diff options
Diffstat (limited to 'tools/testing/selftests')
-rw-r--r-- | tools/testing/selftests/bpf/config | 1 | ||||
-rwxr-xr-x | tools/testing/selftests/bpf/test_kmod.sh | 9 | ||||
-rwxr-xr-x | tools/testing/selftests/bpf/test_lirc_mode2.sh | 9 | ||||
-rwxr-xr-x | tools/testing/selftests/bpf/test_lwt_seg6local.sh | 9 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/test_sockmap.c | 6 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/test_verifier.c | 23 | ||||
-rwxr-xr-x[-rw-r--r--] | tools/testing/selftests/net/fib_tests.sh | 41 | ||||
-rwxr-xr-x | tools/testing/selftests/net/udpgso_bench.sh | 3 | ||||
-rw-r--r-- | tools/testing/selftests/rseq/rseq.h | 24 | ||||
-rw-r--r-- | tools/testing/selftests/x86/sigreturn.c | 59 |
10 files changed, 103 insertions, 81 deletions
diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config index 7eb613ffef55..b4994a94968b 100644 --- a/tools/testing/selftests/bpf/config +++ b/tools/testing/selftests/bpf/config @@ -6,6 +6,7 @@ CONFIG_TEST_BPF=m CONFIG_CGROUP_BPF=y CONFIG_NETDEVSIM=m CONFIG_NET_CLS_ACT=y +CONFIG_NET_SCHED=y CONFIG_NET_SCH_INGRESS=y CONFIG_NET_IPIP=y CONFIG_IPV6=y diff --git a/tools/testing/selftests/bpf/test_kmod.sh b/tools/testing/selftests/bpf/test_kmod.sh index 35669ccd4d23..9df0d2ac45f8 100755 --- a/tools/testing/selftests/bpf/test_kmod.sh +++ b/tools/testing/selftests/bpf/test_kmod.sh @@ -1,6 +1,15 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +msg="skip all tests:" +if [ "$(id -u)" != "0" ]; then + echo $msg please run this as root >&2 + exit $ksft_skip +fi + SRC_TREE=../../../../ test_run() diff --git a/tools/testing/selftests/bpf/test_lirc_mode2.sh b/tools/testing/selftests/bpf/test_lirc_mode2.sh index ce2e15e4f976..677686198df3 100755 --- a/tools/testing/selftests/bpf/test_lirc_mode2.sh +++ b/tools/testing/selftests/bpf/test_lirc_mode2.sh @@ -1,6 +1,15 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +msg="skip all tests:" +if [ $UID != 0 ]; then + echo $msg please run this as root >&2 + exit $ksft_skip +fi + GREEN='\033[0;92m' RED='\033[0;31m' NC='\033[0m' # No Color diff --git a/tools/testing/selftests/bpf/test_lwt_seg6local.sh b/tools/testing/selftests/bpf/test_lwt_seg6local.sh index 1c77994b5e71..270fa8f49573 100755 --- a/tools/testing/selftests/bpf/test_lwt_seg6local.sh +++ b/tools/testing/selftests/bpf/test_lwt_seg6local.sh @@ -21,6 +21,15 @@ # An UDP datagram is sent from fb00::1 to fb00::6. The test succeeds if this # datagram can be read on NS6 when binding to fb00::6. +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 + +msg="skip all tests:" +if [ $UID != 0 ]; then + echo $msg please run this as root >&2 + exit $ksft_skip +fi + TMP_FILE="/tmp/selftest_lwt_seg6local.txt" cleanup() diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c index 05c8cb71724a..9e78df207919 100644 --- a/tools/testing/selftests/bpf/test_sockmap.c +++ b/tools/testing/selftests/bpf/test_sockmap.c @@ -1413,18 +1413,12 @@ out: int main(int argc, char **argv) { - struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY}; int iov_count = 1, length = 1024, rate = 1; struct sockmap_options options = {0}; int opt, longindex, err, cg_fd = 0; char *bpf_file = BPF_SOCKMAP_FILENAME; int test = PING_PONG; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (argc < 2) return test_suite(); diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 2ecd27b670d7..f5f7bcc96046 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -4975,6 +4975,24 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_LWT_XMIT, }, { + "make headroom for LWT_XMIT", + .insns = { + BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), + BPF_MOV64_IMM(BPF_REG_2, 34), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_EMIT_CALL(BPF_FUNC_skb_change_head), + /* split for s390 to succeed */ + BPF_MOV64_REG(BPF_REG_1, BPF_REG_6), + BPF_MOV64_IMM(BPF_REG_2, 42), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_EMIT_CALL(BPF_FUNC_skb_change_head), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_LWT_XMIT, + }, + { "invalid access of tc_classid for LWT_IN", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, @@ -12554,8 +12572,11 @@ static void do_test_single(struct bpf_test *test, bool unpriv, } if (fd_prog >= 0) { + __u8 tmp[TEST_DATA_LEN << 2]; + __u32 size_tmp = sizeof(tmp); + err = bpf_prog_test_run(fd_prog, 1, test->data, - sizeof(test->data), NULL, NULL, + sizeof(test->data), tmp, &size_tmp, &retval, NULL); if (err && errno != 524/*ENOTSUPP*/ && errno != EPERM) { printf("Unexpected bpf_prog_test_run error\n"); diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 78245d60d8bc..0f45633bd634 100644..100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -740,13 +740,6 @@ ipv6_rt_add() run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64" log_test $? 2 "Attempt to add duplicate route - reject route" - # iproute2 prepend only sets NLM_F_CREATE - # - adds a new route; does NOT convert existing route to ECMP - add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" - run_cmd "$IP -6 ro prepend 2001:db8:104::/64 via 2001:db8:103::2" - check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024 2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024" - log_test $? 0 "Add new route for existing prefix (w/o NLM_F_EXCL)" - # route append with same prefix adds a new route # - iproute2 sets NLM_F_CREATE | NLM_F_APPEND add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" @@ -754,27 +747,6 @@ ipv6_rt_add() check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" log_test $? 0 "Append nexthop to existing route - gw" - add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" - run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3" - check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop dev veth3 weight 1" - log_test $? 0 "Append nexthop to existing route - dev only" - - # multipath route can not have a nexthop that is a reject route - add_route6 "2001:db8:104::/64" "via 2001:db8:101::2" - run_cmd "$IP -6 ro append unreachable 2001:db8:104::/64" - log_test $? 2 "Append nexthop to existing route - reject route" - - # reject route can not be converted to multipath route - run_cmd "$IP -6 ro flush 2001:db8:104::/64" - run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64" - run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2" - log_test $? 2 "Append nexthop to existing reject route - gw" - - run_cmd "$IP -6 ro flush 2001:db8:104::/64" - run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64" - run_cmd "$IP -6 ro append 2001:db8:104::/64 dev veth3" - log_test $? 2 "Append nexthop to existing reject route - dev only" - # insert mpath directly add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" @@ -819,13 +791,6 @@ ipv6_rt_replace_single() check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1" log_test $? 0 "Single path with multipath" - # single path with reject - # - add_initial_route6 "nexthop via 2001:db8:101::2" - run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64" - check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024" - log_test $? 0 "Single path with reject route" - # single path with single path using MULTIPATH attribute # add_initial_route6 "via 2001:db8:101::2" @@ -873,12 +838,6 @@ ipv6_rt_replace_mpath() check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024" log_test $? 0 "Multipath with single path via multipath attribute" - # multipath with reject - add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" - run_cmd "$IP -6 ro replace unreachable 2001:db8:104::/64" - check_route6 "unreachable 2001:db8:104::/64 dev lo metric 1024" - log_test $? 0 "Multipath with reject route" - # route replace fails - invalid nexthop 1 add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2" run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3" diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh index 792fa4d0285e..850767befa47 100755 --- a/tools/testing/selftests/net/udpgso_bench.sh +++ b/tools/testing/selftests/net/udpgso_bench.sh @@ -35,9 +35,6 @@ run_udp() { echo "udp gso" run_in_netns ${args} -S - - echo "udp gso zerocopy" - run_in_netns ${args} -S -z } run_tcp() { diff --git a/tools/testing/selftests/rseq/rseq.h b/tools/testing/selftests/rseq/rseq.h index a4684112676c..86ce22417e0d 100644 --- a/tools/testing/selftests/rseq/rseq.h +++ b/tools/testing/selftests/rseq/rseq.h @@ -133,17 +133,27 @@ static inline uint32_t rseq_current_cpu(void) return cpu; } +static inline void rseq_clear_rseq_cs(void) +{ +#ifdef __LP64__ + __rseq_abi.rseq_cs.ptr = 0; +#else + __rseq_abi.rseq_cs.ptr.ptr32 = 0; +#endif +} + /* - * rseq_prepare_unload() should be invoked by each thread using rseq_finish*() - * at least once between their last rseq_finish*() and library unload of the - * library defining the rseq critical section (struct rseq_cs). This also - * applies to use of rseq in code generated by JIT: rseq_prepare_unload() - * should be invoked at least once by each thread using rseq_finish*() before - * reclaim of the memory holding the struct rseq_cs. + * rseq_prepare_unload() should be invoked by each thread executing a rseq + * critical section at least once between their last critical section and + * library unload of the library defining the rseq critical section + * (struct rseq_cs). This also applies to use of rseq in code generated by + * JIT: rseq_prepare_unload() should be invoked at least once by each + * thread executing a rseq critical section before reclaim of the memory + * holding the struct rseq_cs. */ static inline void rseq_prepare_unload(void) { - __rseq_abi.rseq_cs = 0; + rseq_clear_rseq_cs(); } #endif /* RSEQ_H_ */ diff --git a/tools/testing/selftests/x86/sigreturn.c b/tools/testing/selftests/x86/sigreturn.c index 246145b84a12..4d9dc3f2fd70 100644 --- a/tools/testing/selftests/x86/sigreturn.c +++ b/tools/testing/selftests/x86/sigreturn.c @@ -610,21 +610,41 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss) */ for (int i = 0; i < NGREG; i++) { greg_t req = requested_regs[i], res = resulting_regs[i]; + if (i == REG_TRAPNO || i == REG_IP) continue; /* don't care */ - if (i == REG_SP) { - printf("\tSP: %llx -> %llx\n", (unsigned long long)req, - (unsigned long long)res); + if (i == REG_SP) { /* - * In many circumstances, the high 32 bits of rsp - * are zeroed. For example, we could be a real - * 32-bit program, or we could hit any of a number - * of poorly-documented IRET or segmented ESP - * oddities. If this happens, it's okay. + * If we were using a 16-bit stack segment, then + * the kernel is a bit stuck: IRET only restores + * the low 16 bits of ESP/RSP if SS is 16-bit. + * The kernel uses a hack to restore bits 31:16, + * but that hack doesn't help with bits 63:32. + * On Intel CPUs, bits 63:32 end up zeroed, and, on + * AMD CPUs, they leak the high bits of the kernel + * espfix64 stack pointer. There's very little that + * the kernel can do about it. + * + * Similarly, if we are returning to a 32-bit context, + * the CPU will often lose the high 32 bits of RSP. */ - if (res == (req & 0xFFFFFFFF)) - continue; /* OK; not expected to work */ + + if (res == req) + continue; + + if (cs_bits != 64 && ((res ^ req) & 0xFFFFFFFF) == 0) { + printf("[NOTE]\tSP: %llx -> %llx\n", + (unsigned long long)req, + (unsigned long long)res); + continue; + } + + printf("[FAIL]\tSP mismatch: requested 0x%llx; got 0x%llx\n", + (unsigned long long)requested_regs[i], + (unsigned long long)resulting_regs[i]); + nerrs++; + continue; } bool ignore_reg = false; @@ -654,25 +674,18 @@ static int test_valid_sigreturn(int cs_bits, bool use_16bit_ss, int force_ss) #endif /* Sanity check on the kernel */ - if (i == REG_CX && requested_regs[i] != resulting_regs[i]) { + if (i == REG_CX && req != res) { printf("[FAIL]\tCX (saved SP) mismatch: requested 0x%llx; got 0x%llx\n", - (unsigned long long)requested_regs[i], - (unsigned long long)resulting_regs[i]); + (unsigned long long)req, + (unsigned long long)res); nerrs++; continue; } - if (requested_regs[i] != resulting_regs[i] && !ignore_reg) { - /* - * SP is particularly interesting here. The - * usual cause of failures is that we hit the - * nasty IRET case of returning to a 16-bit SS, - * in which case bits 16:31 of the *kernel* - * stack pointer persist in ESP. - */ + if (req != res && !ignore_reg) { printf("[FAIL]\tReg %d mismatch: requested 0x%llx; got 0x%llx\n", - i, (unsigned long long)requested_regs[i], - (unsigned long long)resulting_regs[i]); + i, (unsigned long long)req, + (unsigned long long)res); nerrs++; } } |