diff options
| author |   anton <anton@openbsd.org> | 2019-01-21 18:09:21 +0000 |
|---|---|---|
| committer | anton <anton@openbsd.org> | 2019-01-21 18:09:21 +0000 |
| commit | 6bd4f7ca0ef936d4e355b60a534d1efc45dff893 (patch) | |
| tree | 7c0bf8ea9ece81fca5c96fbb924db82043892e20 /sys/tmpfs | |
| parent | Use the actual handshake message type in the certificate request handler. (diff) | |
| download | wireguard-openbsd-6bd4f7ca0ef936d4e355b60a534d1efc45dff893.tar.xz wireguard-openbsd-6bd4f7ca0ef936d4e355b60a534d1efc45dff893.zip | |
Introduce a dedicated entry point data structure for file locks. This new data
structure allows for better tracking of pending lock operations which is
essential in order to prevent a use-after-free once the underlying vnode is
gone.
Inspired by the lockf implementation in FreeBSD.
ok visa@
Reported-by: syzbot+d5540a236382f50f1dac@syzkaller.appspotmail.com
Diffstat (limited to 'sys/tmpfs')
| -rw-r--r-- | sys/tmpfs/tmpfs.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/tmpfs/tmpfs.h b/sys/tmpfs/tmpfs.h index 8646ca36446..0c5b1583327 100644 --- a/sys/tmpfs/tmpfs.h +++ b/sys/tmpfs/tmpfs.h @@ -1,4 +1,4 @@ -/* $OpenBSD: tmpfs.h,v 1.8 2016/06/19 11:54:33 natano Exp $ */ +/* $OpenBSD: tmpfs.h,v 1.9 2019/01/21 18:09:21 anton Exp $ */ /* $NetBSD: tmpfs.h,v 1.45 2011/09/27 01:10:43 christos Exp $ */ /* @@ -122,7 +122,7 @@ typedef struct tmpfs_node { struct timespec tn_birthtime; /* Head of byte-level lock list (used by tmpfs_advlock). */ - struct lockf * tn_lockf; + struct lockf_state * tn_lockf; union { /* Type case: VBLK or VCHR. */ |