[Bug 275515] Out of bounds memory access in siba_bhndb.c

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 05 Dec 2023 18:55:53 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275515

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

URL:
https://cgit.FreeBSD.org/src/commit/?id=4c3aa00c0a0093c78f42d138bb9eef9b1a7cbb39

commit 4c3aa00c0a0093c78f42d138bb9eef9b1a7cbb39
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2023-12-05 18:47:03 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2023-12-05 18:47:03 +0000

    bhnd: Correct the softc size in the siba_bhndb_driver definition

    struct siba_bhndb_softc embeds struct siba_softc and adds an extra
    field, "quirks".  In practice, this bug was harmless since "quirks" is
    unconditionally initialized during driver attach and would have lived in
    the redzone of the softc allocation, but KASAN catches the out-of-bounds
    access.

    PR:             275515
    Reported by:    Frank Hilgendorf <frank.hilgendorf@posteo.de>
    MFC after:      1 week

 sys/dev/bhnd/siba/siba_bhndb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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