Commit Graph

2 Commits

Author SHA1 Message Date
Ilya Leoshkevich
4fc49b51ab selftests/bpf: Fix an endianness issue in bpf_syscall_macro test
bpf_syscall_macro reads a long argument into an int variable, which
produces a wrong value on big-endian systems. Fix by reading the
argument into an intermediate long variable first.

Fixes: 77fc0330df ("selftests/bpf: Add a test to confirm PT_REGS_PARM4_SYSCALL")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220209021745.2215452-2-iii@linux.ibm.com
2022-02-08 21:16:14 -08:00
Kenta Tada
77fc0330df selftests/bpf: Add a test to confirm PT_REGS_PARM4_SYSCALL
Add a selftest to verify the behavior of PT_REGS_xxx
and the CORE variant.

Signed-off-by: Kenta Tada <Kenta.Tada@sony.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220124141622.4378-4-Kenta.Tada@sony.com
2022-01-24 21:04:10 -08:00