linux-kernel - Re: [syzbot] [wireguard?] [jfs?] KASAN: slab-use-after-free Read in wg_noise_keypair

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Message-ID: <CAHmME9reBny-ufJp58uOg+KdMptircBRhLFd-N2KwxNUp6myTA@mail.gmail.com>
Date:   Tue, 18 Jul 2023 19:57:22 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     syzbot <syzbot+96eb4e0d727f0ae998a6@...kaller.appspotmail.com>
Cc:     broonie@...nel.org, davem@...emloft.net, edumazet@...gle.com,
        jfs-discussion@...ts.sourceforge.net, kuba@...nel.org,
        kuninori.morimoto.gx@...esas.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        pabeni@...hat.com, povik+lin@...ebit.org, shaggy@...nel.org,
        syzkaller-bugs@...glegroups.com, wireguard@...ts.zx2c4.com
Subject: Re: [syzbot] [wireguard?] [jfs?] KASAN: slab-use-after-free Read in wg_noise_keypair_get

Freed in:

 diUnmount+0xf3/0x100 fs/jfs/jfs_imap.c:195
 jfs_umount+0x186/0x3a0 fs/jfs/jfs_umount.c:63
 jfs_put_super+0x8a/0x190 fs/jfs/super.c:194

So maybe not a wg issue?