usb 4-1: received invalid command response:got 60, instead of 0
usb 4-1: restart device (9)
usb 4-1: received invalid command response:got 60, 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 60 at addr ffffc900020afa38 by task kworker/1:4/5251

CPU: 1 UID: 0 PID: 5251 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events request_firmware_work_func
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/0x1d0 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:1930 [inline]
 __hrtimer_run_queues+0x470/0xa00 kernel/time/hrtimer.c:1994
 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2011
 handle_softirqs+0x1dd/0x9e0 kernel/softirq.c:622
 do_softirq kernel/softirq.c:523 [inline]
 do_softirq+0xac/0xe0 kernel/softirq.c:510
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 carl9170_exec_cmd+0x1de/0x480 drivers/net/wireless/ath/carl9170/usb.c:680
 carl9170_echo_test+0x9a/0x120 drivers/net/wireless/ath/carl9170/cmd.c:104
 carl9170_usb_load_firmware+0x30e/0x470 drivers/net/wireless/ath/carl9170/usb.c:859
 carl9170_usb_init_device.part.0+0x39c/0x4c0 drivers/net/wireless/ath/carl9170/usb.c:959
 carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:947 [inline]
 carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:1006 [inline]
 carl9170_usb_firmware_step2+0x193/0x240 drivers/net/wireless/ath/carl9170/usb.c:1035
 request_firmware_work_func+0x13c/0x250 drivers/base/firmware_loader/main.c:1152
 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
 process_scheduled_works kernel/workqueue.c:3385 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3466
 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 stack of task kworker/1:4/5251
 and is located at offset 48 in frame:
 carl9170_echo_test+0x0/0x120 drivers/net/wireless/ath/carl9170/cmd.c:71

This frame has 2 objects:
 [48, 52) 'echores'
 [64, 68) 'v'

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:0x121277
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 ffffea0004849dc8 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 1651, tgid 1651 (kworker/u8:9), ts 81391596106, free_ts 65402562867
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x153/0x170 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1866 [inline]
 get_page_from_freelist+0xf34/0x3a90 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x273/0x28a0 mm/page_alloc.c:5226
 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:3653 [inline]
 __vmalloc_area_node mm/vmalloc.c:3878 [inline]
 __vmalloc_node_range_noprof+0xf9a/0x1630 mm/vmalloc.c:4064
 __vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4124
 alloc_thread_stack_node kernel/fork.c:357 [inline]
 dup_task_struct kernel/fork.c:926 [inline]
 copy_process+0x7fb/0x7c70 kernel/fork.c:2090
 kernel_clone+0x12e/0x9c0 kernel/fork.c:2721
 user_mode_thread+0xcc/0x110 kernel/fork.c:2797
 call_usermodehelper_exec_sync kernel/umh.c:132 [inline]
 call_usermodehelper_exec_work+0x6b/0x180 kernel/umh.c:163
 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
 process_scheduled_works kernel/workqueue.c:3385 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3466
 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
page last free pid 4279 tgid 4279 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0x692/0xf10 mm/page_alloc.c:2943
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4569 [inline]
 slab_alloc_node mm/slub.c:4898 [inline]
 kmem_cache_alloc_noprof+0x2e7/0x6a0 mm/slub.c:4905
 anon_vma_chain_alloc mm/rmap.c:142 [inline]
 __anon_vma_prepare+0xae/0x5e0 mm/rmap.c:194
 __vmf_anon_prepare+0x11f/0x250 mm/memory.c:3813
 vmf_anon_prepare mm/internal.h:503 [inline]
 do_cow_fault mm/memory.c:5913 [inline]
 do_fault mm/memory.c:6029 [inline]
 do_pte_missing mm/memory.c:4550 [inline]
 handle_pte_fault mm/memory.c:6411 [inline]
 __handle_mm_fault+0x82c/0x2780 mm/memory.c:6549
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6718
 do_user_addr_fault+0x5ae/0x11d0 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x66/0xc0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618

Memory state around the buggy address:
 ffffc900020af900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900020af980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900020afa00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00
                                        ^
 ffffc900020afa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900020afb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================