usb 2-1: received invalid command response:got 14, 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 14 at addr ffffc900000bfa38 by task udevd/2856

CPU: 0 UID: 0 PID: 2856 Comm: udevd Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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: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:1061 [inline]
 sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_pc+0x3f/0x70 kernel/kcov.c:217
Code: 44 0b a9 00 01 ff 00 74 1b f6 c4 01 74 07 a9 00 00 ff 00 74 05 e9 11 0a be 05 8b 82 0c 16 00 00 85 c0 74 f1 8b 82 e8 15 00 00 <83> f8 02 75 e6 48 8b 8a f0 15 00 00 8b 92 ec 15 00 00 48 8b 01 48
RSP: 0018:ffffc900005d78c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888112263300 RCX: ffffffff82a68501
RDX: ffff888117da9dc0 RSI: ffffffff82a68953 RDI: ffff888117da9dc0
RBP: ffff888113117b90 R08: 0000000000000003 R09: 0000000000000008
R10: ffff888113117bac R11: 0000000000000001 R12: 0000000000000000
R13: ffffc900005d7938 R14: 0000000000000008 R15: 0000000000000008
 task_avdcache_update security/selinux/hooks.c:3227 [inline]
 selinux_inode_permission+0xd73/0x1130 security/selinux/hooks.c:3282
 security_inode_permission+0x83/0xc0 security/security.c:1842
 lookup_inode_permission_may_exec fs/namei.c:693 [inline]
 may_lookup fs/namei.c:1957 [inline]
 link_path_walk+0x2a5/0x1cc0 fs/namei.c:2600
 path_openat+0x1be/0x31a0 fs/namei.c:4854
 do_file_open+0x20e/0x430 fs/namei.c:4887
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1381
 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
RIP: 0033:0x7f8c58d54407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffc13337ab0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8c58c66880 RCX: 00007f8c58d54407
RDX: 0000000000080141 RSI: 000055c48207502e RDI: ffffffffffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001a4 R11: 0000000000000202 R12: 00000000ffffffff
R13: 00000000ffffffff R14: ffffffffffffffff R15: 0000000000000000
 </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:0x101ed7
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 ffffea000407b5c8 ffffea000407b5c8 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 2549391039, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1853
 prep_new_page mm/page_alloc.c:1861 [inline]
 get_page_from_freelist+0x20a5/0x3850 mm/page_alloc.c:3941
 __alloc_frozen_pages_noprof+0x273/0x28a0 mm/page_alloc.c:5221
 __alloc_pages_noprof+0xb/0x110 mm/page_alloc.c:5255
 __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/0x7c70 kernel/fork.c:2090
 kernel_clone+0x176/0x9e0 kernel/fork.c:2722
 kernel_thread+0xdb/0x120 kernel/fork.c:2783
 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_owner free stack trace missing

Memory state around the buggy address:
 ffffc900000bf900: f1 f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00
 ffffc900000bf980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900000bfa00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00
                                        ^
 ffffc900000bfa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900000bfb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	44 0b a9 00 01 ff 00 	or     0xff0100(%rcx),%r13d
   7:	74 1b                	je     0x24
   9:	f6 c4 01             	test   $0x1,%ah
   c:	74 07                	je     0x15
   e:	a9 00 00 ff 00       	test   $0xff0000,%eax
  13:	74 05                	je     0x1a
  15:	e9 11 0a be 05       	jmp    0x5be0a2b
  1a:	8b 82 0c 16 00 00    	mov    0x160c(%rdx),%eax
  20:	85 c0                	test   %eax,%eax
  22:	74 f1                	je     0x15
  24:	8b 82 e8 15 00 00    	mov    0x15e8(%rdx),%eax
* 2a:	83 f8 02             	cmp    $0x2,%eax <-- trapping instruction
  2d:	75 e6                	jne    0x15
  2f:	48 8b 8a f0 15 00 00 	mov    0x15f0(%rdx),%rcx
  36:	8b 92 ec 15 00 00    	mov    0x15ec(%rdx),%edx
  3c:	48 8b 01             	mov    (%rcx),%rax
  3f:	48                   	rex.W