]> git.ipfire.org Git - thirdparty/kernel/linux.git/commit
selftests/bpf: Reject scalar store into kptr slot
authorMykyta Yatsenko <yatsenko@meta.com>
Thu, 16 Apr 2026 18:08:08 +0000 (11:08 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Thu, 16 Apr 2026 22:20:27 +0000 (15:20 -0700)
commitfcd11ff8bd0e526bdd5f43f534ccf7c4e67245ad
treeca17da98c05eba692344987c6712f9616e13ebdb
parent4d0a375887ab4d49e4da1ff10f9606cab8f7c3ad
selftests/bpf: Reject scalar store into kptr slot

Verify that the verifier rejects a direct scalar write to a kptr map
value slot without crashing.

Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Link: https://lore.kernel.org/r/20260416-kptr_crash-v1-2-5589356584b4@meta.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
tools/testing/selftests/bpf/progs/map_kptr_fail.c