diff options
| author | Yang Jihong <yangjihong1@huawei.com> | 2022-11-29 19:30:09 +0800 |
|---|---|---|
| committer | Alexander Grund <flamefire89@gmail.com> | 2023-11-09 18:31:03 +0100 |
| commit | 9d0eb0082cdba627e720b12e9db80e5e3c884680 (patch) | |
| tree | 17e7f951cff8e874c7b2c88c937b1d1eefc3804a /include/linux/hid-debug.h | |
| parent | f20831797b85895dc264e9bec339b77979cabfef (diff) | |
tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line
commit c1ac03af6ed45d05786c219d102f37eb44880f28 upstream.
print_trace_line may overflow seq_file buffer. If the event is not
consumed, the while loop keeps peeking this event, causing a infinite loop.
Link: https://lkml.kernel.org/r/20221129113009.182425-1-yangjihong1@huawei.com
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Fixes: 088b1e427dbba ("ftrace: pipe fixes")
Change-Id: Ic7f41111b7c7944e9f64b010a3c1ff095c757b9d
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ulrich Hecht <uli+cip@fpond.eu>
Diffstat (limited to 'include/linux/hid-debug.h')
0 files changed, 0 insertions, 0 deletions