summaryrefslogtreecommitdiff
path: root/tools/testing
AgeCommit message (Collapse)Author
2025-09-13mm/selftests: fix split_huge_page_test failure on systems with 64KB page sizeDonet Tom
The split_huge_page_test fails on systems with a 64KB base page size. This is because the order of a 2MB huge page is different: On 64KB systems, the order is 5. On 4KB systems, it's 9. The test currently assumes a maximum huge page order of 9, which is only valid for 4KB base page systems. On systems with 64KB pages, attempting to split huge pages beyond their actual order (5) causes the test to fail. In this patch, we calculate the huge page order based on the system's base page size. With this change, the tests now run successfully on both 64KB and 4KB page size systems. Link: https://lkml.kernel.org/r/20250816040113.760010-5-aboorvad@linux.ibm.com Fixes: fa6c02315f74 ("mm: huge_memory: a new debugfs interface for splitting THP tests") Co-developed-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Reviewed-by: Dev Jain <dev.jain@arm.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftest/mm: fix ksm_funtional_test failuresDonet Tom
This patch fixes 2 issues. 1) After fork() in test_prctl_fork, the child process uses the file descriptors from the parent process to read ksm_stat and ksm_merging_pages. This results in incorrect values being read (parent process ksm_stat and ksm_merging_pages will be read in child), causing the test to fail. This patch calls init_global_file_handles() in the child process to ensure that the current process's file descriptors are used to read ksm_stat and ksm_merging_pages. 2) All tests currently call ksm_merge to trigger page merging. To ensure the system remains in a consistent state for subsequent tests, it is better to call ksm_unmerge during the test cleanup phase In the test_prctl_fork test, after a fork(), reading ksm_merging_pages in the child process returns a non-zero value because a previous test performed a merge, and the child's memory state is inherited from the parent. Although the child process calls ksm_unmerge, the ksm_merging_pages counter in the parent is reset to zero, while the child's counter remains unchanged. This discrepancy causes the test to fail. To avoid this issue, each test should call ksm_unmerge during cleanup to ensure the counter is reset and the system is in a clean state for subsequent tests. execv argument is an array of pointers to null-terminated strings. In this patch we also added NULL in the execv argument. Link: https://lkml.kernel.org/r/20250816040113.760010-4-aboorvad@linux.ibm.com Fixes: 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") Co-developed-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/mm: add support to test 4PB VA on PPC64Donet Tom
PowerPC64 supports a 4PB virtual address space, but this test was previously limited to 512TB. This patch extends the coverage up to the full 4PB VA range on PowerPC64. Memory from 0 to 128TB is allocated without an address hint, while allocations from 128TB to 4PB use a hint address. Link: https://lkml.kernel.org/r/20250816040113.760010-3-aboorvad@linux.ibm.com Co-developed-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Reviewed-by: Dev Jain <dev.jain@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13mm/selftests: fix incorrect pointer being passed to mark_range()Donet Tom
Patch series "selftests/mm: Fix false positives and skip unsupported tests", v4. This patch series addresses false positives in the generic mm selftests and skips tests that cannot run correctly due to missing features or system limitations. This patch (of 7): In main(), the high address is stored in hptr, but for mark_range(), the address passed is ptr, not hptr. Fixed this by changing ptr[i] to hptr[i] in mark_range() function call. Link: https://lkml.kernel.org/r/20250816040113.760010-1-aboorvad@linux.ibm.com Link: https://lkml.kernel.org/r/20250816040113.760010-2-aboorvad@linux.ibm.com Fixes: b2a79f62133a ("selftests/mm: virtual_address_range: unmap chunks after validation") Co-developed-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Reviewed-by: Dev Jain <dev.jain@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/damon/access_memory_even: remove unused header fileEnze Li
Since the time.h header file is not actually needed in this code, we can safely remove its inclusion. Link: https://lkml.kernel.org/r/20250814125417.659937-1-lienze@kylinos.cn Signed-off-by: Enze Li <lienze@kylinos.cn> Reviewed-by: SeongJae Park <sj@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/damon: fix damon selftests by installing _common.shAlexandre Ghiti
_common.sh was recently introduced but is not installed and then triggers an error when trying to run the damon selftests: selftests: damon: sysfs.sh ./sysfs.sh: line 4: _common.sh: No such file or directory Install this file to avoid this error. Link: https://lkml.kernel.org/r/20250812-alex-fixes_manual-v1-1-c4e99b1f80e4@rivosinc.com Fixes: 511914506d19 ("selftests/damon: introduce _common.sh to host shared function") Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Tested-by: Sang-Heon Jeon <ekffu200098@gmail.com> Reviewed-by: SeongJae Park <sj@kernel.org> Tested-by: Enze Li <lienze@kylinos.cn> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/mm: fix spelling mistake "mrmeap" -> "mremap"Colin Ian King
There are spelling mistakes in perror messages. Fix these. Link: https://lkml.kernel.org/r/20250813081333.1978096-1-colin.i.king@gmail.com Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13mm: replace mm->flags with bitmap entirely and set to 64 bitsLorenzo Stoakes
Now we have updated all users of mm->flags to use the bitmap accessors, repalce it with the bitmap version entirely. We are then able to move to having 64 bits of mm->flags on both 32-bit and 64-bit architectures. We also update the VMA userland tests to ensure that everything remains functional there. No functional changes intended, other than there now being 64 bits of available mm_struct flags. Link: https://lkml.kernel.org/r/e1f6654e016d36c43959764b01355736c5cbcdf8.1755012943.git.lorenzo.stoakes@oracle.com Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Acked-by: David Hildenbrand <david@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Andreas Larsson <andreas@gaisler.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Ben Segall <bsegall@google.com> Cc: Borislav Betkov <bp@alien8.de> Cc: Chengming Zhou <chengming.zhou@linux.dev> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Christian Brauner <brauner@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: David S. Miller <davem@davemloft.net> Cc: Dev Jain <dev.jain@arm.com> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jan Kara <jack@suse.cz> Cc: Jann Horn <jannh@google.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Kees Cook <kees@kernel.org> Cc: Marc Rutland <mark.rutland@arm.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Mel Gorman <mgorman <mgorman@suse.de> Cc: Michal Hocko <mhocko@suse.com> Cc: Namhyung kim <namhyung@kernel.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Xu <peterx@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Thomas Gleinxer <tglx@linutronix.de> Cc: Valentin Schneider <vschneid@redhat.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Vincent Guittot <vincent.guittot@linaro.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: xu xin <xu.xin16@zte.com.cn> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/mm: do check_huge_anon() with a number been passed inWei Yang
Currently it hard codes the number of hugepage to check for check_huge_anon(), but it would be more reasonable to do the check based on a number passed in. Pass in the hugepage number and do the check based on it. Link: https://lkml.kernel.org/r/20250809194209.30484-1-richard.weiyang@gmail.com Signed-off-by: Wei Yang <richard.weiyang@gmail.com> Reviewed by: Donet Tom <donettom@linux.ibm.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Vishal Moola (Oracle) <vishal.moola@gmail.com> Reviewed-by: wang lian <lianux.mm@gmail.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/damon: test no-op commit broke DAMON statusSang-Heon Jeon
Add test to verify that DAMON status is not changed after a no-op commit. [ekffu200098@gmail.com: change wrong json.dump usage to json.dumps] Link: https://lkml.kernel.org/r/20250816014033.190451-1-ekffu200098@gmail.com Link: https://lkml.kernel.org/r/20250810124354.16456-1-ekffu200098@gmail.com Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com> Reviewed-by: SeongJae Park <sj@kernel.org> Cc: Honggyu Kim <honggyu.kim@sk.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftest/kho: update generation of initrdMike Rapoport (Microsoft)
Use nolibc include directory rather than include a cumulative nolibc.h on the compiler command line and replace use of 'sudo cpio' with usr/gen_init_cpio. While on it fix spelling of KHO_FINALIZE Link: https://lkml.kernel.org/r/20250811082510.4154080-4-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Suggested-by: Thomas Weißschuh <linux@weissschuh.net> Cc: Alexander Graf <graf@amazon.com> Cc: Baoquan He <bhe@redhat.com> Cc: Changyuan Lyu <changyuanl@google.com> Cc: Pasha Tatashin <pasha.tatashin@soleen.com> Cc: Pratyush Yadav <pratyush@kernel.org> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13mm: rename vm_ops->find_special_page() to vm_ops->find_normal_page()David Hildenbrand
... and hide it behind a kconfig option. There is really no need for any !xen code to perform this check. The naming is a bit off: we want to find the "normal" page when a PTE was marked "special". So it's really not "finding a special" page. Improve the documentation, and add a comment in the code where XEN ends up performing the pte_mkspecial() through a hypercall. More details can be found in commit 923b2919e2c3 ("xen/gntdev: mark userspace PTEs as special on x86 PV guests"). Link: https://lkml.kernel.org/r/20250811112631.759341-12-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Christian Brauner <brauner@kernel.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dev Jain <dev.jain@arm.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jan Kara <jack@suse.cz> Cc: Jann Horn <jannh@google.com> Cc: Juegren Gross <jgross@suse.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Mariano Pache <npache@redhat.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/proc: test PROCMAP_QUERY ioctl while vma is concurrently modifiedSuren Baghdasaryan
Patch series " execute PROCMAP_QUERY ioctl under per-vma lock", v4. With /proc/pid/maps now being read under per-vma lock protection we can reuse parts of that code to execute PROCMAP_QUERY ioctl also without taking mmap_lock. The change is designed to reduce mmap_lock contention and prevent PROCMAP_QUERY ioctl calls from blocking address space updates. This patchset was split out of the original patchset [1] that introduced per-vma lock usage for /proc/pid/maps reading. It contains PROCMAP_QUERY tests, code refactoring patch to simplify the main change and the actual transition to per-vma lock. This patch (of 3): Extend /proc/pid/maps tearing tests to verify PROCMAP_QUERY ioctl operation correctness while the vma is being concurrently modified. Link: https://lkml.kernel.org/r/20250808152850.2580887-1-surenb@google.com Link: https://lkml.kernel.org/r/20250808152850.2580887-2-surenb@google.com Signed-off-by: Suren Baghdasaryan <surenb@google.com> Tested-by: SeongJae Park <sj@kernel.org> Acked-by: SeongJae Park <sj@kernel.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrii Nakryiko <andrii@kernel.org> Cc: Christian Brauner <brauner@kernel.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: David Hildenbrand <david@redhat.com> Cc: Jann Horn <jannh@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Josef Bacik <josef@toxicpanda.com> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Oscar Salvador <osalvador@suse.de> Cc: "Paul E . McKenney" <paulmck@kernel.org> Cc: Peter Xu <peterx@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Thomas Weißschuh <linux@weissschuh.net> Cc: T.J. Mercier <tjmercier@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Ye Bin <yebin10@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/mm: use __auto_type in swap() macroPranav Tyagi
Replace typeof() with __auto_type in the swap() macro in uffd-stress.c. __auto_type was introduced in GCC 4.9 and reduces the compile time for all compilers. No functional changes intended. Link: https://lkml.kernel.org/r/20250730142301.6754-1-pranav.tyagi03@gmail.com Signed-off-by: Pranav Tyagi <pranav.tyagi03@gmail.com> Reviewed-by: Joshua Hahn <joshua.hahnjy@gmail.com> Cc: Peter Xu <peterx@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13selftests/mm: pass filename as input param to VM_PFNMAP testsSudarsan Mahendran
Enable these tests to be run on other pfnmap'ed memory like NVIDIA's EGM. Add '--' as a separator to pass in file path. This allows passing of cmd line arguments to kselftest_harness. Use '/dev/mem' as default filename. Existing test passes: pfnmap TAP version 13 1..6 # Starting 6 tests from 1 test cases. # PASSED: 6 / 6 tests passed. # Totals: pass:6 fail:0 xfail:0 xpass:0 skip:0 error:0 Pass params to kselftest_harness: pfnmap -r pfnmap:mremap_fixed TAP version 13 1..1 # Starting 1 tests from 1 test cases. # RUN pfnmap.mremap_fixed ... # OK pfnmap.mremap_fixed ok 1 pfnmap.mremap_fixed # PASSED: 1 / 1 tests passed. # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 Pass non-existent file name as input: pfnmap -- /dev/blah TAP version 13 1..6 # Starting 6 tests from 1 test cases. # RUN pfnmap.madvise_disallowed ... # SKIP Cannot open '/dev/blah' Pass non pfnmap'ed file as input: pfnmap -r pfnmap.madvise_disallowed -- randfile.txt TAP version 13 1..1 # Starting 1 tests from 1 test cases. # RUN pfnmap.madvise_disallowed ... # SKIP Invalid file: 'randfile.txt'. Not pfnmap'ed Link: https://lkml.kernel.org/r/20250805013629.47629-1-sudarsanm@google.com Signed-off-by: Sudarsan Mahendran <sudarsanm@google.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-09-13rseq/selftests: Use weak symbol reference, not definition, to link with glibcSean Christopherson
Add "extern" to the glibc-defined weak rseq symbols to convert the rseq selftest's usage from weak symbol definitions to weak symbol _references_. Effectively re-defining the glibc symbols wreaks havoc when building with -fno-common, e.g. generates segfaults when running multi-threaded programs, as dynamically linked applications end up with multiple versions of the symbols. Building with -fcommon, which until recently has the been the default for GCC and clang, papers over the bug by allowing the linker to resolve the weak/tentative definition to glibc's "real" definition. Note, the symbol itself (or rather its address), not the value of the symbol, is set to 0/NULL for unresolved weak symbol references, as the symbol doesn't exist and thus can't have a value. Check for a NULL rseq size pointer to handle the scenario where the test is statically linked against a libc that doesn't support rseq in any capacity. Fixes: 3bcbc20942db ("selftests/rseq: Play nice with binaries statically linked against glibc 2.35+") Reported-by: Thomas Gleixner <tglx@linutronix.de> Suggested-by: Florian Weimer <fweimer@redhat.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: stable@vger.kernel.org Closes: https://lore.kernel.org/all/87frdoybk4.ffs@tglx
2025-09-12Merge tag 'nf-next-25-09-11' of ↵Jakub Kicinski
https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next Florian Westphal says: ==================== netfilter: updates for net-next 1) Don't respond to ICMP_UNREACH errors with another ICMP_UNREACH error. 2) Support fetching the current bridge ethernet address. This allows a more flexible approach to packet redirection on bridges without need to use hardcoded addresses. From Fernando Fernandez Mancera. 3) Zap a few no-longer needed conditionals from ipvs packet path and convert to READ/WRITE_ONCE to avoid KCSAN warnings. From Zhang Tengfei. 4) Remove a no-longer-used macro argument in ipset, from Zhen Ni. * tag 'nf-next-25-09-11' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next: netfilter: nf_reject: don't reply to icmp error messages ipvs: Use READ_ONCE/WRITE_ONCE for ipvs->enable netfilter: nft_meta_bridge: introduce NFT_META_BRI_IIFHWADDR support netfilter: ipset: Remove unused htable_bits in macro ahash_region selftest:net: fixed spelling mistakes ==================== Link: https://patch.msgid.link/20250911143819.14753-1-fw@strlen.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests: forwarding: Add test for BR_BOOLOPT_FDB_LOCAL_VLAN_0Petr Machata
Add a selftest to check the operation of this newly-introduced bridge option. Signed-off-by: Petr Machata <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/62294f96884ab5d341648eef21243fa099a2dee5.1757004393.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests: net: lib.sh: Don't defer failed commandsPetr Machata
Usually the autodefer helpers in lib.sh are expected to be run in context where success is the expected outcome. However when using them for feature detection, failure can legitimately occur. But the failed command still schedules a cleanup, which will likely fail again. Instead, only schedule deferred cleanup when the positive command succeeds. This way of organizing the cleanup has the added benefit that now the return code from these functions reflects whether the command passed. Signed-off-by: Petr Machata <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/af10a5bb82ea11ead978cf903550089e006d7e70.1757004393.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests: defer: Introduce DEFER_PAUSE_ON_FAILPetr Machata
The fact that all cleanup (ideally) goes through the defer framework makes debugging of these commands a bit tricky. However, this also gives us a nice point to place a hook along the lines of PAUSE_ON_FAIL. When the environment variable DEFER_PAUSE_ON_FAIL is set, and a cleanup command results in non-zero exit status, show a bit of debuginfo and give the user an opportunity to interrupt the execution altogether. Signed-off-by: Petr Machata <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/2a07d24568ede6c42e4701657fa0b738e490fe59.1757004393.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests: defer: Allow spaces in arguments of deferred commandsPetr Machata
Currently the way deferred commands are stored and invoked causes any whitespace to act as an argument separator when the command is executed. To make it possible to use spaces in deferred commands, store the commands quoted, and then eval the string prior to execution. Fixes: a6e263f125cd ("selftests: net: lib: Introduce deferred commands") Signed-off-by: Petr Machata <petrm@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/6c2523139a6f99103889c9c9fedcdc66a75441f4.1757004393.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11wireguard: selftests: select CONFIG_IP_NF_IPTABLES_LEGACYJason A. Donenfeld
This is required on recent kernels, where it is now off by default. While we're here, fix some stray =m's that were supposed to be =y. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Link: https://patch.msgid.link/20250910013644.4153708-5-Jason@zx2c4.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11wireguard: selftests: remove CONFIG_SPARSEMEM_VMEMMAP=y from qemu kernel configDavid Hildenbrand
It's no longer user-selectable (and the default was already "y"), so let's just drop it. It was never really relevant to the wireguard selftests either way. Cc: Shuah Khan <shuah@kernel.org> Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Link: https://patch.msgid.link/20250910013644.4153708-4-Jason@zx2c4.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests: Replace sleep with slowwaitDavid Ahern
Replace the sleep in kill_procs with slowwait. Signed-off-by: David Ahern <dsahern@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250910025828.38900-2-dsahern@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests: Disable dad for ipv6 in fcnal-test.shDavid Ahern
Constrained test environment; duplicate address detection is not needed and causes races so disable it. Signed-off-by: David Ahern <dsahern@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250910025828.38900-1-dsahern@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes after downstream PR (net-6.17-rc6). Conflicts: net/netfilter/nft_set_pipapo.c net/netfilter/nft_set_pipapo_avx2.c c4eaca2e1052 ("netfilter: nft_set_pipapo: don't check genbit from packetpath lookups") 84c1da7b38d9 ("netfilter: nft_set_pipapo: use avx2 algorithm for insertions too") Only trivial adjacent changes (in a doc and a Makefile). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-11selftests/bpf: Add tests for arena fault reportingPuranjay Mohan
Add selftests for testing the reporting of arena page faults through BPF streams. Two new bpf programs are added that read and write to an unmapped arena address and the fault reporting is verified in the userspace through streams. The added bpf programs need to access the user_vm_start in struct bpf_arena, this is done by casting &arena to struct bpf_arena *, but barrier_var() is used on this ptr before accessing ptr->user_vm_start; to stop GCC from issuing an out-of-bound access due to the cast from smaller map struct to larger "struct bpf_arena" Signed-off-by: Puranjay Mohan <puranjay@kernel.org> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20250911145808.58042-7-puranjay@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-09-11selftests: bpf: use __stderr in stream error testsPuranjay Mohan
Start using __stderr directly in the bpf programs to test the reporting of may_goto timeout detection and spin_lock dead lock detection. Signed-off-by: Puranjay Mohan <puranjay@kernel.org> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20250911145808.58042-6-puranjay@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-09-11selftests: bpf: introduce __stderr and __stdoutPuranjay Mohan
Add __stderr and __stdout to validate the output of BPF streams for bpf selftests. Similar to __xlated, __jited, etc., __stderr/out can be used in the BPF progs to compare a string (regex supported) to the output in the bpf streams. Signed-off-by: Puranjay Mohan <puranjay@kernel.org> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20250911145808.58042-5-puranjay@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-09-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after rc5Alexei Starovoitov
Cross-merge BPF and other fixes after downstream PR. No conflicts. Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-09-11KVM: selftests: Add support for DIV and IDIV in the fastops testSean Christopherson
Extend the fastops test coverage to DIV and IDIV, specifically to provide coverage for #DE (divide error) exceptions, as #DE is the only exception that can occur in KVM's fastops path, i.e. that requires exception fixup. Link: https://lore.kernel.org/r/20250909202835.333554-5-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2025-09-11KVM: selftests: Dedup the gnarly constraints of the fastops tests (more macros!)Sean Christopherson
Add a fastop() macro along with macros to define its required constraints, and use the macros to dedup the innermost guts of the fastop testcases. No functional change intended. Link: https://lore.kernel.org/r/20250909202835.333554-4-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2025-09-11KVM: selftests: Add coverage for 'b' (byte) sized fastops emulationSean Christopherson
Extend the fastops test to cover instructions that operate on 8-bit data. Support for 8-bit instructions was omitted from the original commit purely due to complications with BT not having a r/m8 variant. To keep the RFLAGS.CF behavior deterministic and not heavily biased to '0' or '1', continue using BT, but cast and load the to-be-tested value into a dedicated 32-bit constraint. Supporting 8-bit operations will allow using guest_test_fastops() as-is to provide full coverage for DIV and IDIV. For divide operations, covering all operand sizes _is_ interesting, because KVM needs provide exception fixup for each size (failure to handle a #DE could panic the host). Link: https://lore.kernel.org/all/aIF7ZhWZxlkcpm4y@google.com Link: https://lore.kernel.org/r/20250909202835.333554-3-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2025-09-11KVM: selftests: Add support for #DE exception fixupSean Christopherson
Add support for handling #DE (divide error) exceptions in KVM selftests so that the fastops test can verify KVM correctly handles #DE when emulating DIV or IDIV on behalf of the guest. Morph #DE to 0xff (i.e. to -1) as a mostly-arbitrary vector to indicate #DE, so that '0' (the real #DE vector) can still be used to indicate "no exception". Link: https://lore.kernel.org/r/20250909202835.333554-2-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
2025-09-11Merge tag 'net-6.17-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from CAN, netfilter and wireless. We have an IPv6 routing regression with the relevant fix still a WiP. This includes a last-minute revert to avoid more problems. Current release - new code bugs: - wifi: nl80211: completely disable per-link stats for now Previous releases - regressions: - dev_ioctl: take ops lock in hwtstamp lower paths - netfilter: - fix spurious set lookup failures - fix lockdep splat due to missing annotation - genetlink: fix genl_bind() invoking bind() after -EPERM - phy: transfer phy_config_inband() locking responsibility to phylink - can: xilinx_can: fix use-after-free of transmitted SKB - hsr: fix lock warnings - eth: - igb: fix NULL pointer dereference in ethtool loopback test - i40e: fix Jumbo Frame support after iPXE boot - macsec: sync features on RTM_NEWLINK Previous releases - always broken: - tunnels: reset the GSO metadata before reusing the skb - mptcp: make sync_socket_options propagate SOCK_KEEPOPEN - can: j1939: implement NETDEV_UNREGISTER notification hanidler - wifi: ath12k: fix WMI TLV header misalignment" * tag 'net-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits) Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups" hsr: hold rcu and dev lock for hsr_get_port_ndev hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr hsr: use rtnl lock when iterating over ports wifi: nl80211: completely disable per-link stats for now net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info MAINTAINERS: add Phil as netfilter reviewer netfilter: nf_tables: restart set lookup on base_seq change netfilter: nf_tables: make nft_set_do_lookup available unconditionally netfilter: nf_tables: place base_seq in struct net netfilter: nft_set_rbtree: continue traversal if element is inactive netfilter: nft_set_pipapo: don't check genbit from packetpath lookups netfilter: nft_set_bitmap: fix lockdep splat due to missing annotation can: rcar_can: rcar_can_resume(): fix s2ram with PSCI can: xilinx_can: xcan_write_frame(): fix use-after-free of transmitted SKB can: j1939: j1939_local_ecu_get(): undo increment when j1939_local_ecu_get() fails can: j1939: j1939_sk_bind(): call j1939_priv_put() immediately when j1939_local_ecu_get() failed can: j1939: implement NETDEV_UNREGISTER notification handler selftests: can: enable CONFIG_CAN_VCAN as a module ...
2025-09-11Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfLinus Torvalds
Pull bpf fixes from Alexei Starovoitov: "A number of fixes accumulated due to summer vacations - Fix out-of-bounds dynptr write in bpf_crypto_crypt() kfunc which was misidentified as a security issue (Daniel Borkmann) - Update the list of BPF selftests maintainers (Eduard Zingerman) - Fix selftests warnings with icecc compiler (Ilya Leoshkevich) - Disable XDP/cpumap direct return optimization (Jesper Dangaard Brouer) - Fix unexpected get_helper_proto() result in unusual configuration BPF_SYSCALL=y and BPF_EVENTS=n (Jiri Olsa) - Allow fallback to interpreter when JIT support is limited (KaFai Wan) - Fix rqspinlock and choose trylock fallback for NMI waiters. Pick the simplest fix. More involved fix is targeted bpf-next (Kumar Kartikeya Dwivedi) - Fix cleanup when tcp_bpf_send_verdict() fails to allocate psock->cork (Kuniyuki Iwashima) - Disallow bpf_timer in PREEMPT_RT for now. Proper solution is being discussed for bpf-next. (Leon Hwang) - Fix XSK cq descriptor production (Maciej Fijalkowski) - Tell memcg to use allow_spinning=false path in bpf_timer_init() to avoid lockup in cgroup_file_notify() (Peilin Ye) - Fix bpf_strnstr() to handle suffix match cases (Rong Tao)" * tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: Skip timer cases when bpf_timer is not supported bpf: Reject bpf_timer for PREEMPT_RT tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork. bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init() bpf: Allow fall back to interpreter for programs with stack size <= 512 rqspinlock: Choose trylock fallback for NMI waiters xsk: Fix immature cq descriptor production bpf: Update the list of BPF selftests maintainers selftests/bpf: Add tests for bpf_strnstr selftests/bpf: Fix "expression result unused" warnings with icecc bpf: Fix bpf_strnstr() to handle suffix match cases better selftests/bpf: Extend crypto_sanity selftest with invalid dst buffer bpf: Fix out-of-bounds dynptr write in bpf_crypto_crypt bpf: Check the helper function is valid in get_helper_proto bpf, cpumap: Disable page_pool direct xdp_return need larger scope
2025-09-11selftest:net: fixed spelling mistakesAndres Urian Florez
Fixed spelling errors in test_redirect6() error message and test_port_shadowing() comments Signed-off-by: Andres Urian Florez <andres.emb.sys@gmail.com> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de>
2025-09-11selftests: traceroute: Add VRF testsIdo Schimmel
Create versions of the existing test cases where the routers generating the ICMP error messages are using VRFs. Check that the source IPs of these messages do not change in the presence of VRFs. IPv6 always behaved correctly, but IPv4 fails when reverting "ipv4: icmp: Fix source IP derivation in presence of VRFs". Without IPv4 change: # ./traceroute.sh TEST: IPv6 traceroute [ OK ] TEST: IPv6 traceroute with VRF [ OK ] TEST: IPv4 traceroute [ OK ] TEST: IPv4 traceroute with VRF [FAIL] traceroute did not return 1.0.3.1 $ echo $? 1 The test fails because the ICMP error message is sent with the VRF device's IP (1.0.4.1): # traceroute -n -s 1.0.1.3 1.0.2.4 traceroute to 1.0.2.4 (1.0.2.4), 30 hops max, 60 byte packets 1 1.0.4.1 0.165 ms 0.110 ms 0.103 ms 2 1.0.2.4 0.098 ms 0.085 ms 0.078 ms # traceroute -n -s 1.0.3.3 1.0.2.4 traceroute to 1.0.2.4 (1.0.2.4), 30 hops max, 60 byte packets 1 1.0.4.1 0.201 ms 0.138 ms 0.129 ms 2 1.0.2.4 0.123 ms 0.105 ms 0.098 ms With IPv4 change: # ./traceroute.sh TEST: IPv6 traceroute [ OK ] TEST: IPv6 traceroute with VRF [ OK ] TEST: IPv4 traceroute [ OK ] TEST: IPv4 traceroute with VRF [ OK ] $ echo $? 0 Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20250908073238.119240-9-idosch@nvidia.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11selftests: traceroute: Test traceroute with different source IPsIdo Schimmel
When generating ICMP error messages, the kernel will prefer a source IP that is on the same subnet as the destination IP (see inet_select_addr()). Test this behavior by invoking traceroute with different source IPs and checking that the ICMP error message is generated with a source IP in the same subnet. Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20250908073238.119240-8-idosch@nvidia.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11selftests: traceroute: Reword commentIdo Schimmel
Both of the addresses are configured as primary addresses, but the kernel is expected to choose 10.0.1.1/24 as the source IP of the ICMP error message since it is on the same subnet as the destination IP of the message (10.0.1.3/24). Reword the comment to reflect that. Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20250908073238.119240-7-idosch@nvidia.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11selftests: traceroute: Use require_command()Ido Schimmel
Use require_command() so that the test will return SKIP (4) when a required command is not present. Before: # ./traceroute.sh SKIP: Could not run IPV6 test without traceroute6 SKIP: Could not run IPV4 test without traceroute $ echo $? 0 After: # ./traceroute.sh TEST: traceroute6 not installed [SKIP] $ echo $? 4 Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20250908073238.119240-6-idosch@nvidia.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11selftests: traceroute: Return correct value on failureIdo Schimmel
The test always returns success even if some tests were modified to fail. Fix by converting the test to use the appropriate library functions instead of using its own functions. Before: # ./traceroute.sh TEST: IPV6 traceroute [FAIL] TEST: IPV4 traceroute [ OK ] Tests passed: 1 Tests failed: 1 $ echo $? 0 After: # ./traceroute.sh TEST: IPv6 traceroute [FAIL] traceroute6 did not return 2000:102::2 TEST: IPv4 traceroute [ OK ] $ echo $? 1 Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/20250908073238.119240-5-idosch@nvidia.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-11selftests: net: Add tests to verify team driver option set and get.Marc Harvey
There are currently no kernel tests that verify setting and getting options of the team driver. In the future, options may be added that implicitly change other options, which will make it useful to have tests like these that show nothing breaks. There will be a follow up patch to this that adds new "rx_enabled" and "tx_enabled" options, which will implicitly affect the "enabled" option value and vice versa. The tests use teamnl to first set options to specific values and then gets them to compare to the set values. Signed-off-by: Marc Harvey <marcharvey@google.com> Link: https://patch.msgid.link/20250905040441.2679296-1-marcharvey@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-09-10Merge tag 'linux-can-fixes-for-6.17-20250910' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2025-09-10 The 1st patch is by Alex Tran and fixes the Documentation of the struct bcm_msg_head. Davide Caratti's patch enabled the VCAN driver as a module for the Linux self tests. Tetsuo Handa contributes 3 patches that fix various problems in the CAN j1939 protocol. Anssi Hannula's patch fixes a potential use-after-free in the xilinx_can driver. Geert Uytterhoeven's patch fixes the rcan_can's suspend to RAM on R-Car Gen3 using PSCI. * tag 'linux-can-fixes-for-6.17-20250910' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can: can: rcar_can: rcar_can_resume(): fix s2ram with PSCI can: xilinx_can: xcan_write_frame(): fix use-after-free of transmitted SKB can: j1939: j1939_local_ecu_get(): undo increment when j1939_local_ecu_get() fails can: j1939: j1939_sk_bind(): call j1939_priv_put() immediately when j1939_local_ecu_get() failed can: j1939: implement NETDEV_UNREGISTER notification handler selftests: can: enable CONFIG_CAN_VCAN as a module docs: networking: can: change bcm_msg_head frames member to support flexible array ==================== Link: https://patch.msgid.link/20250910162907.948454-1-mkl@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-10selftests: net: replace sleeps in fcnal-test with waitsJakub Kicinski
fcnal-test.sh already includes lib.sh, use relevant helpers instead of sleeping. Replace sleep after starting nettest as a server with wait_local_port_listen. Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20250909223837.863217-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-10selftests/bpf: Skip timer cases when bpf_timer is not supportedLeon Hwang
When enable CONFIG_PREEMPT_RT, verifier will reject bpf_timer with returning -EOPNOTSUPP. Therefore, skip test cases when errno is EOPNOTSUPP. cd tools/testing/selftests/bpf ./test_progs -t timer 125 free_timer:SKIP 456 timer:SKIP 457/1 timer_crash/array:SKIP 457/2 timer_crash/hash:SKIP 457 timer_crash:SKIP 458 timer_lockup:SKIP 459 timer_mim:SKIP Summary: 5/0 PASSED, 6 SKIPPED, 0 FAILED Signed-off-by: Leon Hwang <leon.hwang@linux.dev> Link: https://lore.kernel.org/r/20250910125740.52172-3-leon.hwang@linux.dev Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2025-09-10selftests: can: enable CONFIG_CAN_VCAN as a moduleDavide Caratti
A proper kernel configuration for running kselftest can be obtained with: $ yes | make kselftest-merge Build of 'vcan' driver is currently missing, while the other required knobs are already there because of net/link_netns.py [1]. Add a config file in selftests/net/can to store the minimum set of kconfig needed for CAN selftests. [1] https://patch.msgid.link/20250219125039.18024-14-shaw.leon@gmail.com Fixes: 77442ffa83e8 ("selftests: can: Import tst-filter from can-tests") Reviewed-by: Vincent Mailhol <mailhol@kernel.org> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Link: https://patch.msgid.link/fa4c0ea262ec529f25e5f5aa9269d84764c67321.1757516009.git.dcaratti@redhat.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2025-09-10cxl/acpi: Rename CFMW coherency restrictionsDavidlohr Bueso
ACPICA commit 710745713ad3a2543dbfb70e84764f31f0e46bdc This has been renamed in more recent CXL specs, as type3 (memory expanders) can also use HDM-DB for device coherent memory. Link: https://github.com/acpica/acpica/commit/710745713ad3a2543dbfb70e84764f31f0e46bdc Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org> Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Reviewed-by: Gregory Price <gourry@gourry.net> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://patch.msgid.link/20250908160034.86471-1-dave@stgolabs.net Signed-off-by: Dave Jiang <dave.jiang@intel.com>
2025-09-09selftests: mptcp: join: allow more time to send ADD_ADDRMatthieu Baerts (NGI0)
When many ADD_ADDR need to be sent, it can take some time to send each of them, and create new subflows. Some CIs seem to occasionally have issues with these tests, especially with "debug" kernels. Two subtests will now run for a slightly longer time: the last two where 3 or more ADD_ADDR are sent during the test. Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250907-net-next-mptcp-add_addr-retrans-adapt-v1-3-824cc805772b@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-09selftests: mptcp: join: tolerate more ADD_ADDRMatthieu Baerts (NGI0)
ADD_ADDR can be retransmitted, and with, the parent commit, these retransmissions can be sent quicker: from 2 minutes to less than one second. To avoid false positives where retransmitted ADD_ADDR causes higher counters than expected, it is required to be more tolerant. Errors are now only reported when fewer ADD_ADDRs have been sent/received, except if no ADD_ADDR are expected. Before the parent commit, the tolerance was present for each tests where the ADD_ADDR could be retransmitted in a reasonable time (1 sec). Now that all tests can have retransmitted ADD_ADDR, it is normal to apply the same tolerance for all tests. An alternative could be to disable the ADD_ADDR retransmissions by default, but that's changing the default kernel behaviour. Plus, ADD_ADDR retransmissions can be required for some tests. To avoid adding exceptions to many tests, it seems better to increase the tolerance. Later, we could add a new MIB counter to identify the ADD_ADDR retransmissions, and remove the tolerance when this counter is available. Reviewed-by: Geliang Tang <geliang@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250907-net-next-mptcp-add_addr-retrans-adapt-v1-2-824cc805772b@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
generated by cgit v1.2.3 (git 2.0.4) at 2026-01-02 12:11:57 +0000