ums-sddr09 5-1:1.0: USB Mass Storage device detected ------------[ cut here ]------------ proc_dir_entry 'scsi/ums-sddr09' already registered WARNING: CPU: 1 PID: 10745 at fs/proc/generic.c:377 proc_register+0x347/0x4e0 fs/proc/generic.c:376 Modules linked in: CPU: 1 PID: 10745 Comm: kworker/1:16 Not tainted 5.15.135-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 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 0c b2 d0 ff 48 8b 55 00 48 c7 c7 c0 0d 99 8a 48 89 de e8 a9 ba 52 ff <0f> 0b 48 c7 c7 40 a5 a4 8c e8 5b c0 2c 08 48 8b 44 24 30 42 0f b6 RSP: 0018:ffffc900106aeb88 EFLAGS: 00010246 RAX: 7bcd3ca776b07b00 RBX: ffff8881421c34a4 RCX: 0000000000040000 RDX: ffffc9000f38c000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff88807c88c0d8 R08: ffffffff8166587c R09: fffff520020d5cb1 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c88c094 R13: 000000000000000a R14: dffffc0000000000 R15: ffff88807c88c000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f857f5b0198 CR3: 00000000236b1000 CR4: 00000000003506e0 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+0x9fe/0xe40 drivers/scsi/hosts.c:504 usb_stor_probe1+0x46/0x1a50 drivers/usb/storage/usb.c:952 sddr09_probe+0xeb/0x2a0 drivers/usb/storage/sddr09.c:1754 usb_probe_interface+0x5c0/0xaf0 drivers/usb/core/driver.c:396 really_probe+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b9/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:979 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3394 usb_set_configuration+0x19dd/0x2020 drivers/usb/core/message.c:2165 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+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __device_attach_driver+0x2b9/0x500 drivers/base/dd.c:907 bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427 __device_attach+0x359/0x570 drivers/base/dd.c:979 bus_probe_device+0xba/0x1e0 drivers/base/bus.c:487 device_add+0xb48/0xfd0 drivers/base/core.c:3394 usb_new_device+0xc17/0x18d0 drivers/usb/core/hub.c:2568 hub_port_connect drivers/usb/core/hub.c:5418 [inline] hub_port_connect_change drivers/usb/core/hub.c:5558 [inline] port_event drivers/usb/core/hub.c:5704 [inline] hub_event+0x2cdf/0x54b0 drivers/usb/core/hub.c:5786 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298