Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

getblk()'s "block size invariant" isn't valid for VBLK vnodes

Browse Source 
since bounds_check_with_label() will truncate a buffer that crosses
the end of the partition.  adjust the assertion to account for this.
fixes PRs 7938, 12156, 12698, 13076, 13210 and 13288.
This commit is contained in:
chs 2002-02-10 23:14:18 +00:00
parent 4ec25a3335
commit 9784635eb6
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/kern/vfs_bio.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_bio.c,v 1.77 2001/11/12 15:25:35 lukem Exp $ */
/* $NetBSD: vfs_bio.c,v 1.78 2002/02/10 23:14:18 chs Exp $ */
/*-
* Copyright (c) 1994 Christopher G. Demetriou
@ -49,7 +49,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vfs_bio.c,v 1.77 2001/11/12 15:25:35 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: vfs_bio.c,v 1.78 2002/02/10 23:14:18 chs Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -668,7 +668,8 @@ start:
goto start;
}
#ifdef DIAGNOSTIC
if (ISSET(bp->b_flags, B_DONE|B_DELWRI) && bp->b_bcount < size)
if (ISSET(bp->b_flags, B_DONE|B_DELWRI) &&
bp->b_bcount < size && vp->v_type != VBLK)
panic("getblk: block size invariant failed");
#endif
SET(bp->b_flags, B_BUSY);