January 2025 - Linux-kselftest-mirror

[PATCH] selftests/.gitignore include missing log file

by Khaled Elnaggar

Add tpm2/AsyncTest.log to .gitignore Signed-off-by: Khaled Elnaggar <eng.khaled.elnaggar(a)gmail.com> --- Hello After running kselftests, AsyncTest.log file showed when running git status. I just added it. --- tools/testing/selftests/.gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/.gitignore b/tools/testing/selftests/.gitignore index cb24124ac5b9..87d532c08a3e 100644 --- a/tools/testing/selftests/.gitignore +++ b/tools/testing/selftests/.gitignore @@ -4,6 +4,7 @@ gpiogpio-hammer gpioinclude/ gpiolsgpio kselftest_install/ +tpm2/AsyncTest.log tpm2/SpaceTest.log # Python bytecode and cache -- 2.45.2

4 months, 3 weeks

2
1
0 0

[PATCH] selftests/mm/cow : Fix memory leak in child_vmsplice_memcmp_fn()

by liuye

Release memory before exception branch returns to prevent memory leaks. Signed-off-by: liuye <liuye(a)kylinos.cn> --- tools/testing/selftests/mm/cow.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/cow.c index 1238e1c5aae1..959327ba6258 100644 --- a/tools/testing/selftests/mm/cow.c +++ b/tools/testing/selftests/mm/cow.c @@ -167,19 +167,30 @@ static int child_vmsplice_memcmp_fn(char *mem, size_t size, /* Backup the original content. */ memcpy(old, mem, size); - if (pipe(fds) < 0) + if (pipe(fds) < 0) { + free(old); + free(new); return -errno; - + } /* Trigger a read-only pin. */ transferred = vmsplice(fds[1], &iov, 1, 0); - if (transferred < 0) + if (transferred < 0) { + free(old); + free(new); return -errno; - if (transferred == 0) + } + if (transferred == 0) { + free(old); + free(new); return -EINVAL; + } /* Unmap it from our page tables. */ - if (munmap(mem, size) < 0) + if (munmap(mem, size) < 0) { + free(old); + free(new); return -errno; + } /* Wait until the parent modified it. */ write(comm_pipes->child_ready[1], "0", 1); -- 2.25.1

4 months, 3 weeks

2
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[PATCH net V3] selftests/net/ipsec: Fix Null pointer dereference in rtattr_pack()

by Liu Ye

From: Liu Ye <liuye(a)kylinos.cn> Address Null pointer dereference in rtattr_pack. Flagged by cppcheck as: tools/testing/selftests/net/ipsec.c:230:25: warning: Possible null pointer dereference: payload [nullPointer] memcpy(RTA_DATA(attr), payload, size); ^ tools/testing/selftests/net/ipsec.c:1618:54: note: Calling function 'rtattr_pack', 4th argument 'NULL' value is 0 if (rtattr_pack(&req.nh, sizeof(req), XFRMA_IF_ID, NULL, 0)) { ^ tools/testing/selftests/net/ipsec.c:230:25: note: Null pointer dereference memcpy(RTA_DATA(attr), payload, size); ^ Fixes: 70bfdf62e93a ("selftests/net/ipsec: Add test for xfrm_spdattr_type_t") Signed-off-by: Liu Ye <liuye(a)kylinos.cn> --- V3: Remove the redundant from. Sign-off after fixes. V2: Modify description. Add code checking tools. Separating family and given name in Signed-off-by line. Modify code format. Add fixes. --- --- tools/testing/selftests/net/ipsec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/ipsec.c b/tools/testing/selftests/net/ipsec.c index be4a30a0d02a..9b44a091802c 100644 --- a/tools/testing/selftests/net/ipsec.c +++ b/tools/testing/selftests/net/ipsec.c @@ -227,7 +227,8 @@ static int rtattr_pack(struct nlmsghdr *nh, size_t req_sz, attr->rta_len = RTA_LENGTH(size); attr->rta_type = rta_type; - memcpy(RTA_DATA(attr), payload, size); + if (payload) + memcpy(RTA_DATA(attr), payload, size); return 0; } -- 2.25.1

4 months, 3 weeks

2
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[PATCH RFC v3 00/10] extensible syscalls: CHECK_FIELDS to allow for easier feature detection

by Aleksa Sarai

This is something that I've been thinking about for a while. We had a discussion at LPC 2020 about this[1] but the proposals suggested there never materialised. In short, it is quite difficult for userspace to detect the feature capability of syscalls at runtime. This is something a lot of programs want to do, but they are forced to create elaborate scenarios to try to figure out if a feature is supported without causing damage to the system. For the vast majority of cases, each individual feature also needs to be tested individually (because syscall results are all-or-nothing), so testing even a single syscall's feature set can easily inflate the startup time of programs. This patchset implements the fairly minimal design I proposed in this talk[2] and in some old LKML threads (though I can't find the exact references ATM). The general flow looks like: 1. Userspace will indicate to the kernel that a syscall should a be no-op by setting the top bit of the extensible struct size argument. We will almost certainly never support exabyte sized structs, so the top bits are free for us to use as makeshift flag bits. This is preferable to using the per-syscall flag field inside the structure because seccomp can easily detect the bit in the flag and allow the probe or forcefully return -EEXTSYS_NOOP. 2. The kernel will then fill the provided structure with every valid bit pattern that the current kernel understands. For flags or other bitflag-like fields, this is the set of valid flags or bits. For pointer fields or fields that take an arbitrary value, the field has every bit set (0xFF... to fill the field) to indicate that any value is valid in the field. 3. The syscall then returns -EEXTSYS_NOOP which is an errno that will only ever be used for this purpose (so userspace can be sure that the request succeeded). On older kernels, the syscall will return a different error (usually -E2BIG or -EFAULT) and userspace can do their old-fashioned checks. 4. Userspace can then check which flags and fields are supported by looking at the fields in the returned structure. Flags are checked by doing an AND with the flags field, and field support can checked by comparing to 0. In principle you could just AND the entire structure if you wanted to do this check generically without caring about the structure contents (this is what libraries might consider doing). Userspace can even find out the internal kernel structure size by passing a PAGE_SIZE buffer and seeing how many bytes are non-zero. As with copy_struct_from_user(), this is designed to be forward- and backwards- compatible. This allows programas to get a one-shot understanding of what features a syscall supports without having to do any elaborate setups or tricks to detect support for destructive features. Flags can simply be ANDed to check if they are in the supported set, and fields can just be checked to see if they are non-zero. This patchset is IMHO the simplest way we can add the ability to introspect the feature set of extensible struct (copy_struct_from_user) syscalls. It doesn't preclude the chance of a more generic mechanism being added later. The intended way of using this interface to get feature information looks something like the following (imagine that openat2 has gained a new field and a new flag in the future): static bool openat2_no_automount_supported; static bool openat2_cwd_fd_supported; int check_openat2_support(void) { int err; struct open_how how = {}; err = openat2(AT_FDCWD, ".", &how, CHECK_FIELDS | sizeof(how)); assert(err < 0); switch (errno) { case EFAULT: case E2BIG: /* Old kernel... */ check_support_the_old_way(); break; case EEXTSYS_NOOP: openat2_no_automount_supported = (how.flags & RESOLVE_NO_AUTOMOUNT); openat2_cwd_fd_supported = (how.cwd_fd != 0); break; } } This series adds CHECK_FIELDS support for the following extensible struct syscalls, as they are quite likely to grow flags in the near future: * openat2 * clone3 * mount_setattr [1]: https://lwn.net/Articles/830666/ [2]: https://youtu.be/ggD-eb3yPVs Signed-off-by: Aleksa Sarai <cyphar(a)cyphar.com> --- Changes in v3: - Fix copy_struct_to_user() return values in case of clear_user() failure. - v2: <https://lore.kernel.org/r/20240906-extensible-structs-check_fields-v2-0-0f4…> Changes in v2: - Add CHECK_FIELDS support to mount_setattr(2). - Fix build failure on architectures with custom errno values. - Rework selftests to use the tools/ uAPI headers rather than custom defining EEXTSYS_NOOP. - Make sure we return -EINVAL and -E2BIG for invalid sizes even if CHECK_FIELDS is set, and add some tests for that. - v1: <https://lore.kernel.org/r/20240902-extensible-structs-check_fields-v1-0-545…> --- Aleksa Sarai (10): uaccess: add copy_struct_to_user helper sched_getattr: port to copy_struct_to_user openat2: explicitly return -E2BIG for (usize > PAGE_SIZE) openat2: add CHECK_FIELDS flag to usize argument selftests: openat2: add 0xFF poisoned data after misaligned struct selftests: openat2: add CHECK_FIELDS selftests clone3: add CHECK_FIELDS flag to usize argument selftests: clone3: add CHECK_FIELDS selftests mount_setattr: add CHECK_FIELDS flag to usize argument selftests: mount_setattr: add CHECK_FIELDS selftest arch/alpha/include/uapi/asm/errno.h | 3 + arch/mips/include/uapi/asm/errno.h | 3 + arch/parisc/include/uapi/asm/errno.h | 3 + arch/sparc/include/uapi/asm/errno.h | 3 + fs/namespace.c | 17 ++ fs/open.c | 18 ++ include/linux/uaccess.h | 97 ++++++++ include/uapi/asm-generic/errno.h | 3 + include/uapi/linux/openat2.h | 2 + kernel/fork.c | 30 ++- kernel/sched/syscalls.c | 42 +--- tools/arch/alpha/include/uapi/asm/errno.h | 3 + tools/arch/mips/include/uapi/asm/errno.h | 3 + tools/arch/parisc/include/uapi/asm/errno.h | 3 + tools/arch/sparc/include/uapi/asm/errno.h | 3 + tools/include/uapi/asm-generic/errno.h | 3 + tools/include/uapi/asm-generic/posix_types.h | 101 ++++++++ tools/testing/selftests/clone3/.gitignore | 1 + tools/testing/selftests/clone3/Makefile | 4 +- .../testing/selftests/clone3/clone3_check_fields.c | 264 +++++++++++++++++++++ tools/testing/selftests/mount_setattr/Makefile | 2 +- .../selftests/mount_setattr/mount_setattr_test.c | 53 ++++- tools/testing/selftests/openat2/Makefile | 2 + tools/testing/selftests/openat2/openat2_test.c | 165 ++++++++++++- 24 files changed, 777 insertions(+), 51 deletions(-) --- base-commit: 98f7e32f20d28ec452afb208f9cffc08448a2652 change-id: 20240803-extensible-structs-check_fields-a47e94cef691 Best regards, -- Aleksa Sarai <cyphar(a)cyphar.com>

4 months, 3 weeks

6
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[PATCH] selftests/capabilities/test_execve: Initialize the variable have_outer_privilege

by liuye

Uninitialized variable: have_outer_privilege. Fix it. Signed-off-by: liuye <liuye(a)kylinos.cn> --- tools/testing/selftests/capabilities/test_execve.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/capabilities/test_execve.c b/tools/testing/selftests/capabilities/test_execve.c index 47bad7ddc5bc..c9617b38d6f7 100644 --- a/tools/testing/selftests/capabilities/test_execve.c +++ b/tools/testing/selftests/capabilities/test_execve.c @@ -83,7 +83,7 @@ static bool create_and_enter_ns(uid_t inner_uid) uid_t outer_uid; gid_t outer_gid; int i, ret; - bool have_outer_privilege; + bool have_outer_privilege = false; outer_uid = getuid(); outer_gid = getgid(); -- 2.25.1

4 months, 3 weeks

2
1
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[PATCH v2 0/3] tun: Unify vnet implementation and fill full vnet header

by Akihiko Odaki

When I implemented virtio's hash-related features to tun/tap [1], I found tun/tap does not fill the entire region reserved for the virtio header, leaving some uninitialized hole in the middle of the buffer after read()/recvmesg(). This series fills the uninitialized hole. More concretely, the num_buffers field will be initialized with 1, and the other fields will be inialized with 0. Setting the num_buffers field to 1 is mandated by virtio 1.0 [2]. The change to virtio header is preceded by another change that refactors tun and tap to unify their virtio-related code. [1]: https://lore.kernel.org/r/20241008-rss-v5-0-f3cf68df005d@daynix.com [2]: https://lore.kernel.org/r/20241227084256-mutt-send-email-mst@kernel.org/ Signed-off-by: Akihiko Odaki <akihiko.odaki(a)daynix.com> --- Changes in v2: - Fixed num_buffers endian. - Link to v1: https://lore.kernel.org/r/20250108-tun-v1-0-67d784b34374@daynix.com --- Akihiko Odaki (3): tun: Unify vnet implementation tun: Pad virtio header with zero tun: Set num_buffers for virtio 1.0 MAINTAINERS | 1 + drivers/net/Kconfig | 5 ++ drivers/net/Makefile | 1 + drivers/net/tap.c | 174 ++++++---------------------------------- drivers/net/tun.c | 214 +++++++++---------------------------------------- drivers/net/tun_vnet.c | 191 +++++++++++++++++++++++++++++++++++++++++++ drivers/net/tun_vnet.h | 24 ++++++ 7 files changed, 283 insertions(+), 327 deletions(-) --- base-commit: a32e14f8aef69b42826cf0998b068a43d486a9e9 change-id: 20241230-tun-66e10a49b0c7 Best regards, -- Akihiko Odaki <akihiko.odaki(a)daynix.com>

4 months, 3 weeks

5
35
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[PATCH 0/1] selftests: Clear -Wimplicit-function-declaration warnings

by Ariel Otilibili

Hello, This patch clears out warnings seen while compiling the tests; at the time, it closes a test report. Thank you, Link: https://lore.kernel.org/oe-kbuild-all/202412222015.lMBH62zB-lkp@intel.com/ Ariel Otilibili (1): selftests: Clear -Wimplicit-function-declaration warnings tools/testing/selftests/pid_namespace/pid_max.c | 1 + tools/testing/selftests/pidfd/pidfd_fdinfo_test.c | 1 + 2 files changed, 2 insertions(+) -- 2.43.0

4 months, 3 weeks

2
2
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[PATCH net-next] selftests: net: give up on the cmsg_time accuracy on slow machines

by Jakub Kicinski

Commit b9d5f5711dd8 ("selftests: net: increase the delay for relative cmsg_time.sh test") widened the accepted value range 8x but we still see flakes (at a rate of around 7%). Return XFAIL for the most timing sensitive test on slow machines. Before: # ./cmsg_time.sh Case UDPv4 - TXTIME rel returned '8074us - 7397us < 4000', expected 'OK' FAIL - 1/36 cases failed After: # ./cmsg_time.sh Case UDPv4 - TXTIME rel returned '1123us - 941us < 500', expected 'OK' (XFAIL) Case UDPv6 - TXTIME rel returned '1227us - 776us < 500', expected 'OK' (XFAIL) OK Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> --- CC: shuah(a)kernel.org CC: linux-kselftest(a)vger.kernel.org CC: willemdebruijn.kernel(a)gmail.com --- tools/testing/selftests/net/cmsg_time.sh | 35 +++++++++++++++++------- 1 file changed, 25 insertions(+), 10 deletions(-) diff --git a/tools/testing/selftests/net/cmsg_time.sh b/tools/testing/selftests/net/cmsg_time.sh index 1d7e756644bc..478af0aefa97 100755 --- a/tools/testing/selftests/net/cmsg_time.sh +++ b/tools/testing/selftests/net/cmsg_time.sh @@ -34,13 +34,28 @@ BAD=0 TOTAL=0 check_result() { + local ret=$1 + local got=$2 + local exp=$3 + local case=$4 + local xfail=$5 + local xf= + local inc= + + if [ "$xfail" == "xfail" ]; then + xf="(XFAIL)" + inc=0 + else + inc=1 + fi + ((TOTAL++)) - if [ $1 -ne 0 ]; then - echo " Case $4 returned $1, expected 0" - ((BAD++)) + if [ $ret -ne 0 ]; then + echo " Case $case returned $ret, expected 0 $xf" + ((BAD+=inc)) elif [ "$2" != "$3" ]; then - echo " Case $4 returned '$2', expected '$3'" - ((BAD++)) + echo " Case $case returned '$got', expected '$exp' $xf" + ((BAD+=inc)) fi } @@ -66,14 +81,14 @@ for i in "-4 $TGT4" "-6 $TGT6"; do awk '/SND/ { if ($3 > 1000) print "OK"; }') check_result $? "$ts" "OK" "$prot - TXTIME abs" - [ "$KSFT_MACHINE_SLOW" = yes ] && delay=8000 || delay=1000 + [ "$KSFT_MACHINE_SLOW" = yes ] && xfail=xfail - ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d $delay | + ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 | awk '/SND/ {snd=$3} /SCHED/ {sch=$3} - END { if (snd - sch > '$((delay/2))') print "OK"; - else print snd, "-", sch, "<", '$((delay/2))'; }') - check_result $? "$ts" "OK" "$prot - TXTIME rel" + END { if (snd - sch > 500) print "OK"; + else print snd, "-", sch, "<", 500; }') + check_result $? "$ts" "OK" "$prot - TXTIME rel" $xfail done done -- 2.48.0

4 months, 4 weeks

5
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[for-next][PATCH 3/3] selftests/ftrace: Add test that tests event :mod: commands

by Steven Rostedt

From: Steven Rostedt <rostedt(a)goodmis.org> Now that here's a :mod: command that can be sent into set_event, add a test that tests its use. Both setting events for a loaded module, as well as caching what events to set for a module that is not loaded yet. Cc: Shuah Khan <shuah(a)kernel.org> Cc: Masami Hiramatsu <mhiramat(a)kernel.org> Cc: Mark Rutland <mark.rutland(a)arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Cc: Andrew Morton <akpm(a)linux-foundation.org> Cc: linux-kselftest(a)vger.kernel.org Link: https://lore.kernel.org/20250116143533.819228058@goodmis.org Signed-off-by: Steven Rostedt (Google) <rostedt(a)goodmis.org> --- .../ftrace/test.d/event/event-mod.tc | 191 ++++++++++++++++++ 1 file changed, 191 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/event/event-mod.tc diff --git a/tools/testing/selftests/ftrace/test.d/event/event-mod.tc b/tools/testing/selftests/ftrace/test.d/event/event-mod.tc new file mode 100644 index 000000000000..175243cd9ab7 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/event/event-mod.tc @@ -0,0 +1,191 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event tracing - enable/disable with module event +# requires: set_event "Can enable module events via: :mod:":README +# flags: instance + +rmmod trace-events-sample ||: +if ! modprobe trace-events-sample ; then + echo "No trace-events sample module - please make CONFIG_SAMPLE_TRACE_EVENTS=m" + exit_unresolved; +fi +trap "rmmod trace-events-sample" EXIT + +# Set events for the module +echo ":mod:trace-events-sample" > set_event + +test_all_enabled() { + + # Check if more than one is enabled + grep -q sample-trace:foo_bar set_event + grep -q sample-trace:foo_bar_with_cond set_event + grep -q sample-trace:foo_bar_with_fn set_event + + # All of them should be enabled. Check via the enable file + val=`cat events/sample-trace/enable` + if [ $val -ne 1 ]; then + exit_fail + fi +} + +clear_events() { + echo > set_event + val=`cat events/enable` + if [ "$val" != "0" ]; then + exit_fail + fi + count=`cat set_event | wc -l` + if [ $count -ne 0 ]; then + exit_fail + fi +} + +test_all_enabled + +echo clear all events +echo 0 > events/enable + +echo Confirm the events are disabled +val=`cat events/sample-trace/enable` +if [ $val -ne 0 ]; then + exit_fail +fi + +echo And the set_event file is empty + +cnt=`wc -l set_event` +if [ $cnt -ne 0 ]; then + exit_fail +fi + +echo now enable all events +echo 1 > events/enable + +echo Confirm the events are enabled again +val=`cat events/sample-trace/enable` +if [ $val -ne 1 ]; then + exit_fail +fi + +echo disable just the module events +echo '!:mod:trace-events-sample' >> set_event + +echo Should have mix of events enabled +val=`cat events/enable` +if [ "$val" != "X" ]; then + exit_fail +fi + +echo Confirm the module events are disabled +val=`cat events/sample-trace/enable` +if [ $val -ne 0 ]; then + exit_fail +fi + +echo 0 > events/enable + +echo now enable the system events +echo 'sample-trace:mod:trace-events-sample' > set_event + +test_all_enabled + +echo clear all events +echo 0 > events/enable + +echo Confirm the events are disabled +val=`cat events/sample-trace/enable` +if [ $val -ne 0 ]; then + exit_fail +fi + +echo Test enabling foo_bar only +echo 'foo_bar:mod:trace-events-sample' > set_event + +grep -q sample-trace:foo_bar set_event + +echo make sure nothing is found besides foo_bar +if grep -q -v sample-trace:foo_bar set_event ; then + exit_fail +fi + +echo Append another using the system and event name +echo 'sample-trace:foo_bar_with_cond:mod:trace-events-sample' >> set_event + +grep -q sample-trace:foo_bar set_event +grep -q sample-trace:foo_bar_with_cond set_event + +count=`cat set_event | wc -l` + +if [ $count -ne 2 ]; then + exit_fail +fi + +clear_events + +rmmod trace-events-sample + +echo ':mod:trace-events-sample' > set_event + +echo make sure that the module shows up, and '-' is converted to '_' +grep -q '\*:\*:mod:trace_events_sample' set_event + +modprobe trace-events-sample + +test_all_enabled + +clear_events + +rmmod trace-events-sample + +echo Enable just the system events +echo 'sample-trace:mod:trace-events-sample' > set_event +grep -q 'sample-trace:mod:trace_events_sample' set_event + +modprobe trace-events-sample + +test_all_enabled + +clear_events + +rmmod trace-events-sample + +echo Enable event with just event name +echo 'foo_bar:mod:trace-events-sample' > set_event +grep -q 'foo_bar:mod:trace_events_sample' set_event + +echo Enable another event with both system and event name +echo 'sample-trace:foo_bar_with_cond:mod:trace-events-sample' >> set_event +grep -q 'sample-trace:foo_bar_with_cond:mod:trace_events_sample' set_event +echo Make sure the other event was still there +grep -q 'foo_bar:mod:trace_events_sample' set_event + +modprobe trace-events-sample + +echo There should be no :mod: cached events +if grep -q ':mod:' set_event; then + exit_fail +fi + +echo two events should be enabled +count=`cat set_event | wc -l` +if [ $count -ne 2 ]; then + exit_fail +fi + +echo only two events should be enabled +val=`cat events/sample-trace/enable` +if [ "$val" != "X" ]; then + exit_fail +fi + +val=`cat events/sample-trace/foo_bar/enable` +if [ "$val" != "1" ]; then + exit_fail +fi + +val=`cat events/sample-trace/foo_bar_with_cond/enable` +if [ "$val" != "1" ]; then + exit_fail +fi + +clear_trace -- 2.45.2

4 months, 4 weeks

1
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[PATCH v1 1/3] selftests: pidfd: add missing sys/mount.h include in pidfd_fdinfo_test.c

by Peter Seiderer

Fix compile on openSUSE Tumbleweed (gcc-14.2.1, glibc-2.40): - add missing sys/mount.h include Fixes: pidfd_fdinfo_test.c: In function ‘child_fdinfo_nspid_test’: pidfd_fdinfo_test.c:230:13: error: implicit declaration of function ‘mount’ [-Wimplicit-function-declaration] 230 | r = mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, 0); | ^~~~~ Signed-off-by: Peter Seiderer <ps.report(a)gmx.net> --- tools/testing/selftests/pidfd/pidfd_fdinfo_test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c index f062a986e382..f718aac75068 100644 --- a/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c +++ b/tools/testing/selftests/pidfd/pidfd_fdinfo_test.c @@ -13,6 +13,7 @@ #include <syscall.h> #include <sys/wait.h> #include <sys/mman.h> +#include <sys/mount.h> #include "pidfd.h" #include "../kselftest.h" -- 2.47.1

4 months, 4 weeks

1
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