==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy include/linux/fortify-string.h:225 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:562 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0x3d3/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680
Read of size 49234 at addr ffff88811a788000 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_address_description.constprop.0.cold+0x8d/0x320 mm/kasan/report.c:247
__kasan_report mm/kasan/report.c:433 [inline]
kasan_report.cold+0x83/0xdf mm/kasan/report.c:450
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
memcpy+0x20/0x60 mm/kasan/shadow.c:65
memcpy include/linux/fortify-string.h:225 [inline]
ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:562 [inline]
ath9k_hif_usb_rx_cb+0x3d3/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x288/0x9a5 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:553
Code: 89 de e8 2d 98 73 fb 84 db 75 ac e8 44 94 73 fb e8 6f ce 79 fb eb 0c e8 38 94 73 fb 0f 00 2d 81 17 7a 00 e8 2c 94 73 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 a7 96 73 fb 48 85 db
RSP: 0018:ffffffff87607d60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff87652680 RSI: ffffffff85cff724 RDI: 0000000000000000
RBP: ffff888103fa8864 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8149c5b8 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888103fa8800 R14: ffff888103fa8864 R15: ffff8881057ad804
acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:688
cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237
cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
call_cpuidle kernel/sched/idle.c:158 [inline]
cpuidle_idle_call kernel/sched/idle.c:239 [inline]
do_idle+0x3e8/0x590 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_kernel+0x47a/0x49b init/main.c:1135
secondary_startup_64_no_verify+0xb0/0xbb
The buggy address belongs to the page:
page:ffffea000469e200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a788
head:ffffea000469e200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010000(head|node=0|zone=2)
raw: 0200000000010000 0000000000000000 dead000000000122 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 3, migratetype Unmovable, gfp_mask 0xc2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), pid 7, ts 46330063772, free_ts 44332497846
prep_new_page mm/page_alloc.c:2418 [inline]
get_page_from_freelist+0x122d/0x2940 mm/page_alloc.c:4149
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5369
__alloc_pages_node include/linux/gfp.h:570 [inline]
alloc_pages_node include/linux/gfp.h:593 [inline]
kmalloc_large_node+0x62/0x130 mm/slub.c:4437
__kmalloc_node_track_caller+0x2da/0x330 mm/slub.c:4942
kmalloc_reserve net/core/skbuff.c:354 [inline]
__alloc_skb+0xde/0x340 net/core/skbuff.c:426
alloc_skb include/linux/skbuff.h:1126 [inline]
ath9k_hif_usb_alloc_rx_urbs drivers/net/wireless/ath/ath9k/hif_usb.c:882 [inline]
ath9k_hif_usb_alloc_urbs+0x670/0x1040 drivers/net/wireless/ath/ath9k/hif_usb.c:1012
ath9k_hif_usb_dev_init drivers/net/wireless/ath/ath9k/hif_usb.c:1102 [inline]
ath9k_hif_usb_firmware_cb+0x148/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1235
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1022
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298
worker_thread+0x658/0x11f0 kernel/workqueue.c:2445
kthread+0x40b/0x500 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1338 [inline]
free_pcp_prepare+0x361/0x760 mm/page_alloc.c:1389
free_unref_page_prepare mm/page_alloc.c:3309 [inline]
free_unref_page+0x19/0x580 mm/page_alloc.c:3388
skb_free_head net/core/skbuff.c:655 [inline]
skb_release_data+0x5a2/0x6b0 net/core/skbuff.c:677
skb_release_all net/core/skbuff.c:742 [inline]
__kfree_skb net/core/skbuff.c:756 [inline]
kfree_skb net/core/skbuff.c:774 [inline]
kfree_skb+0x133/0x3f0 net/core/skbuff.c:768
ath9k_hif_usb_rx_cb+0x74e/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:696
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x288/0x9a5 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
Memory state around the buggy address:
ffff88811a790180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff88811a790200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88811a790280: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
^
ffff88811a790300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88811a790380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 89 de mov %ebx,%esi
2: e8 2d 98 73 fb callq 0xfb739834
7: 84 db test %bl,%bl
9: 75 ac jne 0xffffffb7
b: e8 44 94 73 fb callq 0xfb739454
10: e8 6f ce 79 fb callq 0xfb79ce84
15: eb 0c jmp 0x23
17: e8 38 94 73 fb callq 0xfb739454
1c: 0f 00 2d 81 17 7a 00 verw 0x7a1781(%rip) # 0x7a17a4
23: e8 2c 94 73 fb callq 0xfb739454
28: fb sti
29: f4 hlt
* 2a: 9c pushfq <-- trapping instruction
2b: 5b pop %rbx
2c: 81 e3 00 02 00 00 and $0x200,%ebx
32: fa cli
33: 31 ff xor %edi,%edi
35: 48 89 de mov %rbx,%rsi
38: e8 a7 96 73 fb callq 0xfb7396e4
3d: 48 85 db test %rbx,%rbx