History log of /linux-6.15/tools/testing/selftests/bpf/prog_tests/recursive_attach.c (Results 1 – 2 of 2)
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# e02feb3f 03-Jan-2024 Dmitrii Dolgov <[email protected]>

selftests/bpf: Test re-attachment fix for bpf_tracing_prog_attach

Add a test case to verify the fix for "prog->aux->dst_trampoline and
tgt_prog is NULL" branch in bpf_tracing_prog_attach. The sequen

selftests/bpf: Test re-attachment fix for bpf_tracing_prog_attach

Add a test case to verify the fix for "prog->aux->dst_trampoline and
tgt_prog is NULL" branch in bpf_tracing_prog_attach. The sequence of
events:

1. load rawtp program
2. load fentry program with rawtp as target_fd
3. create tracing link for fentry program with target_fd = 0
4. repeat 3

Acked-by: Jiri Olsa <[email protected]>
Acked-by: Song Liu <[email protected]>
Signed-off-by: Dmitrii Dolgov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>

show more ...


# 5c5371e0 03-Jan-2024 Dmitrii Dolgov <[email protected]>

selftests/bpf: Add test for recursive attachment of tracing progs

Verify the fact that only one fentry prog could be attached to another
fentry, building up an attachment chain of limited size. Use

selftests/bpf: Add test for recursive attachment of tracing progs

Verify the fact that only one fentry prog could be attached to another
fentry, building up an attachment chain of limited size. Use existing
bpf_testmod as a start of the chain.

Acked-by: Jiri Olsa <[email protected]>
Acked-by: Song Liu <[email protected]>
Signed-off-by: Dmitrii Dolgov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>

show more ...