[Bug 288895] panic: exclusive sleep mutex pfsync ... locked @ /usr/src/sys/netpfil/pf/if_pfsync.c:3014

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 18 Aug 2025 11:52:28 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288895

--- Comment #4 from Kristof Provost <kp@freebsd.org> ---
Mark is probably correct that this is an alignment problem on armv7.

The backtrace also indicates the problem is more likely in in6_selectsrc_addr()
than in the pfsync code.

I don't have any armv7 hardware, and given armv7's status I'm not expecting to
spend any time on this.

The problem might be the 'dst_sa.sin6_addr = *dst;' line, which might be
corrected by doing a memcpy/bcopy instead, but again, I can't test this and
it's only going to fix a single instance of this class of problem.

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