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| author | Alexei Starovoitov <[email protected]> | 2018-09-12 21:06:10 +0000 |
|---|---|---|
| committer | Daniel Borkmann <[email protected]> | 2018-09-12 21:30:02 +0000 |
| commit | dd066823db2ac4e22f721ec85190817b58059a54 (patch) | |
| tree | f7f40317bb1474a382035fb58a120e73c82fec46 /tools/perf/scripts/python/failed-syscalls-by-pid.py | |
| parent | bpf: btf: Fix end boundary calculation for type section (diff) | |
| download | kernel-dd066823db2ac4e22f721ec85190817b58059a54.tar.gz kernel-dd066823db2ac4e22f721ec85190817b58059a54.zip | |
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 <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/failed-syscalls-by-pid.py')
0 files changed, 0 insertions, 0 deletions