------------[ cut here ]------------ URB ffff88802a090700 submitted while active WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0x15fa/0x1910 drivers/usb/core/urb.c:380, CPU#0: usb-storage/6078 Modules linked in: CPU: 0 UID: 0 PID: 6078 Comm: usb-storage Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:usb_submit_urb+0x15fd/0x1910 drivers/usb/core/urb.c:380 Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 73 ff ff ff bb ed ff ff ff e9 be f2 ff ff e8 dd dd c8 fa 48 8d 3d 46 b7 85 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 a0 f2 ff ff c7 44 24 30 00 00 00 RSP: 0018:ffffc900040f7668 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802a090700 RCX: dffffc0000000000 RDX: ffff8880282e4980 RSI: ffff88802a090700 RDI: ffffffff90c3d510 RBP: 1ffff9200081eee0 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000000075a9 R12: ffff88803a604ee8 R13: ffff88803a604e60 R14: ffffc900040f7720 R15: ffff88802a090700 FS: 0000000000000000(0000) GS:ffff8880d65db000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbec5be8600 CR3: 0000000035ace000 CR4: 0000000000352ef0 Call Trace: usb_stor_msg_common+0x241/0x560 drivers/usb/storage/transport.c:143 usb_stor_bulk_transfer_buf+0x17c/0x420 drivers/usb/storage/transport.c:395 ene_send_scsi_cmd+0x12b/0x610 drivers/usb/storage/ene_ub6250.c:502 ene_init drivers/usb/storage/ene_ub6250.c:2197 [inline] ene_transport+0x4e8/0x3720 drivers/usb/storage/ene_ub6250.c:2310 usb_stor_invoke_transport+0xe7/0x15c0 drivers/usb/storage/transport.c:611 usb_stor_control_thread+0x5e4/0xae0 drivers/usb/storage/usb.c:462 kthread+0x3b3/0x730 kernel/kthread.c:463 ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 ---------------- 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 73 ff ff ff jmp 0xffffff84 11: bb ed ff ff ff mov $0xffffffed,%ebx 16: e9 be f2 ff ff jmp 0xfffff2d9 1b: e8 dd dd c8 fa call 0xfac8ddfd 20: 48 8d 3d 46 b7 85 09 lea 0x985b746(%rip),%rdi # 0x985b76d 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 a0 f2 ff ff jmp 0xfffff2d9 39: c7 .byte 0xc7 3a: 44 24 30 rex.R and $0x30,%al 3d: 00 00 add %al,(%rax)