From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 9641E60869 for ; Tue, 13 Feb 2024 16:36:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707842183; cv=none; b=UnQVGjuuqR0D9nZTIIZlPqXbqiEkDWJPQfEy9G/stRpgMmGbFDNWLiBdSmzwz9NS106q0XbzWYpcaA1xUJ48tJVnYnysW50Bg1bvIZ4z3d1Ml/UhCbvQ9bUsubbCFKmRyuPpBMrzy1p7jZhEX/mpkJFHfjgIWr/urxiTAjRZsjA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707842183; c=relaxed/simple; bh=2FDm3ttAF0cplLL3xuu7VVfpvDdVrElFHxLmSsDqqZI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=fEXfXqmx3gD/eEvDf3hZwYy8P7g2we9rAg3fBbTeE2cxd1D+wP9M6l469eLF56XjKc+F92t8mz0ZEwKF2bY9UNIH2mQmdpffe+ua2TLX55vo4cowDm7KR01txWvh5FYr3pPPJDeJSrP8fqbEzKy3BVh2iF0kgdEPNKCmd+pUmVM= 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=209.85.166.200 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-il1-f200.google.com with SMTP id e9e14a558f8ab-363cef35a5eso45560995ab.3 for ; Tue, 13 Feb 2024 08:36:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707842180; x=1708446980; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=0vk7mpNCOBboHCDQYxJlsoWwjVXjMoh9NU/9wY7/dKk=; b=YjfdhDLNgDot3HUElUh71AgwVSL7wkXMuhaMCTzvMOAuG61LUQqOz0ublq9tKIneWi 99/7j77Vj5rGSp5D4Mqe4khIsyZ2A6kAd1+pL2xMieiBGg8w4kOtUaHzNFe8yjDmOR1T lJMZsJPqWob16OFio2+WkmX/jbElN3k/+GTkIxafvyl3cEVFV0TZa2qcPHjCLuXlycut PxO/vqpxMkKxik+T7JdIH4Jh9gr2MWa4xhshmVnzP9ZrUqxhD9ywxSoJuT4aDUG+L9Xf cY6FbN4bNFm8dNMLf2XQxMu14jGMIlNFoTKh+xpDKzgx+VI1XhQdciyzD/aZzz7/rN9B xpvg== X-Forwarded-Encrypted: i=1; AJvYcCWddy7C+muL18tBp1gaSVwB0uQncCK4CpSL5er94ecVAzyn2g39tcyJep2QqLvUTdgWi5Nt1dcDbpI8g0PdgaTq4E2CsgfQPCgrTrOF X-Gm-Message-State: AOJu0YxWKbsOVi/YmcThFjNEQ9gYwGNvVpjaZWBY1H7bXDG0J5VqQ0Yk 8xBKGgi3eYCkwZ0HVaQzAMyasja1e1pdxwLJEfE7RcfAnkE28Gv2Vd5uSNROamqIeKdRe0yT2EI 7XJbIfJUNU43uKJLNhp5HEwd4kJm8TrRimwi2nowBZGhODzO7Gy1xgMI= X-Google-Smtp-Source: AGHT+IExRt3NPNZEA81vxIQyi9XfG2G8Xln8xogu3HtHAuKgzewyAotq1FLjb94OdUXTpaZlSiNjbcErGK6SONYK4joREAAjFPgy Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1b8a:b0:363:b9d6:1261 with SMTP id h10-20020a056e021b8a00b00363b9d61261mr5257ili.0.1707842180788; Tue, 13 Feb 2024 08:36:20 -0800 (PST) Date: Tue, 13 Feb 2024 08:36:20 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000084b931061145fe46@google.com> Subject: [syzbot] [bluetooth?] WARNING in ida_free (2) From: syzbot To: johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: c664e16bb1ba Merge tag 'docs-6.8-fixes2' of git://git.lwn... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15ebd7f4180000 kernel config: https://syzkaller.appspot.com/x/.config?x=df82262440d95bc4 dashboard link: https://syzkaller.appspot.com/bug?extid=dfab1425afcdae5ac970 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f832cc180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14ee7970180000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-c664e16b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c838390fdb6c/vmlinux-c664e16b.xz kernel image: https://storage.googleapis.com/syzbot-assets/d25123cb1896/bzImage-c664e16b.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+dfab1425afcdae5ac970@syzkaller.appspotmail.com ------------[ cut here ]------------ ida_free called for id=8192 which is not allocated. WARNING: CPU: 0 PID: 5169 at lib/idr.c:525 ida_free+0x1fb/0x2f0 lib/idr.c:525 Modules linked in: CPU: 0 PID: 5169 Comm: syz-executor420 Not tainted 6.8.0-rc4-syzkaller-00005-gc664e16bb1ba #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:ida_free+0x1fb/0x2f0 lib/idr.c:525 Code: dc f6 41 83 fe 3e 76 73 e8 82 95 dc f6 48 8b 7c 24 28 4c 89 ee e8 55 8f 18 00 90 48 c7 c7 00 7c 5b 8c 89 ee e8 46 ba a0 f6 90 <0f> 0b 90 90 e8 5c 95 dc f6 48 b8 00 00 00 00 00 fc ff df 48 01 c3 RSP: 0018:ffffc90003007a48 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 1ffff92000600f4a RCX: ffffffff814f7499 RDX: ffff88801ccac800 RSI: ffffffff814f74a6 RDI: 0000000000000001 RBP: 0000000000002000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 R13: 0000000000000293 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcad7713f08 CR3: 0000000027a24000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hci_conn_cleanup net/bluetooth/hci_conn.c:157 [inline] hci_conn_del+0x795/0xe20 net/bluetooth/hci_conn.c:1188 hci_conn_hash_flush+0x18f/0x260 net/bluetooth/hci_conn.c:2646 hci_dev_close_sync+0x59b/0x1160 net/bluetooth/hci_sync.c:4954 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:554 hci_unregister_dev+0x1eb/0x600 net/bluetooth/hci_core.c:2739 vhci_release+0x7f/0x100 drivers/bluetooth/hci_vhci.c:674 __fput+0x270/0xb80 fs/file_table.c:376 task_work_run+0x14f/0x250 kernel/task_work.c:180 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xa8a/0x2ad0 kernel/exit.c:871 do_group_exit+0xd4/0x2a0 kernel/exit.c:1020 __do_sys_exit_group kernel/exit.c:1031 [inline] __se_sys_exit_group kernel/exit.c:1029 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1029 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fcad76bb449 Code: Unable to access opcode bytes at 0x7fcad76bb41f. RSP: 002b:00007ffcea444888 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcad76bb449 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fcad77472b0 R08: ffffffffffffffb0 R09: 000000ff00ff3650 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcad77472b0 R13: 0000000000000000 R14: 00007fcad7747d00 R15: 00007fcad7689500 --- 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. 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