diff options
| author | Andrea Righi <righi.andrea@gmail.com> | 2019-02-13 01:15:34 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-13 08:16:41 +0100 |
| commit | 02106f883cd745523f7766d90a739f983f19e650 (patch) | |
| tree | fb78edd3ae6c8a3ab49a81ed7f08923b02be8bf6 /lib/ucmpdi2.c | |
| parent | 2f43c6022d84b2f562623a7023f49f1431e50747 (diff) | |
| download | linux-02106f883cd745523f7766d90a739f983f19e650.tar.bz2 | |
kprobes: Prohibit probing on bsearch()
Since kprobe breakpoing handler is using bsearch(), probing on this
routine can cause recursive breakpoint problem.
int3
->do_int3()
->ftrace_int3_handler()
->ftrace_location()
->ftrace_location_range()
->bsearch() -> int3
Prohibit probing on bsearch().
Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/154998813406.31052.8791425358974650922.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/ucmpdi2.c')
0 files changed, 0 insertions, 0 deletions