https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258601
--- Comment #14 from commit-hook_at_FreeBSD.org ---
A commit in branch stable/12 references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=9419d273e4718ee8c768865cd73a3b907f365d8d
commit 9419d273e4718ee8c768865cd73a3b907f365d8d
Author: Kristof Provost <kp_at_FreeBSD.org>
AuthorDate: 2021-09-23 08:39:49 +0000
Commit: Kristof Provost <kp_at_FreeBSD.org>
CommitDate: 2021-09-30 07:54:44 +0000
pf: fix pagefault in pf_getstatus()
We can't copyout() while holding a lock, in case it triggers a page
fault.
Release the lock before copyout, which is safe because we've already
copied all the data into the nvlist.
PR: 258601
Reviewed by: mjg
MFC after: 1 week
Sponsored by: Modirum MDPay
Differential Revision: https://reviews.freebsd.org/D32076
(cherry picked from commit cb13059663e455b3fc69c293dadec53c164490dc)
sys/netpfil/pf/pf_ioctl.c | 3 +++
1 file changed, 3 insertions(+)
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Received on Thu Sep 30 2021 - 12:22:08 UTC