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authorLinus Torvalds <torvalds@linux-foundation.org>2017-04-18 09:31:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-04-18 09:31:51 -0700
commit0bad6d7e935a45d0dfbe6925f4ca36ad8812ff65 (patch)
treef02a07f557756372a5f62ac23f582e6e931ad3fe /kernel/trace/trace.c
parent5ee4c5a92993458c6beaba76c087227675fc3ccd (diff)
parentd879d0b8c183aabeb9a65eba91f3f9e3c7e7b905 (diff)
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Merge tag 'trace-v4.11-rc5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftrace fix from Steven Rostedt: "Namhyung Kim discovered a use after free bug. It has to do with adding a pid filter to function tracing in an instance, and then freeing the instance" * tag 'trace-v4.11-rc5-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace: Fix function pid filter on instances
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f35109514a01..d484452ae648 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -7402,6 +7402,7 @@ static int instance_rmdir(const char *name)
tracing_set_nop(tr);
event_trace_del_tracer(tr);
+ ftrace_clear_pids(tr);
ftrace_destroy_function_files(tr);
tracefs_remove_recursive(tr->dir);
free_trace_buffers(tr);