Do not try to process Xen crash dump if dump level is invalid.
Fail immediately and print relevant error message.
Signed-off-by: Daniel Kiper <daniel.kiper at oracle.com>
---
makedumpfile.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/makedumpfile.c b/makedumpfile.c
index b160cea..389efc5 100644
--- a/makedumpfile.c
+++ b/makedumpfile.c
@@ -64,6 +64,8 @@ do { \
static void check_cyclic_buffer_overrun(void);
static void setup_page_is_buddy(void);
+int get_next_dump_level(int index);
+
void
initialize_tables(void)
{
@@ -2903,7 +2905,7 @@ initial(void)
{
off_t offset;
unsigned long size;
- int debug_info = FALSE;
+ int debug_info = FALSE, dump_level, i;
#ifdef USELZO
if (lzo_init() == LZO_E_OK)
@@ -2926,6 +2928,20 @@ initial(void)
#endif
if (is_xen_memory()) {
+ for (i = 0; ; ++i) {
+ dump_level = get_next_dump_level(i);
+
+ if (dump_level < 0)
+ break;
+
+ if (dump_level <= 1)
+ continue;
+
+ MSG("Allowed Dump_Level for Xen dump filtering is 0 or 1\n");
+
+ return FALSE;
+ }
+
if(info->flag_cyclic) {
info->flag_cyclic = FALSE;
MSG("Switched running mode from cyclic to non-cyclic,\n");
--
1.7.10.4
