Hello, syzbot found the following issue on: HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14136479180000 kernel config: https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7 dashboard link: https://syzkaller.appspot.com/bug?extid=ac0f9c4cc1e034160492 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0f7abe4afac7/disk-fe46a7dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/82598d09246c/vmlinux-fe46a7dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/efa23788c875/bzImage-fe46a7dd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ac0f9c4cc1e034160492@xxxxxxxxxxxxxxxxxxxxxxxxx input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input8 ------------[ cut here ]------------ URB ffff8880285c2100 submitted while active WARNING: CPU: 1 PID: 5112 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1039/0x18c0 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 5112 Comm: kworker/1:3 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x1039/0x18c0 drivers/usb/core/urb.c:379 Code: 00 eb 66 e8 b9 b2 86 fa e9 79 f0 ff ff e8 af b2 86 fa c6 05 1e 90 63 08 01 90 48 c7 c7 c0 96 4b 8c 4c 89 ee e8 c8 86 49 fa 90 <0f> 0b 90 90 e9 40 f0 ff ff e8 89 b2 86 fa eb 12 e8 82 b2 86 fa 41 RSP: 0018:ffffc90004a0eb48 EFLAGS: 00010246 RAX: e879a53475439e00 RBX: 0000000000000cc0 RCX: 0000000000040000 RDX: ffffc900134bb000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff8880285c2108 R08: ffffffff8157cc12 R09: 1ffff110172a51a2 R10: dffffc0000000000 R11: ffffed10172a51a3 R12: 1ffff11005a65a0a R13: ffff8880285c2100 R14: dffffc0000000000 R15: ffff88802d32d010 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002024 CR3: 0000000068c66000 CR4: 0000000000350ef0 Call Trace: <TASK> cm109_input_open+0x1f9/0x470 drivers/input/misc/cm109.c:572 input_open_device+0x193/0x2e0 drivers/input/input.c:654 kbd_connect+0xe9/0x130 drivers/tty/vt/keyboard.c:1593 input_attach_handler drivers/input/input.c:1064 [inline] input_register_device+0xcfc/0x1090 drivers/input/input.c:2396 cm109_usb_probe+0x10cd/0x1600 drivers/input/misc/cm109.c:806 usb_probe_interface+0x5cd/0xb00 drivers/usb/core/driver.c:399 really_probe+0x2a0/0xc50 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x3e0 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3639 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2207 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254 usb_probe_device+0x140/0x2d0 drivers/usb/core/driver.c:294 really_probe+0x2a0/0xc50 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x3e0 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3639 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2614 hub_port_connect drivers/usb/core/hub.c:5483 [inline] hub_port_connect_change drivers/usb/core/hub.c:5623 [inline] port_event drivers/usb/core/hub.c:5783 [inline] hub_event+0x2d13/0x50f0 drivers/usb/core/hub.c:5865 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa02/0x1770 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 </TASK> --- 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@xxxxxxxxxxxxxxxx. 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 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
