diff options
| author |   tedu <tedu@openbsd.org> | 2005-03-10 17:26:10 +0000 |
|---|---|---|
| committer | tedu <tedu@openbsd.org> | 2005-03-10 17:26:10 +0000 |
| commit | da90d235d9a0994d7ea5dba99a7c0b53d9268201 (patch) | |
| tree | ae3ce9b59cb6dcda03d98de35746389a343cd77e /sys/sys/lockf.h | |
| parent | Avoid crash on finalization. We have been using this diff (diff) | |
| download | wireguard-openbsd-da90d235d9a0994d7ea5dba99a7c0b53d9268201.tar.xz wireguard-openbsd-da90d235d9a0994d7ea5dba99a7c0b53d9268201.zip | |
split out uidinfo from kern_proc.c private, use it to store lock count,
restrict lock count per uid to a global limit, add sysctl to adjust limit.
this prevents a user from creating too many locks. problem noticed
by devon o'dell. ok deraadt miod pedro
Diffstat (limited to 'sys/sys/lockf.h')
| -rw-r--r-- | sys/sys/lockf.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/sys/lockf.h b/sys/sys/lockf.h index 35e6da253fd..1b17d451522 100644 --- a/sys/sys/lockf.h +++ b/sys/sys/lockf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: lockf.h,v 1.6 2004/01/14 19:34:05 grange Exp $ */ +/* $OpenBSD: lockf.h,v 1.7 2005/03/10 17:26:10 tedu Exp $ */ /* $NetBSD: lockf.h,v 1.5 1994/06/29 06:44:33 cgd Exp $ */ /* @@ -53,6 +53,7 @@ struct lockf { struct lockf *lf_next; /* A pointer to the next lock on this inode */ struct locklist lf_blkhd; /* The list of blocked locks */ TAILQ_ENTRY(lockf) lf_block; /* A request waiting for a lock */ + uid_t lf_uid; /* User ID responsible */ }; /* Maximum length of sleep chains to traverse to try and detect deadlock. */ |