-
Natalia Petrova authored
Function 'create_hist_field' is called recursively at trace_events_hist.c:1954 and can return NULL-value that's why we have to check it to avoid null pointer dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE. Link: https://lkml.kernel.org/r/20230111120409.4111-1-n.petrova@fintech.ru Cc: stable@vger.kernel.org Fixes: 30350d65 ("tracing: Add variable support to hist triggers") Signed-off-by:
Natalia Petrova <n.petrova@fintech.ru> Signed-off-by:
Steven Rostedt (Google) <rostedt@goodmis.org>
8b152e91