------------[ cut here ]------------ URB ffff8880746b0000 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#0: kworker/0:1/10 Modules linked in: CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_freezable usb_stor_scan_dwork RIP: 0010:usb_submit_urb+0x7c/0x18b0 drivers/usb/core/urb.c:379 Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 c9 04 ca fa 49 83 3e 00 74 40 e8 4e 3b 5a fa 48 8d 3d 27 4a 1a 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 33 3b 5a fa eb 05 e8 2c 3b RSP: 0000:ffffc900000f7878 EFLAGS: 00010293 RAX: ffffffff876d7b62 RBX: ffff8880746b0000 RCX: ffff88801defbe80 RDX: 0000000000000000 RSI: ffff8880746b0000 RDI: ffffffff9087c590 RBP: dffffc0000000000 R08: 0000000000000002 R09: 0000000000000000 R10: ffffc900000f7960 R11: fffff5200001ef37 R12: ffff8880746b0068 R13: ffff8880798610a0 R14: ffff8880746b0008 R15: 0000000000000c00 FS: 0000000000000000(0000) GS:ffff888124cda000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080001000 CR3: 00000000349aa000 CR4: 00000000003526f0 Call Trace: usb_stor_msg_common+0x2a2/0x500 drivers/usb/storage/transport.c:143 usb_stor_control_msg drivers/usb/storage/transport.c:205 [inline] usb_stor_Bulk_max_lun+0x2fd/0x5b0 drivers/usb/storage/transport.c:1081 usb_stor_scan_dwork+0xf4/0x2c0 drivers/usb/storage/usb.c:988 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 4c 89 f0 mov %r14,%rax 3: 48 c1 e8 03 shr $0x3,%rax 7: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) b: 74 08 je 0x15 d: 4c 89 f7 mov %r14,%rdi 10: e8 c9 04 ca fa call 0xfaca04de 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 4e 3b 5a fa call 0xfa5a3b6e 20: 48 8d 3d 27 4a 1a 09 lea 0x91a4a27(%rip),%rdi # 0x91a4a4e 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: b8 f0 ff ff ff mov $0xfffffff0,%eax 34: eb 11 jmp 0x47 36: e8 33 3b 5a fa call 0xfa5a3b6e 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: 2c 3b sub $0x3b,%al