <func-name>[%return] [<args>]" README ; the
   FPROBES=yes
 fi
 
-if [ -z "$KPROBES" -a "$FPROBES" ] ; then
+if [ -z "$KPROBES" -a -z "$FPROBES" ] ; then
   exit_unsupported
 fi
 
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 07732a157ccd..eb1ff597bcca 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -362,8 +362,10 @@ static inline void read_stats_header(int stats_fd, struct kvm_stats_header *head
 {
 	ssize_t ret;
 
-	ret = read(stats_fd, header, sizeof(*header));
-	TEST_ASSERT(ret == sizeof(*header), "Read stats header");
+	ret = pread(stats_fd, header, sizeof(*header), 0);
+	TEST_ASSERT(ret == sizeof(*header),
+		    "Failed to read '%lu' header bytes, ret = '%ld'",
+		    sizeof(*header), ret);
 }
 
 struct kvm_stats_desc *read_stats_descriptors(int stats_fd,
diff --git a/tools/testing/selftests/kvm/kvm_binary_stats_test.c b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
index a7001e29dc06..698c1cfa3111 100644
--- a/tools/testing/selftests/kvm/kvm_binary_stats_test.c
+++ b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
@@ -43,8 +43,10 @@ static void stats_test(int stats_fd)
 	id = malloc(header.name_size);
 	TEST_ASSERT(id, "Allocate memory for id string");
 
-	ret = read(stats_fd, id, header.name_size);
-	TEST_ASSERT(ret == header.name_size, "Read id string");
+	ret = pread(stats_fd, id, header.name_size, sizeof(header));
+	TEST_ASSERT(ret == header.name_size,
+		    "Expected header size '%u', read '%lu' bytes",
+		    header.name_size, ret);
 
 	/* Check id string, that should start with "kvm" */
 	TEST_ASSERT(!strncmp(id, "kvm", 3) && strlen(id) < header.name_size,
@@ -165,23 +167,7 @@ static void stats_test(int stats_fd)
 	free(stats_data);
 	free(stats_desc);
 	free(id);
-}
-
-
-static void vm_stats_test(struct kvm_vm *vm)
-{
-	int stats_fd = vm_get_stats_fd(vm);
-
-	stats_test(stats_fd);
-	close(stats_fd);
-	TEST_ASSERT(fcntl(stats_fd, F_GETFD) == -1, "Stats fd not freed");
-}
-
-static void vcpu_stats_test(struct kvm_vcpu *vcpu)
-{
-	int stats_fd = vcpu_get_stats_fd(vcpu);
 
-	stats_test(stats_fd);
 	close(stats_fd);
 	TEST_ASSERT(fcntl(stats_fd, F_GETFD) == -1, "Stats fd not freed");
 }
@@ -199,6 +185,7 @@ static void vcpu_stats_test(struct kvm_vcpu *vcpu)
 
 int main(int argc, char *argv[])
 {
+	int vm_stats_fds, *vcpu_stats_fds;
 	int i, j;
 	struct kvm_vcpu **vcpus;
 	struct kvm_vm **vms;
@@ -231,23 +218,58 @@ int main(int argc, char *argv[])
 	vcpus = malloc(sizeof(struct kvm_vcpu *) * max_vm * max_vcpu);
 	TEST_ASSERT(vcpus, "Allocate memory for storing vCPU pointers");
 
+	/*
+	 * Not per-VM as the array is populated, used, and invalidated within a
+	 * single for-loop iteration.
+	 */
+	vcpu_stats_fds = calloc(max_vm, sizeof(*vcpu_stats_fds));
+	TEST_ASSERT(vcpu_stats_fds, "Allocate memory for VM stats fds");
+
 	for (i = 0; i < max_vm; ++i) {
 		vms[i] = vm_create_barebones();
 		for (j = 0; j < max_vcpu; ++j)
 			vcpus[i * max_vcpu + j] = __vm_vcpu_add(vms[i], j);
 	}
 
-	/* Check stats read for every VM and VCPU */
+	/*
+	 * Check stats read for every VM and vCPU, with a variety of flavors.
+	 * Note, stats_test() closes the passed in stats fd.
+	 */
 	for (i = 0; i < max_vm; ++i) {
-		vm_stats_test(vms[i]);
+		/*
+		 * Verify that creating multiple userspace references to a
+		 * single stats file works and doesn't cause explosions.
+		 */
+		vm_stats_fds = vm_get_stats_fd(vms[i]);
+		stats_test(dup(vm_stats_fds));
+
+		/* Verify userspace can instantiate multiple stats files. */
+		stats_test(vm_get_stats_fd(vms[i]));
+
+		for (j = 0; j < max_vcpu; ++j) {
+			vcpu_stats_fds[j] = vcpu_get_stats_fd(vcpus[i * max_vcpu + j]);
+			stats_test(dup(vcpu_stats_fds[j]));
+			stats_test(vcpu_get_stats_fd(vcpus[i * max_vcpu + j]));
+		}
+
+		/*
+		 * Close the VM fd and redo the stats tests.  KVM should gift a
+		 * reference (to the VM) to each stats fd, i.e. stats should
+		 * still be accessible even after userspace has put its last
+		 * _direct_ reference to the VM.
+		 */
+		kvm_vm_free(vms[i]);
+
+		stats_test(vm_stats_fds);
 		for (j = 0; j < max_vcpu; ++j)
-			vcpu_stats_test(vcpus[i * max_vcpu + j]);
+			stats_test(vcpu_stats_fds[j]);
+
 		ksft_test_result_pass("vm%i\n", i);
 	}
 
-	for (i = 0; i < max_vm; ++i)
-		kvm_vm_free(vms[i]);
 	free(vms);
+	free(vcpus);
+	free(vcpu_stats_fds);
 
 	ksft_finished();	/* Print results and exit() accordingly */
 }
diff --git a/tools/testing/selftests/kvm/x86_64/set_sregs_test.c b/tools/testing/selftests/kvm/x86_64/set_sregs_test.c
index a284fcef6ed7..3610981d9162 100644
--- a/tools/testing/selftests/kvm/x86_64/set_sregs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/set_sregs_test.c
@@ -22,26 +22,25 @@
 #include "kvm_util.h"
 #include "processor.h"
 
-static void test_cr4_feature_bit(struct kvm_vcpu *vcpu, struct kvm_sregs *orig,
-				 uint64_t feature_bit)
-{
-	struct kvm_sregs sregs;
-	int rc;
-
-	/* Skip the sub-test, the feature is supported. */
-	if (orig->cr4 & feature_bit)
-		return;
-
-	memcpy(&sregs, orig, sizeof(sregs));
-	sregs.cr4 |= feature_bit;
-
-	rc = _vcpu_sregs_set(vcpu, &sregs);
-	TEST_ASSERT(rc, "KVM allowed unsupported CR4 bit (0x%lx)", feature_bit);
-
-	/* Sanity check that KVM didn't change anything. */
-	vcpu_sregs_get(vcpu, &sregs);
-	TEST_ASSERT(!memcmp(&sregs, orig, sizeof(sregs)), "KVM modified sregs");
-}
+#define TEST_INVALID_CR_BIT(vcpu, cr, orig, bit)				\
+do {										\
+	struct kvm_sregs new;							\
+	int rc;									\
+										\
+	/* Skip the sub-test, the feature/bit is supported. */			\
+	if (orig.cr & bit)							\
+		break;								\
+										\
+	memcpy(&new, &orig, sizeof(sregs));					\
+	new.cr |= bit;								\
+										\
+	rc = _vcpu_sregs_set(vcpu, &new);					\
+	TEST_ASSERT(rc, "KVM allowed invalid " #cr " bit (0x%lx)", bit);	\
+										\
+	/* Sanity check that KVM didn't change anything. */			\
+	vcpu_sregs_get(vcpu, &new);						\
+	TEST_ASSERT(!memcmp(&new, &orig, sizeof(new)), "KVM modified sregs");	\
+} while (0)
 
 static uint64_t calc_supported_cr4_feature_bits(void)
 {
@@ -80,7 +79,7 @@ int main(int argc, char *argv[])
 	struct kvm_vcpu *vcpu;
 	struct kvm_vm *vm;
 	uint64_t cr4;
-	int rc;
+	int rc, i;
 
 	/*
 	 * Create a dummy VM, specifically to avoid doing KVM_SET_CPUID2, and
@@ -92,6 +91,7 @@ int main(int argc, char *argv[])
 
 	vcpu_sregs_get(vcpu, &sregs);
 
+	sregs.cr0 = 0;
 	sregs.cr4 |= calc_supported_cr4_feature_bits();
 	cr4 = sregs.cr4;
 
@@ -103,16 +103,24 @@ int main(int argc, char *argv[])
 		    sregs.cr4, cr4);
 
 	/* Verify all unsupported features are rejected by KVM. */
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_UMIP);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_LA57);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_VMXE);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_SMXE);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_FSGSBASE);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_PCIDE);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_OSXSAVE);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_SMEP);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_SMAP);
-	test_cr4_feature_bit(vcpu, &sregs, X86_CR4_PKE);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_UMIP);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_LA57);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_VMXE);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_SMXE);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_FSGSBASE);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_PCIDE);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_OSXSAVE);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_SMEP);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_SMAP);
+	TEST_INVALID_CR_BIT(vcpu, cr4, sregs, X86_CR4_PKE);
+
+	for (i = 32; i < 64; i++)
+		TEST_INVALID_CR_BIT(vcpu, cr0, sregs, BIT(i));
+
+	/* NW without CD is illegal, as is PG without PE. */
+	TEST_INVALID_CR_BIT(vcpu, cr0, sregs, X86_CR0_NW);
+	TEST_INVALID_CR_BIT(vcpu, cr0, sregs, X86_CR0_PG);
+
 	kvm_vm_free(vm);
 
 	/* Create a "real" VM and verify APIC_BASE can be set. */
diff --git a/tools/testing/selftests/mincore/mincore_selftest.c b/tools/testing/selftests/mincore/mincore_selftest.c
index 4c88238fc8f0..e949a43a6145 100644
--- a/tools/testing/selftests/mincore/mincore_selftest.c
+++ b/tools/testing/selftests/mincore/mincore_selftest.c
@@ -150,8 +150,8 @@ TEST(check_huge_pages)
 		MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB,
 		-1, 0);
 	if (addr == MAP_FAILED) {
-		if (errno == ENOMEM)
-			SKIP(return, "No huge pages available.");
+		if (errno == ENOMEM || errno == EINVAL)
+			SKIP(return, "No huge pages available or CONFIG_HUGETLB_PAGE disabled.");
 		else
 			TH_LOG("mmap error: %s", strerror(errno));
 	}
diff --git a/tools/testing/selftests/mm/charge_reserved_hugetlb.sh b/tools/testing/selftests/mm/charge_reserved_hugetlb.sh
index a5cb4b09a46c..a5cb4b09a46c 100644..100755
--- a/tools/testing/selftests/mm/charge_reserved_hugetlb.sh
+++ b/tools/testing/selftests/mm/charge_reserved_hugetlb.sh
diff --git a/tools/testing/selftests/mm/check_config.sh b/tools/testing/selftests/mm/check_config.sh
index 3954f4746161..3954f4746161 100644..100755
--- a/tools/testing/selftests/mm/check_config.sh
+++ b/tools/testing/selftests/mm/check_config.sh
diff --git a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh
index bf2d2a684edf..bf2d2a684edf 100644..100755
--- a/tools/testing/selftests/mm/hugetlb_reparenting_test.sh
+++ b/tools/testing/selftests/mm/hugetlb_reparenting_test.sh
diff --git a/tools/testing/selftests/mm/mkdirty.c b/tools/testing/selftests/mm/mkdirty.c
index 6d71d972997b..301abb99e027 100644
--- a/tools/testing/selftests/mm/mkdirty.c
+++ b/tools/testing/selftests/mm/mkdirty.c
@@ -321,8 +321,8 @@ close_uffd:
 munmap:
 	munmap(dst, pagesize);
 	free(src);
-#endif /* __NR_userfaultfd */
 }
+#endif /* __NR_userfaultfd */
 
 int main(void)
 {
diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh
index 3f26f6e15b2a..3f26f6e15b2a 100644..100755
--- a/tools/testing/selftests/mm/run_vmtests.sh
+++ b/tools/testing/selftests/mm/run_vmtests.sh
diff --git a/tools/testing/selftests/mm/test_hmm.sh b/tools/testing/selftests/mm/test_hmm.sh
index 46e19b5d648d..46e19b5d648d 100644..100755
--- a/tools/testing/selftests/mm/test_hmm.sh
+++ b/tools/testing/selftests/mm/test_hmm.sh
diff --git a/tools/testing/selftests/mm/test_vmalloc.sh b/tools/testing/selftests/mm/test_vmalloc.sh
index d73b846736f1..d73b846736f1 100644..100755
--- a/tools/testing/selftests/mm/test_vmalloc.sh
+++ b/tools/testing/selftests/mm/test_vmalloc.sh
diff --git a/tools/testing/selftests/mm/va_high_addr_switch.sh b/tools/testing/selftests/mm/va_high_addr_switch.sh
index 45cae7cab27e..45cae7cab27e 100644..100755
--- a/tools/testing/selftests/mm/va_high_addr_switch.sh
+++ b/tools/testing/selftests/mm/va_high_addr_switch.sh
diff --git a/tools/testing/selftests/mm/write_hugetlb_memory.sh b/tools/testing/selftests/mm/write_hugetlb_memory.sh
index 70a02301f4c2..70a02301f4c2 100644..100755
--- a/tools/testing/selftests/mm/write_hugetlb_memory.sh
+++ b/tools/testing/selftests/mm/write_hugetlb_memory.sh
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index e6c9d5451c5b..3c2096ac97ef 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -162,9 +162,7 @@ check_tools()
 	elif ! iptables -V &> /dev/null; then
 		echo "SKIP: Could not run all tests without iptables tool"
 		exit $ksft_skip
-	fi
-
-	if ! ip6tables -V &> /dev/null; then
+	elif ! ip6tables -V &> /dev/null; then
 		echo "SKIP: Could not run all tests without ip6tables tool"
 		exit $ksft_skip
 	fi
diff --git a/tools/testing/selftests/riscv/Makefile b/tools/testing/selftests/riscv/Makefile
index 9dd629cc86aa..f4b3d5c9af5b 100644
--- a/tools/testing/selftests/riscv/Makefile
+++ b/tools/testing/selftests/riscv/Makefile
@@ -43,7 +43,7 @@ run_tests: all
 	done
 
 # Avoid any output on non riscv on emit_tests
-emit_tests: all
+emit_tests:
 	@for DIR in $(RISCV_SUBTARGETS); do				\
 		BUILD_TARGET=$(OUTPUT)/$$DIR;			\
 		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\
diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c
index 4e4aa006004c..a723da253244 100644
--- a/tools/testing/selftests/rseq/rseq.c
+++ b/tools/testing/selftests/rseq/rseq.c
@@ -34,9 +34,17 @@
 #include "../kselftest.h"
 #include "rseq.h"
 
-static const ptrdiff_t *libc_rseq_offset_p;
-static const unsigned int *libc_rseq_size_p;
-static const unsigned int *libc_rseq_flags_p;
+/*
+ * Define weak versions to play nice with binaries that are statically linked
+ * against a libc that doesn't support registering its own rseq.
+ */
+__weak ptrdiff_t __rseq_offset;
+__weak unsigned int __rseq_size;
+__weak unsigned int __rseq_flags;
+
+static const ptrdiff_t *libc_rseq_offset_p = &__rseq_offset;
+static const unsigned int *libc_rseq_size_p = &__rseq_size;
+static const unsigned int *libc_rseq_flags_p = &__rseq_flags;
 
 /* Offset from the thread pointer to the rseq area. */
 ptrdiff_t rseq_offset;
@@ -155,9 +163,17 @@ unsigned int get_rseq_feature_size(void)
 static __attribute__((constructor))
 void rseq_init(void)
 {
-	libc_rseq_offset_p = dlsym(RTLD_NEXT, "__rseq_offset");
-	libc_rseq_size_p = dlsym(RTLD_NEXT, "__rseq_size");
-	libc_rseq_flags_p = dlsym(RTLD_NEXT, "__rseq_flags");
+	/*
+	 * If the libc's registered rseq size isn't already valid, it may be
+	 * because the binary is dynamically linked and not necessarily due to
+	 * libc not having registered a restartable sequence.  Try to find the
+	 * symbols if that's the case.
+	 */
+	if (!*libc_rseq_size_p) {
+		libc_rseq_offset_p = dlsym(RTLD_NEXT, "__rseq_offset");
+		libc_rseq_size_p = dlsym(RTLD_NEXT, "__rseq_size");
+		libc_rseq_flags_p = dlsym(RTLD_NEXT, "__rseq_flags");
+	}
 	if (libc_rseq_size_p && libc_rseq_offset_p && libc_rseq_flags_p &&
 			*libc_rseq_size_p != 0) {
 		/* rseq registration owned by glibc */
diff --git a/tools/testing/selftests/tc-testing/config b/tools/testing/selftests/tc-testing/config
index 6e73b09c20c8..71706197ba0f 100644
--- a/tools/testing/selftests/tc-testing/config
+++ b/tools/testing/selftests/tc-testing/config
@@ -5,6 +5,8 @@ CONFIG_NF_CONNTRACK=m
 CONFIG_NF_CONNTRACK_MARK=y
 CONFIG_NF_CONNTRACK_ZONES=y
 CONFIG_NF_CONNTRACK_LABELS=y
+CONFIG_NF_CONNTRACK_PROCFS=y
+CONFIG_NF_FLOW_TABLE=m
 CONFIG_NF_NAT=m
 CONFIG_NETFILTER_XT_TARGET_LOG=m
 
diff --git a/tools/testing/selftests/tc-testing/settings b/tools/testing/selftests/tc-testing/settings
new file mode 100644
index 000000000000..e2206265f67c
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/settings
@@ -0,0 +1 @@
+timeout=900
diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c
index 5beceeed0d11..6eba203f9da7 100644
--- a/tools/testing/selftests/timers/raw_skew.c
+++ b/tools/testing/selftests/timers/raw_skew.c
@@ -129,8 +129,7 @@ int main(int argc, char **argv)
 	printf("%lld.%i(est)", eppm/1000, abs((int)(eppm%1000)));
 
 	/* Avg the two actual freq samples adjtimex gave us */
-	ppm = (tx1.freq + tx2.freq) * 1000 / 2;
-	ppm = (long long)tx1.freq * 1000;
+	ppm = (long long)(tx1.freq + tx2.freq) * 1000 / 2;
 	ppm = shift_right(ppm, 16);
 	printf(" %lld.%i(act)", ppm/1000, abs((int)(ppm%1000)));