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| author | Tushar Dave <tushar.n.dave@oracle.com> | 2018-08-31 23:45:16 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-09-02 22:29:53 +0200 |
| commit | 9db39f4d4f94b61e4b64b077f6ddb2bdfb533a88 (patch) | |
| tree | a38eb4ddd5568fcd3647115dd0cae63c8fcf3bb4 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 93bbadd6e0a2a58e49d265b9b1aa58e621b60a26 (diff) | |
bpf: Fix bpf_msg_pull_data()
Helper bpf_msg_pull_data() mistakenly reuses variable 'offset' while
linearizing multiple scatterlist elements. Variable 'offset' is used
to find first starting scatterlist element
i.e. msg->data = sg_virt(&sg[first_sg]) + start - offset"
Use different variable name while linearizing multiple scatterlist
elements so that value contained in variable 'offset' won't get
overwritten.
Fixes: 015632bb30da ("bpf: sk_msg program helper bpf_sk_msg_pull_data")
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions