From: Zhengyuan Liu <[email protected]> It looks weird that the stack_trace_filter file can be written by root but shows that it does not have write permission by ll command.
Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Zhengyuan Liu <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]> --- kernel/trace/trace_stack.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 3c7bfc4bf5e9..4237eba4ef20 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -472,7 +472,7 @@ static __init int stack_trace_init(void) NULL, &stack_trace_fops); #ifdef CONFIG_DYNAMIC_FTRACE - trace_create_file("stack_trace_filter", 0444, d_tracer, + trace_create_file("stack_trace_filter", 0644, d_tracer, &trace_ops, &stack_trace_filter_fops); #endif -- 2.17.0
