On Tue, Sep 12 2017, Michal Sojka wrote:
> ARM architecture does not have its system call numbers contiguous. So
> far, utrace ignored the non-contiguous system calls, but it makes it
> difficult to setup seccomp whitelists. This patch adds support for
> these extra out-of-range syscalls.
This patch is buggy. I'll send fixed patch soon. The diff between this
and new patch is:
diff --git a/trace/trace.c b/trace/trace.c
index 2621430..6fb9335 100644
--- a/trace/trace.c
+++ b/trace/trace.c
@@ -193,7 +193,7 @@ static void tracer_cb(struct uloop_process *c, int ret)
int syscall = ptrace(PTRACE_PEEKUSER, c->pid,
reg_syscall_nr);
int i = syscall_index(syscall);
if (i >= 0) {
- syscall_count[syscall]++;
+ syscall_count[i]++;
if (debug)
fprintf(stderr, "%s()\n",
syscall_name(syscall));
} else if (debug) {
-Michal
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