==================================================================
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 ffff8881176442e8 by task syz-executor.0/4878
CPU: 0 PID: 4878 Comm: syz-executor.0 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 5a 6d 39 fb 48 89 ef e8 62 ee 39 fb 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 d3 79 2f fb 65 8b 05 ac 36 12 7a 85 c0 74 0a 5b 5d c3 e8 d0 35
RSP: 0018:ffffc9000d577e10 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff11ba311
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff888115328008 R08: 0000000000000001 R09: 0000000000000001
R10: ffffed1022a65001 R11: 0000000000000001 R12: 0000000000000293
R13: ffff888115328008 R14: fffffffffffffff0 R15: 1ffff92001aaefce
spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
raw_ioctl_ep0_stall drivers/usb/gadget/legacy/raw_gadget.c:784 [inline]
raw_ioctl+0xef2/0x2780 drivers/usb/gadget/legacy/raw_gadget.c:1286
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
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: 0033:0x7f6416399fc7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 34 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6415b0e098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6415b0f110 RCX: 00007f6416399fc7
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000004
RBP: 0000000000000004 R08: 000000000000e9ef R09: 000000000000000b
R10: 00007f6415b0e140 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000020000040 R15: 0000000000000868
Allocated by task 0:
(stack is not available)
The buggy address belongs to the object at ffff888117644000
which belongs to the cache kmalloc-cg-4k of size 4096
The buggy address is located 744 bytes inside of
4096-byte region [ffff888117644000, ffff888117645000)
The buggy address belongs to the physical page:
page:ffffea00045d9000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x117640
head:ffffea00045d9000 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff888109378481
flags: 0x200000000010200(slab|head|node=0|zone=2)
raw: 0200000000010200 0000000000000000 dead000000000122 ffff88810004c280
raw: 0000000000000000 0000000080040004 00000001ffffffff ffff888109378481
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 4049, tgid 4049 (udevd), ts 135103547076, free_ts 135062155036
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]
__kmalloc_node+0x12a/0x360 mm/slub.c:4490
kmalloc_node include/linux/slab.h:623 [inline]
kvmalloc_node+0x3e/0x190 mm/util.c:613
kvmalloc include/linux/slab.h:750 [inline]
seq_buf_alloc fs/seq_file.c:38 [inline]
seq_read_iter+0x7f7/0x1280 fs/seq_file.c:210
kernfs_fop_read_iter+0x506/0x6e0 fs/kernfs/file.c:235
call_read_iter include/linux/fs.h:2052 [inline]
new_sync_read+0x384/0x5f0 fs/read_write.c:401
vfs_read+0x492/0x5d0 fs/read_write.c:482
ksys_read+0x127/0x250 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+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:
ffff888117644180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888117644200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888117644280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888117644300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888117644380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: 5a pop %rdx
5: 6d insl (%dx),%es:(%rdi)
6: 39 fb cmp %edi,%ebx
8: 48 89 ef mov %rbp,%rdi
b: e8 62 ee 39 fb callq 0xfb39ee72
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 25 jne 0x3d
18: 9c pushfq
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 2d jne 0x4c
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 d3 79 2f fb callq 0xfb2f7a02 <-- trapping instruction
2f: 65 8b 05 ac 36 12 7a mov %gs:0x7a1236ac(%rip),%eax # 0x7a1236e2
36: 85 c0 test %eax,%eax
38: 74 0a je 0x44
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 retq
3d: e8 .byte 0xe8
3e: d0 .byte 0xd0
3f: 35 .byte 0x35