[CRIU] [PATCH] parasite: stack must be initialized by highest address

Andrey Vagin avagin at openvz.org
Tue Nov 5 06:28:27 PST 2013


Stack grows down on x86 and ARM

Signed-off-by: Andrey Vagin <avagin at openvz.org>
---
 parasite-syscall.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/parasite-syscall.c b/parasite-syscall.c
index 352b7e7..133afeb 100644
--- a/parasite-syscall.c
+++ b/parasite-syscall.c
@@ -1178,13 +1178,12 @@ struct parasite_ctl *parasite_infect_seized(pid_t pid, struct pstree_item *item,
 	ctl->sigframe	= ctl->local_map  + p;
 
 	p += RESTORE_STACK_SIGFRAME;
-
-	ctl->rstack = ctl->remote_map + p;
 	p += PARASITE_STACK_SIZE;
+	ctl->rstack = ctl->remote_map + p;
 
 	if (item->nr_threads > 1) {
-		ctl->r_thread_stack = ctl->remote_map + p;
 		p += PARASITE_STACK_SIZE;
+		ctl->r_thread_stack = ctl->remote_map + p;
 	}
 
 	if (parasite_start_daemon(ctl, item))
-- 
1.8.3.1



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