usb 1-1: received invalid command response:got 60, instead of 4
usb 1-1: restart device (9)
==================================================================
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 ffffc90002f4fa38 by task kworker/0:4/5253

CPU: 0 UID: 0 PID: 5253 Comm: kworker/0:4 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/0:4/5253
 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:0x11fd67
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 ffffea00047f59c8 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 2, tgid 2 (kthreadd), ts 85514493879, free_ts 63600444567
 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_noprof+0xb/0x110 mm/page_alloc.c:5260
 __alloc_pages_node_noprof include/linux/gfp.h:289 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:316 [inline]
 vm_area_alloc_pages mm/vmalloc.c:3655 [inline]
 __vmalloc_area_node mm/vmalloc.c:3878 [inline]
 __vmalloc_node_range_noprof+0xe0c/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/0x7d20 kernel/fork.c:2088
 kernel_clone+0x12e/0x9c0 kernel/fork.c:2723
 kernel_thread+0xdb/0x120 kernel/fork.c:2784
 create_kthread kernel/kthread.c:459 [inline]
 kthreadd+0x498/0x7a0 kernel/kthread.c:817
 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 4208 tgid 4208 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
 vm_area_dup+0x25/0x6e0 mm/vma_init.c:123
 __split_vma+0x18c/0xd60 mm/vma.c:516
 vms_gather_munmap_vmas+0x3a5/0x1670 mm/vma.c:1448
 __mmap_setup mm/vma.c:2439 [inline]
 __mmap_region+0x4aa/0x2a20 mm/vma.c:2753
 mmap_region+0x35d/0x620 mm/vma.c:2856
 do_mmap+0xc53/0x12d0 mm/mmap.c:560
 vm_mmap_pgoff+0x201/0x390 mm/util.c:581
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 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

Memory state around the buggy address:
 ffffc90002f4f900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90002f4f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90002f4fa00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00
                                        ^
 ffffc90002f4fa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90002f4fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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