[Bug 275001] if_wg: Missing radix unlock can cause deadlock

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 19 Nov 2023 19:30:41 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275001

--- Comment #5 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=16c65f7ae15e6ca8b36fc546e038c59270c87ccc

commit 16c65f7ae15e6ca8b36fc546e038c59270c87ccc
Author:     Aaron LI <aly@aaronly.me>
AuthorDate: 2023-11-11 13:13:08 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2023-11-19 19:29:35 +0000

    if_wg: Missing radix unlock can cause deadlock

    In function 'wg_aip_add()', the error path of returning ENOMEM when
    (node == NULL) is forgetting to unlock the radix tree, and thus may lead
    to a deadlock.

    PR:             275001
    Reviewed by:    kp
    MFC after:      1 week

    (cherry picked from commit dcc4d2939f789a6d1f272ffeab2068ba2b7525ea)

 sys/dev/wg/if_wg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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