==================================================================
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline]
BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xea7/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686
Read of size 4 at addr ffff8880739742e8 by task kworker/u4:20/6575
CPU: 1 PID: 6575 Comm: kworker/u4:20 Not tainted 5.19.0-rc1-next-20220610-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
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: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:debug_smp_processor_id+0x0/0x20 lib/smp_processor_id.c:60
Code: 4d 8d 86 20 08 00 00 83 e9 01 e8 29 9d bb ff 48 8b 74 24 28 48 c7 c7 60 50 28 8a e8 18 9d bb ff e8 9d f4 cb ff eb a2 0f 1f 00 <0f> 1f 44 00 00 48 c7 c6 a0 50 28 8a 48 c7 c7 e0 50 28 8a e9 78 fe
RSP: 0018:ffffc90003fcfc68 EFLAGS: 00000283
RAX: 0000000000000000 RBX: ffff8880789612a8 RCX: 0000000000000000
RDX: ffff88807d0cba80 RSI: ffffffff8914e751 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000255
rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:345 [inline]
rcu_is_watching+0xe/0xb0 kernel/rcu/tree.c:1142
rcu_read_unlock include/linux/rcupdate.h:736 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x836/0xfa0 net/batman-adv/network-coding.c:719
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
Allocated by task 0:
(stack is not available)
The buggy address belongs to the object at ffff888073973300
which belongs to the cache names_cache of size 4096
The buggy address is located 4072 bytes inside of
4096-byte region [ffff888073973300, ffff888073974300)
The buggy address belongs to the physical page:
page:ffffea0001ce5c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x73970
head:ffffea0001ce5c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888140007640
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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 2964, tgid 2964 (syslogd), ts 2850069360129, free_ts 2850046108978
prep_new_page mm/page_alloc.c:2460 [inline]
get_page_from_freelist+0xa64/0x3d10 mm/page_alloc.c:4279
__alloc_pages+0x1c7/0x510 mm/page_alloc.c:5500
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2279
alloc_slab_page mm/slub.c:1797 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1942
new_slab mm/slub.c:2002 [inline]
___slab_alloc+0x985/0xd90 mm/slub.c:3002
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089
slab_alloc_node mm/slub.c:3180 [inline]
slab_alloc mm/slub.c:3222 [inline]
__kmem_cache_alloc_lru mm/slub.c:3229 [inline]
kmem_cache_alloc+0x360/0x3b0 mm/slub.c:3239
getname_flags.part.0+0x50/0x4f0 fs/namei.c:139
getname_flags include/linux/audit.h:323 [inline]
getname+0x8e/0xd0 fs/namei.c:218
do_sys_openat2+0xf5/0x4c0 fs/open.c:1272
do_sys_open fs/open.c:1294 [inline]
__do_sys_openat fs/open.c:1310 [inline]
__se_sys_openat fs/open.c:1305 [inline]
__x64_sys_openat+0x13f/0x1f0 fs/open.c:1305
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
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1375 [inline]
free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1425
free_unref_page_prepare mm/page_alloc.c:3311 [inline]
free_unref_page+0x19/0x7b0 mm/page_alloc.c:3426
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+0x1c7/0x1f00 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: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
Memory state around the buggy address:
ffff888073974180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888073974200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888073974280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888073974300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888073974380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 4d 8d 86 20 08 00 00 lea 0x820(%r14),%r8
7: 83 e9 01 sub $0x1,%ecx
a: e8 29 9d bb ff callq 0xffbb9d38
f: 48 8b 74 24 28 mov 0x28(%rsp),%rsi
14: 48 c7 c7 60 50 28 8a mov $0xffffffff8a285060,%rdi
1b: e8 18 9d bb ff callq 0xffbb9d38
20: e8 9d f4 cb ff callq 0xffcbf4c2
25: eb a2 jmp 0xffffffc9
27: 0f 1f 00 nopl (%rax)
* 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction
2f: 48 c7 c6 a0 50 28 8a mov $0xffffffff8a2850a0,%rsi
36: 48 c7 c7 e0 50 28 8a mov $0xffffffff8a2850e0,%rdi
3d: e9 .byte 0xe9
3e: 78 fe js 0x3e