From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D9101258EE9 for ; Sat, 6 Dec 2025 02:28:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764988085; cv=none; b=KsOPJ7DQt2WvS2ncfxUZ9I4MjsMv9z0KBgxPiCz/muEJDpfqKuAhAlfMGcp5tmqSarhn59VqVTIJ0ZkJBWqXL0jDKQoKqq2rdPr0Pd9XtZj1nMeNR1QgRRt2+FnKwBU5TFr3N+he1MRG7KKSQ1gHQMLp51OV94MzcLpOPUtXtRI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764988085; c=relaxed/simple; bh=ssc9Q8ifR9BMCd/3NvTINPv0mvq1nnowlU2B6pj1DrM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Eke/6rzNgxLE+fSEzTY/cNEoplCyJHATVEFQRUzAT5wQwEIVEmvh4KblOioAlejIbASHOx+XBY1OOnUX+b3L0EbxdAgPdVFTrk/WMN5JDWkvR66HfWGuy9ikaffBtrQZMqXilSrrxlih53Ff4ebZq0vICIjFbW2dJLN92ZQBfNI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f69.google.com with SMTP id 46e09a7af769-7c6ce3b9fa0so2854643a34.0 for ; Fri, 05 Dec 2025 18:28:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764988083; x=1765592883; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=O7vom8BkJc9xzN5BMpTSQPCbYjRuBTGjEQlAt/WR3ec=; b=v8ZwjLDdddiP1s11/Invu/w6bg+8JS4iBQnuPyNhqtuQJRqKVzk47sTNAq/5TfhzhV DKXmCkSnDdXjw3MpEnOBpFevJZi5XjIleXBJG/vXrX+x9RVmS+Q5RMXdClTHBxktFcX9 k2es5MDt2npJw3227xv83imrk1Vl/XEUYEgAj0h1eYT22tIw5NbGXov3IWD59o/cTFOd okI4ukN1krlo7LPpTaMnSR2Q/PZqVxhAEM+WlnFHs5TbQo6D4Rh5MlfkqipXy9cZD4Or Q2bLqS3xlTspSX0KebwAc2JJQ/Dhr95Hkm50D6vW41PWxN+Ra0PLI36usbc5eViUVqLz 3EGQ== X-Forwarded-Encrypted: i=1; AJvYcCWMwVxF5K2SXh+hxN9TyaOwQpHFoCCCWshpCwVD5MZX7/s7du8InqQe3Ow/r6tc+/ZOB4+ag2KmckpykLE=@vger.kernel.org X-Gm-Message-State: AOJu0YzexyczC8UzjA6jZTJXTRCQOKwfQdrCjoC2ganDDcAIUDqzKg3B y6/GFEhILMtKvXWNOEGpjrFWvaF5lPgnUvB5HUEvL8fzZixU2vrOCQWCjWbniP/RwZWTVREswcv LkJBWsVDSjvVn0i5qsXrxaqFk9ifEW7tefeeCKHAT7eiAg5dB0LSs5hVSxYA= X-Google-Smtp-Source: AGHT+IEHqchr0StwjRQbvRtZotooclQhKIJlBCH/0wn3wMoXh9Kk8gL8aLOhey7OFuV04O/vFPdTFDmwmoe0kLQ28nvotLRinemz Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2201:b0:659:9a49:8e46 with SMTP id 006d021491bc7-6599a8c5425mr507857eaf.22.1764988082973; Fri, 05 Dec 2025 18:28:02 -0800 (PST) Date: Fri, 05 Dec 2025 18:28:02 -0800 In-Reply-To: <20251206015802.1917017-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <693394b2.050a0220.3a66f.0008.GAE@google.com> Subject: Re: [syzbot] [f2fs?] INFO: task hung in f2fs_release_file (3) From: syzbot To: kartikey406@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in ip6_pol_route ------------[ cut here ]------------ kernel BUG at net/ipv6/route.c:1473! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1473 [inline] RIP: 0010:ip6_pol_route+0x117d/0x1180 net/ipv6/route.c:2305 Code: a7 f8 e9 f4 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fb ff ff 48 89 df e8 ce 64 a7 f8 e9 f6 fa ff ff e8 14 05 45 f8 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e RSP: 0018:ffffc90000a5f0a0 EFLAGS: 00010293 RAX: ffffffff897b2cfc RBX: ffff888126e52000 RCX: ffff88801be9dac0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a5f1b0 R08: ffffe8ffffd762cf R09: 1ffffd1ffffaec59 R10: dffffc0000000000 R11: fffff91ffffaec5a R12: ffff888035c06780 R13: ffffffff897b1ce2 R14: dffffc0000000000 R15: 0000607ed8f242c8 FS: 0000000000000000(0000) GS:ffff888126e52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9378335c0 CR3: 00000000379f0000 CR4: 00000000003526f0 Call Trace: pol_lookup_func include/net/ip6_fib.h:617 [inline] fib6_rule_lookup+0x1fc/0x6f0 net/ipv6/fib6_rules.c:120 ip6_route_output_flags_noref net/ipv6/route.c:2684 [inline] ip6_route_output_flags+0x364/0x5d0 net/ipv6/route.c:2696 ip6_dst_lookup_tail+0x299/0x1510 net/ipv6/ip6_output.c:1169 ip6_dst_lookup_flow+0x47/0xe0 net/ipv6/ip6_output.c:1272 send6+0x4ce/0x8d0 drivers/net/wireguard/socket.c:139 wg_socket_send_skb_to_peer+0x128/0x200 drivers/net/wireguard/socket.c:178 wg_packet_send_handshake_response+0x195/0x2d0 drivers/net/wireguard/send.c:103 process_one_work kernel/workqueue.c:3257 [inline] process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:rt6_make_pcpu_route net/ipv6/route.c:1473 [inline] RIP: 0010:ip6_pol_route+0x117d/0x1180 net/ipv6/route.c:2305 Code: a7 f8 e9 f4 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fb ff ff 48 89 df e8 ce 64 a7 f8 e9 f6 fa ff ff e8 14 05 45 f8 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e RSP: 0018:ffffc90000a5f0a0 EFLAGS: 00010293 RAX: ffffffff897b2cfc RBX: ffff888126e52000 RCX: ffff88801be9dac0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a5f1b0 R08: ffffe8ffffd762cf R09: 1ffffd1ffffaec59 R10: dffffc0000000000 R11: fffff91ffffaec5a R12: ffff888035c06780 R13: ffffffff897b1ce2 R14: dffffc0000000000 R15: 0000607ed8f242c8 FS: 0000000000000000(0000) GS:ffff888126e52000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055630cf94a38 CR3: 00000000273ba000 CR4: 00000000003526f0 Tested on: commit: 3af870ae nfs/localio: fix regression due to out-of-ord.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12e3fcc2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=83a7cfc766b11a4f dashboard link: https://syzkaller.appspot.com/bug?extid=4235e4d7b6fd75704528 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=17868992580000