diff options
| author | Klemens Nanni <kn@cvs.openbsd.org> | 2022-02-15 11:54:20 +0000 |
|---|---|---|
| committer | Klemens Nanni <kn@cvs.openbsd.org> | 2022-02-15 11:54:20 +0000 |
| commit | 002b801d233b6b9fbe2f1247ea477592a2a2d993 (patch) | |
| tree | 07d8b83377855b729b9d639c44c31bcbfdb0b828 | |
| parent | d607e68bf063be2ef259719661e26fcef036eaf8 (diff) | |
Backout previous "Unwire with map lock held" (commitid: SsVz7dLGFgR21kFe)
The (known) lock order reversals which now occur more reliably and much
earlier on WITNESS boots with this diff knock out syzcaller reports since
syzcaller stops at the first "crash report":
https://syzkaller.appspot.com/bug?id=81b39e970cd2eb21b97d1b31746c693e300fd2dd
| -rw-r--r-- | sys/uvm/uvm_map.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/sys/uvm/uvm_map.c b/sys/uvm/uvm_map.c index 6cb8b05acea..ab114029180 100644 --- a/sys/uvm/uvm_map.c +++ b/sys/uvm/uvm_map.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_map.c,v 1.287 2022/02/14 21:11:02 kn Exp $ */ +/* $OpenBSD: uvm_map.c,v 1.288 2022/02/15 11:54:19 kn Exp $ */ /* $NetBSD: uvm_map.c,v 1.86 2000/11/27 08:40:03 chs Exp $ */ /* @@ -3681,9 +3681,7 @@ uvmspace_free(struct vmspace *vm) shmexit(vm); #endif - vm_map_lock(&vm->vm_map); uvm_map_teardown(&vm->vm_map); - vm_map_unlock(&vm->vm_map); pool_put(&uvm_vmspace_pool, vm); } } |