[Bug 271768] panic: _sx_xlock_hard: recursed on non-recursive sx iflib ctx lock @ /usr/src/sys/net/iflib.c:2582

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 271768] panic: _sx_xlock_hard: recursed on non-recursive sx iflib ctx lock @ /usr/src/sys/net/iflib.c:2582"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 20 Jul 2023 22:48:30 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271768

--- Comment #6 from commit-hook@FreeBSD.org ---
A commit in branch stable/13 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=93f39b4675865094b298e1fca5bcfa788348dd36

commit 93f39b4675865094b298e1fca5bcfa788348dd36
Author:     Przemyslaw Lewandowski <przemyslawx.lewandowski@intel.com>
AuthorDate: 2023-07-19 22:40:46 +0000
Commit:     Eric Joyner <erj@FreeBSD.org>
CommitDate: 2023-07-20 22:42:22 +0000

    iflib: Unlock ctx lock around call to ether_ifattach()

    Panic occurs during loading driver using kldload. It exists since netlink
is
    enabled.  There is problem with double locking ctx. This fix allows to call
    ether_ifattach() without locked ctx.

    Signed-off-by: Eric Joyner <erj@FreeBSD.org>

    PR:             271768
    Reviewed by:    erj@, jhb@
    Sponsored by:   Intel Corporation
    Differential Revision:  https://reviews.freebsd.org/D40557

    (cherry picked from commit a52f23f4c49e4766fb9eb0bf460cc83c5f63f17d)

 sys/net/iflib.c | 6 ++++++
 1 file changed, 6 insertions(+)

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