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AHgh+Rpy8nlE8awJGxTv+RQ/XmfrO/gLIgVlTrEW9CEWQ8XbxATRxVfQSOvbG6777GOdI6lmVeZglLwEKAg=@vger.kernel.org X-Gm-Message-State: AOJu0YxdGU7Ob1cJKDqLzfUGGdeYj/8DqZ51YoOhhYGBBzswY/1Hd+xn y3B/eFRY3+X7d57CP19qT6ZUdbxutTcgAlDLV0kilRBs4hKnSaGlhSPH0RcIjYlvGJU6Y9ZH9O5 PMbrjKUAvHQV2+ivXaMyYSlWY6+i5vPAI0QqcOkdYdCUgRpMWoqRE9flcI30= Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:19aa:b0:4a4:c12:ee68 with SMTP id 5614622812f47-4af5e1b213fmr3899023b6e.10.1785545080361; Fri, 31 Jul 2026 17:44:40 -0700 (PDT) Date: Fri, 31 Jul 2026 17:44:40 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a6d4178.13bfb6d0.1ecdd5.0256.GAE@google.com> Subject: [syzbot] [usb?] UBSAN: array-index-out-of-bounds in uea_bind From: syzbot To: 3chas3@gmail.com, castet.matthieu@free.fr, gregkh@linuxfoundation.org, linux-atm-general@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, stf_xl@wp.pl, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 3708dd948844 Merge tag 'pm-7.2-rc6' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14ff71b9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=145fa60d73086782 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 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11a0a5b9580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12ff71b9580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-3708dd94.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/57f69e2a6e3b/vmlinux-3708dd94.xz kernel image: https://storage.googleapis.com/syzbot-assets/3511d4246fb6/bzImage-3708dd94.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+92f5bf49bf4ac75223ca@syzkaller.appspotmail.com usb 5-1: reset high-speed USB device number 6 using dummy_hcd 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: 2 UID: 0 PID: 847 Comm: kworker/2:2 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 ]--- --- 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