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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-07-11 23:03:51 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-07-11 23:03:51 +0300 |
| commit | c25c74b7476e27180e9b76840e963e542023f118 (patch) | |
| tree | d52c9ed6428b7f45853536d6e927241b77bd2dcf | |
| parent | 86125df731cb260f425b852ec0c672ac12449d31 (diff) | |
| parent | 0fc8c3581dd42bc8f530314ca86db2d861485731 (diff) | |
| download | linux-c25c74b7476e27180e9b76840e963e542023f118.tar.xz | |
Merge tag 'trace-v4.18-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull kprobe fix from Steven Rostedt:
"This fixes a memory leak in the kprobe code"
* tag 'trace-v4.18-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/kprobe: Release kprobe print_fmt properly
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index daa81571b22a..21f718472942 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1480,8 +1480,10 @@ create_local_trace_kprobe(char *func, void *addr, unsigned long offs, } ret = __register_trace_kprobe(tk); - if (ret < 0) + if (ret < 0) { + kfree(tk->tp.call.print_fmt); goto error; + } return &tk->tp.call; error: @@ -1501,6 +1503,8 @@ void destroy_local_trace_kprobe(struct trace_event_call *event_call) } __unregister_trace_kprobe(tk); + + kfree(tk->tp.call.print_fmt); free_trace_kprobe(tk); } #endif /* CONFIG_PERF_EVENTS */ |