==================================================================
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 ffff8881c67f97f0 by task systemd-udevd/3205

CPU: 0 PID: 3205 Comm: systemd-udevd 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:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x1a/0x60 kernel/kcov.c:197
Code: c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 04 25 40 0f 02 00 65 8b 15 e8 cf c1 7e f7 c2 00 01 1f 00 48 8b 34 24 <74> 0f 80 e6 01 74 35 8b 90 2c 13 00 00 85 d2 74 2b 8b 90 08 13 00
RSP: 0018:ffff8881c9887998 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8881cb5eb180 RBX: 0000000000000000 RCX: ffffffff815cffbd
RDX: 0000000080000001 RSI: ffffffff815cffcb RDI: 0000000000000007
RBP: 00000001cc51b000 R08: ffff8881cb5eb180 R09: ffffed1039310f27
R10: 0000000000000003 R11: ffffed1039310f26 R12: ffff8881c9887c80
R13: 0000000000000000 R14: dffffc0000000000 R15: 00007f19aef62000
 zap_pte_range mm/memory.c:1056 [inline]
 zap_pmd_range mm/memory.c:1196 [inline]
 zap_pud_range mm/memory.c:1225 [inline]
 zap_p4d_range mm/memory.c:1246 [inline]
 unmap_page_range+0xadb/0x2120 mm/memory.c:1267
 unmap_single_vma+0x196/0x300 mm/memory.c:1312
 unmap_vmas+0x174/0x2f0 mm/memory.c:1344
 exit_mmap+0x278/0x4d0 mm/mmap.c:3150
 __mmput kernel/fork.c:1085 [inline]
 mmput+0xce/0x3d0 kernel/fork.c:1106
 exit_mm kernel/exit.c:480 [inline]
 do_exit+0xa83/0x2c80 kernel/exit.c:783
 do_group_exit+0x125/0x340 kernel/exit.c:894
 __do_sys_exit_group kernel/exit.c:905 [inline]
 __se_sys_exit_group kernel/exit.c:903 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:903
 do_syscall_64+0xb6/0x5a0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x7f19af699618
Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00
RSP: 002b:00007ffd5187cd88 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ffd5187ce50 RCX: 00007f19af699618
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00007ffd5187cf00 R08: 00000000000000e7 R09: fffffffffffffe50
R10: 00000000ffffffff R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e

Allocated by task 153:
 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 3126:
 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 ffff8881c67f9000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 2032 bytes inside of
 2048-byte region [ffff8881c67f9000, ffff8881c67f9800)
The buggy address belongs to the page:
page:ffffea000719fe00 refcount:1 mapcount:0 mapping:0000000047e436d7 index:0x0 head:ffffea000719fe00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881c67f9680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881c67f9700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881c67f9780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                             ^
 ffff8881c67f9800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881c67f9880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================