==================================================================
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:643 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:687
Read of size 4 at addr ffff8880731e4348 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc3-next-20220420-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+0xeb/0x495 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:643 [inline]
ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:687
__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:1444
expire_timers kernel/time/timer.c:1489 [inline]
__run_timers.part.0+0x679/0xa80 kernel/time/timer.c:1760
__run_timers kernel/time/timer.c:1738 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1773
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 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:117 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:559
Code: 89 de e8 2d 38 09 f8 84 db 75 ac e8 44 34 09 f8 e8 3f 86 0f f8 eb 0c e8 38 34 09 f8 0f 00 2d 41 3f c2 00 e8 2c 34 09 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 a7 36 09 f8 48 85 db
RSP: 0018:ffffffff8ba07d60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff8babc880 RSI: ffffffff8970d984 RDI: 0000000000000000
RBP: ffff888140784064 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81805fe8 R11: 0000000000000000 R12: 0000000000000001
R13: ffff888140784000 R14: ffff888140784064 R15: ffff88814743b004
acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:696
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
start_kernel+0x47f/0x4a0 init/main.c:1143
secondary_startup_64_no_verify+0xce/0xdb
Allocated by task 0:
(stack is not available)
The buggy address belongs to the object at ffff8880731e3300
which belongs to the cache names_cache of size 4096
The buggy address is located 72 bytes to the right of
4096-byte region [ffff8880731e3300, ffff8880731e4300)
The buggy address belongs to the physical page:
page:ffffea0001cc7800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x731e0
head:ffffea0001cc7800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888140007500
raw: 0000000000000000 0000000080070007 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2942, tgid 2942 (syslogd), ts 51617769195, free_ts 51611281760
prep_new_page mm/page_alloc.c:2394 [inline]
get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4144
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5365
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2279
alloc_slab_page mm/slub.c:1799 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1944
new_slab mm/slub.c:2004 [inline]
___slab_alloc+0x985/0xd90 mm/slub.c:3004
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3091
slab_alloc_node mm/slub.c:3182 [inline]
slab_alloc mm/slub.c:3224 [inline]
__kmem_cache_alloc_lru mm/slub.c:3231 [inline]
kmem_cache_alloc+0x360/0x3b0 mm/slub.c:3241
getname_flags.part.0+0x50/0x4f0 fs/namei.c:138
getname_flags include/linux/audit.h:323 [inline]
getname+0x8e/0xd0 fs/namei.c:217
do_sys_openat2+0xf5/0x4c0 fs/open.c:1206
do_sys_open fs/open.c:1228 [inline]
__do_sys_openat fs/open.c:1244 [inline]
__se_sys_openat fs/open.c:1239 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1239
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+0x44/0xae
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1309 [inline]
free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1359
free_unref_page_prepare mm/page_alloc.c:3290 [inline]
free_unref_page+0x19/0x6a0 mm/page_alloc.c:3385
device_release+0x9f/0x240 drivers/base/core.c:2229
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:3512
ath9k_htc_probe_device+0x1c7/0x1f00 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:1246
request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1022
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:298
Memory state around the buggy address:
ffff8880731e4200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8880731e4280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880731e4300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff8880731e4380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8880731e4400: 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 38 09 f8 callq 0xf8093834
7: 84 db test %bl,%bl
9: 75 ac jne 0xffffffb7
b: e8 44 34 09 f8 callq 0xf8093454
10: e8 3f 86 0f f8 callq 0xf80f8654
15: eb 0c jmp 0x23
17: e8 38 34 09 f8 callq 0xf8093454
1c: 0f 00 2d 41 3f c2 00 verw 0xc23f41(%rip) # 0xc23f64
23: e8 2c 34 09 f8 callq 0xf8093454
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 36 09 f8 callq 0xf80936e4
3d: 48 85 db test %rbx,%rbx