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| author | Masami Hiramatsu <mhiramat@kernel.org> | 2019-02-13 01:14:37 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-13 08:16:40 +0100 |
| commit | a39f15b9644fac3f950f522c39e667c3af25c588 (patch) | |
| tree | cf7d2f958d62cae723b92904dfd2a6605cac6ef7 /kernel/locking | |
| parent | 984640ce427fa67c7c1f8550ab53495733bd11fc (diff) | |
| download | linux-next-a39f15b9644fac3f950f522c39e667c3af25c588.tar.gz | |
kprobes: Prohibit probing on RCU debug routine
Since kprobe itself depends on RCU, probing on RCU debug
routine can cause recursive breakpoint bugs.
Prohibit probing on RCU debug routines.
int3
->do_int3()
->ist_enter()
->RCU_LOCKDEP_WARN()
->debug_lockdep_rcu_enabled() -> int3
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrea Righi <righi.andrea@gmail.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/154998807741.31052.11229157537816341591.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
0 files changed, 0 insertions, 0 deletions