==================================================================
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
Read of size 4 at addr ffff888070a942e8 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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+0xeb/0x467 mm/kasan/report.c:313
print_report mm/kasan/report.c:429 [inline]
kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474
expire_timers kernel/time/timer.c:1519 [inline]
__run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1790
__run_timers kernel/time/timer.c:1768 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803
__do_softirq+0x29b/0x9c2 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
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:130 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c9/0x240 drivers/acpi/processor_idle.c:554
Code: 89 de e8 fa 89 ff f7 84 db 75 98 e8 f1 8d ff f7 e8 6c dc 05 f8 66 90 e8 e5 8d ff f7 0f 00 2d 5e e7 b9 00 e8 d9 8d ff f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 24 8a ff f7 48 85 db
RSP: 0018:ffffffff8ba07d38 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff8babc940 RSI: ffffffff897a09a7 RDI: 0000000000000000
RBP: ffff88814579c064 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88814579c000 R14: ffff88814579c064 R15: ffff8881468b3004
acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:691
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:155 [inline]
cpuidle_idle_call kernel/sched/idle.c:236 [inline]
do_idle+0x3e8/0x590 kernel/sched/idle.c:303
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400
rest_init+0x169/0x270 init/main.c:726
arch_call_rest_init+0xf/0x14 init/main.c:882
start_kernel+0x46e/0x48f init/main.c:1137
secondary_startup_64_no_verify+0xce/0xdb
Allocated by task 14:
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:436 [inline]
____kasan_kmalloc mm/kasan/common.c:515 [inline]
____kasan_kmalloc mm/kasan/common.c:474 [inline]
__kasan_kmalloc+0xa6/0xd0 mm/kasan/common.c:524
kasan_kmalloc include/linux/kasan.h:234 [inline]
__do_kmalloc mm/slab.c:3696 [inline]
__kmalloc+0x209/0x4d0 mm/slab.c:3705
kmalloc include/linux/slab.h:605 [inline]
kzalloc include/linux/slab.h:733 [inline]
wiphy_new_nm+0x6f0/0x2080 net/wireless/core.c:440
ieee80211_alloc_hw_nm+0x373/0x2270 net/mac80211/main.c:585
ieee80211_alloc_hw include/net/mac80211.h:4412 [inline]
ath9k_htc_probe_device+0x97/0x1f30 drivers/net/wireless/ath/ath9k/htc_drv_init.c:939
ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:508
ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1245
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Freed by task 14:
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:45
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:366 [inline]
____kasan_slab_free+0x13d/0x180 mm/kasan/common.c:328
kasan_slab_free include/linux/kasan.h:200 [inline]
__cache_free mm/slab.c:3425 [inline]
kfree+0x113/0x310 mm/slab.c:3796
device_release+0x9f/0x240 drivers/base/core.c:2230
kobject_cleanup lib/kobject.c:673 [inline]
kobject_release lib/kobject.c:704 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1c8/0x540 lib/kobject.c:721
put_device+0x1b/0x30 drivers/base/core.c:3524
ath9k_htc_probe_device+0x1c7/0x1f30 drivers/net/wireless/ath/ath9k/htc_drv_init.c:976
ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:508
ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1245
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
The buggy address belongs to the object at ffff888070a90000
which belongs to the cache kmalloc-32k of size 32768
The buggy address is located 17128 bytes inside of
32768-byte region [ffff888070a90000, ffff888070a98000)
The buggy address belongs to the physical page:
page:ffffea0001c2a400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x70a90
head:ffffea0001c2a400 order:4 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0001c2a008 ffff888011841d50 ffff888011840c00
raw: 0000000000000000 ffff888070a90000 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 4, migratetype Unmovable, gfp_mask 0x2420c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 14, tgid 14 (kworker/0:1), ts 53089043273, free_ts 44935971469
prep_new_page mm/page_alloc.c:2456 [inline]
get_page_from_freelist+0x1290/0x3b70 mm/page_alloc.c:4198
__alloc_pages+0x1c7/0x510 mm/page_alloc.c:5426
__alloc_pages_node include/linux/gfp.h:587 [inline]
kmem_getpages mm/slab.c:1363 [inline]
cache_grow_begin+0x75/0x350 mm/slab.c:2569
cache_alloc_refill+0x27f/0x380 mm/slab.c:2942
____cache_alloc mm/slab.c:3024 [inline]
____cache_alloc mm/slab.c:3007 [inline]
__do_cache_alloc mm/slab.c:3253 [inline]
slab_alloc mm/slab.c:3295 [inline]
__do_kmalloc mm/slab.c:3694 [inline]
__kmalloc+0x3b3/0x4d0 mm/slab.c:3705
kmalloc include/linux/slab.h:605 [inline]
kzalloc include/linux/slab.h:733 [inline]
wiphy_new_nm+0x6f0/0x2080 net/wireless/core.c:440
ieee80211_alloc_hw_nm+0x373/0x2270 net/mac80211/main.c:585
ieee80211_alloc_hw include/net/mac80211.h:4412 [inline]
ath9k_htc_probe_device+0x97/0x1f30 drivers/net/wireless/ath/ath9k/htc_drv_init.c:939
ath9k_htc_hw_init+0x31/0x60 drivers/net/wireless/ath/ath9k/htc_hst.c:508
ath9k_hif_usb_firmware_cb+0x274/0x530 drivers/net/wireless/ath/ath9k/hif_usb.c:1245
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1107
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1371 [inline]
free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1421
free_unref_page_prepare mm/page_alloc.c:3343 [inline]
free_unref_page+0x19/0x6a0 mm/page_alloc.c:3438
__put_page+0x17d/0x280 mm/swap.c:127
folio_put include/linux/mm.h:1200 [inline]
put_page include/linux/mm.h:1233 [inline]
__skb_frag_unref include/linux/skbuff.h:3487 [inline]
skb_release_data+0x513/0x810 net/core/skbuff.c:672
skb_release_all net/core/skbuff.c:742 [inline]
__kfree_skb net/core/skbuff.c:756 [inline]
skb_attempt_defer_free+0x31c/0x400 net/core/skbuff.c:6506
tcp_eat_recv_skb net/ipv4/tcp.c:1598 [inline]
tcp_recvmsg_locked+0x1116/0x22b0 net/ipv4/tcp.c:2508
tcp_recvmsg+0x112/0x620 net/ipv4/tcp.c:2554
inet_recvmsg+0x115/0x5e0 net/ipv4/af_inet.c:850
sock_recvmsg_nosec net/socket.c:995 [inline]
sock_recvmsg net/socket.c:1013 [inline]
sock_recvmsg net/socket.c:1009 [inline]
sock_read_iter+0x337/0x470 net/socket.c:1086
call_read_iter include/linux/fs.h:2052 [inline]
new_sync_read+0x4f9/0x5f0 fs/read_write.c:401
vfs_read+0x492/0x5d0 fs/read_write.c:482
ksys_read+0x1e8/0x250 fs/read_write.c:620
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
Memory state around the buggy address:
ffff888070a94180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888070a94200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888070a94280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888070a94300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888070a94380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 89 de mov %ebx,%esi
2: e8 fa 89 ff f7 callq 0xf7ff8a01
7: 84 db test %bl,%bl
9: 75 98 jne 0xffffffa3
b: e8 f1 8d ff f7 callq 0xf7ff8e01
10: e8 6c dc 05 f8 callq 0xf805dc81
15: 66 90 xchg %ax,%ax
17: e8 e5 8d ff f7 callq 0xf7ff8e01
1c: 0f 00 2d 5e e7 b9 00 verw 0xb9e75e(%rip) # 0xb9e781
23: e8 d9 8d ff f7 callq 0xf7ff8e01
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 24 8a ff f7 callq 0xf7ff8a61
3d: 48 85 db test %rbx,%rbx