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| author | Alexei Starovoitov <ast@kernel.org> | 2018-09-12 14:06:10 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-09-12 23:30:02 +0200 |
| commit | dd066823db2ac4e22f721ec85190817b58059a54 (patch) | |
| tree | f7f40317bb1474a382035fb58a120e73c82fec46 /kernel/rseq.c | |
| parent | 4b1c5d917d34f705096bb7dd8a2bd19b0881970e (diff) | |
bpf/verifier: disallow pointer subtraction
Subtraction of pointers was accidentally allowed for unpriv programs
by commit 82abbf8d2fc4. Revert that part of commit.
Fixes: 82abbf8d2fc4 ("bpf: do not allow root to mangle valid pointers")
Reported-by: Jann Horn <jannh@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/rseq.c')
0 files changed, 0 insertions, 0 deletions