diff options
| author | Bob Beck <beck@cvs.openbsd.org> | 2013-04-04 17:29:37 +0000 |
|---|---|---|
| committer | Bob Beck <beck@cvs.openbsd.org> | 2013-04-04 17:29:37 +0000 |
| commit | fe585b647bf5a928c2f133bae11b94d19bef9ce2 (patch) | |
| tree | 9b9fad85b7fa443aab90c3c18f87cb9d4a36db4e /sys | |
| parent | e2238470752af3c8a0ee30bbc9b8c34d8d962782 (diff) | |
Fix bug where clear_remove() and clear_inodedeps() would not iterate
over the entire pagedep and inodedep hash tables due to an off-by-one
mistake in loops. Spotted by and diff from Pedro Martelletto. Sent
upstream to Kirk and also fixed in FreeBSD.
ok otto@ millert@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/ufs/ffs/ffs_softdep.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/sys/ufs/ffs/ffs_softdep.c b/sys/ufs/ffs/ffs_softdep.c index 01150f826ea..2d3ffb4e9a9 100644 --- a/sys/ufs/ffs/ffs_softdep.c +++ b/sys/ufs/ffs/ffs_softdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ffs_softdep.c,v 1.116 2013/02/17 17:39:29 miod Exp $ */ +/* $OpenBSD: ffs_softdep.c,v 1.117 2013/04/04 17:29:36 beck Exp $ */ /* * Copyright 1998, 2000 Marshall Kirk McKusick. All Rights Reserved. @@ -5320,9 +5320,9 @@ clear_remove(struct proc *p) ino_t ino; ACQUIRE_LOCK(&lk); - for (cnt = 0; cnt < pagedep_hash; cnt++) { + for (cnt = 0; cnt <= pagedep_hash; cnt++) { pagedephd = &pagedep_hashtbl[next++]; - if (next >= pagedep_hash) + if (next > pagedep_hash) next = 0; LIST_FOREACH(pagedep, pagedephd, pd_hash) { if (LIST_FIRST(&pagedep->pd_dirremhd) == NULL) @@ -5376,9 +5376,9 @@ clear_inodedeps(struct proc *p) * We will then gather up all the inodes in its block * that have dependencies and flush them out. */ - for (cnt = 0; cnt < inodedep_hash; cnt++) { + for (cnt = 0; cnt <= inodedep_hash; cnt++) { inodedephd = &inodedep_hashtbl[next++]; - if (next >= inodedep_hash) + if (next > inodedep_hash) next = 0; if ((inodedep = LIST_FIRST(inodedephd)) != NULL) break; |