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8697bdd67b
Extend the verifier_direct_packet_access BPF selftests to exercise the verifier code paths which ensure that the pkt range is cleared after add/sub alu with a known scalar. The tests reject the invalid access. # LDLIBS=-static PKG_CONFIG='pkg-config --static' ./vmtest.sh -- ./test_progs -t verifier_direct [...] #592/35 verifier_direct_packet_access/direct packet access: pkt_range cleared after sub with known scalar:OK #592/36 verifier_direct_packet_access/direct packet access: pkt_range cleared after add with known scalar:OK #592/37 verifier_direct_packet_access/direct packet access: test3:OK #592/38 verifier_direct_packet_access/direct packet access: test3 @unpriv:OK #592/39 verifier_direct_packet_access/direct packet access: test34 (non-linear, cgroup_skb/ingress, too short eth):OK #592/40 verifier_direct_packet_access/direct packet access: test35 (non-linear, cgroup_skb/ingress, too short 1):OK #592/41 verifier_direct_packet_access/direct packet access: test36 (non-linear, cgroup_skb/ingress, long enough):OK #592 verifier_direct_packet_access:OK [...] Summary: 2/47 PASSED, 0 SKIPPED, 0 FAILED Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/r/20260409155016.536608-2-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov <ast@kernel.org>