[Devel] [PATCH 2/2] File name length limit off by sizeof(struct ckpt_hdr)

Matt Helsley matthltc at us.ibm.com
Fri Oct 23 10:58:28 PDT 2009


Unlike the length passed into ckpt_write_obj_type, the maximum length passed
to ckpt_read_buf_type must include the length of the struct ckpt_hdr.

Signed-off-by: Matt Helsley <matthltc at us.ibm.com>
---
 checkpoint/files.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/checkpoint/files.c b/checkpoint/files.c
index 0564666..562c338 100644
--- a/checkpoint/files.c
+++ b/checkpoint/files.c
@@ -449,7 +449,7 @@ struct file *restore_open_fname(struct ckpt_ctx *ctx, int flags)
 	if (flags & (O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC))
 		return ERR_PTR(-EINVAL);
 
-	h = ckpt_read_buf_type(ctx, PATH_MAX, CKPT_HDR_FILE_NAME);
+	h = ckpt_read_buf_type(ctx, PATH_MAX + sizeof(*h), CKPT_HDR_FILE_NAME);
 	if (IS_ERR(h))
 		return (struct file *) h;
 	len = h->len - sizeof(*h);
-- 
1.5.6.3

_______________________________________________
Containers mailing list
Containers at lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/containers




More information about the Devel mailing list