==================================================================
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 ffff888118dfc2e8 by task udevd/1182
CPU: 0 PID: 1182 Comm: udevd Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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/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+0x380/0x430 drivers/usb/core/hcd.c:1753
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+0x288/0x9a5 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__phys_addr+0x11/0x140 arch/x86/mm/physaddr.c:17
Code: c7 c7 10 c0 84 87 e8 be d2 67 00 eb a7 e8 b7 d2 67 00 e9 38 ff ff ff 66 90 41 55 41 54 45 31 e4 55 bd 00 00 00 80 53 48 89 fb 2a dd 32 00 48 01 dd 48 89 df 41 0f 92 c4 48 89 ee e8 f8 d8 32
RSP: 0018:ffffc90000527be0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88810f554000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81124c74 RDI: ffff88810f554000
RBP: 0000000080000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888100042140 R14: ffff88810f554000 R15: ffff888100042140
virt_to_folio include/linux/mm.h:853 [inline]
virt_to_slab mm/slab.h:175 [inline]
memcg_slab_free_hook mm/slab.h:567 [inline]
memcg_slab_free_hook mm/slab.h:550 [inline]
do_slab_free mm/slub.c:3469 [inline]
___cache_free+0x70/0x3d0 mm/slub.c:3543
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x78/0x80 mm/kasan/common.c:446
kasan_slab_alloc include/linux/kasan.h:224 [inline]
slab_post_alloc_hook mm/slab.h:750 [inline]
slab_alloc_node mm/slub.c:3243 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x241/0x480 mm/slub.c:3268
getname_flags.part.0+0x50/0x4f0 fs/namei.c:139
getname_flags+0x9a/0xe0 include/linux/audit.h:323
vfs_fstatat+0x73/0xb0 fs/stat.c:254
__do_sys_newfstatat+0x91/0x110 fs/stat.c:425
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+0x63/0xcd
RIP: 0033:0x7f8ed71f01da
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 69 fc 0c 00 f7
RSP: 002b:00007ffd389dbca8 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000055e7349ef290 RCX: 00007f8ed71f01da
RDX: 00007ffd389dbcb0 RSI: 00007f8ed728675a RDI: 000000000000000c
RBP: 000000000000000c R08: 0000000000090800 R09: 000055e7349e89f0
R10: 0000000000001000 R11: 0000000000000206 R12: 00007ffd389dbcb0
R13: 0000000000000100 R14: 0000000000000000 R15: 0000000000000000
Allocated by task 0:
(stack is not available)
The buggy address belongs to the object at ffff888118dfb300
which belongs to the cache names_cache of size 4096
The buggy address is located 4072 bytes inside of
4096-byte region [ffff888118dfb300, ffff888118dfc300)
The buggy address belongs to the physical page:
page:ffffea0004637e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x118df8
head:ffffea0004637e00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head|node=0|zone=2)
raw: 0200000000010200 0000000000000000 dead000000000122 ffff88810016c500
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 1182, tgid 1182 (udevd), ts 1169383887852, free_ts 1169361133047
prep_new_page mm/page_alloc.c:2456 [inline]
get_page_from_freelist+0x138c/0x27a0 mm/page_alloc.c:4198
__alloc_pages+0x1c7/0x510 mm/page_alloc.c:5426
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272
alloc_slab_page mm/slub.c:1824 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1969
new_slab mm/slub.c:2029 [inline]
___slab_alloc+0x98f/0xda0 mm/slub.c:3031
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
slab_alloc_node mm/slub.c:3209 [inline]
slab_alloc mm/slub.c:3251 [inline]
__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
kmem_cache_alloc+0x3bb/0x480 mm/slub.c:3268
getname_flags.part.0+0x50/0x4f0 fs/namei.c:139
getname_flags+0x9a/0xe0 include/linux/audit.h:323
vfs_fstatat+0x73/0xb0 fs/stat.c:254
__do_sys_newfstatat+0x91/0x110 fs/stat.c:425
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+0x63/0xcd
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+0x537/0xb80 mm/page_alloc.c:1421
free_unref_page_prepare mm/page_alloc.c:3343 [inline]
free_unref_page+0x19/0x5a0 mm/page_alloc.c:3438
device_release+0x9f/0x240 drivers/base/core.c:2241
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:3535
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+0x2ef/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Memory state around the buggy address:
ffff888118dfc180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888118dfc200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888118dfc280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888118dfc300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888118dfc380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: c7 c7 10 c0 84 87 mov $0x8784c010,%edi
6: e8 be d2 67 00 callq 0x67d2c9
b: eb a7 jmp 0xffffffb4
d: e8 b7 d2 67 00 callq 0x67d2c9
12: e9 38 ff ff ff jmpq 0xffffff4f
17: 66 90 xchg %ax,%ax
19: 41 55 push %r13
1b: 41 54 push %r12
1d: 45 31 e4 xor %r12d,%r12d
20: 55 push %rbp
21: bd 00 00 00 80 mov $0x80000000,%ebp
26: 53 push %rbx
27: 48 89 fb mov %rdi,%rbx
* 2a: e8 2a dd 32 00 callq 0x32dd59 <-- trapping instruction
2f: 48 01 dd add %rbx,%rbp
32: 48 89 df mov %rbx,%rdi
35: 41 0f 92 c4 setb %r12b
39: 48 89 ee mov %rbp,%rsi
3c: e8 .byte 0xe8
3d: f8 clc
3e: d8 32 fdivs (%rdx)