October 2024 - Linux-kselftest-mirror

[PATCH] selftests/intel_pstate: fix operand expected

by Alessandro Zanni

This fix solves these errors, when calling kselftest with targets "intel_pstate": - ./run.sh: line 90: / 1000: syntax error: operand expected (error token is "/ 1000") - ./run.sh: line 92: / 1000: syntax error: operand expected (error token is "/ 1000") To error was found by running tests manually with the command: make kselftest TARGETS=intel_pstate Signed-off-by: Alessandro Zanni <alessandro.zanni87(a)gmail.com> --- tools/testing/selftests/intel_pstate/run.sh | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/intel_pstate/run.sh b/tools/testing/selftests/intel_pstate/run.sh index e7008f614ad7..39130a359535 100755 --- a/tools/testing/selftests/intel_pstate/run.sh +++ b/tools/testing/selftests/intel_pstate/run.sh @@ -87,9 +87,11 @@ mkt_freq=${_mkt_freq}0 # Get the ranges from cpupower _min_freq=$(cpupower frequency-info -l | tail -1 | awk ' { print $1 } ') -min_freq=$(($_min_freq / 1000)) +min_freq=$((_min_freq / 1000)) +echo "min_freq:" +echo $min_freq _max_freq=$(cpupower frequency-info -l | tail -1 | awk ' { print $2 } ') -max_freq=$(($_max_freq / 1000)) +max_freq=$((_max_freq / 1000)) [ $EVALUATE_ONLY -eq 0 ] && for freq in `seq $max_freq -100 $min_freq` -- 2.43.0

2 months, 1 week

2
1
0 0

[PATCH] selftests:timers: remove local CLOCKID defines

by Shuah Khan

timers tests defines CLOCKIDs locally. Remove all local CLOCKIDs except CLOCK_HWSPECIFIC and use defines from time.h header file. CLOCK_HWSPECIFIC and CLOCK_SGI_CYCLE are the same and CLOCK_SGI_CYCLE is deprecated, Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> --- tools/testing/selftests/timers/adjtick.c | 2 -- .../selftests/timers/alarmtimer-suspend.c | 15 --------------- .../selftests/timers/inconsistency-check.c | 19 ++++--------------- tools/testing/selftests/timers/nanosleep.c | 18 ++++-------------- tools/testing/selftests/timers/nsleep-lat.c | 19 ++++--------------- tools/testing/selftests/timers/raw_skew.c | 2 -- .../testing/selftests/timers/set-timer-lat.c | 16 +++------------- 7 files changed, 15 insertions(+), 76 deletions(-) diff --git a/tools/testing/selftests/timers/adjtick.c b/tools/testing/selftests/timers/adjtick.c index cb9a30f54662..777d9494b683 100644 --- a/tools/testing/selftests/timers/adjtick.c +++ b/tools/testing/selftests/timers/adjtick.c @@ -26,8 +26,6 @@ #include "../kselftest.h" -#define CLOCK_MONOTONIC_RAW 4 - #define MILLION 1000000 long systick; diff --git a/tools/testing/selftests/timers/alarmtimer-suspend.c b/tools/testing/selftests/timers/alarmtimer-suspend.c index 62da2a3f949e..2da382df5eaa 100644 --- a/tools/testing/selftests/timers/alarmtimer-suspend.c +++ b/tools/testing/selftests/timers/alarmtimer-suspend.c @@ -31,21 +31,6 @@ #include <include/vdso/time64.h> #include "../kselftest.h" -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 -#define CLOCK_PROCESS_CPUTIME_ID 2 -#define CLOCK_THREAD_CPUTIME_ID 3 -#define CLOCK_MONOTONIC_RAW 4 -#define CLOCK_REALTIME_COARSE 5 -#define CLOCK_MONOTONIC_COARSE 6 -#define CLOCK_BOOTTIME 7 -#define CLOCK_REALTIME_ALARM 8 -#define CLOCK_BOOTTIME_ALARM 9 -#define CLOCK_HWSPECIFIC 10 -#define CLOCK_TAI 11 -#define NR_CLOCKIDS 12 - - #define UNREASONABLE_LAT (NSEC_PER_SEC * 5) /* hopefully we resume in 5 secs */ #define SUSPEND_SECS 15 diff --git a/tools/testing/selftests/timers/inconsistency-check.c b/tools/testing/selftests/timers/inconsistency-check.c index 75650cf0503f..9d1573769d55 100644 --- a/tools/testing/selftests/timers/inconsistency-check.c +++ b/tools/testing/selftests/timers/inconsistency-check.c @@ -31,21 +31,10 @@ #include <include/vdso/time64.h> #include "../kselftest.h" -#define CALLS_PER_LOOP 64 - -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 -#define CLOCK_PROCESS_CPUTIME_ID 2 -#define CLOCK_THREAD_CPUTIME_ID 3 -#define CLOCK_MONOTONIC_RAW 4 -#define CLOCK_REALTIME_COARSE 5 -#define CLOCK_MONOTONIC_COARSE 6 -#define CLOCK_BOOTTIME 7 -#define CLOCK_REALTIME_ALARM 8 -#define CLOCK_BOOTTIME_ALARM 9 +/* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 -#define CLOCK_TAI 11 -#define NR_CLOCKIDS 12 + +#define CALLS_PER_LOOP 64 char *clockstring(int clockid) { @@ -152,7 +141,7 @@ int main(int argc, char *argv[]) { int clockid, opt; int userclock = CLOCK_REALTIME; - int maxclocks = NR_CLOCKIDS; + int maxclocks = CLOCK_TAI + 1; int runtime = 10; struct timespec ts; diff --git a/tools/testing/selftests/timers/nanosleep.c b/tools/testing/selftests/timers/nanosleep.c index 9a354e38a569..252c6308c569 100644 --- a/tools/testing/selftests/timers/nanosleep.c +++ b/tools/testing/selftests/timers/nanosleep.c @@ -30,19 +30,8 @@ #include <include/vdso/time64.h> #include "../kselftest.h" -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 -#define CLOCK_PROCESS_CPUTIME_ID 2 -#define CLOCK_THREAD_CPUTIME_ID 3 -#define CLOCK_MONOTONIC_RAW 4 -#define CLOCK_REALTIME_COARSE 5 -#define CLOCK_MONOTONIC_COARSE 6 -#define CLOCK_BOOTTIME 7 -#define CLOCK_REALTIME_ALARM 8 -#define CLOCK_BOOTTIME_ALARM 9 +/* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 -#define CLOCK_TAI 11 -#define NR_CLOCKIDS 12 #define UNSUPPORTED 0xf00f @@ -131,11 +120,12 @@ int main(int argc, char **argv) { long long length; int clockid, ret; + int max_clocks = CLOCK_TAI + 1; ksft_print_header(); - ksft_set_plan(NR_CLOCKIDS); + ksft_set_plan(max_clocks); - for (clockid = CLOCK_REALTIME; clockid < NR_CLOCKIDS; clockid++) { + for (clockid = CLOCK_REALTIME; clockid < max_clocks; clockid++) { /* Skip cputime clockids since nanosleep won't increment cputime */ if (clockid == CLOCK_PROCESS_CPUTIME_ID || diff --git a/tools/testing/selftests/timers/nsleep-lat.c b/tools/testing/selftests/timers/nsleep-lat.c index f6a99490b291..de23dc0c9f97 100644 --- a/tools/testing/selftests/timers/nsleep-lat.c +++ b/tools/testing/selftests/timers/nsleep-lat.c @@ -29,20 +29,8 @@ #define UNRESONABLE_LATENCY 40000000 /* 40ms in nanosecs */ - -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 -#define CLOCK_PROCESS_CPUTIME_ID 2 -#define CLOCK_THREAD_CPUTIME_ID 3 -#define CLOCK_MONOTONIC_RAW 4 -#define CLOCK_REALTIME_COARSE 5 -#define CLOCK_MONOTONIC_COARSE 6 -#define CLOCK_BOOTTIME 7 -#define CLOCK_REALTIME_ALARM 8 -#define CLOCK_BOOTTIME_ALARM 9 +/* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 -#define CLOCK_TAI 11 -#define NR_CLOCKIDS 12 #define UNSUPPORTED 0xf00f @@ -144,11 +132,12 @@ int main(int argc, char **argv) { long long length; int clockid, ret; + int max_clocks = CLOCK_TAI + 1; ksft_print_header(); - ksft_set_plan(NR_CLOCKIDS - CLOCK_REALTIME - SKIPPED_CLOCK_COUNT); + ksft_set_plan(max_clocks - CLOCK_REALTIME - SKIPPED_CLOCK_COUNT); - for (clockid = CLOCK_REALTIME; clockid < NR_CLOCKIDS; clockid++) { + for (clockid = CLOCK_REALTIME; clockid < max_clocks; clockid++) { /* Skip cputime clockids since nanosleep won't increment cputime */ if (clockid == CLOCK_PROCESS_CPUTIME_ID || diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c index ea50e4efc422..957f7cd29cb1 100644 --- a/tools/testing/selftests/timers/raw_skew.c +++ b/tools/testing/selftests/timers/raw_skew.c @@ -28,8 +28,6 @@ #include <include/vdso/time64.h> #include "../kselftest.h" -#define CLOCK_MONOTONIC_RAW 4 - #define shift_right(x, s) ({ \ __typeof__(x) __x = (x); \ __typeof__(s) __s = (s); \ diff --git a/tools/testing/selftests/timers/set-timer-lat.c b/tools/testing/selftests/timers/set-timer-lat.c index 5365e9ae61c3..4574f8f04542 100644 --- a/tools/testing/selftests/timers/set-timer-lat.c +++ b/tools/testing/selftests/timers/set-timer-lat.c @@ -31,19 +31,8 @@ #include <include/vdso/time64.h> #include "../kselftest.h" -#define CLOCK_REALTIME 0 -#define CLOCK_MONOTONIC 1 -#define CLOCK_PROCESS_CPUTIME_ID 2 -#define CLOCK_THREAD_CPUTIME_ID 3 -#define CLOCK_MONOTONIC_RAW 4 -#define CLOCK_REALTIME_COARSE 5 -#define CLOCK_MONOTONIC_COARSE 6 -#define CLOCK_BOOTTIME 7 -#define CLOCK_REALTIME_ALARM 8 -#define CLOCK_BOOTTIME_ALARM 9 +/* CLOCK_HWSPECIFIC == CLOCK_SGI_CYCLE (Deprecated) */ #define CLOCK_HWSPECIFIC 10 -#define CLOCK_TAI 11 -#define NR_CLOCKIDS 12 #define UNRESONABLE_LATENCY 40000000 /* 40ms in nanosecs */ @@ -253,6 +242,7 @@ int main(void) struct sigaction act; int signum = SIGRTMAX; int ret = 0; + int max_clocks = CLOCK_TAI + 1; /* Set up signal handler: */ sigfillset(&act.sa_mask); @@ -261,7 +251,7 @@ int main(void) sigaction(signum, &act, NULL); printf("Setting timers for every %i seconds\n", TIMER_SECS); - for (clock_id = 0; clock_id < NR_CLOCKIDS; clock_id++) { + for (clock_id = 0; clock_id < max_clocks; clock_id++) { if ((clock_id == CLOCK_PROCESS_CPUTIME_ID) || (clock_id == CLOCK_THREAD_CPUTIME_ID) || -- 2.40.1

2 months, 1 week

3
3
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[PATCH] selftests: timers: Remove unneeded semicolon

by Chen Ni

Remove unnecessary semicolons reported by Coccinelle/coccicheck and the semantic patch at scripts/coccinelle/misc/semicolon.cocci. Signed-off-by: Chen Ni <nichen(a)iscas.ac.cn> --- tools/testing/selftests/timers/set-timer-lat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/timers/set-timer-lat.c b/tools/testing/selftests/timers/set-timer-lat.c index 5365e9ae61c3..7a1a2382538c 100644 --- a/tools/testing/selftests/timers/set-timer-lat.c +++ b/tools/testing/selftests/timers/set-timer-lat.c @@ -79,7 +79,7 @@ char *clockstring(int clockid) return "CLOCK_BOOTTIME_ALARM"; case CLOCK_TAI: return "CLOCK_TAI"; - }; + } return "UNKNOWN_CLOCKID"; } -- 2.25.1

2 months, 1 week

3
3
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[RFC PATCH] selftest/tcp-ao: Add filter tests

by Leo Stone

Add tests that check if getsockopt(TCP_AO_GET_KEYS) returns the right keys when using different filters. Sample output: > # ok 114 filter keys: by sndid, rcvid, address > # ok 115 filter keys: by sndid, rcvid > # ok 116 filter keys: by is_current > # ok 117 filter keys: by is_rnext Signed-off-by: Leo Stone <leocstone(a)gmail.com> --- This patch is meant to address the TODO in setsockopt-closed.c: > /* > * TODO: check getsockopt(TCP_AO_GET_KEYS) with different filters > * returning proper nr & keys; > */ Is this a reasonable way to do these tests? If so, what cases should I add? --- .../selftests/net/tcp_ao/setsockopt-closed.c | 158 +++++++++++++++++- 1 file changed, 157 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c index 084db4ecdff6..4c8aa06eef5a 100644 --- a/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c +++ b/tools/testing/selftests/net/tcp_ao/setsockopt-closed.c @@ -6,6 +6,8 @@ static union tcp_addr tcp_md5_client; +#define FILTER_TEST_NKEYS 16 + static int test_port = 7788; static void make_listen(int sk) { @@ -813,12 +815,166 @@ static void duplicate_tests(void) setsockopt_checked(sk, TCP_AO_ADD_KEY, &ao, EEXIST, "duplicate: SendID differs"); } + +static void fetch_all_keys(int sk, struct tcp_ao_getsockopt *keys) +{ + socklen_t optlen = sizeof(struct tcp_ao_getsockopt); + + memset(keys, 0, sizeof(struct tcp_ao_getsockopt) * FILTER_TEST_NKEYS); + keys[0].get_all = 1; + keys[0].nkeys = FILTER_TEST_NKEYS; + if (getsockopt(sk, IPPROTO_TCP, TCP_AO_GET_KEYS, &keys[0], &optlen)) + test_error("getsockopt"); +} + +static int prepare_test_keys(struct tcp_ao_getsockopt *keys) +{ + struct tcp_ao_add test_ao[FILTER_TEST_NKEYS]; + u8 rcvid = 100, sndid = 100; + const char *test_password = "Test password number "; + char test_password_scratch[64] = {}; + int sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); + + if (sk < 0) + test_error("socket()"); + + for (int i = 0; i < FILTER_TEST_NKEYS; i++) { + snprintf(test_password_scratch, 64, "%s %d", test_password, i); + test_prepare_key(&test_ao[i], DEFAULT_TEST_ALGO, this_ip_dest, false, false, + DEFAULT_TEST_PREFIX, 0, sndid++, rcvid++, 0, 0, + strlen(test_password_scratch), test_password_scratch); + } + test_ao[0].set_current = 1; + test_ao[1].set_rnext = 1; + /* One key with a different addr and overlapping sndid, rcvid */ + tcp_addr_to_sockaddr_in(&test_ao[2].addr, &this_ip_addr, 0); + test_ao[2].sndid = 100; + test_ao[2].rcvid = 100; + + /* Add keys in a random order */ + for (int i = 0; i < FILTER_TEST_NKEYS; i++) { + int randidx = rand() % (FILTER_TEST_NKEYS - i); + + if (setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &test_ao[randidx], + sizeof(struct tcp_ao_add))) + test_error("setsockopt()"); + memcpy(&test_ao[randidx], &test_ao[FILTER_TEST_NKEYS - 1 - i], + sizeof(struct tcp_ao_add)); + } + + fetch_all_keys(sk, keys); + + return sk; +} + +/* Assumes passwords are unique */ +static int compare_mkts(struct tcp_ao_getsockopt *expected, int nexpected, + struct tcp_ao_getsockopt *actual, int nactual) +{ + int matches = 0; + + for (int i = 0; i < nexpected; i++) { + for (int j = 0; j < nactual; j++) { + if (memcmp(expected[i].key, actual[j].key, TCP_AO_MAXKEYLEN) == 0) + matches++; + } + } + return nexpected - matches; +} + +static void filter_keys_checked(int sk, struct tcp_ao_getsockopt *filter, + struct tcp_ao_getsockopt *expected, + unsigned int nexpected, const char *tst) +{ + struct tcp_ao_getsockopt all_keys[FILTER_TEST_NKEYS] = {}; + struct tcp_ao_getsockopt filtered_keys[FILTER_TEST_NKEYS] = {}; + socklen_t len = sizeof(struct tcp_ao_getsockopt); + + fetch_all_keys(sk, all_keys); + memcpy(&filtered_keys[0], filter, sizeof(struct tcp_ao_getsockopt)); + filtered_keys[0].nkeys = FILTER_TEST_NKEYS; + if (getsockopt(sk, IPPROTO_TCP, TCP_AO_GET_KEYS, filtered_keys, &len)) + test_error("getsockopt"); + if (filtered_keys[0].nkeys != nexpected) + test_error("wrong nr of keys, expected %u got %u", nexpected, + filtered_keys[0].nkeys); + if (compare_mkts(expected, nexpected, filtered_keys, filtered_keys[0].nkeys)) + test_error("got wrong keys back"); + test_ok("filter keys: %s", tst); + + close(sk); + memset(filter, 0, sizeof(struct tcp_ao_getsockopt)); +} + +static void filter_tests(void) +{ + struct tcp_ao_getsockopt original_keys[FILTER_TEST_NKEYS]; + struct tcp_ao_getsockopt expected_keys[FILTER_TEST_NKEYS]; + struct tcp_ao_getsockopt filter = {}; + int sk, f, nmatches; + + f = 2; + sk = prepare_test_keys(original_keys); + filter.rcvid = original_keys[f].rcvid; + filter.sndid = original_keys[f].sndid; + memcpy(&filter.addr, &original_keys[f].addr, sizeof(original_keys[f].addr)); + filter.prefix = original_keys[f].prefix; + filter_keys_checked(sk, &filter, &original_keys[f], 1, "by sndid, rcvid, address"); + + f = -1; + sk = prepare_test_keys(original_keys); + for (int i = 0; i < original_keys[0].nkeys; i++) { + if (original_keys[i].is_current) { + f = i; + break; + } + } + if (f < 0) + test_error("No current key after adding one"); + filter.is_current = 1; + filter_keys_checked(sk, &filter, &original_keys[f], 1, "by is_current"); + + f = -1; + sk = prepare_test_keys(original_keys); + for (int i = 0; i < original_keys[0].nkeys; i++) { + if (original_keys[i].is_rnext) { + f = i; + break; + } + } + if (f < 0) + test_error("No rnext key after adding one"); + filter.is_rnext = 1; + filter_keys_checked(sk, &filter, &original_keys[f], 1, "by is_rnext"); + + f = -1; + nmatches = 0; + sk = prepare_test_keys(original_keys); + for (int i = 0; i < original_keys[0].nkeys; i++) { + if (original_keys[i].sndid == 100) { + f = i; + memcpy(&expected_keys[nmatches], &original_keys[i], + sizeof(struct tcp_ao_getsockopt)); + nmatches++; + } + } + if (f < 0) + test_error("No key for sndid 100"); + if (nmatches != 2) + test_error("Should have 2 keys with sndid 100"); + filter.rcvid = original_keys[f].rcvid; + filter.sndid = original_keys[f].sndid; + filter.addr.ss_family = test_family; + filter_keys_checked(sk, &filter, expected_keys, nmatches, "by sndid, rcvid"); +} + static void *client_fn(void *arg) { if (inet_pton(TEST_FAMILY, __TEST_CLIENT_IP(2), &tcp_md5_client) != 1) test_error("Can't convert ip address"); extend_tests(); einval_tests(); + filter_tests(); duplicate_tests(); /* * TODO: check getsockopt(TCP_AO_GET_KEYS) with different filters @@ -830,6 +986,6 @@ static void *client_fn(void *arg) int main(int argc, char *argv[]) { - test_init(121, client_fn, NULL); + test_init(125, client_fn, NULL); return 0; } -- 2.43.0

2 months, 1 week

2
1
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[PATCH 6.6 206/213] selftests/rseq: Fix mm_cid test failure

by Greg Kroah-Hartman

6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> commit a0cc649353bb726d4aa0db60dce467432197b746 upstream. Adapt the rseq.c/rseq.h code to follow GNU C library changes introduced by: glibc commit 2e456ccf0c34 ("Linux: Make __rseq_size useful for feature detection (bug 31965)") Without this fix, rseq selftests for mm_cid fail: ./run_param_test.sh Default parameters Running test spinlock Running compare-twice test spinlock Running mm_cid test spinlock Error: cpu id getter unavailable Fixes: 18c2355838e7 ("selftests/rseq: Implement rseq mm_cid field support") Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Cc: Peter Zijlstra <peterz(a)infradead.org> CC: Boqun Feng <boqun.feng(a)gmail.com> CC: "Paul E. McKenney" <paulmck(a)kernel.org> Cc: Shuah Khan <skhan(a)linuxfoundation.org> CC: Carlos O'Donell <carlos(a)redhat.com> CC: Florian Weimer <fweimer(a)redhat.com> CC: linux-kselftest(a)vger.kernel.org CC: stable(a)vger.kernel.org Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- tools/testing/selftests/rseq/rseq.c | 110 ++++++++++++++++++++++++------------ tools/testing/selftests/rseq/rseq.h | 10 --- 2 files changed, 77 insertions(+), 43 deletions(-) --- a/tools/testing/selftests/rseq/rseq.c +++ b/tools/testing/selftests/rseq/rseq.c @@ -60,12 +60,6 @@ unsigned int rseq_size = -1U; /* Flags used during rseq registration. */ unsigned int rseq_flags; -/* - * rseq feature size supported by the kernel. 0 if the registration was - * unsuccessful. - */ -unsigned int rseq_feature_size = -1U; - static int rseq_ownership; static int rseq_reg_success; /* At least one rseq registration has succeded. */ @@ -111,6 +105,43 @@ int rseq_available(void) } } +/* The rseq areas need to be at least 32 bytes. */ +static +unsigned int get_rseq_min_alloc_size(void) +{ + unsigned int alloc_size = rseq_size; + + if (alloc_size < ORIG_RSEQ_ALLOC_SIZE) + alloc_size = ORIG_RSEQ_ALLOC_SIZE; + return alloc_size; +} + +/* + * Return the feature size supported by the kernel. + * + * Depending on the value returned by getauxval(AT_RSEQ_FEATURE_SIZE): + * + * 0: Return ORIG_RSEQ_FEATURE_SIZE (20) + * > 0: Return the value from getauxval(AT_RSEQ_FEATURE_SIZE). + * + * It should never return a value below ORIG_RSEQ_FEATURE_SIZE. + */ +static +unsigned int get_rseq_kernel_feature_size(void) +{ + unsigned long auxv_rseq_feature_size, auxv_rseq_align; + + auxv_rseq_align = getauxval(AT_RSEQ_ALIGN); + assert(!auxv_rseq_align || auxv_rseq_align <= RSEQ_THREAD_AREA_ALLOC_SIZE); + + auxv_rseq_feature_size = getauxval(AT_RSEQ_FEATURE_SIZE); + assert(!auxv_rseq_feature_size || auxv_rseq_feature_size <= RSEQ_THREAD_AREA_ALLOC_SIZE); + if (auxv_rseq_feature_size) + return auxv_rseq_feature_size; + else + return ORIG_RSEQ_FEATURE_SIZE; +} + int rseq_register_current_thread(void) { int rc; @@ -119,7 +150,7 @@ int rseq_register_current_thread(void) /* Treat libc's ownership as a successful registration. */ return 0; } - rc = sys_rseq(&__rseq_abi, rseq_size, 0, RSEQ_SIG); + rc = sys_rseq(&__rseq_abi, get_rseq_min_alloc_size(), 0, RSEQ_SIG); if (rc) { if (RSEQ_READ_ONCE(rseq_reg_success)) { /* Incoherent success/failure within process. */ @@ -140,28 +171,12 @@ int rseq_unregister_current_thread(void) /* Treat libc's ownership as a successful unregistration. */ return 0; } - rc = sys_rseq(&__rseq_abi, rseq_size, RSEQ_ABI_FLAG_UNREGISTER, RSEQ_SIG); + rc = sys_rseq(&__rseq_abi, get_rseq_min_alloc_size(), RSEQ_ABI_FLAG_UNREGISTER, RSEQ_SIG); if (rc) return -1; return 0; } -static -unsigned int get_rseq_feature_size(void) -{ - unsigned long auxv_rseq_feature_size, auxv_rseq_align; - - auxv_rseq_align = getauxval(AT_RSEQ_ALIGN); - assert(!auxv_rseq_align || auxv_rseq_align <= RSEQ_THREAD_AREA_ALLOC_SIZE); - - auxv_rseq_feature_size = getauxval(AT_RSEQ_FEATURE_SIZE); - assert(!auxv_rseq_feature_size || auxv_rseq_feature_size <= RSEQ_THREAD_AREA_ALLOC_SIZE); - if (auxv_rseq_feature_size) - return auxv_rseq_feature_size; - else - return ORIG_RSEQ_FEATURE_SIZE; -} - static __attribute__((constructor)) void rseq_init(void) { @@ -178,28 +193,54 @@ void rseq_init(void) } if (libc_rseq_size_p && libc_rseq_offset_p && libc_rseq_flags_p && *libc_rseq_size_p != 0) { + unsigned int libc_rseq_size; + /* rseq registration owned by glibc */ rseq_offset = *libc_rseq_offset_p; - rseq_size = *libc_rseq_size_p; + libc_rseq_size = *libc_rseq_size_p; rseq_flags = *libc_rseq_flags_p; - rseq_feature_size = get_rseq_feature_size(); - if (rseq_feature_size > rseq_size) - rseq_feature_size = rseq_size; + + /* + * Previous versions of glibc expose the value + * 32 even though the kernel only supported 20 + * bytes initially. Therefore treat 32 as a + * special-case. glibc 2.40 exposes a 20 bytes + * __rseq_size without using getauxval(3) to + * query the supported size, while still allocating a 32 + * bytes area. Also treat 20 as a special-case. + * + * Special-cases are handled by using the following + * value as active feature set size: + * + * rseq_size = min(32, get_rseq_kernel_feature_size()) + */ + switch (libc_rseq_size) { + case ORIG_RSEQ_FEATURE_SIZE: + fallthrough; + case ORIG_RSEQ_ALLOC_SIZE: + { + unsigned int rseq_kernel_feature_size = get_rseq_kernel_feature_size(); + + if (rseq_kernel_feature_size < ORIG_RSEQ_ALLOC_SIZE) + rseq_size = rseq_kernel_feature_size; + else + rseq_size = ORIG_RSEQ_ALLOC_SIZE; + break; + } + default: + /* Otherwise just use the __rseq_size from libc as rseq_size. */ + rseq_size = libc_rseq_size; + break; + } return; } rseq_ownership = 1; if (!rseq_available()) { rseq_size = 0; - rseq_feature_size = 0; return; } rseq_offset = (void *)&__rseq_abi - rseq_thread_pointer(); rseq_flags = 0; - rseq_feature_size = get_rseq_feature_size(); - if (rseq_feature_size == ORIG_RSEQ_FEATURE_SIZE) - rseq_size = ORIG_RSEQ_ALLOC_SIZE; - else - rseq_size = RSEQ_THREAD_AREA_ALLOC_SIZE; } static __attribute__((destructor)) @@ -209,7 +250,6 @@ void rseq_exit(void) return; rseq_offset = 0; rseq_size = -1U; - rseq_feature_size = -1U; rseq_ownership = 0; } --- a/tools/testing/selftests/rseq/rseq.h +++ b/tools/testing/selftests/rseq/rseq.h @@ -68,12 +68,6 @@ extern unsigned int rseq_size; /* Flags used during rseq registration. */ extern unsigned int rseq_flags; -/* - * rseq feature size supported by the kernel. 0 if the registration was - * unsuccessful. - */ -extern unsigned int rseq_feature_size; - enum rseq_mo { RSEQ_MO_RELAXED = 0, RSEQ_MO_CONSUME = 1, /* Unused */ @@ -193,7 +187,7 @@ static inline uint32_t rseq_current_cpu( static inline bool rseq_node_id_available(void) { - return (int) rseq_feature_size >= rseq_offsetofend(struct rseq_abi, node_id); + return (int) rseq_size >= rseq_offsetofend(struct rseq_abi, node_id); } /* @@ -207,7 +201,7 @@ static inline uint32_t rseq_current_node static inline bool rseq_mm_cid_available(void) { - return (int) rseq_feature_size >= rseq_offsetofend(struct rseq_abi, mm_cid); + return (int) rseq_size >= rseq_offsetofend(struct rseq_abi, mm_cid); } static inline uint32_t rseq_current_mm_cid(void)

2 months, 1 week

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[PATCH 6.11 205/214] selftests/rseq: Fix mm_cid test failure

by Greg Kroah-Hartman

6.11-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> commit a0cc649353bb726d4aa0db60dce467432197b746 upstream. Adapt the rseq.c/rseq.h code to follow GNU C library changes introduced by: glibc commit 2e456ccf0c34 ("Linux: Make __rseq_size useful for feature detection (bug 31965)") Without this fix, rseq selftests for mm_cid fail: ./run_param_test.sh Default parameters Running test spinlock Running compare-twice test spinlock Running mm_cid test spinlock Error: cpu id getter unavailable Fixes: 18c2355838e7 ("selftests/rseq: Implement rseq mm_cid field support") Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Cc: Peter Zijlstra <peterz(a)infradead.org> CC: Boqun Feng <boqun.feng(a)gmail.com> CC: "Paul E. McKenney" <paulmck(a)kernel.org> Cc: Shuah Khan <skhan(a)linuxfoundation.org> CC: Carlos O'Donell <carlos(a)redhat.com> CC: Florian Weimer <fweimer(a)redhat.com> CC: linux-kselftest(a)vger.kernel.org CC: stable(a)vger.kernel.org Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- tools/testing/selftests/rseq/rseq.c | 110 ++++++++++++++++++++++++------------ tools/testing/selftests/rseq/rseq.h | 10 --- 2 files changed, 77 insertions(+), 43 deletions(-) --- a/tools/testing/selftests/rseq/rseq.c +++ b/tools/testing/selftests/rseq/rseq.c @@ -60,12 +60,6 @@ unsigned int rseq_size = -1U; /* Flags used during rseq registration. */ unsigned int rseq_flags; -/* - * rseq feature size supported by the kernel. 0 if the registration was - * unsuccessful. - */ -unsigned int rseq_feature_size = -1U; - static int rseq_ownership; static int rseq_reg_success; /* At least one rseq registration has succeded. */ @@ -111,6 +105,43 @@ int rseq_available(void) } } +/* The rseq areas need to be at least 32 bytes. */ +static +unsigned int get_rseq_min_alloc_size(void) +{ + unsigned int alloc_size = rseq_size; + + if (alloc_size < ORIG_RSEQ_ALLOC_SIZE) + alloc_size = ORIG_RSEQ_ALLOC_SIZE; + return alloc_size; +} + +/* + * Return the feature size supported by the kernel. + * + * Depending on the value returned by getauxval(AT_RSEQ_FEATURE_SIZE): + * + * 0: Return ORIG_RSEQ_FEATURE_SIZE (20) + * > 0: Return the value from getauxval(AT_RSEQ_FEATURE_SIZE). + * + * It should never return a value below ORIG_RSEQ_FEATURE_SIZE. + */ +static +unsigned int get_rseq_kernel_feature_size(void) +{ + unsigned long auxv_rseq_feature_size, auxv_rseq_align; + + auxv_rseq_align = getauxval(AT_RSEQ_ALIGN); + assert(!auxv_rseq_align || auxv_rseq_align <= RSEQ_THREAD_AREA_ALLOC_SIZE); + + auxv_rseq_feature_size = getauxval(AT_RSEQ_FEATURE_SIZE); + assert(!auxv_rseq_feature_size || auxv_rseq_feature_size <= RSEQ_THREAD_AREA_ALLOC_SIZE); + if (auxv_rseq_feature_size) + return auxv_rseq_feature_size; + else + return ORIG_RSEQ_FEATURE_SIZE; +} + int rseq_register_current_thread(void) { int rc; @@ -119,7 +150,7 @@ int rseq_register_current_thread(void) /* Treat libc's ownership as a successful registration. */ return 0; } - rc = sys_rseq(&__rseq_abi, rseq_size, 0, RSEQ_SIG); + rc = sys_rseq(&__rseq_abi, get_rseq_min_alloc_size(), 0, RSEQ_SIG); if (rc) { if (RSEQ_READ_ONCE(rseq_reg_success)) { /* Incoherent success/failure within process. */ @@ -140,28 +171,12 @@ int rseq_unregister_current_thread(void) /* Treat libc's ownership as a successful unregistration. */ return 0; } - rc = sys_rseq(&__rseq_abi, rseq_size, RSEQ_ABI_FLAG_UNREGISTER, RSEQ_SIG); + rc = sys_rseq(&__rseq_abi, get_rseq_min_alloc_size(), RSEQ_ABI_FLAG_UNREGISTER, RSEQ_SIG); if (rc) return -1; return 0; } -static -unsigned int get_rseq_feature_size(void) -{ - unsigned long auxv_rseq_feature_size, auxv_rseq_align; - - auxv_rseq_align = getauxval(AT_RSEQ_ALIGN); - assert(!auxv_rseq_align || auxv_rseq_align <= RSEQ_THREAD_AREA_ALLOC_SIZE); - - auxv_rseq_feature_size = getauxval(AT_RSEQ_FEATURE_SIZE); - assert(!auxv_rseq_feature_size || auxv_rseq_feature_size <= RSEQ_THREAD_AREA_ALLOC_SIZE); - if (auxv_rseq_feature_size) - return auxv_rseq_feature_size; - else - return ORIG_RSEQ_FEATURE_SIZE; -} - static __attribute__((constructor)) void rseq_init(void) { @@ -178,28 +193,54 @@ void rseq_init(void) } if (libc_rseq_size_p && libc_rseq_offset_p && libc_rseq_flags_p && *libc_rseq_size_p != 0) { + unsigned int libc_rseq_size; + /* rseq registration owned by glibc */ rseq_offset = *libc_rseq_offset_p; - rseq_size = *libc_rseq_size_p; + libc_rseq_size = *libc_rseq_size_p; rseq_flags = *libc_rseq_flags_p; - rseq_feature_size = get_rseq_feature_size(); - if (rseq_feature_size > rseq_size) - rseq_feature_size = rseq_size; + + /* + * Previous versions of glibc expose the value + * 32 even though the kernel only supported 20 + * bytes initially. Therefore treat 32 as a + * special-case. glibc 2.40 exposes a 20 bytes + * __rseq_size without using getauxval(3) to + * query the supported size, while still allocating a 32 + * bytes area. Also treat 20 as a special-case. + * + * Special-cases are handled by using the following + * value as active feature set size: + * + * rseq_size = min(32, get_rseq_kernel_feature_size()) + */ + switch (libc_rseq_size) { + case ORIG_RSEQ_FEATURE_SIZE: + fallthrough; + case ORIG_RSEQ_ALLOC_SIZE: + { + unsigned int rseq_kernel_feature_size = get_rseq_kernel_feature_size(); + + if (rseq_kernel_feature_size < ORIG_RSEQ_ALLOC_SIZE) + rseq_size = rseq_kernel_feature_size; + else + rseq_size = ORIG_RSEQ_ALLOC_SIZE; + break; + } + default: + /* Otherwise just use the __rseq_size from libc as rseq_size. */ + rseq_size = libc_rseq_size; + break; + } return; } rseq_ownership = 1; if (!rseq_available()) { rseq_size = 0; - rseq_feature_size = 0; return; } rseq_offset = (void *)&__rseq_abi - rseq_thread_pointer(); rseq_flags = 0; - rseq_feature_size = get_rseq_feature_size(); - if (rseq_feature_size == ORIG_RSEQ_FEATURE_SIZE) - rseq_size = ORIG_RSEQ_ALLOC_SIZE; - else - rseq_size = RSEQ_THREAD_AREA_ALLOC_SIZE; } static __attribute__((destructor)) @@ -209,7 +250,6 @@ void rseq_exit(void) return; rseq_offset = 0; rseq_size = -1U; - rseq_feature_size = -1U; rseq_ownership = 0; } --- a/tools/testing/selftests/rseq/rseq.h +++ b/tools/testing/selftests/rseq/rseq.h @@ -68,12 +68,6 @@ extern unsigned int rseq_size; /* Flags used during rseq registration. */ extern unsigned int rseq_flags; -/* - * rseq feature size supported by the kernel. 0 if the registration was - * unsuccessful. - */ -extern unsigned int rseq_feature_size; - enum rseq_mo { RSEQ_MO_RELAXED = 0, RSEQ_MO_CONSUME = 1, /* Unused */ @@ -193,7 +187,7 @@ static inline uint32_t rseq_current_cpu( static inline bool rseq_node_id_available(void) { - return (int) rseq_feature_size >= rseq_offsetofend(struct rseq_abi, node_id); + return (int) rseq_size >= rseq_offsetofend(struct rseq_abi, node_id); } /* @@ -207,7 +201,7 @@ static inline uint32_t rseq_current_node static inline bool rseq_mm_cid_available(void) { - return (int) rseq_feature_size >= rseq_offsetofend(struct rseq_abi, mm_cid); + return (int) rseq_size >= rseq_offsetofend(struct rseq_abi, mm_cid); } static inline uint32_t rseq_current_mm_cid(void)

2 months, 1 week

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[PATCH bpf-next v1 0/3] Improve .BTF_ids patching and alignment

by Tony Ambardar

Hello all, This patch series offers improvements to the way .BTF_ids section data is created and later patched by resolve_btfids. Patch #1 simplifies the byte-order translation in resolve_btfids while making it more resilient to future .BTF_ids encoding updates. Patch #2 makes sure all BTF ID data is 4-byte aligned, and not only the .BTF_ids used for vmlinux. Patch #3 syncs the above changes in btf_ids.h to tools/include, obviating a previous alignment fix in selftests/bpf. Feedback and suggestions are welcome! Best regards, Tony Tony Ambardar (3): tools/resolve_btfids: Simplify handling cross-endian compilation bpf: btf: Ensure natural alignment of .BTF_ids section tools/bpf, selftests/bpf : Sync btf_ids.h to tools include/linux/btf_ids.h | 1 + tools/bpf/resolve_btfids/main.c | 60 +++++--------- tools/include/linux/btf_ids.h | 80 +++++++++++++++++-- .../selftests/bpf/prog_tests/resolve_btfids.c | 6 -- 4 files changed, 97 insertions(+), 50 deletions(-) -- 2.34.1

2 months, 1 week

4
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kselftest/fixes kselftest-lib: 2 runs, 1 regressions (linux_kselftest-fixes-6.12-rc3)

by kernelci.org bot

kselftest/fixes kselftest-lib: 2 runs, 1 regressions (linux_kselftest-fixes-6.12-rc3) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/linux_kselftest… Test: kselftest-lib Tree: kselftest Branch: fixes Describe: linux_kselftest-fixes-6.12-rc3 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4ee5ca9a29384fcf3f18232fdf8474166dea8dca Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/670d06ca62e90ff6e7c86855 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-12 (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0) Plain log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… HTML log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-lib.login: https://kernelci.org/test/case/id/670d06ca62e90ff6e7c86856 failing since 5 days (last pass: v6.12-rc1-5-g45a8897db67d4, first fail: linux_kselftest-fixes-6.12-rc2-4-g34d5b600172b)

2 months, 1 week

1
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kselftest/fixes kselftest-cpufreq: 3 runs, 3 regressions (linux_kselftest-fixes-6.12-rc3)

by kernelci.org bot

kselftest/fixes kselftest-cpufreq: 3 runs, 3 regressions (linux_kselftest-fixes-6.12-rc3) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 sun50i-a64-pine64-plus | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 sun50i-h5-lib...ch-all-h3-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/linux_kselftest… Test: kselftest-cpufreq Tree: kselftest Branch: fixes Describe: linux_kselftest-fixes-6.12-rc3 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4ee5ca9a29384fcf3f18232fdf8474166dea8dca Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/670d07df5ce1577dbec86858 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-12 (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0) Plain log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… HTML log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-cpufreq.login: https://kernelci.org/test/case/id/670d07df5ce1577dbec86859 failing since 5 days (last pass: v6.12-rc1-5-g45a8897db67d4, first fail: linux_kselftest-fixes-6.12-rc2-4-g34d5b600172b) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ sun50i-a64-pine64-plus | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/670d09462706bb6cd8c8685d Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-12 (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0) Plain log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… HTML log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-cpufreq.login: https://kernelci.org/test/case/id/670d09472706bb6cd8c8685e failing since 5 days (last pass: v6.12-rc1-5-g45a8897db67d4, first fail: linux_kselftest-fixes-6.12-rc2-4-g34d5b600172b) platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ sun50i-h5-lib...ch-all-h3-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/670d068aaf8e516253c8685f Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-12 (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0) Plain log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… HTML log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-cpufreq.login: https://kernelci.org/test/case/id/670d068aaf8e516253c86860 failing since 5 days (last pass: v6.12-rc1-5-g45a8897db67d4, first fail: linux_kselftest-fixes-6.12-rc2-4-g34d5b600172b)

2 months, 1 week

1
0
0 0

kselftest/fixes kselftest-seccomp: 2 runs, 1 regressions (linux_kselftest-fixes-6.12-rc3)

by kernelci.org bot

kselftest/fixes kselftest-seccomp: 2 runs, 1 regressions (linux_kselftest-fixes-6.12-rc3) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/linux_kselftest… Test: kselftest-seccomp Tree: kselftest Branch: fixes Describe: linux_kselftest-fixes-6.12-rc3 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4ee5ca9a29384fcf3f18232fdf8474166dea8dca Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-12 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/670d07f5cd937325b5c86857 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-12 (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0) Plain log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… HTML log: https://storage.kernelci.org//kselftest/fixes/linux_kselftest-fixes-6.12-rc… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-seccomp.login: https://kernelci.org/test/case/id/670d07f5cd937325b5c86858 failing since 5 days (last pass: v6.12-rc1-5-g45a8897db67d4, first fail: linux_kselftest-fixes-6.12-rc2-4-g34d5b600172b)

2 months, 1 week

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