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authorJiri Olsa <jolsa@redhat.com>2021-11-23 15:28:01 +0100
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2021-11-23 20:52:01 -0500
commit1880ed71ce863318c1ce93bf324876fb5f92854f (patch)
tree5673be546c4794f50035c4d9b75f7734f57089d3 /kernel/trace/trace_uprobe.c
parent136057256686de39cc3a07c2e39ef6bc43003ff6 (diff)
tracing/uprobe: Fix uprobe_perf_open probes iteration
Add missing 'tu' variable initialization in the probes loop, otherwise the head 'tu' is used instead of added probes. Link: https://lkml.kernel.org/r/20211123142801.182530-1-jolsa@kernel.org Cc: stable@vger.kernel.org Fixes: 99c9a923e97a ("tracing/uprobe: Fix double perf_event linking on multiprobe uprobe") Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
-rw-r--r--kernel/trace/trace_uprobe.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 0a5c0db3137e..f5f0039d31e5 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -1313,6 +1313,7 @@ static int uprobe_perf_open(struct trace_event_call *call,
return 0;
list_for_each_entry(pos, trace_probe_probe_list(tp), list) {
+ tu = container_of(pos, struct trace_uprobe, tp);
err = uprobe_apply(tu->inode, tu->offset, &tu->consumer, true);
if (err) {
uprobe_perf_close(call, event);