2006-03-24 18:14:36

by Jeff Dike

[permalink] [raw]
Subject: [PATCH 16/16] UML - Fix hostfs stack corruption

Noted by Oleg Drokin:
We initialized an extra slot of struct kstatfs.spare, sometimes
causing stack corruption.

Signed-off-by: Jeff Dike <[email protected]>

Index: linux-2.6.16/fs/hostfs/hostfs_user.c
===================================================================
--- linux-2.6.16.orig/fs/hostfs/hostfs_user.c 2006-03-23 16:49:38.000000000 -0500
+++ linux-2.6.16/fs/hostfs/hostfs_user.c 2006-03-23 17:46:09.000000000 -0500
@@ -360,7 +360,6 @@ int do_statfs(char *root, long *bsize_ou
spare_out[2] = buf.f_spare[2];
spare_out[3] = buf.f_spare[3];
spare_out[4] = buf.f_spare[4];
- spare_out[5] = buf.f_spare[5];
return(0);
}