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BUG: KASAN: slab-out-of-bounds in htc_process_conn_rsp drivers/net/wireless/ath/ath9k/htc_hst.c:131 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_htc_rx_msg+0xa25/0xaf0 drivers/net/wireless/ath/ath9k/htc_hst.c:443
Write of size 2 at addr ffff8881cecc1c20 by task syz-executor.5/5451

CPU: 0 PID: 5451 Comm: syz-executor.5 Not tainted 5.7.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xef/0x16e lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xd3/0x415 mm/kasan/report.c:382
 __kasan_report.cold+0x37/0x7d mm/kasan/report.c:511
 kasan_report+0x33/0x50 mm/kasan/common.c:625
 htc_process_conn_rsp drivers/net/wireless/ath/ath9k/htc_hst.c:131 [inline]
 ath9k_htc_rx_msg+0xa25/0xaf0 drivers/net/wireless/ath/ath9k/htc_hst.c:443
 ath9k_hif_usb_reg_in_cb+0x1c0/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:718
 __usb_hcd_giveback_urb+0x29a/0x550 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1716
 dummy_timer+0x125e/0x32b4 drivers/usb/gadget/udc/dummy_hcd.c:1967
 call_timer_fn+0x1ac/0x700 kernel/time/timer.c:1405
 expire_timers kernel/time/timer.c:1450 [inline]
 __run_timers kernel/time/timer.c:1774 [inline]
 __run_timers kernel/time/timer.c:1741 [inline]
 run_timer_softirq+0x5f9/0x1500 kernel/time/timer.c:1787
 __do_softirq+0x21e/0x9aa kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x178/0x1a0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:546 [inline]
 smp_apic_timer_interrupt+0x141/0x540 arch/x86/kernel/apic/apic.c:1140
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3b/0x40 kernel/locking/spinlock.c:191
Code: e8 fa 71 90 fb 48 89 ef e8 92 6e 91 fb f6 c7 02 75 11 53 9d e8 76 15 af fb 65 ff 0d 87 86 6b 7a 5b 5d c3 e8 67 13 af fb 53 9d <eb> ed 0f 1f 00 55 48 89 fd 65 ff 05 6d 86 6b 7a 45 31 c9 41 b8 01
RSP: 0018:ffff8881da3d7de0 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000216 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881ac526b7c
RBP: ffff8881d55b6008 R08: ffff8881ac526300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d55b6008
R13: fffffffffffffff0 R14: ffff8881d55b6000 R15: 1ffff1103b47afc7
 spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
 raw_ioctl_ep0_stall drivers/usb/gadget/legacy/raw_gadget.c:747 [inline]
 raw_ioctl+0xc4b/0x2570 drivers/usb/gadget/legacy/raw_gadget.c:1243
 vfs_ioctl fs/ioctl.c:47 [inline]
 ksys_ioctl+0x11a/0x180 fs/ioctl.c:771
 __do_sys_ioctl fs/ioctl.c:780 [inline]
 __se_sys_ioctl fs/ioctl.c:778 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:778
 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c937
Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f63b7196aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045c937
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 000000000000002d R08: 0000000000000000 R09: 000000000000000b
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000c46 R14: 00000000004cea1b R15: 00007f63b71996d4

Allocated by task 3600:
 save_stack+0x1b/0x40 mm/kasan/common.c:49
 set_track mm/kasan/common.c:57 [inline]
 __kasan_kmalloc mm/kasan/common.c:495 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:468
 kmalloc include/linux/slab.h:555 [inline]
 kzalloc include/linux/slab.h:669 [inline]
 ath9k_htc_hw_alloc+0x49/0x2e0 drivers/net/wireless/ath/ath9k/htc_hst.c:471
 ath9k_hif_usb_firmware_cb+0x62/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1173
 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1005
 process_one_work+0x965/0x1630 kernel/workqueue.c:2268
 worker_thread+0x96/0xe20 kernel/workqueue.c:2414
 kthread+0x326/0x430 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351

Freed by task 0:
 save_stack+0x1b/0x40 mm/kasan/common.c:49
 set_track mm/kasan/common.c:57 [inline]
 kasan_set_free_info mm/kasan/common.c:317 [inline]
 __kasan_slab_free+0x117/0x160 mm/kasan/common.c:456
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1488 [inline]
 slab_free mm/slub.c:3045 [inline]
 kfree+0xd5/0x300 mm/slub.c:4026
 sk_prot_free net/core/sock.c:1641 [inline]
 __sk_destruct+0x545/0x740 net/core/sock.c:1725
 sk_destruct+0xc6/0x100 net/core/sock.c:1740
 __sk_free+0xef/0x3d0 net/core/sock.c:1751
 sk_free+0x78/0xa0 net/core/sock.c:1762
 deferred_put_nlk_sk+0x151/0x2e0 net/netlink/af_netlink.c:729
 rcu_do_batch kernel/rcu/tree.c:2206 [inline]
 rcu_core+0x5ae/0x1ba0 kernel/rcu/tree.c:2433
 __do_softirq+0x21e/0x9aa kernel/softirq.c:292

The buggy address belongs to the object at ffff8881cecc1000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1056 bytes to the right of
 2048-byte region [ffff8881cecc1000, ffff8881cecc1800)
The buggy address belongs to the page:
page:ffffea00073b3000 refcount:1 mapcount:0 mapping:00000000e9f4ea85 index:0x0 head:ffffea00073b3000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 ffffea00072f8600 0000000200000002 ffff8881da00c000
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881cecc1b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881cecc1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8881cecc1c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                               ^
 ffff8881cecc1c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881cecc1d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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