update

2026-08-18 09:20:44 +02:00
commit b826cd721a
522 changed files with 93730 additions and 0 deletions
@@ -0,0 +1,87 @@
+#include <sys/param.h>
+#include <sys/fcntl.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/namei.h>
+#include <sys/proc.h>
+#include <sys/sysctl.h>
+#include <sys/vnode.h>
+
+static char probe_path[MAXPATHLEN];
+static int probe_result = -1;
+
+static int
+probe_run(SYSCTL_HANDLER_ARGS)
+{
+	struct nameidata nd;
+	struct vattr attributes;
+	struct vnode *vnode;
+	int error, operation;
+
+	operation = 0;
+	error = sysctl_handle_int(oidp, &operation, 0, req);
+	if (error != 0 || req->newptr == NULL)
+		return (error);
+	if (operation < 1 || operation > 5 || probe_path[0] == '\0')
+		return (EINVAL);
+
+	NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, probe_path);
+	error = namei(&nd);
+	if (error != 0) {
+		probe_result = error;
+		return (0);
+	}
+	vnode = nd.ni_vp;
+	NDFREE_PNBUF(&nd);
+	VATTR_NULL(&attributes);
+	attributes.va_size = 0;
+	if (operation == 2 || operation == 5)
+		attributes.va_mode = 0600;
+	if (operation == 3 || operation == 5) {
+		attributes.va_uid = 1;
+		attributes.va_gid = 1;
+	}
+	if (operation == 4 || operation == 5) {
+		attributes.va_atime.tv_sec = 1;
+		attributes.va_atime.tv_nsec = 0;
+		attributes.va_mtime.tv_sec = 1;
+		attributes.va_mtime.tv_nsec = 0;
+	}
+	probe_result = VOP_SETATTR(vnode, &attributes, curthread->td_ucred);
+	vput(vnode);
+	return (0);
+}
+
+static int
+probe_modevent(module_t module, int event, void *arg)
+{
+	(void)module;
+	(void)arg;
+	switch (event) {
+	case MOD_LOAD:
+	case MOD_UNLOAD:
+		return (0);
+	default:
+		return (EOPNOTSUPP);
+	}
+}
+
+SYSCTL_NODE(_debug, OID_AUTO, erofs_setattr_probe,
+    CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "EROFS setattr regression probe");
+SYSCTL_STRING(_debug_erofs_setattr_probe, OID_AUTO, path, CTLFLAG_RW,
+    probe_path, sizeof(probe_path), "Target vnode path");
+SYSCTL_PROC(_debug_erofs_setattr_probe, OID_AUTO, run,
+    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, probe_run, "I",
+    "1=size; 2=size+mode; 3=size+owner; 4=size+times; 5=all");
+SYSCTL_INT(_debug_erofs_setattr_probe, OID_AUTO, result, CTLFLAG_RD,
+    &probe_result, 0, "Last VOP_SETATTR errno");
+
+static moduledata_t probe_module = {
+	"erofs_setattr_probe",
+	probe_modevent,
+	NULL,
+};
+
+DECLARE_MODULE(erofs_setattr_probe, probe_module, SI_SUB_DRIVERS,
+    SI_ORDER_MIDDLE);
+MODULE_VERSION(erofs_setattr_probe, 1);