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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-18 09:31:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-04-18 09:31:51 -0700 |
commit | 0bad6d7e935a45d0dfbe6925f4ca36ad8812ff65 (patch) | |
tree | f02a07f557756372a5f62ac23f582e6e931ad3fe /kernel/trace/trace.c | |
parent | 5ee4c5a92993458c6beaba76c087227675fc3ccd (diff) | |
parent | d879d0b8c183aabeb9a65eba91f3f9e3c7e7b905 (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.c | 1 |
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); |