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| author | Andrii Nakryiko <andriin@fb.com> | 2020-08-11 19:29:23 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-08-12 18:00:49 -0700 |
| commit | 068d9d1eba72423e99162aad3586727180715c2a (patch) | |
| tree | 5a002b874b1bf8fc3f58ba74b3dd4d5c46bfe70c /crypto/md4.c | |
| parent | da7bdfdd23b858e6d97a1e4b461548e23d16977f (diff) | |
| download | linux-068d9d1eba72423e99162aad3586727180715c2a.tar.gz | |
bpf: Fix XDP FD-based attach/detach logic around XDP_FLAGS_UPDATE_IF_NOEXIST
Enforce XDP_FLAGS_UPDATE_IF_NOEXIST only if new BPF program to be attached is
non-NULL (i.e., we are not detaching a BPF program).
Fixes: d4baa9368a5e ("bpf, xdp: Extract common XDP program attachment logic")
Reported-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/20200812022923.1217922-1-andriin@fb.com
Diffstat (limited to 'crypto/md4.c')
0 files changed, 0 insertions, 0 deletions