[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, 06 Aug 2021 10:01:06 UTC

--- Comment #10 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit d477a7feed177d0ad5c12bc6e2cce804d427ed38
Author:     Andrey V. Elsukov <ae@FreeBSD.org>
AuthorDate: 2021-08-05 08:51:46 +0000
Commit:     Andrey V. Elsukov <ae@FreeBSD.org>
CommitDate: 2021-08-06 09:57:59 +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
    MFC after:      1 week
    Differential Revision: https://reviews.freebsd.org/D31420

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

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