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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 ffff8881d246e0d0 by task systemd-udevd/150

CPU: 0 PID: 150 Comm: systemd-udevd 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:__read_once_size include/linux/compiler.h:199 [inline]
RIP: 0010:do_syscall_64+0x24/0x5a0 arch/x86/entry/common.c:290
Code: 00 e9 39 ff ff ff 41 55 41 54 49 89 f4 55 53 48 89 fb 48 83 ec 08 e8 fb bf 3f 00 e8 d6 1b 45 00 fb 65 48 8b 2c 25 40 0f 02 00 <48> b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 0f
RSP: 0018:ffff8881d0ae7f28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000027 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881d0ad887c
RBP: ffff8881d0ad8000 R08: ffff8881d0ad8000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d0ae7f58
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x7f283faecf17
Code: ff ff ff 48 8b 4d a0 0f b7 51 fe 48 8b 4d a8 66 89 54 08 fe e9 1a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 b8 27 00 00 00 0f 05 <c3> 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00
RSP: 002b:00007ffdc84250f8 EFLAGS: 00000293 ORIG_RAX: 0000000000000027
RAX: ffffffffffffffda RBX: 0000000000000096 RCX: 00007f283faecf17
RDX: 00000000000000e2 RSI: 0000556dc72cdca2 RDI: 0000556dc72cf0f0
RBP: 0000556dc72cf138 R08: 000000000000002e R09: 000000000000004f
R10: 000000000000002e R11: 0000000000000293 R12: 0000556dc7160812
R13: 0000556dc72cf110 R14: 0000556dc72cf0f0 R15: 0000000000000001

Allocated by task 12:
 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]
 usb_set_configuration+0x2c4/0x1850 drivers/usb/core/message.c:1854
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
 really_probe+0x290/0xac0 drivers/base/dd.c:520
 driver_probe_device+0x223/0x350 drivers/base/dd.c:697
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:804
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x21a/0x390 drivers/base/dd.c:870
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x1367/0x1c40 drivers/base/core.c:2538
 usb_new_device.cold+0x552/0xf6e drivers/usb/core/hub.c:2553
 hub_port_connect drivers/usb/core/hub.c:5207 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5347 [inline]
 port_event drivers/usb/core/hub.c:5493 [inline]
 hub_event+0x226d/0x43c0 drivers/usb/core/hub.c:5575
 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 12:
 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
 device_release+0x71/0x200 drivers/base/core.c:1375
 kobject_cleanup lib/kobject.c:693 [inline]
 kobject_release lib/kobject.c:722 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x256/0x550 lib/kobject.c:739
 put_device+0x1b/0x30 drivers/base/core.c:2637
 usb_disable_device+0x304/0x790 drivers/usb/core/message.c:1252
 usb_disconnect+0x293/0x900 drivers/usb/core/hub.c:2216
 hub_port_connect drivers/usb/core/hub.c:5058 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5347 [inline]
 port_event drivers/usb/core/hub.c:5493 [inline]
 hub_event+0x1abf/0x43c0 drivers/usb/core/hub.c:5575
 process_one_work+0x965/0x1630 kernel/workqueue.c:2268
 process_scheduled_works kernel/workqueue.c:2330 [inline]
 worker_thread+0x7ab/0xe20 kernel/workqueue.c:2416
 kthread+0x326/0x430 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351

The buggy address belongs to the object at ffff8881d246e000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 208 bytes inside of
 2048-byte region [ffff8881d246e000, ffff8881d246e800)
The buggy address belongs to the page:
page:ffffea0007491a00 refcount:1 mapcount:0 mapping:0000000046203c2d index:0x0 head:ffffea0007491a00 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:
 ffff8881d246df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881d246e000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881d246e080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff8881d246e100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881d246e180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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