------------[ cut here ]------------ URB ffff888120ce3b00 submitted while active WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x1689/0x19b0 drivers/usb/core/urb.c:379, CPU#1: kworker/1:3/5242 Modules linked in: CPU: 1 UID: 0 PID: 5242 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(lazy) 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+0x168c/0x19b0 drivers/usb/core/urb.c:379 Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 70 ff ff ff bb ed ff ff ff e9 ac f1 ff ff e8 0e ab b2 fc 48 8d 3d 27 e5 19 06 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 8e f1 ff ff c7 44 24 30 00 00 00 RSP: 0018:ffffc9000265fa28 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888120ce3b00 RCX: 0000000000000000 RDX: ffff888114960000 RSI: ffff888120ce3b00 RDI: ffffffff8b1c2290 RBP: 1ffff920004cbf58 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000000059bb R12: ffff88810d3b8fb0 R13: ffff88810d3b8f28 R14: ffffc9000265fae0 R15: ffff888120ce3b00 FS: 0000000000000000(0000) GS:ffff8882684e8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f1b4ff8 CR3: 0000000129c74000 CR4: 00000000003506f0 Call Trace: usb_stor_msg_common+0x241/0x560 drivers/usb/storage/transport.c:143 usb_stor_control_msg drivers/usb/storage/transport.c:205 [inline] usb_stor_Bulk_max_lun+0x428/0x680 drivers/usb/storage/transport.c:1081 usb_stor_scan_dwork+0x1e6/0x2c0 drivers/usb/storage/usb.c:988 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3551 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 00 48 8b add %cl,-0x75(%rax) 3: 04 24 add $0x24,%al 5: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx c: e9 70 ff ff ff jmp 0xffffff81 11: bb ed ff ff ff mov $0xffffffed,%ebx 16: e9 ac f1 ff ff jmp 0xfffff1c7 1b: e8 0e ab b2 fc call 0xfcb2ab2e 20: 48 8d 3d 27 e5 19 06 lea 0x619e527(%rip),%rdi # 0x619e54e 27: 48 89 de mov %rbx,%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: bb f0 ff ff ff mov $0xfffffff0,%ebx 34: e9 8e f1 ff ff jmp 0xfffff1c7 39: c7 .byte 0xc7 3a: 44 24 30 rex.R and $0x30,%al 3d: 00 00 add %al,(%rax)