mirror-linux/tools/testing
Daniel Borkmann 8697bdd67b selftests/bpf: Add test for stale pkt range after scalar arithmetic
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>
2026-04-09 13:11:31 -07:00
..
crypto/chacha20-s390
cxl cxl changes for v7.0 2026-02-12 16:33:05 -08:00
fault-injection
ktest ktest.pl: Fix uninitialized var in config-bisect.pl 2025-12-03 18:25:18 -05:00
kunit kunit: tool: copy caller args in run_kernel to prevent mutation 2026-03-02 10:02:06 -07:00
memblock memblock: drop redundant 'struct page *' argument from memblock_free_pages() 2026-01-09 11:53:51 +02:00
nvdimm
radix-tree idr: fix idr_alloc() returning an ID out of range 2025-12-23 11:23:11 -08:00
rbtree
scatterlist
selftests selftests/bpf: Add test for stale pkt range after scalar arithmetic 2026-04-09 13:11:31 -07:00
shared tools: Update context analysis macros in compiler_types.h 2026-01-28 09:25:45 +01:00
vma tools/testing/vma: add VMA userland tests for VMA flag functions 2026-02-12 15:42:59 -08:00
vsock vsock/test: add stream TX credit bounds test 2026-01-22 15:41:33 +01:00