linux-kernel - Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in bpf_prog

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Message-ID: <00000000000064109905d4c8577b@google.com>
Date:   Tue, 04 Jan 2022 13:30:08 -0800
From:   syzbot <syzbot+bb73e71cf4b8fd376a4f@...kaller.appspotmail.com>
To:     andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        daniel@...earbox.net, davem@...emloft.net, hawk@...nel.org,
        jakub@...udflare.com, john.fastabend@...il.com, kafai@...com,
        kpsingh@...nel.org, kuba@...nel.org, linux-kernel@...r.kernel.org,
        lmb@...udflare.com, netdev@...r.kernel.org, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, yhs@...com
Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Read in bpf_prog_put

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+bb73e71cf4b8fd376a4f@...kaller.appspotmail.com

Tested on:

commit:         e63a0234 Merge git://git.kernel.org/pub/scm/linux/kern..
git tree:       bpf-next
kernel config:  https://syzkaller.appspot.com/x/.config?x=29c60dfdc879c48e
dashboard link: https://syzkaller.appspot.com/bug?extid=bb73e71cf4b8fd376a4f
compiler:       Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13c1d0adb00000

Note: testing is done by a robot and is best-effort only.