diff options
Diffstat (limited to '0001-tracing-Have-error-path-in-predicate_parse-free-its-.patch')
| -rw-r--r-- | 0001-tracing-Have-error-path-in-predicate_parse-free-its-.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/0001-tracing-Have-error-path-in-predicate_parse-free-its-.patch b/0001-tracing-Have-error-path-in-predicate_parse-free-its-.patch new file mode 100644 index 000000000..42d4e176a --- /dev/null +++ b/0001-tracing-Have-error-path-in-predicate_parse-free-its-.patch @@ -0,0 +1,37 @@ +From 96c5c6e6a5b6db592acae039fed54b5c8844cd35 Mon Sep 17 00:00:00 2001 +From: Navid Emamdoost <navid.emamdoost@gmail.com> +Date: Fri, 20 Sep 2019 17:57:59 -0500 +Subject: [PATCH] tracing: Have error path in predicate_parse() free its + allocated memory + +In predicate_parse, there is an error path that is not going to +out_free instead it returns directly which leads to a memory leak. + +Link: http://lkml.kernel.org/r/20190920225800.3870-1-navid.emamdoost@gmail.com + +Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> +Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> +--- + kernel/trace/trace_events_filter.c | 6 ++++-- + 1 file changed, 4 insertions(+), 2 deletions(-) + +diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c +index c773b8fb270c..c9a74f82b14a 100644 +--- a/kernel/trace/trace_events_filter.c ++++ b/kernel/trace/trace_events_filter.c +@@ -452,8 +452,10 @@ predicate_parse(const char *str, int nr_parens, int nr_preds, + + switch (*next) { + case '(': /* #2 */ +- if (top - op_stack > nr_parens) +- return ERR_PTR(-EINVAL); ++ if (top - op_stack > nr_parens) { ++ ret = -EINVAL; ++ goto out_free; ++ } + *(++top) = invert; + continue; + case '!': /* #3 */ +-- +2.23.0 + |