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| author | Daniel T. Lee <[email protected]> | 2018-12-03 10:39:30 +0000 |
|---|---|---|
| committer | Daniel Borkmann <[email protected]> | 2018-12-03 22:58:03 +0000 |
| commit | d59dd69d5576d699d7d3f5da0b4738c3a36d0133 (patch) | |
| tree | e514889dba3908fda5eec6762540f06aca89262f /tools/bpf/bpftool/prog.c | |
| parent | bpf: fix documentation for eBPF helpers (diff) | |
| download | kernel-d59dd69d5576d699d7d3f5da0b4738c3a36d0133.tar.gz kernel-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 <[email protected]>
Acked-by: Song Liu <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Diffstat (limited to 'tools/bpf/bpftool/prog.c')
0 files changed, 0 insertions, 0 deletions