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| author |   Andrii Nakryiko <andrii@kernel.org> | 2023-12-02 09:57:05 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2023-12-02 11:36:51 -0800 |
| commit | 81eff2e36481c5cf4a2ac906ae56c3fbd3e6f305 (patch) | |
| tree | e236cae5c30d8c1f05346f4eb167109a433a1db6 /tools/testing/selftests/bpf/progs/verifier_stack_ptr.c | |
| parent | selftests/bpf: adjust global_func15 test to validate prog exit precision (diff) | |
| download | wireguard-linux-81eff2e36481c5cf4a2ac906ae56c3fbd3e6f305.tar.xz wireguard-linux-81eff2e36481c5cf4a2ac906ae56c3fbd3e6f305.zip | |
bpf: simplify tnum output if a fully known constant
Emit tnum representation as just a constant if all bits are known.
Use decimal-vs-hex logic to determine exact format of emitted
constant value, just like it's done for register range values.
For that move tnum_strn() to kernel/bpf/log.c to reuse decimal-vs-hex
determination logic and constants.
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20231202175705.885270-12-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/verifier_stack_ptr.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/verifier_stack_ptr.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/progs/verifier_stack_ptr.c b/tools/testing/selftests/bpf/progs/verifier_stack_ptr.c index e0f77e3e7869..417c61cd4b19 100644 --- a/tools/testing/selftests/bpf/progs/verifier_stack_ptr.c +++ b/tools/testing/selftests/bpf/progs/verifier_stack_ptr.c @@ -37,7 +37,7 @@ __naked void ptr_to_stack_store_load(void) SEC("socket") __description("PTR_TO_STACK store/load - bad alignment on off") -__failure __msg("misaligned stack access off (0x0; 0x0)+-8+2 size 8") +__failure __msg("misaligned stack access off 0+-8+2 size 8") __failure_unpriv __naked void load_bad_alignment_on_off(void) { @@ -53,7 +53,7 @@ __naked void load_bad_alignment_on_off(void) SEC("socket") __description("PTR_TO_STACK store/load - bad alignment on reg") -__failure __msg("misaligned stack access off (0x0; 0x0)+-10+8 size 8") +__failure __msg("misaligned stack access off 0+-10+8 size 8") __failure_unpriv __naked void load_bad_alignment_on_reg(void) { |