diff options
| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2016-03-18 15:46:48 -0400 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-04-18 08:51:05 -0400 |
| commit | ab31b690cdf88cf5cb0493718b89dbc37dd784a3 (patch) | |
| tree | 0aca0964ed3d00fd918a440f7a46b3d2a70ab91e /include | |
| parent | e4fc9a7c67d779795033235a2b5d2c84e39424c2 (diff) | |
tracing: Fix crash from reading trace_pipe with sendfile
[ Upstream commit a29054d9478d0435ab01b7544da4f674ab13f533 ]
If tracing contains data and the trace_pipe file is read with sendfile(),
then it can trigger a NULL pointer dereference and various BUG_ON within the
VM code.
There's a patch to fix this in the splice_to_pipe() code, but it's also a
good idea to not let that happen from trace_pipe either.
Link: http://lkml.kernel.org/r/1457641146-9068-1-git-send-email-rabin@rab.in
Cc: stable@vger.kernel.org # 2.6.30+
Reported-by: Rabin Vincent <rabin.vincent@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions