usb 4-1: received invalid command response:got 12, instead of 4
==================================================================
BUG: KASAN: stack-out-of-bounds in carl9170_cmd_callback drivers/net/wireless/ath/carl9170/rx.c:153 [inline]
BUG: KASAN: stack-out-of-bounds in carl9170_handle_command_response+0x21f/0xc50 drivers/net/wireless/ath/carl9170/rx.c:168
Write of size 12 at addr ffffc9001397fa30 by task kworker/0:5/25807

CPU: 0 UID: 0 PID: 25807 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:186 [inline]
 kasan_check_range+0x10f/0x1e0 mm/kasan/generic.c:200
 __asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106
 carl9170_cmd_callback drivers/net/wireless/ath/carl9170/rx.c:153 [inline]
 carl9170_handle_command_response+0x21f/0xc50 drivers/net/wireless/ath/carl9170/rx.c:168
 carl9170_usb_rx_irq_complete+0xfc/0x1b0 drivers/net/wireless/ath/carl9170/usb.c:307
 __usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657
 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
 dummy_timer+0xda1/0x36c0 drivers/usb/gadget/udc/dummy_hcd.c:2005
 __run_hrtimer kernel/time/hrtimer.c:2032 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096
 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113
 handle_softirqs+0x1dd/0x990 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x160/0x210 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:console_flush_one_record+0xac3/0xe50 kernel/printk/printk.c:3270
Code: 00 e8 71 86 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 af 3d 21 00 48 85 ed 0f 85 d7 01 00 00 e8 01 43 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
RSP: 0018:ffffc90006a6f370 EFLAGS: 00000283
RAX: ffffffff89ca3fd8 RBX: ffffffff89ca3f80 RCX: ffffc90011c33000
RDX: 0000000000100000 RSI: ffffffff8192c6bf RDI: ffff88813c873c00
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000000002fec2
R13: ffffffff89ca3fd8 R14: ffffc90006a6f3f0 R15: dffffc0000000000
 console_flush_all kernel/printk/printk.c:3343 [inline]
 __console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
 console_unlock+0x103/0x260 kernel/printk/printk.c:3413
 vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2479
 dev_vprintk_emit+0x391/0x3e0 drivers/base/core.c:4996
 dev_printk_emit+0xd2/0x10d drivers/base/core.c:5007
 __dev_printk+0xcb/0x100 drivers/base/core.c:5019
 _dev_err+0xef/0x127 drivers/base/core.c:5062
 hub_port_init.cold+0x86/0x389 drivers/usb/core/hub.c:5067
 hub_port_connect drivers/usb/core/hub.c:5496 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x2f27/0x4af0 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x69a/0xc80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

The buggy address belongs to a vmalloc virtual mapping
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1153df
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 00000000ffffffff 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x29c2(GFP_NOWAIT|__GFP_HIGHMEM|__GFP_IO|__GFP_FS|__GFP_ZERO), pid 15578, tgid 15578 (syz.2.2895), ts 1436678079135, free_ts 1436102966230
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf25/0x3400 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x28f/0x2b90 mm/page_alloc.c:5304
 alloc_pages_mpol+0xe8/0x410 mm/mempolicy.c:2490
 alloc_pages_noprof+0x1a/0x160 mm/mempolicy.c:2581
 vm_area_alloc_pages mm/vmalloc.c:3667 [inline]
 __vmalloc_area_node mm/vmalloc.c:3892 [inline]
 __vmalloc_node_range_noprof+0xf9a/0x1630 mm/vmalloc.c:4082
 __vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4143
 alloc_thread_stack_node kernel/fork.c:359 [inline]
 dup_task_struct kernel/fork.c:929 [inline]
 copy_process+0x7fb/0x7dd0 kernel/fork.c:2110
 kernel_clone+0x176/0x9d0 kernel/fork.c:2747
 __do_sys_clone3+0x214/0x290 kernel/fork.c:3049
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0x7f0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5224 tgid 5224 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 free_pages_prepare+0x558/0xcb0 mm/page_alloc.c:1451
 __free_contig_range_common.constprop.0+0x12c/0x230 mm/page_alloc.c:6897
 __free_contig_range mm/page_alloc.c:6942 [inline]
 free_pages_bulk+0x126/0x1f0 mm/page_alloc.c:5257
 vm_area_free_pages+0xad/0x2b0 mm/vmalloc.c:3439
 vfree mm/vmalloc.c:3488 [inline]
 vfree+0x107/0x750 mm/vmalloc.c:3462
 delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3392
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x69a/0xc80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffffc9001397f900: f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00
 ffffc9001397f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9001397fa00: f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00 00
                                     ^
 ffffc9001397fa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9001397fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	00 e8                	add    %ch,%al
   2:	71 86                	jno    0xffffff8a
   4:	29 00                	sub    %eax,(%rax)
   6:	9c                   	pushf
   7:	5d                   	pop    %rbp
   8:	81 e5 00 02 00 00    	and    $0x200,%ebp
   e:	31 ff                	xor    %edi,%edi
  10:	48 89 ee             	mov    %rbp,%rsi
  13:	e8 af 3d 21 00       	call   0x213dc7
  18:	48 85 ed             	test   %rbp,%rbp
  1b:	0f 85 d7 01 00 00    	jne    0x1f8
  21:	e8 01 43 21 00       	call   0x214327
  26:	fb                   	sti
  27:	4c 89 e8             	mov    %r13,%rax
* 2a:	48 c1 e8 03          	shr    $0x3,%rax <-- trapping instruction
  2e:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  33:	0f 85 64 03 00 00    	jne    0x39d
  39:	48 8b 0c 24          	mov    (%rsp),%rcx
  3d:	48                   	rex.W
  3e:	8b                   	.byte 0x8b
  3f:	6b                   	.byte 0x6b