==================================================================
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 ffff888119a842e8 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/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:finish_task_switch.isra.0+0x24d/0xa10 kernel/sched/core.c:5026
Code: 8b 3a 4c 89 e7 48 c7 02 00 00 00 00 ff d1 4d 85 ff 75 bf 4c 89 e7 e8 62 3c d0 04 e8 2d 73 2b 00 fb 65 48 8b 1c 25 c0 6e 02 00 <48> 8d bb 98 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffffff87807ce0 EFLAGS: 00000202
RAX: 0000000001dd1c49 RBX: ffffffff87852940 RCX: 1ffffffff11ba311
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffff87807d28 R08: 0000000000000001 R09: 0000000000000001
R10: ffffed103ed06f68 R11: 0000000000000001 R12: ffff8881f6837b40
R13: ffff8881131f3900 R14: 0000000000000000 R15: 0000000000000002
context_switch kernel/sched/core.c:5149 [inline]
__schedule+0x947/0x2630 kernel/sched/core.c:6458
schedule_idle+0x57/0x90 kernel/sched/core.c:6558
do_idle+0x303/0x590 kernel/sched/idle.c:331
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 0:
(stack is not available)
The buggy address belongs to the object at ffff888119a84000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 744 bytes inside of
4096-byte region [ffff888119a84000, ffff888119a85000)
The buggy address belongs to the physical page:
page:ffffea000466a000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119a80
head:ffffea000466a000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x200000000010200(slab|head|node=0|zone=2)
raw: 0200000000010200 0000000000000000 dead000000000122 ffff888100042140
raw: 0000000000000000 0000000080040004 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 0x1d2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 2615, tgid 2601 (syz-executor.2), ts 2695501224485, free_ts 2695356185889
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]
__kmalloc+0x306/0x320 mm/slub.c:4442
kmalloc include/linux/slab.h:605 [inline]
tomoyo_realpath_from_path+0xc3/0x620 security/tomoyo/realpath.c:254
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x1d5/0x590 security/tomoyo/file.c:723
security_file_ioctl+0x50/0xb0 security/security.c:1551
__do_sys_ioctl fs/ioctl.c:864 [inline]
__se_sys_ioctl fs/ioctl.c:856 [inline]
__x64_sys_ioctl+0xb3/0x200 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
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:
ffff888119a84180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888119a84200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888119a84280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff888119a84300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888119a84380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 8b 3a mov (%rdx),%edi
2: 4c 89 e7 mov %r12,%rdi
5: 48 c7 02 00 00 00 00 movq $0x0,(%rdx)
c: ff d1 callq *%rcx
e: 4d 85 ff test %r15,%r15
11: 75 bf jne 0xffffffd2
13: 4c 89 e7 mov %r12,%rdi
16: e8 62 3c d0 04 callq 0x4d03c7d
1b: e8 2d 73 2b 00 callq 0x2b734d
20: fb sti
21: 65 48 8b 1c 25 c0 6e mov %gs:0x26ec0,%rbx
28: 02 00
* 2a: 48 8d bb 98 14 00 00 lea 0x1498(%rbx),%rdi <-- trapping instruction
31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
38: fc ff df
3b: 48 89 fa mov %rdi,%rdx
3e: 48 rex.W
3f: c1 .byte 0xc1