netdev - Re: [syzbot] [bpf?] general protection fault in print_reg

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Message-ID: <68dace87.050a0220.1696c6.001b.GAE@google.com>
Date: Mon, 29 Sep 2025 11:23:03 -0700
From: syzbot <syzbot+d36d5ae81e1b0a53ef58@...kaller.appspotmail.com>
To: alexei.starovoitov@...il.com, andrii@...nel.org, ast@...nel.org, 
	bpf@...r.kernel.org, daniel@...earbox.net, eddyz87@...il.com, 
	haoluo@...gle.com, john.fastabend@...il.com, jolsa@...nel.org, 
	kafai.wan@...mail.com, kafai.wan@...ux.dev, kpsingh@...nel.org, 
	linux-kernel@...r.kernel.org, listout@...tout.xyz, martin.lau@...ux.dev, 
	netdev@...r.kernel.org, sdf@...ichev.me, song@...nel.org, 
	syzkaller-bugs@...glegroups.com, yonghong.song@...ux.dev
Subject: Re: [syzbot] [bpf?] general protection fault in print_reg_state

syzbot has bisected this issue to:

commit aced132599b3c8884c050218d4c48eef203678f6
Author: Song Liu <song@...nel.org>
Date:   Wed Jun 25 16:40:24 2025 +0000

    bpf: Add range tracking for BPF_NEG

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13931ae2580000
start commit:   bf40f4b87761 Merge tag 'probes-fixes-v6.17-rc7' of git://g..
git tree:       bpf
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10531ae2580000
console output: https://syzkaller.appspot.com/x/log.txt?x=17931ae2580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4d8792ecb6308d0f
dashboard link: https://syzkaller.appspot.com/bug?extid=d36d5ae81e1b0a53ef58
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16010942580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12caeae2580000

Reported-by: syzbot+d36d5ae81e1b0a53ef58@...kaller.appspotmail.com
Fixes: aced132599b3 ("bpf: Add range tracking for BPF_NEG")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection