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| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-05-13 12:23:24 -0400 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-05-13 14:20:33 -0400 |
| commit | eb01f5353bdaa59600b29d864819056a0e3de24d (patch) | |
| tree | 6b461e8d593c507df90d3484a6c5a302d1cdc1b5 /include | |
| parent | 6efb943b8616ec53a5e444193dccf1af9ad627b5 (diff) | |
| download | linux-stable-eb01f5353bdaa59600b29d864819056a0e3de24d.tar.gz linux-stable-eb01f5353bdaa59600b29d864819056a0e3de24d.tar.bz2 linux-stable-eb01f5353bdaa59600b29d864819056a0e3de24d.zip | |
tracing: Handle %.*s in trace_check_vprintf()
If a trace event uses the %*.s notation, the trace_check_vprintf() will
fail and will warn about a bad processing of strings, because it does not
take into account the length field when processing the star (*) part.
Have it handle this case as well.
Link: https://lore.kernel.org/linux-nfs/238C0E2D-C2A4-4578-ADD2-C565B3B99842@oracle.com/
Reported-by: Chuck Lever III <chuck.lever@oracle.com>
Fixes: 9a6944fee68e2 ("tracing: Add a verifier to check string pointers for trace events")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions