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Jakub Sitnicki 119debdb9f selftests/bpf: Extend verifier and bpf_sock tests for dst_port loads 
commit 8f50f16ff3 upstream.

Add coverage to the verifier tests and tests for reading bpf_sock fields to
ensure that 32-bit, 16-bit, and 8-bit loads from dst_port field are allowed
only at intended offsets and produce expected values.

While 16-bit and 8-bit access to dst_port field is straight-forward, 32-bit
wide loads need be allowed and produce a zero-padded 16-bit value for
backward compatibility.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/r/20220130115518.213259-3-jakub@cloudflare.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2022-08-11 13:07:50 +02:00
..
asm ia64: tools: remove inclusion of ia64-specific version of errno.h header 2021-04-16 16:10:37 -07:00
asm-generic tools headers UAPI: Sync files changed by new process_mrelease syscall and the removal of some compat entry points 2021-09-10 11:45:07 -03:00
drm tools headers UAPI: Update tools's copy of drm.h headers 2021-09-11 16:24:10 -03:00
linux selftests/bpf: Extend verifier and bpf_sock tests for dst_port loads 2022-08-11 13:07:50 +02:00
sound tools include UAPI: Sync sound/asound.h copy with the kernel sources 2022-02-08 18:34:14 +01:00