tracing/filters: Fix double-free of struct filter_pred.mask

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When a cpulist filter is found to contain a single CPU, that CPU is saved
as a scalar and the backing cpumask storage is freed.

Also NULL the mask to avoid a double-free once we get down to
free_predicate().

Link: https://lkml.kernel.org/r/20230901151039.125186-3-vschneid@redhat.com

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Valentin Schneider <vschneid@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

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Valentin Schneider 2023-09-01 17:10:37 +02:00 • committed by Steven Rostedt (Google)

parent 9af4058493

commit 1caf7adb9e

1 changed files with 1 additions and 0 deletions

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kernel/trace/trace_events_filter.c

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