Linux-kselftest-mirror April 2025

linux-kselftest-mirror@lists.linaro.org

222 participants
254 discussions

[PATCH] selftest: rtc: skip alarm test if RTC is minute resolution

by Weizhao Ouyang

Skip second resolution alarm test if RTC is minute resolution. Signed-off-by: Weizhao Ouyang <o451686892(a)gmail.com> --- tools/testing/selftests/rtc/rtctest.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c index e103097d0b5b..b8d196f1c5f6 100644 --- a/tools/testing/selftests/rtc/rtctest.c +++ b/tools/testing/selftests/rtc/rtctest.c @@ -28,6 +28,7 @@ static char *rtc_file = "/dev/rtc0"; enum rtc_alarm_state { RTC_ALARM_UNKNOWN, RTC_ALARM_ENABLED, + RTC_ALARM_MINUTE, RTC_ALARM_DISABLED, }; @@ -100,6 +101,9 @@ static enum rtc_alarm_state get_rtc_alarm_state(int fd) if (rc < 0) return RTC_ALARM_UNKNOWN; + if (param.uvalue & _BITUL(RTC_FEATURE_ALARM_RES_MINUTE)) + return RTC_ALARM_MINUTE; + if ((param.uvalue & _BITUL(RTC_FEATURE_ALARM)) == 0) return RTC_ALARM_DISABLED; @@ -230,6 +234,8 @@ TEST_F(rtc, alarm_alm_set) { alarm_state = get_rtc_alarm_state(self->fd); if (alarm_state == RTC_ALARM_DISABLED) SKIP(return, "Skipping test since alarms are not supported."); + if (alarm_state == RTC_ALARM_MINUTE) + SKIP(return, "Skipping test since alarms have minute resolution."); rc = ioctl(self->fd, RTC_RD_TIME, &tm); ASSERT_NE(-1, rc); @@ -298,6 +304,8 @@ TEST_F(rtc, alarm_wkalm_set) { alarm_state = get_rtc_alarm_state(self->fd); if (alarm_state == RTC_ALARM_DISABLED) SKIP(return, "Skipping test since alarms are not supported."); + if (alarm_state == RTC_ALARM_MINUTE) + SKIP(return, "Skipping test since alarms have minute resolution."); rc = ioctl(self->fd, RTC_RD_TIME, &alarm.time); ASSERT_NE(-1, rc); -- 2.45.2

3 weeks, 6 days

[PATCH 0/3] selftests: coredump: Some bug fixes

by Nam Cao

Hi, While trying the coredump test on qemu-system-riscv64, I observed test failures for various reasons. This series makes the test works on qemu-system-riscv64. Best regards, Nam Nam Cao (3): selftests: coredump: Properly initialize pointer selftests: coredump: Use waitpid() instead of busy-wait selftests: coredump: Raise timeout to 2 minutes tools/testing/selftests/coredump/stackdump | 6 +----- .../testing/selftests/coredump/stackdump_test.c | 17 +++++++++-------- 2 files changed, 10 insertions(+), 13 deletions(-) -- 2.39.5

3 weeks, 6 days

[PATCH] unshare_test: set nr_open using soft limit

by lufei

Set maximum file descriptor number limit by rlimit.rlim_max than nr_open(hard limit). Hard limit may cause dup2 fail. Signed-off-by: lufei <lufei(a)uniontech.com> --- tools/testing/selftests/core/unshare_test.c | 28 +++++++++++++-------- 1 file changed, 18 insertions(+), 10 deletions(-) diff --git a/tools/testing/selftests/core/unshare_test.c b/tools/testing/selftests/core/unshare_test.c index 7fec9dfb1b0e..2c4e7104b0d9 100644 --- a/tools/testing/selftests/core/unshare_test.c +++ b/tools/testing/selftests/core/unshare_test.c @@ -26,10 +26,11 @@ TEST(unshare_EMFILE) .exit_signal = SIGCHLD, }; int fd; - ssize_t n, n2; - static char buf[512], buf2[512]; + ssize_t n, n2, n3; + static char buf[512], buf2[512], buf3[512]; struct rlimit rlimit; int nr_open; + int rlimit_max; fd = open("/proc/sys/fs/nr_open", O_RDWR); ASSERT_GE(fd, 0); @@ -42,22 +43,24 @@ TEST(unshare_EMFILE) ASSERT_EQ(0, getrlimit(RLIMIT_NOFILE, &rlimit)); - /* bump fs.nr_open */ - n2 = sprintf(buf2, "%d\n", nr_open + 1024); + rlimit_max = rlimit.rlim_max; + + /* bump rlimit.rlim_max */ + n2 = sprintf(buf2, "%d\n", rlimit_max + 1024); lseek(fd, 0, SEEK_SET); write(fd, buf2, n2); /* bump ulimit -n */ - rlimit.rlim_cur = nr_open + 1024; - rlimit.rlim_max = nr_open + 1024; + rlimit.rlim_cur = rlimit_max + 1024; + rlimit.rlim_max = rlimit_max + 1024; EXPECT_EQ(0, setrlimit(RLIMIT_NOFILE, &rlimit)) { lseek(fd, 0, SEEK_SET); write(fd, buf, n); exit(EXIT_FAILURE); } - /* get a descriptor past the old fs.nr_open */ - EXPECT_GE(dup2(2, nr_open + 64), 0) { + /* get a descriptor past the old rlimit.rlim_max */ + EXPECT_GE(dup2(2, rlimit_max + 64), 0) { lseek(fd, 0, SEEK_SET); write(fd, buf, n); exit(EXIT_FAILURE); @@ -74,15 +77,20 @@ TEST(unshare_EMFILE) if (pid == 0) { int err; - /* restore fs.nr_open */ + n3 = sprintf(buf3, "%d\n", rlimit_max); lseek(fd, 0, SEEK_SET); - write(fd, buf, n); + write(fd, buf3, n3); + /* ... and now unshare(CLONE_FILES) must fail with EMFILE */ err = unshare(CLONE_FILES); EXPECT_EQ(err, -1) exit(EXIT_FAILURE); EXPECT_EQ(errno, EMFILE) exit(EXIT_FAILURE); + + /* restore fs.nr_open */ + lseek(fd, 0, SEEK_SET); + write(fd, buf, n); exit(EXIT_SUCCESS); } -- 2.39.3

3 weeks, 6 days

[PATCH net 0/4] mptcp: misc. fixes for 6.15-rc0

by Matthieu Baerts (NGI0)

Here are 4 unrelated patches: - Patch 1: fix a NULL pointer when two SYN-ACK for the same request are handled in parallel. A fix for up to v5.9. - Patch 2: selftests: fix check for the wrong FD. A fix for up to v5.17. - Patch 3: selftests: close all FDs in case of error. A fix for up to v5.17. - Patch 4: selftests: ignore a new generated file. A fix for 6.15-rc0. Signed-off-by: Matthieu Baerts (NGI0) <matttbe(a)kernel.org> --- Cong Liu (1): selftests: mptcp: fix incorrect fd checks in main_loop Gang Yan (1): mptcp: fix NULL pointer in can_accept_new_subflow Geliang Tang (1): selftests: mptcp: close fd_in before returning in main_loop Matthieu Baerts (NGI0) (1): selftests: mptcp: ignore mptcp_diag binary net/mptcp/subflow.c | 15 ++++++++------- tools/testing/selftests/net/mptcp/.gitignore | 1 + tools/testing/selftests/net/mptcp/mptcp_connect.c | 11 +++++++---- 3 files changed, 16 insertions(+), 11 deletions(-) --- base-commit: 2ea396448f26d0d7d66224cb56500a6789c7ed07 change-id: 20250328-net-mptcp-misc-fixes-6-15-98bfbeaa15ac Best regards, -- Matthieu Baerts (NGI0) <matttbe(a)kernel.org>

3 weeks, 6 days

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Linux-kselftest-mirror April 2025