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The original implementation added a hack to check_mem_access()
to prevent programs from writing into insn arrays. To get rid
of this hack, enforce BPF_F_RDONLY_PROG on map creation.
Also fix the corresponding selftest, as the error message changes
with this patch.
Suggested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Link: https://lore.kernel.org/r/20251128063224.1305482-2-a.s.protopopov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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arm64 JIT now supports gotox instruction and jumptables, so run tests in
verifier_gotox.c for arm64.
Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Reviewed-by: Anton Protopopov <a.s.protopopov@gmail.com>
Link: https://lore.kernel.org/r/20251117130732.11107-4-puranjay@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add a set of tests to validate core gotox functionality
without need to rely on compilers.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Link: https://lore.kernel.org/r/20251105090410.1250500-12-a.s.protopopov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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