diff options
author | Andrii Nakryiko <andrii@kernel.org> | 2023-04-06 16:41:53 -0700 |
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committer | Daniel Borkmann <daniel@iogearbox.net> | 2023-04-11 18:05:43 +0200 |
commit | 24bc80887adb4d6fc0057d4f14fabeaa4502b2a0 (patch) | |
tree | 3358cbc36e0e53f8512f00586215f715f0ed763a /kernel/bpf/syscall.c | |
parent | b1a7a480a1120d4f70305f5e8859f527e0efe4a5 (diff) |
bpf: Ignore verifier log reset in BPF_LOG_KERNEL mode
Verifier log position reset is meaningless in BPF_LOG_KERNEL mode, so
just exit early in bpf_vlog_reset() if log->level is BPF_LOG_KERNEL.
This avoid meaningless put_user() into NULL log->ubuf.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Lorenz Bauer <lmb@isovalent.com>
Link: https://lore.kernel.org/bpf/20230406234205.323208-8-andrii@kernel.org
Diffstat (limited to 'kernel/bpf/syscall.c')
0 files changed, 0 insertions, 0 deletions