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authorBeau Belgrave <beaub@linux.microsoft.com>2022-11-23 10:32:48 -0800
committerSteven Rostedt (Google) <rostedt@goodmis.org>2022-11-28 15:58:56 -0500
commit4bded7af8b9af6e97514b0521004f90267905aef (patch)
treef1564249f61fc9bf3918aab299716715d41831e4 /kernel/trace/trace_events_user.c
parentbd604f3db49c5b21171abea0414a2020dcbf2646 (diff)
tracing/user_events: Fix call print_fmt leak
If user_event_trace_register() fails within user_event_parse() the call's print_fmt member is not freed. Add kfree call to fix this. Link: https://lkml.kernel.org/r/20221123183248.554-1-beaub@linux.microsoft.com Fixes: aa3b2b4c6692 ("user_events: Add print_fmt generation support for basic types") Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events_user.c')
-rw-r--r--kernel/trace/trace_events_user.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c
index 539b08ae7020..9cb53182bb31 100644
--- a/kernel/trace/trace_events_user.c
+++ b/kernel/trace/trace_events_user.c
@@ -1359,6 +1359,7 @@ put_user_lock:
put_user:
user_event_destroy_fields(user);
user_event_destroy_validators(user);
+ kfree(user->call.print_fmt);
kfree(user);
return ret;
}