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| author | Ammar Faizi <ammarfaizi2@gnuweeb.org> | 2022-04-18 01:56:29 +0700 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-04-26 17:58:52 -0400 |
| commit | 97a5d2e5e35f119b6d7a37c7538773ae7af82dd5 (patch) | |
| tree | c64b9527c68254a913e5d81bfaca7310ecd86ecf /kernel/trace/ring_buffer.c | |
| parent | tracing: Make tp_printk work on syscall tracepoints (diff) | |
| download | linux-97a5d2e5e35f119b6d7a37c7538773ae7af82dd5.tar.gz linux-97a5d2e5e35f119b6d7a37c7538773ae7af82dd5.zip | |
tracing: Return -EINVAL if WARN_ON(!glob) triggered in event_hist_trigger_parse()
If `WARN_ON(!glob)` is ever triggered, we will still continue executing
the next lines. This will trigger the more serious problem, a NULL
pointer dereference bug.
Just return -EINVAL if @glob is NULL.
Link: https://lkml.kernel.org/r/20220417185630.199062-2-ammarfaizi2@gnuweeb.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: GNU/Weeb Mailing List <gwml@vger.gnuweeb.org>
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
0 files changed, 0 insertions, 0 deletions