usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-1: Product: syz usb 3-1: Manufacturer: syz usb 3-1: SerialNumber: syz usb 3-1: config 0 descriptor?? usb-storage 3-1:0.0: USB Mass Storage device detected ------------[ cut here ]------------ proc_dir_entry 'scsi/usb-storage' already registered WARNING: CPU: 0 PID: 7 at fs/proc/generic.c:377 proc_register+0x347/0x4e0 fs/proc/generic.c:376 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:proc_register+0x347/0x4e0 fs/proc/generic.c:376 Code: 7c 24 08 4c 8b 64 24 28 48 8b 6c 24 20 74 08 48 89 ef e8 6c 18 cc ff 48 8b 55 00 48 c7 c7 80 8f fb 8a 48 89 de e8 89 49 3e ff <0f> 0b 48 c7 c7 c0 44 07 8d e8 3b db 77 08 48 8b 44 24 30 42 0f b6 RSP: 0018:ffffc900000c6a68 EFLAGS: 00010246 RAX: 9858d42ff22e7700 RBX: ffff88801a2a20e4 RCX: ffff88813fe1bb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888028f1be98 R08: ffffffff81523d7e R09: fffff52000018d05 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888028f1be54 R13: 000000000000000b R14: dffffc0000000000 R15: ffff888028f1bdc0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febd3e948b0 CR3: 0000000014fa3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: _proc_mkdir fs/proc/generic.c:498 [inline] proc_mkdir_data fs/proc/generic.c:507 [inline] proc_mkdir+0x138/0x180 fs/proc/generic.c:521 scsi_proc_hostdir_add+0xc5/0x150 drivers/scsi/scsi_proc.c:108 scsi_host_alloc+0xa26/0xe70 drivers/scsi/hosts.c:521 usb_stor_probe1+0x46/0x1a50 drivers/usb/storage/usb.c:952 storage_probe+0x3fd/0x1070 drivers/usb/storage/usb.c:1134 usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:783 driver_probe_device+0x50/0x420 drivers/base/dd.c:813 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:941 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:1013 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3664 usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x84/0x140 drivers/usb/core/generic.c:238 usb_probe_device+0x130/0x260 drivers/usb/core/driver.c:293 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:783 driver_probe_device+0x50/0x420 drivers/base/dd.c:813 __device_attach_driver+0x2cf/0x510 drivers/base/dd.c:941 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:1013 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3664 usb_new_device+0xbdd/0x18e0 drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5355 [inline] hub_port_connect_change drivers/usb/core/hub.c:5499 [inline] port_event drivers/usb/core/hub.c:5655 [inline] hub_event+0x2d4d/0x57b0 drivers/usb/core/hub.c:5737 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306