From: syzbot <syzbot+d36d5ae81e1b0a53ef58@syzkaller.appspotmail.com>
To: alexei.starovoitov@gmail.com, andrii@kernel.org, ast@kernel.org,
bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com,
haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org,
kafai.wan@hotmail.com, kafai.wan@linux.dev, kpsingh@kernel.org,
linux-kernel@vger.kernel.org, listout@listout.xyz,
martin.lau@linux.dev, netdev@vger.kernel.org, sdf@fomichev.me,
song@kernel.org, syzkaller-bugs@googlegroups.com,
yonghong.song@linux.dev
Subject: Re: [syzbot] [bpf?] general protection fault in print_reg_state
Date: Mon, 29 Sep 2025 11:23:03 -0700 [thread overview]
Message-ID: <68dace87.050a0220.1696c6.001b.GAE@google.com> (raw)
In-Reply-To: <68d26227.a70a0220.1b52b.02a4.GAE@google.com>
syzbot has bisected this issue to:
commit aced132599b3c8884c050218d4c48eef203678f6
Author: Song Liu <song@kernel.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@syzkaller.appspotmail.com
Fixes: aced132599b3 ("bpf: Add range tracking for BPF_NEG")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
next prev parent reply other threads:[~2025-09-29 18:23 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-23 9:02 [syzbot] [bpf?] general protection fault in print_reg_state syzbot
2025-09-23 16:41 ` [PATCH 1/1] bpf: fix NULL pointer dereference in print_reg_state() Brahmajit Das
2025-10-01 19:17 ` [PATCH v4 0/2] bpf: Fix verifier crash on BPF_NEG with pointer register Brahmajit Das
2025-10-01 19:17 ` [PATCH v4 1/2] bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer Brahmajit Das
2025-10-01 19:32 ` Eduard Zingerman
2025-10-01 19:17 ` [PATCH v4 2/2] selftests/bpf: Add test for BPF_NEG alu on CONST_PTR_TO_MAP Brahmajit Das
2025-10-01 19:33 ` Eduard Zingerman
2025-10-01 21:10 ` [PATCH v4 0/2] bpf: Fix verifier crash on BPF_NEG with pointer register patchwork-bot+netdevbpf
2025-09-23 16:43 ` [PATCH 1/1] bpf: fix NULL pointer dereference in print_reg_state() Brahmajit Das
2025-09-23 18:52 ` Alexei Starovoitov
2025-09-23 17:10 ` Forwarded: [PATCH] " syzbot
2025-09-23 17:47 ` [PATCH v2] " Brahmajit Das
2025-09-24 7:32 ` Alexei Starovoitov
2025-09-24 9:09 ` Brahmajit Das
2025-09-24 15:40 ` Brahmajit Das
2025-09-24 17:28 ` Alexei Starovoitov
2025-09-24 17:38 ` KaFai Wan
2025-09-24 18:28 ` Brahmajit Das
2025-09-25 15:31 ` KaFai Wan
2025-09-26 1:04 ` Brahmajit Das
2025-09-26 1:56 ` Brahmajit Das
2025-09-26 10:36 ` KaFai Wan
2025-09-30 18:21 ` Brahmajit Das
2025-10-01 5:08 ` KaFai Wan
2025-09-29 18:23 ` syzbot [this message]
2025-10-01 9:56 ` [PATCH v3 0/2] bpf: Fix verifier crash on BPF_NEG with pointer register Brahmajit Das
2025-10-01 9:56 ` [PATCH v3 1/2] bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer Brahmajit Das
2025-10-01 16:55 ` Alexei Starovoitov
2025-10-01 18:29 ` Eduard Zingerman
2025-10-01 18:49 ` Brahmajit Das
2025-10-01 18:54 ` Eduard Zingerman
2025-10-01 9:56 ` [PATCH v3 2/2] selftests/bpf: Add test for BPF_NEG alu on CONST_PTR_TO_MAP Brahmajit Das
2025-10-01 18:37 ` Eduard Zingerman
2025-10-01 18:40 ` [PATCH v3 0/2] bpf: Fix verifier crash on BPF_NEG with pointer register Eduard Zingerman
2025-10-01 19:28 ` [PATCH v4 " Brahmajit Das
2025-10-01 19:28 ` [PATCH v4 1/2] bpf: Skip scalar adjustment for BPF_NEG if dst is a pointer Brahmajit Das
2025-10-01 21:10 ` patchwork-bot+netdevbpf
2025-10-01 19:28 ` [PATCH v4 2/2] selftests/bpf: Add test for BPF_NEG alu on CONST_PTR_TO_MAP Brahmajit Das
[not found] <20250923171012.1627266-1-listout@listout.xyz>
2025-09-23 17:30 ` [syzbot] [bpf?] general protection fault in print_reg_state syzbot
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