[Bug 257302] net/syncthing: Panic in in6_getmulti at /usr/src/sys/netinet6/in6_mcast.c:451

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 13 Aug 2021 07:39:20 UTC

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


commit 6144be57c0ab08ddeb1a729f698f0997fe142b96
Author:     Andrey V. Elsukov <ae@FreeBSD.org>
AuthorDate: 2021-08-05 08:51:46 +0000
Commit:     Andrey V. Elsukov <ae@FreeBSD.org>
CommitDate: 2021-08-13 07:37:39 +0000

    Fix panic in IPv6 multicast code.

    Add check that ifp supports IPv6 multicasts in in6_getmulti.
    This fixes panic when user application tries to join into multicast
    group on an interface that doesn't support IPv6 multicasts, like
    IFT_PFLOG interfaces.

    PR:             257302
    Reviewed by:    melifaro
    Differential Revision: https://reviews.freebsd.org/D31420

    (cherry picked from commit d477a7feed177d0ad5c12bc6e2cce804d427ed38)

 sys/netinet6/in6_mcast.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

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