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Fix locking issue: npf_default_pass needs to be called with the config lock 

held.
This commit is contained in:
christos 2021-01-25 17:17:19 +00:00
parent bf7ed73a68
commit c518bb5a58
1 changed files with 10 additions and 2 deletions
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12
sys/net/npf/npf_os.c
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@ -33,7 +33,7 @@
#ifdef _KERNEL
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: npf_os.c,v 1.19 2020/08/18 07:53:24 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: npf_os.c,v 1.20 2021/01/25 17:17:19 christos Exp $");
#ifdef _KERNEL_OPT
#include "pf.h"
@ -321,8 +321,16 @@ npf_dev_read(dev_t dev, struct uio *uio, int flag)
bool
npf_autounload_p(void)
{
if (npf_active_p())
return false;
npf_t *npf = npf_getkernctx();
return !npf_active_p() && npf_default_pass(npf);
npf_config_enter(npf);
bool pass = npf_default_pass(npf);
npf_config_exit(npf);
return pass;
}
/*