From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo2-f5.google.com (mail-oo2-f5.google.com [74.125.231.133]) (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 7C3A5550DCE for ; Tue, 22 Sep 2026 15:02:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.231.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790089377; cv=none; b=f/PvjNj0OXCtyumo/16dmtLC2E59Ol1t4VTte2+J20Wu4ZA1pziR1LkEk5JE32q78XI0i9+LX+YDb8Z8Ng1X8FiYHE5DEjaP0q+tM3m7PoErlG2KWp5KmldmsM7L3IU9XMc6RWXMyTKZcgLdVhYvzNd5vk/MrwFeWBYMWx4d/30= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790089377; c=relaxed/simple; bh=YQ7ys8Y0eaSHGJp2vboFfSiYHINwTd2XD0CWPFDYwK0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=owjSu/ijfbgYEF2UXuG7WdRDzpIR582NMS7+icA89oo7aNzahzgJukszxO0Ow/cD1dQ8XKWDpSezDIIRvLG18hb9lNmaoxmgxcII4KRX7f/N1hLEJn1Vm5VDBAfe28txUkThAwJZQHJfLq+z6YqF5ZYVIEtfm5jjWr5rBf/z5Qc= 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=74.125.231.133 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-oo2-f5.google.com with SMTP id 006d021491bc7-6c17d3bdc70so1536788eaf.1 for ; Tue, 22 Sep 2026 08:02:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790089374; x=1790694174; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=ArxMwdNqa1Pa4d+hxX0OUt5zftaLEfb4a/34J0DlhTY=; b=G/ufXS4G+LSw+867pELYXxnbZxGogDaS31sysXX7298iS8xbNZcmFg4Q057Be0k/+b d+UX+LPZwHx07p2AzYqRkc3paVOJJT4gENDWb32bfkUJGGldRmkohhhu4TSMgnWvv2LC c2HzR3JBN0sNsTBY8E54Pkg3Pza84uLx1vdps5Tcjezzi4EtPumsyq+K1tVVkDld0Hwg FdmGDRjhEq/xmtyts9WFlF0GYAs5Nc7gad78a/+Gehh4+bPgy2NT1H4eoxKUtyzKP4Ia GTBMBYQyThNHQbT20FgoVZH3bYWMu6GPDFDDNYMyRFjX5rc5Oy1ZLIOfsir5oQLJe+4A X4Bw== X-Forwarded-Encrypted: i=1; AKwUvBy3gKEHE8eS3TjSipKa/1E6WlIhSghUSq3lMdPLEr2cXeKRkqfpX5gQU452XAb+1df/1BgVqCptfPwDWHs=@vger.kernel.org X-Gm-Message-State: AFuF++lLD9FKUQPCedhdwzrjOM/5Ot7XsnBdIhAvuims0FUfXJX00iv0 G3To7rHq1x/xaiuC/t56EUfM1DDueiJiGCpO8Wmzyq/9rXtcp4uNzU6y921XaNguU3anLm1Rp0I 54oVgy+U0T7L6XmQw7Ia/CVtv+nJkMiBmaomzfRsz/idBUG2RRcZHp5dCGik= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:814:b0:6cd:3ffc:ad08 with SMTP id 006d021491bc7-6d191112420mr2308553eaf.88.1790089374284; Tue, 22 Sep 2026 08:02:54 -0700 (PDT) Date: Tue, 22 Sep 2026 08:02:54 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ab2989e.a6af0033.177e91.0021.GAE@google.com> Subject: [syzbot] [net?] [afs?] kernel BUG in rxrpc_purge_client_connections From: syzbot To: davem@davemloft.net, dhowells@redhat.com, edumazet@google.com, horms@kernel.org, kuba@kernel.org, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, marc.dionne@auristor.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: f0100363d8c3 Merge tag 'xfs-fixes-7.3-rc5' of gitolite.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11f20c5e580000 kernel config: https://syzkaller.appspot.com/x/.config?x=7d012d9c67977ee4 dashboard link: https://syzkaller.appspot.com/bug?extid=e2f5927fc701355ef101 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f20c5e580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ae34c9580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-f0100363.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/57240753f5ee/vmlinux-f0100363.xz kernel image: https://storage.googleapis.com/syzbot-assets/2930b9a97546/bzImage-f0100363.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e2f5927fc701355ef101@syzkaller.appspotmail.com rxrpc: AF_RXRPC: Leaked client conn ffff888055bb9000 {1} ------------[ cut here ]------------ kernel BUG at net/rxrpc/conn_client.c:64! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5919 Comm: krxrpcio/4660 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:rxrpc_destroy_client_conn_ids net/rxrpc/conn_client.c:64 [inline] RIP: 0010:rxrpc_purge_client_connections+0xc0/0x1a0 net/rxrpc/conn_client.c:145 Code: 2b 31 db 48 8d 6c 24 28 e8 ed 4b 15 f7 48 89 ee 4c 89 ef 89 5c 24 28 e8 1e 7f d0 00 48 89 c3 48 85 c0 75 73 e8 d1 4b 15 f7 90 <0f> 0b e8 c9 4b 15 f7 31 f6 4c 89 ef e8 4f 5f d5 00 31 ff 89 c3 89 RSP: 0018:ffffc900038e7a80 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888024d3cb00 RSI: ffffffff8af6d6bf RDI: ffff888024d3cb00 RBP: ffffc900038e7aa8 R08: 0000000000000007 R09: 000000007fffffff R10: 000000002bb346e4 R11: 0000000000000001 R12: ffff888055bb9038 R13: ffff888054eb7270 R14: ffff888054eb7038 R15: ffff888038d94180 FS: 0000000000000000(0000) GS:ffff8880d5b53000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000000 CR3: 000000003566e000 CR4: 0000000000352ef0 Call Trace: rxrpc_destroy_local+0x262/0x300 net/rxrpc/local_object.c:451 rxrpc_io_thread+0x2e1a/0x3820 net/rxrpc/io_thread.c:579 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:rxrpc_destroy_client_conn_ids net/rxrpc/conn_client.c:64 [inline] RIP: 0010:rxrpc_purge_client_connections+0xc0/0x1a0 net/rxrpc/conn_client.c:145 Code: 2b 31 db 48 8d 6c 24 28 e8 ed 4b 15 f7 48 89 ee 4c 89 ef 89 5c 24 28 e8 1e 7f d0 00 48 89 c3 48 85 c0 75 73 e8 d1 4b 15 f7 90 <0f> 0b e8 c9 4b 15 f7 31 f6 4c 89 ef e8 4f 5f d5 00 31 ff 89 c3 89 RSP: 0018:ffffc900038e7a80 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888024d3cb00 RSI: ffffffff8af6d6bf RDI: ffff888024d3cb00 RBP: ffffc900038e7aa8 R08: 0000000000000007 R09: 000000007fffffff R10: 000000002bb346e4 R11: 0000000000000001 R12: ffff888055bb9038 R13: ffff888054eb7270 R14: ffff888054eb7038 R15: ffff888038d94180 FS: 0000000000000000(0000) GS:ffff8880d5c53000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33024008 CR3: 000000000eb96000 CR4: 0000000000352ef0 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup