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| author | Daniel T. Lee | 2018-12-03 11:39:30 +0100 |
|---|---|---|
| committer | Daniel Borkmann | 2018-12-03 23:58:03 +0100 |
| commit | d59dd69d5576d699d7d3f5da0b4738c3a36d0133 (patch) | |
| tree | e514889dba3908fda5eec6762540f06aca89262f /samples/bpf/trace_output_user.c | |
| parent | bpf: fix documentation for eBPF helpers (diff) | |
| download | kernel-qcow2-linux-d59dd69d5576d699d7d3f5da0b4738c3a36d0133.tar.gz kernel-qcow2-linux-d59dd69d5576d699d7d3f5da0b4738c3a36d0133.tar.xz kernel-qcow2-linux-d59dd69d5576d699d7d3f5da0b4738c3a36d0133.zip | |
samples: bpf: fix: seg fault with NULL pointer arg
When NULL pointer accidentally passed to write_kprobe_events,
due to strlen(NULL), segmentation fault happens.
Changed code returns -1 to deal with this situation.
Bug issued with Smatch, static analysis.
Signed-off-by: Daniel T. Lee <danieltimlee@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'samples/bpf/trace_output_user.c')
0 files changed, 0 insertions, 0 deletions