From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 2ABFF1CD23 for ; Sat, 17 Feb 2024 11:23:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708168986; cv=none; b=XwWKbCtuoA07vO2+EJyhTaS0ReJwUBnp4lG7/8MuZZ5ohrNJI8YZNClqWCTFb4Uj+3nJSEyqLkjZvJsjQoTf6qexU1+ogoa3qpxglfYG6LglwY1y2SwVoI9lGsVYK7gaEW0ZgK0NhnwYiuSqP/3/cTTxx4mkOJMEjgeX/Ba25v8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708168986; c=relaxed/simple; bh=tMQKrR0rm7HiGth+JlKNoIUuA6/YBioKTR8TCU6T6UY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=j9fchYSc580/R/F+PcMaCl2nXD+2wxn8HseVPk94SpdUTdP9/VSqQIOYSrmaIULm1ABexiFVvTFT5T7mfALyU02v9R7apwK+uhjVcOevuz0fGz6GM0sn9OBV4sHwS5ZhTy/f1snLN07P7mPZUoNYaW8rEdweijNVpLkU6alT5oQ= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-7bfeae6a263so172136839f.2 for ; Sat, 17 Feb 2024 03:23:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708168983; x=1708773783; h=content-transfer-encoding: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=NDlzEfjMcMjYU6gDxUrc3RhekDh2TAxT4/Rpj+doU2E=; b=JIAyeWiXGIC9l88zkNaA0yRm70a+t+NuQ0bKdQCtNswPcqN3kAADe8VOXbudretEVp DeF4qgQtcP70jEeAey4bBkcKFgKMdhWtlYTpTCtjnmEkrVyO4dHthkeq6jLokrXYm9CE FYV/bvSYSNX1WNd/upE7JwBb4nwWsNFs6/Q1VjlkubSKAh0j8eyszffoA5BZ2qHn54kD uX6KRl1sPslyGFsZ3inN6nDcXJtvMCDJ5aKOHsksMj/kFcxKMRuhDHUp1hyzpi3rAEZF dqVxNW1jedxmtZ/4oh6HC988JBA34j8bWbYEYlU+s0ht8k5vlCyBoZ7q5GwN6E39KddB UCeg== X-Forwarded-Encrypted: i=1; AJvYcCX4jKOeW+a5RS1WewCMtcZKx/WYKRdBr/BD27jUS4ZNdwRGoCj7QC3oKtG4sPNB9XzvaJQpV612XZcDFNNl49lc1rtAsJFQBgTXnCv1 X-Gm-Message-State: AOJu0Ywig4aOsJvNpaX8w7TYJnuObW6O/bLQ1jzocPTIQWWVJbhIeyw2 FOUCEW4wAtYGytWrWz9fHSggzGz9vHf2bUwN6UhIqL4us+b5R2tPOIqC9Pajy2p2bes0yIZWxud vrn7P2U7EUHgBPZlokry2lE2nLmwKIUq7WTYdjs+DTv9Yb7btDM1CF0s= X-Google-Smtp-Source: AGHT+IH20x6EfwBj//pm1jybOk2D6Hd3ZX8otHlfIrKsZuABtwi5ydUJBUeqwBeSefL4J93T/trWUyxJRz7FlnxF4bWZIcGpcLb9 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:b2e:b0:363:cdfb:7fd1 with SMTP id e14-20020a056e020b2e00b00363cdfb7fd1mr554072ilu.1.1708168983334; Sat, 17 Feb 2024 03:23:03 -0800 (PST) Date: Sat, 17 Feb 2024 03:23:03 -0800 In-Reply-To: <20240217105742.1194-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000077d62606119215ff@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Write in hci_conn_drop (2) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: st device registered (name=3Dvmci, major=3D10, minor=3D118) [ 7.646156][ T1] Initialized host personality [ 7.647936][ T1] usbcore: registered new interface driver rtsx_usb [ 7.649988][ T1] usbcore: registered new interface driver viperboard [ 7.651838][ T1] usbcore: registered new interface driver dln2 [ 7.653834][ T1] usbcore: registered new interface driver pn533_usb [ 7.664347][ T1] nfcsim 0.2 initialized [ 7.665691][ T1] usbcore: registered new interface driver port100 [ 7.668533][ T1] usbcore: registered new interface driver nfcmrvl [ 7.675630][ T1] Loading iSCSI transport class v2.0-870. [ 7.698216][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 7.709913][ T1] ------------[ cut here ]------------ [ 7.711179][ T1] refcount_t: decrement hit 0; leaking memory. [ 7.712836][ T1] WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount= _warn_saturate+0xfa/0x1d0 [ 7.715358][ T1] Modules linked in: [ 7.716481][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc4-= next-20240216-syzkaller-07658-gd37e1e4c52bc-dirty #0 [ 7.719681][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 01/25/2024 [ 7.722153][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 7.723825][ T1] Code: b2 00 00 00 e8 b7 94 f0 fc 5b 5d c3 cc cc cc c= c e8 ab 94 f0 fc c6 05 c6 16 ce 0a 01 90 48 c7 c7 a0 5a fe 8b e8 67 69 b4 f= c 90 <0f> 0b 90 90 eb d9 e8 8b 94 f0 fc c6 05 a3 16 ce 0a 01 90 48 c7 c7 [ 7.728144][ T1] RSP: 0000:ffffc90000066e10 EFLAGS: 00010246 [ 7.729780][ T1] RAX: ca34bf339345e800 RBX: ffff888020eb0f4c RCX: fff= f8880162d8000 [ 7.731521][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 7.733264][ T1] RBP: 0000000000000004 R08: ffffffff8157b942 R09: fff= ffbfff1bf95cc [ 7.735392][ T1] R10: dffffc0000000000 R11: fffffbfff1bf95cc R12: fff= fea000502ddc0 [ 7.737235][ T1] R13: ffffea000502ddc8 R14: 1ffffd4000a05bb9 R15: 000= 0000000000000 [ 7.738734][ T1] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000= ) knlGS:0000000000000000 [ 7.741305][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.742963][ T1] CR2: ffff88823ffff000 CR3: 000000000df32000 CR4: 000= 00000003506f0 [ 7.744872][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 7.746542][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 7.749418][ T1] Call Trace: [ 7.750267][ T1] [ 7.750946][ T1] ? __warn+0x163/0x4b0 [ 7.751918][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.752945][ T1] ? report_bug+0x2b3/0x500 [ 7.754131][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.755275][ T1] ? handle_bug+0x3e/0x70 [ 7.756610][ T1] ? exc_invalid_op+0x1a/0x50 [ 7.757756][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 7.759043][ T1] ? __warn_printk+0x292/0x360 [ 7.760038][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.761095][ T1] __free_pages_ok+0xc42/0xd70 [ 7.761887][ T1] make_alloc_exact+0xc4/0x140 [ 7.762733][ T1] vring_alloc_queue_split+0x20a/0x600 [ 7.763909][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 7.765171][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 7.765822][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 7.766497][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 7.767234][ T1] ? really_probe+0x29e/0xc50 [ 7.767992][ T1] ? driver_probe_device+0x50/0x430 [ 7.769193][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 7.770403][ T1] ? ret_from_fork+0x4b/0x80 [ 7.771350][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 7.772638][ T1] vring_create_virtqueue+0xca/0x110 [ 7.773683][ T1] ? __pfx_vp_notify+0x10/0x10 [ 7.774585][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.775665][ T1] setup_vq+0xe9/0x2d0 [ 7.776917][ T1] ? __pfx_vp_notify+0x10/0x10 [ 7.778204][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.779467][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.781403][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.782743][ T1] vp_setup_vq+0xbf/0x330 [ 7.783647][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 7.784936][ T1] ? ioread16+0x2f/0x90 [ 7.785529][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.786299][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 7.787023][ T1] vp_find_vqs+0x4c/0x4e0 [ 7.788532][ T1] virtscsi_init+0x8db/0xd00 [ 7.790004][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 7.790970][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 7.792125][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 7.793057][ T1] ? vp_get+0xfd/0x140 [ 7.793938][ T1] virtscsi_probe+0x3ea/0xf60 [ 7.794992][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 7.795946][ T1] ? kernfs_add_one+0x156/0x8b0 [ 7.796940][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 7.798029][ T1] ? virtio_features_ok+0x10c/0x270 [ 7.799045][ T1] virtio_dev_probe+0x991/0xaf0 [ 7.800155][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 7.801103][ T1] really_probe+0x29e/0xc50 [ 7.802608][ T1] __driver_probe_device+0x1a2/0x3e0 [ 7.803793][ T1] driver_probe_device+0x50/0x430 [ 7.804857][ T1] __driver_attach+0x45f/0x710 [ 7.805550][ T1] ? __pfx___driver_attach+0x10/0x10 [ 7.806333][ T1] bus_for_each_dev+0x239/0x2b0 [ 7.807759][ T1] ? __pfx___driver_attach+0x10/0x10 [ 7.808888][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 7.809993][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 7.811278][ T1] bus_add_driver+0x347/0x620 [ 7.812206][ T1] driver_register+0x23a/0x320 [ 7.813748][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.815079][ T1] virtio_scsi_init+0x65/0xe0 [ 7.816135][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.817203][ T1] do_one_initcall+0x238/0x830 [ 7.818686][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.819999][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.821171][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 7.822983][ T1] ? __pfx_parse_args+0x10/0x10 [ 7.823803][ T1] ? do_initcalls+0x1c/0x80 [ 7.825039][ T1] ? rcu_is_watching+0x15/0xb0 [ 7.825767][ T1] do_initcall_level+0x157/0x210 [ 7.827178][ T1] do_initcalls+0x3f/0x80 [ 7.828780][ T1] kernel_init_freeable+0x435/0x5d0 [ 7.829898][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 7.831154][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.833103][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.834732][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.835783][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.836738][ T1] kernel_init+0x1d/0x2b0 [ 7.837904][ T1] ret_from_fork+0x4b/0x80 [ 7.838532][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.839490][ T1] ret_from_fork_asm+0x1a/0x30 [ 7.840865][ T1] [ 7.842221][ T1] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 7.844095][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0-rc4-= next-20240216-syzkaller-07658-gd37e1e4c52bc-dirty #0 [ 7.844711][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 01/25/2024 [ 7.844711][ T1] Call Trace: [ 7.844711][ T1] [ 7.844711][ T1] dump_stack_lvl+0x241/0x360 [ 7.844711][ T1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 7.844711][ T1] ? __pfx__printk+0x10/0x10 [ 7.844711][ T1] ? _printk+0xd5/0x120 [ 7.844711][ T1] ? vscnprintf+0x5d/0x90 [ 7.844711][ T1] panic+0x349/0x860 [ 7.844711][ T1] ? __warn+0x172/0x4b0 [ 7.844711][ T1] ? __pfx_panic+0x10/0x10 [ 7.844711][ T1] ? show_trace_log_lvl+0x4e6/0x520 [ 7.844711][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 7.844711][ T1] __warn+0x31e/0x4b0 [ 7.844711][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.844711][ T1] report_bug+0x2b3/0x500 [ 7.844711][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 7.844711][ T1] handle_bug+0x3e/0x70 [ 7.844711][ T1] exc_invalid_op+0x1a/0x50 [ 7.844711][ T1] asm_exc_invalid_op+0x1a/0x20 [ 7.844711][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 7.844711][ T1] Code: b2 00 00 00 e8 b7 94 f0 fc 5b 5d c3 cc cc cc c= c e8 ab 94 f0 fc c6 05 c6 16 ce 0a 01 90 48 c7 c7 a0 5a fe 8b e8 67 69 b4 f= c 90 <0f> 0b 90 90 eb d9 e8 8b 94 f0 fc c6 05 a3 16 ce 0a 01 90 48 c7 c7 [ 7.844711][ T1] RSP: 0000:ffffc90000066e10 EFLAGS: 00010246 [ 7.844711][ T1] RAX: ca34bf339345e800 RBX: ffff888020eb0f4c RCX: fff= f8880162d8000 [ 7.844711][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 7.844711][ T1] RBP: 0000000000000004 R08: ffffffff8157b942 R09: fff= ffbfff1bf95cc [ 7.844711][ T1] R10: dffffc0000000000 R11: fffffbfff1bf95cc R12: fff= fea000502ddc0 [ 7.844711][ T1] R13: ffffea000502ddc8 R14: 1ffffd4000a05bb9 R15: 000= 0000000000000 [ 7.844711][ T1] ? __warn_printk+0x292/0x360 [ 7.844711][ T1] __free_pages_ok+0xc42/0xd70 [ 7.844711][ T1] make_alloc_exact+0xc4/0x140 [ 7.844711][ T1] vring_alloc_queue_split+0x20a/0x600 [ 7.844711][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 7.844711][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 7.844711][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 7.844711][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 7.844711][ T1] ? really_probe+0x29e/0xc50 [ 7.844711][ T1] ? driver_probe_device+0x50/0x430 [ 7.844711][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 7.844711][ T1] ? ret_from_fork+0x4b/0x80 [ 7.844711][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 7.844711][ T1] vring_create_virtqueue+0xca/0x110 [ 7.844711][ T1] ? __pfx_vp_notify+0x10/0x10 [ 7.894210][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.894210][ T1] setup_vq+0xe9/0x2d0 [ 7.894210][ T1] ? __pfx_vp_notify+0x10/0x10 [ 7.894210][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.894210][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.894210][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.894210][ T1] vp_setup_vq+0xbf/0x330 [ 7.894210][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 7.894210][ T1] ? ioread16+0x2f/0x90 [ 7.894210][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 7.894210][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 7.894210][ T1] vp_find_vqs+0x4c/0x4e0 [ 7.894210][ T1] virtscsi_init+0x8db/0xd00 [ 7.894210][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 7.894210][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 7.894210][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 7.894210][ T1] ? vp_get+0xfd/0x140 [ 7.894210][ T1] virtscsi_probe+0x3ea/0xf60 [ 7.894210][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 7.894210][ T1] ? kernfs_add_one+0x156/0x8b0 [ 7.894210][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 7.894210][ T1] ? virtio_features_ok+0x10c/0x270 [ 7.894210][ T1] virtio_dev_probe+0x991/0xaf0 [ 7.894210][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 7.894210][ T1] really_probe+0x29e/0xc50 [ 7.894210][ T1] __driver_probe_device+0x1a2/0x3e0 [ 7.894210][ T1] driver_probe_device+0x50/0x430 [ 7.894210][ T1] __driver_attach+0x45f/0x710 [ 7.894210][ T1] ? __pfx___driver_attach+0x10/0x10 [ 7.894210][ T1] bus_for_each_dev+0x239/0x2b0 [ 7.894210][ T1] ? __pfx___driver_attach+0x10/0x10 [ 7.894210][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 7.894210][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 7.894210][ T1] bus_add_driver+0x347/0x620 [ 7.894210][ T1] driver_register+0x23a/0x320 [ 7.894210][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.894210][ T1] virtio_scsi_init+0x65/0xe0 [ 7.894210][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.894210][ T1] do_one_initcall+0x238/0x830 [ 7.894210][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 7.894210][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.894210][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 7.894210][ T1] ? __pfx_parse_args+0x10/0x10 [ 7.894210][ T1] ? do_initcalls+0x1c/0x80 [ 7.894210][ T1] ? rcu_is_watching+0x15/0xb0 [ 7.894210][ T1] do_initcall_level+0x157/0x210 [ 7.894210][ T1] do_initcalls+0x3f/0x80 [ 7.894210][ T1] kernel_init_freeable+0x435/0x5d0 [ 7.894210][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 7.894210][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 7.894210][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.894210][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.894210][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.894210][ T1] kernel_init+0x1d/0x2b0 [ 7.894210][ T1] ret_from_fork+0x4b/0x80 [ 7.894210][ T1] ? __pfx_kernel_init+0x10/0x10 [ 7.894210][ T1] ret_from_fork_asm+0x1a/0x30 [ 7.894210][ T1] [ 7.894210][ T1] Kernel Offset: disabled [ 7.894210][ T1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.21.4' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build2616846364=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at 578f75388 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:32: run command via tools/syz-env for best compatibility, see: Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D578f753887693e1375d17cf79dc1c575f6032a5d -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240215-140143'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D578f753887693e1375d17cf79dc1c575f6032a5d -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240215-140143'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D578f753887693e1375d17cf79dc1c575f6032a5d -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240215-140143'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress= github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -fpermissive -w -DGOOS_linux=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"578f753887693e1375d17cf79dc1c575f6= 032a5d\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D10615fc8180000 Tested on: commit: d37e1e4c Add linux-next specific files for 20240216 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-= next.git master kernel config: https://syzkaller.appspot.com/x/.config?x=3D4bc446d42a7d56c= 0 dashboard link: https://syzkaller.appspot.com/bug?extid=3D1683f76f1b20b826d= e67 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D13dd25d01800= 00