[CRIU] [PATCH] dump: initilize vmas in the very beginning

[Ruslan Kuprieiev]

Hi!

When dump/pre-dump failed before initializing vmas, free_mappings(&vmas) 
is called and this cause segfault. Lets initialize vmas in the very 
beginning of dump.

Signed-off-by: Ruslan Kuprieiev <kurpuser at gmail.com>
-------------- next part --------------
---
diff --git a/cr-dump.c b/cr-dump.c
index 8e8d332..97ba2d0 100644
--- a/cr-dump.c
+++ b/cr-dump.c
@@ -1296,6 +1296,9 @@ static int pre_dump_one_task(struct pstree_item *item, struct list_head *ctls)
 	int ret = -1;
 	struct parasite_dump_misc misc;
 
+	INIT_LIST_HEAD(&vmas.h);
+	vmas.nr = 0;
+
 	pr_info("========================================\n");
 	pr_info("Pre-dumping task (pid: %d)\n", pid);
 	pr_info("========================================\n");
@@ -1359,6 +1362,9 @@ static int dump_one_task(struct pstree_item *item)
 	struct proc_posix_timers_stat proc_args;
 	struct proc_status_creds cr;
 
+	INIT_LIST_HEAD(&vmas.h);
+	vmas.nr = 0;
+
 	pr_info("========================================\n");
 	pr_info("Dumping task (pid: %d)\n", pid);
 	pr_info("========================================\n");