[Bug 265997] compat10 semaphore interface internal race may lead to application hang

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=265997

--- Comment #4 from commit-hook@FreeBSD.org ---
A commit in branch stable/12 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=3e39cbb10e0d4cf9db17ac38a0cca39aa3c5e403

commit 3e39cbb10e0d4cf9db17ac38a0cca39aa3c5e403
Author:     firk <firk@cantconnect.ru>
AuthorDate: 2022-08-26 08:05:56 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2022-08-31 01:33:38 +0000

    Fix compat10 semaphore interface race

    PR:     265997

    (cherry picked from commit 768f6373eb3d60e346d3bfa495e04315aeed8ff9)

 sys/kern/kern_umtx.c | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

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