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| author | Jann Horn <[email protected]> | 2017-12-19 04:11:58 +0000 |
|---|---|---|
| committer | Daniel Borkmann <[email protected]> | 2017-12-21 01:15:41 +0000 |
| commit | a5ec6ae161d72f01411169a938fa5f8baea16e8f (patch) | |
| tree | ac35208d260c569dff7eb526c5db93536e07b0f5 /lib/timerqueue.c | |
| parent | bpf: fix missing error return in check_stack_boundary() (diff) | |
| download | kernel-a5ec6ae161d72f01411169a938fa5f8baea16e8f.tar.gz kernel-a5ec6ae161d72f01411169a938fa5f8baea16e8f.zip | |
bpf: force strict alignment checks for stack pointers
Force strict alignment checks for stack pointers because the tracking of
stack spills relies on it; unaligned stack accesses can lead to corruption
of spilled registers, which is exploitable.
Fixes: f1174f77b50c ("bpf/verifier: rework value tracking")
Signed-off-by: Jann Horn <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Diffstat (limited to 'lib/timerqueue.c')
0 files changed, 0 insertions, 0 deletions