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AKwUvBxzQrpjXf2oQj/NMnfd01/hfB5pJjcs7emEQvn+v9DdsO8zuLiQo67sp3Bne57x+Jl8K5rV6du5MrJT8ZI=@vger.kernel.org X-Gm-Message-State: AFuF++nosQod7z0sI/gUgYxsuip3pyrtXt7sPTgyav5JZi8mlcbW9iqb RyJB++1VaTuiwo/6W3hVSy+nT0+4kK3o2KV4B36xF72ns3sl6geFcDg5wiGim4cpaTDS4h+Ui8f NpdQMXOa4DNtblSll6FW8HAeBxnJxcYlVJLTneogboizhqhendfh31t0d0lY= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1993:b0:6b7:46e9:9713 with SMTP id 006d021491bc7-6c541f412abmr534020eaf.67.1789368482498; Sun, 13 Sep 2026 23:48:02 -0700 (PDT) Date: Sun, 13 Sep 2026 23:48:02 -0700 In-Reply-To: <6aa7950c.728c0331.7916.0c71SMTPIN_ADDED_BROKEN@gmr-mx.google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6aa798a2.f670cee1.72fc4.0018.GAE@google.com> Subject: Re: [syzbot] [usb?] UBSAN: array-index-out-of-bounds in uea_bind From: syzbot To: jchuang26@m.fudan.edu.cn, 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: UBSAN: array-index-out-of-bounds in uea_bind usb 5-1: device descriptor read/64, error -71 usb 5-1: reset high-speed USB device number 6 using dummy_hcd ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in drivers/usb/atm/ueagle-atm.c:2466:28 index 4 is out of range for type 'bool [4]' CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 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 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x30 lib/ubsan.c:233 __ubsan_handle_out_of_bounds+0xcc/0xf0 lib/ubsan.c:455 uea_bind+0x1014/0x1380 drivers/usb/atm/ueagle-atm.c:2466 usbatm_usb_probe+0x378/0x1b50 drivers/usb/atm/usbatm.c:1058 uea_probe+0x194/0x570 drivers/usb/atm/ueagle-atm.c:2597 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3772 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3772 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695 hub_port_connect drivers/usb/core/hub.c:5567 [inline] hub_port_connect_change drivers/usb/core/hub.c:5707 [inline] port_event drivers/usb/core/hub.c:5871 [inline] hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---[ end trace ]--- Tested on: commit: 762137ff ptp: fc3: register PTP clock after initializa.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=121fc471580000 kernel config: https://syzkaller.appspot.com/x/.config?x=5d652488f63e96fd dashboard link: https://syzkaller.appspot.com/bug?extid=92f5bf49bf4ac75223ca compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 Note: no patches were applied.