Linux kernel bug fix: bpf: reject passing modified ctx to helper functions
Subsystem: bpf (tools/testing/selftests/bpf/test_verifier.c)
Bug type: use-after-free, severity: medium
Keywords: use after free
Files changed: kernel/bpf/verifier.c;tools/testing/selftests/bpf/test_verifier.c
Introduced by Edward Cree on 2017-08-08 17:51:34 -0700; fixed by Daniel Borkmann on 2018-06-07 12:37:17 -0700 (lifetime: 302 days)