13609 Commits

Author SHA1 Message Date
Domenico Cerasuolo
a549f9f315 selftests: cgroup: add test_zswap with no kmem bypass test
Add a cgroup selftest that verifies memcg charging in zswap.  The original
issue was that kmem bypass was applied to pages swapped out to zswap by
kswapd, resulting in zswapped memory not being charged.  It was fixed by
commit cd08d80ecdac("mm: correctly charge compressed memory to its
memcg").

Link: https://lkml.kernel.org/r/20230621153548.428093-3-cerasuolodomenico@gmail.com
Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Zefan Li <lizefan.x@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:08 -07:00
Domenico Cerasuolo
fe3b1bf19b selftests: cgroup: add test_zswap program
Patch series "selftests: cgroup: add zswap test program".

This series adds 2 zswap related selftests that verify known and fixed
issues.  A new dedicated test program (test_zswap) is proposed since the
test cases are specific to zswap and hosts specific helpers.

The first patch adds the (empty) test program, while the other 2 add an
actual test function each.


This patch (of 3):

Add empty cgroup-zswap self test scaffold program, test functions to be
added in the next commits.

Link: https://lkml.kernel.org/r/20230621153548.428093-1-cerasuolodomenico@gmail.com
Link: https://lkml.kernel.org/r/20230621153548.428093-2-cerasuolodomenico@gmail.com
Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: Zefan Li <lizefan.x@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:08 -07:00
Peng Zhang
c38d9ff2cc maple_tree: add test for expanding range in RCU mode
Add test for expanding range in RCU mode. If we use the fast path of the
slot store to expand range in RCU mode, this test will fail.

Link: https://lkml.kernel.org/r/20230628073657.75314-3-zhangpeng.00@bytedance.com
Signed-off-by: Peng Zhang <zhangpeng.00@bytedance.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:05 -07:00
Peter Xu
de4ec376df selftests/mm: add gup test matrix in run_vmtests.sh
Add a matrix for testing gup based on the current gup_test.  Only run the
matrix when -a is specified because it's a bit slow.

It covers:

  - Different types of huge pages: thp, hugetlb, or no huge page
  - Permissions: Write / Read-only
  - Fast-gup, with/without
  - Types of the GUP: pin / gup / longterm pins
  - Shared / Private memories
  - GUP size: 1 / 512 / random page sizes

Link: https://lkml.kernel.org/r/20230628215310.73782-9-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: James Houghton <jthoughton@google.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Kirill A . Shutemov <kirill@shutemov.name>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:04 -07:00
Peter Xu
2bc4813622 selftests/mm: add -a to run_vmtests.sh
Allows to specify optional tests in run_vmtests.sh, where we can run time
consuming test matrix only when user specified "-a".

Link: https://lkml.kernel.org/r/20230628215310.73782-8-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: James Houghton <jthoughton@google.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Kirill A . Shutemov <kirill@shutemov.name>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yang Shi <shy828301@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-08-18 10:12:04 -07:00
Dave Marchevsky
63ae8eb2c5 selftests/bpf: Add CO-RE relocs kfunc flavors tests
This patch adds selftests that exercise kfunc flavor relocation
functionality added in the previous patch. The actual kfunc defined
in kernel/bpf/helpers.c is:

  struct task_struct *bpf_task_acquire(struct task_struct *p)

The following relocation behaviors are checked:

  struct task_struct *bpf_task_acquire___one(struct task_struct *name)
    * Should succeed despite differing param name

  struct task_struct *bpf_task_acquire___two(struct task_struct *p, void *ctx)
    * Should fail because there is no two-param bpf_task_acquire

  struct task_struct *bpf_task_acquire___three(void *ctx)
    * Should fail because, despite vmlinux's bpf_task_acquire having one param,
      the types don't match

Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20230817225353.2570845-2-davemarchevsky@fb.com
2023-08-18 18:12:59 +02:00
Mark Brown
94f23ac36f kselftest/arm64: Fix hwcaps selftest build
The hwcaps selftest currently relies on the assembler being able to
assemble the crc32w instruction but this is not in the base v8.0 so is not
accepted by the standard GCC configurations used by many distributions.
Switch to manually encoding to fix the build.

Fixes: 09d2e95a04ad ("kselftest/arm64: add crc32 feature to hwcap test")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230816-arm64-fix-crc32-build-v1-1-40165c1290f2@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-18 17:07:44 +01:00
Nicolin Chen
af4fde93c3 iommufd/selftest: Add coverage for IOMMU_GET_HW_INFO ioctl
Add a mock_domain_hw_info function and an iommu_test_hw_info data
structure. This allows to test the IOMMU_GET_HW_INFO ioctl passing the
test_reg value for the mock_dev.

Link: https://lore.kernel.org/r/20230818101033.4100-5-yi.l.liu@intel.com
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-08-18 12:52:15 -03:00
Yan Zhai
6c77997bc6 selftests/bpf: Add lwt_xmit tests for BPF_REROUTE
There is no lwt test case for BPF_REROUTE yet. Add test cases for both
normal and abnormal situations. The abnormal situation is set up with an
fq qdisc on the reroute target device. Without proper fixes, overflow
this qdisc queue limit (to trigger a drop) would panic the kernel.

Signed-off-by: Yan Zhai <yan@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/62c8ddc1e924269dcf80d2e8af1a1e632cee0b3a.1692326837.git.yan@cloudflare.com
2023-08-18 16:05:27 +02:00
Yan Zhai
43a7c3ef8a selftests/bpf: Add lwt_xmit tests for BPF_REDIRECT
There is no lwt_xmit test case for BPF_REDIRECT yet. Add test cases for
both normal and abnormal situations. For abnormal test cases, devices
are set down or have its carrier set down. Without proper fixes,
BPF_REDIRECT to either ingress or egress of such device would panic the
kernel.

Signed-off-by: Yan Zhai <yan@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/96bf435243641939d9c9da329fab29cb45f7df22.1692326837.git.yan@cloudflare.com
2023-08-18 16:05:26 +02:00
Xu Kuohai
5f6395fd06 selftests/bpf: Enable cpu v4 tests for arm64
Enable CPU v4 instruction tests for arm64. Below are the test results from
BPF test_progs selftests:

  # ./test_progs -t ldsx_insn,verifier_sdiv,verifier_movsx,verifier_ldsx,verifier_gotol,verifier_bswap
  #115/1   ldsx_insn/map_val and probed_memory:OK
  #115/2   ldsx_insn/ctx_member_sign_ext:OK
  #115/3   ldsx_insn/ctx_member_narrow_sign_ext:OK
       ldsx_insn:OK
  #302/1   verifier_bswap/BSWAP, 16:OK
  #302/2   verifier_bswap/BSWAP, 16 @unpriv:OK
  #302/3   verifier_bswap/BSWAP, 32:OK
  #302/4   verifier_bswap/BSWAP, 32 @unpriv:OK
  #302/5   verifier_bswap/BSWAP, 64:OK
  #302/6   verifier_bswap/BSWAP, 64 @unpriv:OK
       verifier_bswap:OK
  #316/1   verifier_gotol/gotol, small_imm:OK
  #316/2   verifier_gotol/gotol, small_imm @unpriv:OK
       verifier_gotol:OK
  #324/1   verifier_ldsx/LDSX, S8:OK
  #324/2   verifier_ldsx/LDSX, S8 @unpriv:OK
  #324/3   verifier_ldsx/LDSX, S16:OK
  #324/4   verifier_ldsx/LDSX, S16 @unpriv:OK
  #324/5   verifier_ldsx/LDSX, S32:OK
  #324/6   verifier_ldsx/LDSX, S32 @unpriv:OK
  #324/7   verifier_ldsx/LDSX, S8 range checking, privileged:OK
  #324/8   verifier_ldsx/LDSX, S16 range checking:OK
  #324/9   verifier_ldsx/LDSX, S16 range checking @unpriv:OK
  #324/10  verifier_ldsx/LDSX, S32 range checking:OK
  #324/11  verifier_ldsx/LDSX, S32 range checking @unpriv:OK
       verifier_ldsx:OK
  #335/1   verifier_movsx/MOV32SX, S8:OK
  #335/2   verifier_movsx/MOV32SX, S8 @unpriv:OK
  #335/3   verifier_movsx/MOV32SX, S16:OK
  #335/4   verifier_movsx/MOV32SX, S16 @unpriv:OK
  #335/5   verifier_movsx/MOV64SX, S8:OK
  #335/6   verifier_movsx/MOV64SX, S8 @unpriv:OK
  #335/7   verifier_movsx/MOV64SX, S16:OK
  #335/8   verifier_movsx/MOV64SX, S16 @unpriv:OK
  #335/9   verifier_movsx/MOV64SX, S32:OK
  #335/10  verifier_movsx/MOV64SX, S32 @unpriv:OK
  #335/11  verifier_movsx/MOV32SX, S8, range_check:OK
  #335/12  verifier_movsx/MOV32SX, S8, range_check @unpriv:OK
  #335/13  verifier_movsx/MOV32SX, S16, range_check:OK
  #335/14  verifier_movsx/MOV32SX, S16, range_check @unpriv:OK
  #335/15  verifier_movsx/MOV32SX, S16, range_check 2:OK
  #335/16  verifier_movsx/MOV32SX, S16, range_check 2 @unpriv:OK
  #335/17  verifier_movsx/MOV64SX, S8, range_check:OK
  #335/18  verifier_movsx/MOV64SX, S8, range_check @unpriv:OK
  #335/19  verifier_movsx/MOV64SX, S16, range_check:OK
  #335/20  verifier_movsx/MOV64SX, S16, range_check @unpriv:OK
  #335/21  verifier_movsx/MOV64SX, S32, range_check:OK
  #335/22  verifier_movsx/MOV64SX, S32, range_check @unpriv:OK
  #335/23  verifier_movsx/MOV64SX, S16, R10 Sign Extension:OK
  #335/24  verifier_movsx/MOV64SX, S16, R10 Sign Extension @unpriv:OK
       verifier_movsx:OK
  #347/1   verifier_sdiv/SDIV32, non-zero imm divisor, check 1:OK
  #347/2   verifier_sdiv/SDIV32, non-zero imm divisor, check 1 @unpriv:OK
  #347/3   verifier_sdiv/SDIV32, non-zero imm divisor, check 2:OK
  #347/4   verifier_sdiv/SDIV32, non-zero imm divisor, check 2 @unpriv:OK
  #347/5   verifier_sdiv/SDIV32, non-zero imm divisor, check 3:OK
  #347/6   verifier_sdiv/SDIV32, non-zero imm divisor, check 3 @unpriv:OK
  #347/7   verifier_sdiv/SDIV32, non-zero imm divisor, check 4:OK
  #347/8   verifier_sdiv/SDIV32, non-zero imm divisor, check 4 @unpriv:OK
  #347/9   verifier_sdiv/SDIV32, non-zero imm divisor, check 5:OK
  #347/10  verifier_sdiv/SDIV32, non-zero imm divisor, check 5 @unpriv:OK
  #347/11  verifier_sdiv/SDIV32, non-zero imm divisor, check 6:OK
  #347/12  verifier_sdiv/SDIV32, non-zero imm divisor, check 6 @unpriv:OK
  #347/13  verifier_sdiv/SDIV32, non-zero imm divisor, check 7:OK
  #347/14  verifier_sdiv/SDIV32, non-zero imm divisor, check 7 @unpriv:OK
  #347/15  verifier_sdiv/SDIV32, non-zero imm divisor, check 8:OK
  #347/16  verifier_sdiv/SDIV32, non-zero imm divisor, check 8 @unpriv:OK
  #347/17  verifier_sdiv/SDIV32, non-zero reg divisor, check 1:OK
  #347/18  verifier_sdiv/SDIV32, non-zero reg divisor, check 1 @unpriv:OK
  #347/19  verifier_sdiv/SDIV32, non-zero reg divisor, check 2:OK
  #347/20  verifier_sdiv/SDIV32, non-zero reg divisor, check 2 @unpriv:OK
  #347/21  verifier_sdiv/SDIV32, non-zero reg divisor, check 3:OK
  #347/22  verifier_sdiv/SDIV32, non-zero reg divisor, check 3 @unpriv:OK
  #347/23  verifier_sdiv/SDIV32, non-zero reg divisor, check 4:OK
  #347/24  verifier_sdiv/SDIV32, non-zero reg divisor, check 4 @unpriv:OK
  #347/25  verifier_sdiv/SDIV32, non-zero reg divisor, check 5:OK
  #347/26  verifier_sdiv/SDIV32, non-zero reg divisor, check 5 @unpriv:OK
  #347/27  verifier_sdiv/SDIV32, non-zero reg divisor, check 6:OK
  #347/28  verifier_sdiv/SDIV32, non-zero reg divisor, check 6 @unpriv:OK
  #347/29  verifier_sdiv/SDIV32, non-zero reg divisor, check 7:OK
  #347/30  verifier_sdiv/SDIV32, non-zero reg divisor, check 7 @unpriv:OK
  #347/31  verifier_sdiv/SDIV32, non-zero reg divisor, check 8:OK
  #347/32  verifier_sdiv/SDIV32, non-zero reg divisor, check 8 @unpriv:OK
  #347/33  verifier_sdiv/SDIV64, non-zero imm divisor, check 1:OK
  #347/34  verifier_sdiv/SDIV64, non-zero imm divisor, check 1 @unpriv:OK
  #347/35  verifier_sdiv/SDIV64, non-zero imm divisor, check 2:OK
  #347/36  verifier_sdiv/SDIV64, non-zero imm divisor, check 2 @unpriv:OK
  #347/37  verifier_sdiv/SDIV64, non-zero imm divisor, check 3:OK
  #347/38  verifier_sdiv/SDIV64, non-zero imm divisor, check 3 @unpriv:OK
  #347/39  verifier_sdiv/SDIV64, non-zero imm divisor, check 4:OK
  #347/40  verifier_sdiv/SDIV64, non-zero imm divisor, check 4 @unpriv:OK
  #347/41  verifier_sdiv/SDIV64, non-zero imm divisor, check 5:OK
  #347/42  verifier_sdiv/SDIV64, non-zero imm divisor, check 5 @unpriv:OK
  #347/43  verifier_sdiv/SDIV64, non-zero imm divisor, check 6:OK
  #347/44  verifier_sdiv/SDIV64, non-zero imm divisor, check 6 @unpriv:OK
  #347/45  verifier_sdiv/SDIV64, non-zero reg divisor, check 1:OK
  #347/46  verifier_sdiv/SDIV64, non-zero reg divisor, check 1 @unpriv:OK
  #347/47  verifier_sdiv/SDIV64, non-zero reg divisor, check 2:OK
  #347/48  verifier_sdiv/SDIV64, non-zero reg divisor, check 2 @unpriv:OK
  #347/49  verifier_sdiv/SDIV64, non-zero reg divisor, check 3:OK
  #347/50  verifier_sdiv/SDIV64, non-zero reg divisor, check 3 @unpriv:OK
  #347/51  verifier_sdiv/SDIV64, non-zero reg divisor, check 4:OK
  #347/52  verifier_sdiv/SDIV64, non-zero reg divisor, check 4 @unpriv:OK
  #347/53  verifier_sdiv/SDIV64, non-zero reg divisor, check 5:OK
  #347/54  verifier_sdiv/SDIV64, non-zero reg divisor, check 5 @unpriv:OK
  #347/55  verifier_sdiv/SDIV64, non-zero reg divisor, check 6:OK
  #347/56  verifier_sdiv/SDIV64, non-zero reg divisor, check 6 @unpriv:OK
  #347/57  verifier_sdiv/SMOD32, non-zero imm divisor, check 1:OK
  #347/58  verifier_sdiv/SMOD32, non-zero imm divisor, check 1 @unpriv:OK
  #347/59  verifier_sdiv/SMOD32, non-zero imm divisor, check 2:OK
  #347/60  verifier_sdiv/SMOD32, non-zero imm divisor, check 2 @unpriv:OK
  #347/61  verifier_sdiv/SMOD32, non-zero imm divisor, check 3:OK
  #347/62  verifier_sdiv/SMOD32, non-zero imm divisor, check 3 @unpriv:OK
  #347/63  verifier_sdiv/SMOD32, non-zero imm divisor, check 4:OK
  #347/64  verifier_sdiv/SMOD32, non-zero imm divisor, check 4 @unpriv:OK
  #347/65  verifier_sdiv/SMOD32, non-zero imm divisor, check 5:OK
  #347/66  verifier_sdiv/SMOD32, non-zero imm divisor, check 5 @unpriv:OK
  #347/67  verifier_sdiv/SMOD32, non-zero imm divisor, check 6:OK
  #347/68  verifier_sdiv/SMOD32, non-zero imm divisor, check 6 @unpriv:OK
  #347/69  verifier_sdiv/SMOD32, non-zero reg divisor, check 1:OK
  #347/70  verifier_sdiv/SMOD32, non-zero reg divisor, check 1 @unpriv:OK
  #347/71  verifier_sdiv/SMOD32, non-zero reg divisor, check 2:OK
  #347/72  verifier_sdiv/SMOD32, non-zero reg divisor, check 2 @unpriv:OK
  #347/73  verifier_sdiv/SMOD32, non-zero reg divisor, check 3:OK
  #347/74  verifier_sdiv/SMOD32, non-zero reg divisor, check 3 @unpriv:OK
  #347/75  verifier_sdiv/SMOD32, non-zero reg divisor, check 4:OK
  #347/76  verifier_sdiv/SMOD32, non-zero reg divisor, check 4 @unpriv:OK
  #347/77  verifier_sdiv/SMOD32, non-zero reg divisor, check 5:OK
  #347/78  verifier_sdiv/SMOD32, non-zero reg divisor, check 5 @unpriv:OK
  #347/79  verifier_sdiv/SMOD32, non-zero reg divisor, check 6:OK
  #347/80  verifier_sdiv/SMOD32, non-zero reg divisor, check 6 @unpriv:OK
  #347/81  verifier_sdiv/SMOD64, non-zero imm divisor, check 1:OK
  #347/82  verifier_sdiv/SMOD64, non-zero imm divisor, check 1 @unpriv:OK
  #347/83  verifier_sdiv/SMOD64, non-zero imm divisor, check 2:OK
  #347/84  verifier_sdiv/SMOD64, non-zero imm divisor, check 2 @unpriv:OK
  #347/85  verifier_sdiv/SMOD64, non-zero imm divisor, check 3:OK
  #347/86  verifier_sdiv/SMOD64, non-zero imm divisor, check 3 @unpriv:OK
  #347/87  verifier_sdiv/SMOD64, non-zero imm divisor, check 4:OK
  #347/88  verifier_sdiv/SMOD64, non-zero imm divisor, check 4 @unpriv:OK
  #347/89  verifier_sdiv/SMOD64, non-zero imm divisor, check 5:OK
  #347/90  verifier_sdiv/SMOD64, non-zero imm divisor, check 5 @unpriv:OK
  #347/91  verifier_sdiv/SMOD64, non-zero imm divisor, check 6:OK
  #347/92  verifier_sdiv/SMOD64, non-zero imm divisor, check 6 @unpriv:OK
  #347/93  verifier_sdiv/SMOD64, non-zero imm divisor, check 7:OK
  #347/94  verifier_sdiv/SMOD64, non-zero imm divisor, check 7 @unpriv:OK
  #347/95  verifier_sdiv/SMOD64, non-zero imm divisor, check 8:OK
  #347/96  verifier_sdiv/SMOD64, non-zero imm divisor, check 8 @unpriv:OK
  #347/97  verifier_sdiv/SMOD64, non-zero reg divisor, check 1:OK
  #347/98  verifier_sdiv/SMOD64, non-zero reg divisor, check 1 @unpriv:OK
  #347/99  verifier_sdiv/SMOD64, non-zero reg divisor, check 2:OK
  #347/100 verifier_sdiv/SMOD64, non-zero reg divisor, check 2 @unpriv:OK
  #347/101 verifier_sdiv/SMOD64, non-zero reg divisor, check 3:OK
  #347/102 verifier_sdiv/SMOD64, non-zero reg divisor, check 3 @unpriv:OK
  #347/103 verifier_sdiv/SMOD64, non-zero reg divisor, check 4:OK
  #347/104 verifier_sdiv/SMOD64, non-zero reg divisor, check 4 @unpriv:OK
  #347/105 verifier_sdiv/SMOD64, non-zero reg divisor, check 5:OK
  #347/106 verifier_sdiv/SMOD64, non-zero reg divisor, check 5 @unpriv:OK
  #347/107 verifier_sdiv/SMOD64, non-zero reg divisor, check 6:OK
  #347/108 verifier_sdiv/SMOD64, non-zero reg divisor, check 6 @unpriv:OK
  #347/109 verifier_sdiv/SMOD64, non-zero reg divisor, check 7:OK
  #347/110 verifier_sdiv/SMOD64, non-zero reg divisor, check 7 @unpriv:OK
  #347/111 verifier_sdiv/SMOD64, non-zero reg divisor, check 8:OK
  #347/112 verifier_sdiv/SMOD64, non-zero reg divisor, check 8 @unpriv:OK
  #347/113 verifier_sdiv/SDIV32, zero divisor:OK
  #347/114 verifier_sdiv/SDIV32, zero divisor @unpriv:OK
  #347/115 verifier_sdiv/SDIV64, zero divisor:OK
  #347/116 verifier_sdiv/SDIV64, zero divisor @unpriv:OK
  #347/117 verifier_sdiv/SMOD32, zero divisor:OK
  #347/118 verifier_sdiv/SMOD32, zero divisor @unpriv:OK
  #347/119 verifier_sdiv/SMOD64, zero divisor:OK
  #347/120 verifier_sdiv/SMOD64, zero divisor @unpriv:OK
       verifier_sdiv:OK
  Summary: 6/166 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Florent Revest <revest@chromium.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Florent Revest <revest@chromium.org>
Link: https://lore.kernel.org/bpf/20230815154158.717901-8-xukuohai@huaweicloud.com
2023-08-18 15:46:42 +02:00
Nathan Lynch
701ca3657d selftests/powerpc: add const qualification where possible
Various char * parameters in the common powerpc selftest APIs can be
const.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230817-powerpc-selftest-misc-v1-2-a84cc1ef78b2@linux.ibm.com
2023-08-18 17:03:15 +10:00
Nathan Lynch
ae3a8cc292 powerpc/selftests: sort mm/.gitignore, add exec_prot
Add exec_prot to to mm/.gitignore and sort the result.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230817-powerpc-selftest-misc-v1-1-a84cc1ef78b2@linux.ibm.com
2023-08-18 17:03:15 +10:00
Linus Torvalds
0e8860d212 Including fixes from ipsec and netfilter.
No known outstanding regressions.
 
 Fixes to fixes:
 
  - virtio-net: set queues after driver_ok, avoid a potential race
    added by recent fix
 
  - Revert "vlan: Fix VLAN 0 memory leak", it may lead to a warning
    when VLAN 0 is registered explicitly
 
  - nf_tables:
    - fix false-positive lockdep splat in recent fixes
    - don't fail inserts if duplicate has expired (fix test failures)
    - fix races between garbage collection and netns dismantle
 
 Current release - new code bugs:
 
  - mlx5: Fix mlx5_cmd_update_root_ft() error flow
 
 Previous releases - regressions:
 
  - phy: fix IRQ-based wake-on-lan over hibernate / power off
 
 Previous releases - always broken:
 
  - sock: fix misuse of sk_under_memory_pressure() preventing system
    from exiting global TCP memory pressure if a single cgroup is under
    pressure
 
  - fix the RTO timer retransmitting skb every 1ms if linear option
    is enabled
 
  - af_key: fix sadb_x_filter validation, amment netlink policy
 
  - ipsec: fix slab-use-after-free in decode_session6()
 
  - macb: in ZynqMP resume always configure PS GTR for non-wakeup source
 
 Misc:
 
  - netfilter: set default timeout to 3 secs for sctp shutdown send and
    recv state (from 300ms), align with protocol timers
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from ipsec and netfilter.

  No known outstanding regressions.

  Fixes to fixes:

   - virtio-net: set queues after driver_ok, avoid a potential race
     added by recent fix

   - Revert "vlan: Fix VLAN 0 memory leak", it may lead to a warning
     when VLAN 0 is registered explicitly

   - nf_tables:
      - fix false-positive lockdep splat in recent fixes
      - don't fail inserts if duplicate has expired (fix test failures)
      - fix races between garbage collection and netns dismantle

  Current release - new code bugs:

   - mlx5: Fix mlx5_cmd_update_root_ft() error flow

  Previous releases - regressions:

   - phy: fix IRQ-based wake-on-lan over hibernate / power off

  Previous releases - always broken:

   - sock: fix misuse of sk_under_memory_pressure() preventing system
     from exiting global TCP memory pressure if a single cgroup is under
     pressure

   - fix the RTO timer retransmitting skb every 1ms if linear option is
     enabled

   - af_key: fix sadb_x_filter validation, amment netlink policy

   - ipsec: fix slab-use-after-free in decode_session6()

   - macb: in ZynqMP resume always configure PS GTR for non-wakeup
     source

  Misc:

   - netfilter: set default timeout to 3 secs for sctp shutdown send and
     recv state (from 300ms), align with protocol timers"

* tag 'net-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (49 commits)
  ice: Block switchdev mode when ADQ is active and vice versa
  qede: fix firmware halt over suspend and resume
  net: do not allow gso_size to be set to GSO_BY_FRAGS
  sock: Fix misuse of sk_under_memory_pressure()
  sfc: don't fail probe if MAE/TC setup fails
  sfc: don't unregister flow_indr if it was never registered
  net: dsa: mv88e6xxx: Wait for EEPROM done before HW reset
  net/mlx5: Fix mlx5_cmd_update_root_ft() error flow
  net/mlx5e: XDP, Fix fifo overrun on XDP_REDIRECT
  i40e: fix misleading debug logs
  iavf: fix FDIR rule fields masks validation
  ipv6: fix indentation of a config attribute
  mailmap: add entries for Simon Horman
  broadcom: b44: Use b44_writephy() return value
  net: openvswitch: reject negative ifindex
  team: Fix incorrect deletion of ETH_P_8021AD protocol vid from slaves
  net: phy: broadcom: stub c45 read/write for 54810
  netfilter: nft_dynset: disallow object maps
  netfilter: nf_tables: GC transaction race with netns dismantle
  netfilter: nf_tables: fix GC transaction races with netns and netlink event exit path
  ...
2023-08-18 06:52:23 +02:00
Jinrong Liang
740d087e7f KVM: selftests: Test gp event filters don't affect fixed event filters
Add a test to ensure that setting both generic and fixed performance
event filters does not affect the consistency of the fixed event filter
behavior in KVM.

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Link: https://lore.kernel.org/r/20230810090945.16053-7-cloudliang@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2023-08-17 13:23:31 -07:00
Jinrong Liang
d4e3616682 KVM: selftests: Test if event filter meets expectations on fixed counters
Add tests to cover that pmu event_filter works as expected when it's
applied to fixed performance counters, even if there is none fixed
counter exists (e.g. Intel guest pmu version=1 or AMD guest).

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
Link: https://lore.kernel.org/r/20230810090945.16053-6-cloudliang@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2023-08-17 13:23:09 -07:00
Jinrong Liang
86ab6af8b9 KVM: selftests: Add test cases for unsupported PMU event filter input values
Add test cases to verify the handling of unsupported input values for the
PMU event filter. The tests cover unsupported "action" values, unsupported
"flags" values, and unsupported "nevents" values. All these cases should
return an error, as they are currently not supported by the filter.
Furthermore, the tests also cover the case where setting non-existent
fixed counters in the fixed bitmap does not fail.

Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Reviewed-by: Isaku Yamahata <isaku.yamahata@intel.com>
Link: https://lore.kernel.org/r/20230810090945.16053-5-cloudliang@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2023-08-17 13:22:57 -07:00
Jinrong Liang
de527b1daf KVM: selftests: Introduce "struct __kvm_pmu_event_filter" to manipulate filter
Add custom "__kvm_pmu_event_filter" structure to improve pmu event
filter settings. Simplifies event filter setup by organizing event
filter parameters in a cleaner, more organized way.

Alternatively, selftests could use a struct overlay ala vcpu_set_msr()
to avoid dynamically allocating the array:

        struct {
                struct kvm_msrs header;
                struct kvm_msr_entry entry;
        } buffer = {};

        memset(&buffer, 0, sizeof(buffer));
        buffer.header.nmsrs = 1;
        buffer.entry.index = msr_index;
        buffer.entry.data = msr_value;

but the extra layer added by the nested structs is counterproductive
to writing efficient, clean code.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Link: https://lore.kernel.org/r/20230810090945.16053-4-cloudliang@tencent.com
[sean: massage changelog to explain alternative]
Signed-off-by: Sean Christopherson <seanjc@google.com>
2023-08-17 13:22:17 -07:00
Jinrong Liang
c853be2265 KVM: selftests: Drop the return of remove_event()
None of the callers consume remove_event(), and it incorrectly implies
that the incoming filter isn't modified. Drop the return.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Link: https://lore.kernel.org/r/20230810090945.16053-3-cloudliang@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2023-08-17 12:58:49 -07:00
Jinrong Liang
cf6d80c0eb KVM: selftests: Add x86 properties for Intel PMU in processor.h
Add x86 properties for Intel PMU so that tests don't have to manually
retrieve the correct CPUID leaf+register, and so that the resulting code
is self-documenting.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Jinrong Liang <cloudliang@tencent.com>
Link: https://lore.kernel.org/r/20230810090945.16053-2-cloudliang@tencent.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
2023-08-17 12:58:49 -07:00
Jakub Kicinski
f54a2a132a bpf-next-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2023-08-16

We've added 17 non-merge commits during the last 6 day(s) which contain
a total of 20 files changed, 1179 insertions(+), 37 deletions(-).

The main changes are:

1) Add a BPF hook in sys_socket() to change the protocol ID
   from IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy
   applications, from Geliang Tang.

2) Follow-up/fallout fix from the SO_REUSEPORT + bpf_sk_assign work
   to fix a splat on non-fullsock sks in inet[6]_steal_sock,
   from Lorenz Bauer.

3) Improvements to struct_ops links to avoid forcing presence of
   update/validate callbacks. Also add bpf_struct_ops fields documentation,
   from David Vernet.

4) Ensure libbpf sets close-on-exec flag on gzopen, from Marco Vedovati.

5) Several new tcx selftest additions and bpftool link show support for
   tcx and xdp links, from Daniel Borkmann.

6) Fix a smatch warning on uninitialized symbol in
   bpf_perf_link_fill_kprobe, from Yafang Shao.

7) BPF selftest fixes e.g. misplaced break in kfunc_call test,
   from Yipeng Zou.

8) Small cleanup to remove unused declaration bpf_link_new_file,
   from Yue Haibing.

9) Small typo fix to bpftool's perf help message, from Daniel T. Lee.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next:
  selftests/bpf: Add mptcpify test
  selftests/bpf: Fix error checks of mptcp open_and_load
  selftests/bpf: Add two mptcp netns helpers
  bpf: Add update_socket_protocol hook
  bpftool: Implement link show support for xdp
  bpftool: Implement link show support for tcx
  selftests/bpf: Add selftest for fill_link_info
  bpf: Fix uninitialized symbol in bpf_perf_link_fill_kprobe()
  net: Fix slab-out-of-bounds in inet[6]_steal_sock
  bpf: Document struct bpf_struct_ops fields
  bpf: Support default .validate() and .update() behavior for struct_ops links
  selftests/bpf: Add various more tcx test cases
  selftests/bpf: Clean up fmod_ret in bench_rename test script
  selftests/bpf: Fix repeat option when kfunc_call verification fails
  libbpf: Set close-on-exec flag on gzopen
  bpftool: fix perf help message
  bpf: Remove unused declaration bpf_link_new_file()
====================

Link: https://lore.kernel.org/r/20230816212840.1539-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-16 20:09:43 -07:00
Paul E. McKenney
fe24a0b632 Merge branches 'doc.2023.07.14b', 'fixes.2023.08.16a', 'rcu-tasks.2023.07.24a', 'rcuscale.2023.07.14b', 'refscale.2023.07.14b', 'torture.2023.08.14a' and 'torturescripts.2023.07.20a' into HEAD
doc.2023.07.14b:  Documentation updates.
fixes.2023.08.16a:  Miscellaneous fixes.
rcu-tasks.2023.07.24a:  RCU Tasks updates.
rcuscale.2023.07.14b:  RCU (updater) scalability test updates.
refscale.2023.07.14b:  Reference (reader) scalability test updates.
torture.2023.08.14a:  Other torture-test updates.
torturescripts.2023.07.20a:  Other torture-test scripting updates.
2023-08-16 14:31:08 -07:00
Zheng Yejian
5450be6bef selftests/ftrace: Add a basic testcase for snapshot
This testcase is constrived to reproduce a problem that the cpu buffers
become unavailable which is due to 'record_disabled' of array_buffer and
max_buffer being messed up.

Local test result after bugfix:
  # ./ftracetest test.d/00basic/snapshot1.tc
  === Ftrace unit tests ===
  [1] Snapshot and tracing_cpumask        [PASS]
  [2] (instance)  Snapshot and tracing_cpumask    [PASS]

  # of passed:  2
  # of failed:  0
  # of unresolved:  0
  # of untested:  0
  # of unsupported:  0
  # of xfailed:  0
  # of undefined(test bug):  0

Link: https://lkml.kernel.org/r/20230805033816.3284594-3-zhengyejian1@huawei.com

Cc: <mhiramat@kernel.org>
Cc: <vnagarnaik@google.com>
Cc: <shuah@kernel.org>
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-08-16 15:13:40 -04:00
Geliang Tang
ddba122428 selftests/bpf: Add mptcpify test
Implement a new test program mptcpify: if the family is AF_INET or
AF_INET6, the type is SOCK_STREAM, and the protocol ID is 0 or
IPPROTO_TCP, set it to IPPROTO_MPTCP. It will be hooked in
update_socket_protocol().

Extend the MPTCP test base, add a selftest test_mptcpify() for the
mptcpify case. Open and load the mptcpify test prog to mptcpify the
TCP sockets dynamically, then use start_server() and connect_to_fd()
to create a TCP socket, but actually what's created is an MPTCP
socket, which can be verified through 'getsockopt(SOL_PROTOCOL)'
and 'getsockopt(MPTCP_INFO)'.

Acked-by: Yonghong Song <yonghong.song@linux.dev>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Link: https://lore.kernel.org/r/364e72f307e7bb38382ec7442c182d76298a9c41.1692147782.git.geliang.tang@suse.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-08-16 11:42:33 -07:00
Geliang Tang
2077465502 selftests/bpf: Fix error checks of mptcp open_and_load
Return libbpf_get_error(), instead of -EIO, for the error from
mptcp_sock__open_and_load().

Load success means prog_fd and map_fd are always valid. So drop these
unneeded ASSERT_GE checks for them in mptcp run_test().

Acked-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Link: https://lore.kernel.org/r/db5fcb93293df9ab173edcbaf8252465b80da6f2.1692147782.git.geliang.tang@suse.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-08-16 10:22:16 -07:00
Geliang Tang
97c9c65208 selftests/bpf: Add two mptcp netns helpers
Add two netns helpers for mptcp tests: create_netns() and
cleanup_netns(). Use them in test_base().

These new helpers will be re-used in the following commits
introducing new tests.

Acked-by: Yonghong Song <yonghong.song@linux.dev>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Link: https://lore.kernel.org/r/7506371fb6c417b401cc9d7365fe455754f4ba3f.1692147782.git.geliang.tang@suse.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-08-16 10:22:16 -07:00
Andre Przywara
9b1db73286 selftests: cachestat: use proper syscall number macro
At the moment the cachestat syscall number is hard coded into the test
source code.
Remove that and replace it with the proper __NR_cachestat macro.
That ensures compatibility should other architectures pick a different
number.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 11:12:44 -06:00
Andre Przywara
7fb10233e0 selftests: cachestat: properly link in librt
Libraries should be listed last on the compiler's command line, so that
the linker can look for and find still unresolved symbols. The librt
library, required for the shm_* functions, was announced using CFLAGS,
which puts the library *before* the source files, and fails compilation
on my system:
======================
gcc -isystem /src/linux-selftests/usr/include -Wall -lrt test_cachestat.c
  -o /src/linux-selftests/kselftest/cachestat/test_cachestat
/usr/bin/ld: /tmp/cceQWO3u.o: in function `test_cachestat_shmem':
test_cachestat.c:(.text+0x890): undefined reference to `shm_open'
/usr/bin/ld: test_cachestat.c:(.text+0x99c): undefined reference to `shm_unlink'
collect2: error: ld returned 1 exit status
make[4]: *** [../lib.mk:181: /src/linux-selftests/kselftest/cachestat/test_cachestat] Error 1
======================

Announce the library using the LDLIBS variable, which ensures the proper
ordering on the command line.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 11:12:39 -06:00
Nysal Jan K.A
fbf4dec702 selftests/futex: Order calls to futex_lock_pi
Observed occassional failures in the futex_wait_timeout test:

ok 1 futex_wait relative succeeds
ok 2 futex_wait_bitset realtime succeeds
ok 3 futex_wait_bitset monotonic succeeds
ok 4 futex_wait_requeue_pi realtime succeeds
ok 5 futex_wait_requeue_pi monotonic succeeds
not ok 6 futex_lock_pi realtime returned 0
......

The test expects the child thread to complete some steps before
the parent thread gets to run. There is an implicit expectation
of the order of invocation of futex_lock_pi between the child thread
and the parent thread. Make this order explicit. If the order is
not met, the futex_lock_pi call in the parent thread succeeds and
will not timeout.

Fixes: f4addd54b161 ("selftests: futex: Expand timeout test")
Signed-off-by: Nysal Jan K.A <nysal@linux.ibm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 10:48:10 -06:00
Mark Brown
888c72d581 selftests: Hook more tests into the build infrastructure
We have some dmabuf-heaps and perf_events tests but they are not hooked
up to the kselftest build infrastructure which is a bit of an obstacle
to running them in systems with generic infrastructure for selftests.
Add them to the top level kselftest Makefile so they get built as
standard.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 10:35:35 -06:00
Mark Brown
68b4d2d583 selftests/user_events: Reenable build
The user_events selftests were removed from the standard set of
selftests due to the uapi header it relies on having been temporarily
removed.  That header is now reinstated so we can reenable the tests.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 10:29:57 -06:00
Hui Min Mina Chou
1e9519b6fb selftests/filesystems: Add six consecutive 'x' characters to mktemp
In busybox, the mktemp requires that the generated filename be
suffixed with at least six consecutive 'X' characters. Otherwise,
it will return an "Invalid argument" error.

Signed-off-by: Hui Min Mina Chou <minachou@andestech.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-16 10:10:39 -06:00
Yafang Shao
23cf7aa539 selftests/bpf: Add selftest for fill_link_info
Add selftest for the fill_link_info of uprobe, kprobe and tracepoint.
The result:

  $ tools/testing/selftests/bpf/test_progs --name=fill_link_info
  #79/1    fill_link_info/kprobe_link_info:OK
  #79/2    fill_link_info/kretprobe_link_info:OK
  #79/3    fill_link_info/kprobe_invalid_ubuff:OK
  #79/4    fill_link_info/tracepoint_link_info:OK
  #79/5    fill_link_info/uprobe_link_info:OK
  #79/6    fill_link_info/uretprobe_link_info:OK
  #79/7    fill_link_info/kprobe_multi_link_info:OK
  #79/8    fill_link_info/kretprobe_multi_link_info:OK
  #79/9    fill_link_info/kprobe_multi_invalid_ubuff:OK
        fill_link_info:OK
  Summary: 1/9 PASSED, 0 SKIPPED, 0 FAILED

The test case for kprobe_multi won't be run on aarch64, as it is not
supported.

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20230813141900.1268-3-laoar.shao@gmail.com
2023-08-16 16:44:28 +02:00
Zeng Heng
fcb0b51a5d kselftest/arm64: add jscvt feature to hwcap test
Add the jscvt feature check in the set of hwcap tests.

Due to the requirement of jscvt feature, a compiler configuration
of v8.3 or above is needed to support assembly. Therefore, hand
encode is used here instead.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815040915.3966955-5-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-16 15:24:01 +01:00
Zeng Heng
2c3ce0e7dd kselftest/arm64: add pmull feature to hwcap test
Add the pmull feature check in the set of hwcap tests.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815040915.3966955-4-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-16 15:24:01 +01:00
Zeng Heng
3fc3c0d124 kselftest/arm64: add AES feature check to hwcap test
Add the AES feature check in the set of hwcap tests.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815040915.3966955-3-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-16 15:24:01 +01:00
Zeng Heng
7eb4ee6673 kselftest/arm64: add SHA1 and related features to hwcap test
Add the SHA1 and related features check in the set of hwcap tests.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815040915.3966955-2-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-16 15:24:01 +01:00
Benjamin Gray
58709f6fc3 selftests/powerpc/ptrace: Update ptrace-perf watchpoint selftest
Now that ptrace and perf are no longer exclusive, update the
test to exercise interesting interactions.

An assembly file is used for the children to allow precise instruction
choice and addresses, while avoiding any compiler quirks.

Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230801011744.153973-7-bgray@linux.ibm.com
2023-08-16 23:54:50 +10:00
Masahiro Yamada
3932618287 powerpc: replace #include <asm/export.h> with #include <linux/export.h>
Commit ddb5cdbafaaa ("kbuild: generate KSYMTAB entries by modpost")
deprecated <asm/export.h>, which is now a wrapper of <linux/export.h>.

Replace #include <asm/export.h> with #include <linux/export.h>.

After all the <asm/export.h> lines are converted, <asm/export.h> and
<asm-generic/export.h> will be removed.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
[mpe: Fixup selftests that stub asm/export.h]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230806150954.394189-2-masahiroy@kernel.org
2023-08-16 23:54:48 +10:00
Andre Przywara
e08302ee46 kselftest/arm64: build BTI tests in output directory
The arm64 BTI selftests are currently built in the source directory,
then the generated binaries are copied to the output directory.
This leaves the object files around in a potentially otherwise pristine
source tree, tainting it for out-of-tree kernel builds.

Prepend $(OUTPUT) to every reference to an object file in the Makefile,
and remove the extra handling and copying. This puts all generated files
under the output directory.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230815145931.2522557-1-andre.przywara@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-16 14:43:47 +01:00
Ding Xiang
46862da15e kselftest/arm64: fix a memleak in zt_regs_run()
If memcmp() does not return 0, "zeros" need to be freed to prevent memleak

Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20230815074915.245528-1-dingxiang@cmss.chinamobile.com
Signed-off-by: Will Deacon <will@kernel.org>
2023-08-16 14:17:06 +01:00
Kui-Feng Lee
a63e10da42 selftests: fib_tests: Add a test case for IPv6 garbage collection
Add 1000 IPv6 routes with expiration time (w/ and w/o additional 5000
permanet routes in the background.)  Wait for a few seconds to make sure
they are removed correctly.

The expected output of the test looks like the following example.

> Fib6 garbage collection test
>     TEST: ipv6 route garbage collection [ OK ]

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-16 12:26:43 +01:00
Zhengchao Shao
e56e220d73 selftests: bonding: remove redundant delete action of device link1_1
When run command "ip netns delete client", device link1_1 has been
deleted. So, it is no need to delete link1_1 again. Remove it.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-16 07:07:16 +01:00
Paolo Lungaroni
1c53717c80 selftests: seg6: add selftest for NEXT-C-SID flavor in SRv6 End.X behavior
This selftest is designed for testing the support of NEXT-C-SID flavor
for SRv6 End.X behavior. It instantiates a virtual network composed of
several nodes: hosts and SRv6 routers. Each node is realized using a
network namespace that is properly interconnected to others through veth
pairs, according to the topology depicted in the selftest script file.
The test considers SRv6 routers implementing IPv4/IPv6 L3 VPNs leveraged
by hosts for communicating with each other. Such routers i) apply
different SRv6 Policies to the traffic received from connected hosts,
considering the IPv4 or IPv6 protocols; ii) use the NEXT-C-SID
compression mechanism for encoding several SRv6 segments within a single
128-bit SID address, referred to as a Compressed SID (C-SID) container.

The NEXT-C-SID is provided as a "flavor" of the SRv6 End.X behavior,
enabling it to properly process the C-SID containers. The correct
execution of the enabled NEXT-C-SID SRv6 End.X behavior is verified
through reachability tests carried out between hosts belonging to the
same VPN.

Signed-off-by: Paolo Lungaroni <paolo.lungaroni@uniroma2.it>
Co-developed-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Signed-off-by: Andrea Mayer <andrea.mayer@uniroma2.it>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20230812180926.16689-3-andrea.mayer@uniroma2.it
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-15 18:51:47 -07:00
Jason Gunthorpe
a35762dd14 Linux 6.5-rc6
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Merge tag 'v6.5-rc6' into iommufd for-next

Required for following patches.

Resolve merge conflict by using the hunk from the for-next branch and
shifting the iommufd_object_deref_user() into iommufd_hw_pagetable_put()

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2023-08-15 10:01:26 -03:00
Daniel Borkmann
ccd9a8be2e selftests/bpf: Add various more tcx test cases
Add several new tcx test cases to improve test coverage. This also includes
a few new tests with ingress instead of clsact qdisc, to cover the fix from
commit dc644b540a2d ("tcx: Fix splat in ingress_destroy upon tcx_entry_free").

  # ./test_progs -t tc
  [...]
       tc_links_after:OK
       tc_links_append:OK
       tc_links_basic:OK
       tc_links_before:OK
       tc_links_chain_classic:OK
       tc_links_chain_mixed:OK
       tc_links_dev_cleanup:OK
       tc_links_dev_mixed:OK
       tc_links_ingress:OK
       tc_links_invalid:OK
       tc_links_prepend:OK
       tc_links_replace:OK
       tc_links_revision:OK
       tc_opts_after:OK
       tc_opts_append:OK
       tc_opts_basic:OK
       tc_opts_before:OK
       tc_opts_chain_classic:OK
       tc_opts_chain_mixed:OK
       tc_opts_delete_empty:OK
       tc_opts_demixed:OK
       tc_opts_detach:OK
       tc_opts_detach_after:OK
       tc_opts_detach_before:OK
       tc_opts_dev_cleanup:OK
       tc_opts_invalid:OK
       tc_opts_mixed:OK
       tc_opts_prepend:OK
       tc_opts_replace:OK
       tc_opts_revision:OK
  [...]
  Summary: 44/38 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/8699efc284b75ccdc51ddf7062fa2370330dc6c0.1692029283.git.daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-08-14 21:54:59 -07:00
Yipeng Zou
83a89c4b6a selftests/bpf: Clean up fmod_ret in bench_rename test script
Running the bench_rename test script, the following error occurs:

  # ./benchs/run_bench_rename.sh
  base      :    0.819 ± 0.012M/s
  kprobe    :    0.538 ± 0.009M/s
  kretprobe :    0.503 ± 0.004M/s
  rawtp     :    0.779 ± 0.020M/s
  fentry    :    0.726 ± 0.007M/s
  fexit     :    0.691 ± 0.007M/s
  benchmark 'rename-fmodret' not found

The bench_rename_fmodret has been removed in commit b000def2e052
("selftests: Remove fmod_ret from test_overhead"), thus remove it
from the runners in the test script.

Fixes: b000def2e052 ("selftests: Remove fmod_ret from test_overhead")
Signed-off-by: Yipeng Zou <zouyipeng@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230814030727.3010390-1-zouyipeng@huawei.com
2023-08-14 18:43:04 +02:00
Yipeng Zou
811915db67 selftests/bpf: Fix repeat option when kfunc_call verification fails
There is no way where topts.repeat can be set to 1 when tc_test fails.
Fix the typo where the break statement slipped by one line.

Fixes: fb66223a244f ("selftests/bpf: add test for accessing ctx from syscall program type")
Signed-off-by: Yipeng Zou <zouyipeng@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/bpf/20230814031434.3077944-1-zouyipeng@huawei.com
2023-08-14 18:03:00 +02:00
Petr Machata
855067defa selftests: mirror_gre_changes: Tighten up the TTL test match
This test verifies whether the encapsulated packets have the correct
configured TTL. It does so by sending ICMP packets through the test
topology and mirroring them to a gretap netdevice. On a busy host
however, more than just the test ICMP packets may end up flowing
through the topology, get mirrored, and counted. This leads to
potential spurious failures as the test observes much more mirrored
packets than the sent test packets, and assumes a bug.

Fix this by tightening up the mirror action match. Change it from
matchall to a flower classifier matching on ICMP packets specifically.

Fixes: 45315673e0c5 ("selftests: forwarding: Test changes in mirror-to-gretap")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-14 11:14:24 +01:00
Ido Schimmel
38c43a1ce7 selftests: forwarding: Add test case for traffic redirection from a locked port
Check that traffic can be redirected from a locked bridge port and that
it does not create locked FDB entries.

Cc: Hans J. Schultz <netdev@kapio-technology.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-14 08:11:14 +01:00