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BUG: KASAN: use-after-free in htc_process_conn_rsp drivers/net/wireless/ath/ath9k/htc_hst.c:131 [inline]
BUG: KASAN: use-after-free in ath9k_htc_rx_msg+0xa25/0xaf0 drivers/net/wireless/ath/ath9k/htc_hst.c:443
Write of size 2 at addr ffff8881d03ea480 by task syz-executor.1/419

CPU: 0 PID: 419 Comm: syz-executor.1 Not tainted 5.7.0-rc5-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+0xd3/0x314 mm/kasan/report.c:382
 __kasan_report.cold+0x37/0x92 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+0x1f2/0x470 drivers/usb/core/hcd.c:1648
 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1713
 dummy_timer+0x125e/0x32b4 drivers/usb/gadget/udc/dummy_hcd.c:1966
 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:rcu_all_qs+0x7/0xa0 kernel/rcu/tree_plugin.h:825
Code: 8b 34 24 e9 12 fe ff ff 48 c7 c7 68 56 de 87 e8 ef 50 3b 00 e9 37 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 65 8a 05 36 fb d4 7e <84> c0 74 62 53 65 ff 05 15 b3 d3 7e 48 c7 c3 1d 57 03 00 65 48 03
RSP: 0018:ffff8881ada6fc90 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 0000000080000000 RBX: ffff8881ada6fdc8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 1ffff1103b33073f RDI: ffff8881d9983998
RBP: ffff8881ada6fd80 R08: ffff8881d9983180 R09: ffffed103b330631
R10: ffff8881d9983187 R11: ffffed103b330630 R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881ada6fe08 R15: ffff8881d9983180
 _cond_resched+0x10/0x20 kernel/sched/core.c:5627
 try_to_freeze_unsafe include/linux/freezer.h:57 [inline]
 try_to_freeze include/linux/freezer.h:67 [inline]
 freezer_count include/linux/freezer.h:128 [inline]
 freezable_schedule include/linux/freezer.h:173 [inline]
 do_nanosleep+0x2bb/0x650 kernel/time/hrtimer.c:1879
 hrtimer_nanosleep+0x1df/0x3a0 kernel/time/hrtimer.c:1932
 __do_sys_nanosleep kernel/time/hrtimer.c:1966 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1953 [inline]
 __x64_sys_nanosleep+0x1dc/0x260 kernel/time/hrtimer.c:1953
 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45af30
Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 21 ef 84 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 8a 46 00 00
RSP: 002b:00007ffc4509f358 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000002be99 RCX: 000000000045af30
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffc4509f360
RBP: 0000000000000073 R08: 0000000000000001 R09: 000000000144d940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
R13: 00007ffc4509f3b0 R14: 000000000002b438 R15: 00007ffc4509f3c0

Allocated by task 150:
 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:560 [inline]
 sk_prot_alloc+0x1f6/0x2c0 net/core/sock.c:1604
 sk_alloc+0x36/0x840 net/core/sock.c:1658
 __netlink_create+0x63/0x300 net/netlink/af_netlink.c:629
 netlink_create+0x3a1/0x5d0 net/netlink/af_netlink.c:692
 __sock_create+0x3d1/0x740 net/socket.c:1433
 sock_create net/socket.c:1484 [inline]
 __sys_socket+0xef/0x200 net/socket.c:1526
 __do_sys_socket net/socket.c:1535 [inline]
 __se_sys_socket net/socket.c:1533 [inline]
 __x64_sys_socket+0x6f/0xb0 net/socket.c:1533
 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3

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 ffff8881d03ea000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1152 bytes inside of
 2048-byte region [ffff8881d03ea000, ffff8881d03ea800)
The buggy address belongs to the page:
page:ffffea000740fa00 refcount:1 mapcount:0 mapping:000000000770fb71 index:0x0 head:ffffea000740fa00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 ffffea0007185600 0000000200000002 ffff8881da00c000
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881d03ea380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881d03ea400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881d03ea480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff8881d03ea500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881d03ea580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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