* Alexei Starovoitov <ast@xxxxxxxxxxxx> wrote:
> +void read_trace_pipe(void)
> +{
> + int trace_fd;
> +
> + trace_fd = open(DEBUGFS "trace_pipe", O_RDONLY, 0);
> + if (trace_fd < 0)
> + return;
> +
> + while (1) {
> + static char buf[4096];
> + ssize_t sz;
> +
> + sz = read(trace_fd, buf, sizeof(buf));
read() will return -1 on failure ...
> + if (sz) {
... this test passes ...
> + buf[sz] = 0;
... and here we smash the stack?
> + puts(buf);
> + }
> + }
Thanks,
Ingo
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