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| author | Hou Tao <houtao1@huawei.com> | 2023-02-15 16:21:32 +0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-02-15 15:40:06 -0800 |
| commit | f88da2d46cc9a19b0c233285339659cae36c5d9a (patch) | |
| tree | c36bec94b00c337da6266687758715ec9eaa0f92 /tools/testing/selftests/bpf/prog_tests/recursion.c | |
| parent | 997849c4b969034e225153f41026657def66d286 (diff) | |
| download | linux-f88da2d46cc9a19b0c233285339659cae36c5d9a.tar.gz linux-f88da2d46cc9a19b0c233285339659cae36c5d9a.tar.bz2 linux-f88da2d46cc9a19b0c233285339659cae36c5d9a.zip | |
selftests/bpf: Add test case for element reuse in htab map
The reinitialization of spin-lock in map value after immediate reuse may
corrupt lookup with BPF_F_LOCK flag and result in hard lock-up, so add
one test case to demonstrate the problem.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20230215082132.3856544-3-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/recursion.c')
0 files changed, 0 insertions, 0 deletions