Re: [PATCH net-next] test: bpf: extend "load 64-bit immediate" testcase

From: Daniel Borkmann
Date: Sat May 09 2015 - 17:12:32 EST

On 05/09/2015 10:14 AM, Xi Wang wrote:
Extend the testcase to catch a signedness bug in the arm64 JIT:

test_bpf: #58 load 64-bit immediate jited:1 ret -1 != 1 FAIL (1 times)

This is useful to ensure other JITs won't have a similar bug.

Cc: Alexei Starovoitov <ast@xxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Xi Wang <>

Acked-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at