usb 8-1: received invalid command response:got 14, instead of 4
==================================================================
BUG: KASAN: stack-out-of-bounds in carl9170_cmd_callback drivers/net/wireless/ath/carl9170/rx.c:153 [inline]
BUG: KASAN: stack-out-of-bounds in carl9170_handle_command_response+0x21f/0xc50 drivers/net/wireless/ath/carl9170/rx.c:168
Write of size 14 at addr ffffc90001437a38 by task modprobe/14836
CPU: 1 UID: 0 PID: 14836 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0x13d/0x4b0 mm/kasan/report.c:482
kasan_report+0xdf/0x1d0 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:186 [inline]
kasan_check_range+0x10f/0x1e0 mm/kasan/generic.c:200
__asan_memcpy+0x3c/0x60 mm/kasan/shadow.c:106
carl9170_cmd_callback drivers/net/wireless/ath/carl9170/rx.c:153 [inline]
carl9170_handle_command_response+0x21f/0xc50 drivers/net/wireless/ath/carl9170/rx.c:168
carl9170_usb_rx_irq_complete+0xfc/0x1b0 drivers/net/wireless/ath/carl9170/usb.c:307
__usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1659
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1743
dummy_timer+0xda1/0x36c0 drivers/usb/gadget/udc/dummy_hcd.c:2005
__run_hrtimer kernel/time/hrtimer.c:1930 [inline]
__hrtimer_run_queues+0x470/0xa00 kernel/time/hrtimer.c:1994
hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2011
handle_softirqs+0x1dd/0x9e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x160/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1061
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:validate_mm+0xd8/0x4e0 mm/vma.c:687
Code: 00 48 89 44 24 30 48 c1 e8 03 48 01 e8 4c 89 6c 24 20 48 89 44 24 10 eb 40 e8 04 cd a6 ff 48 8b 44 24 10 41 83 c4 01 0f b6 00 <84> c0 74 08 3c 03 0f 8e 63 03 00 00 48 8b 44 24 08 44 89 e6 8b 98
RSP: 0018:ffffc900019c75b0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88814b7f8500 RCX: ffffffff820c0223
RDX: ffff88813aa08000 RSI: ffffffff820c013c RDI: ffff88813aa08000
RBP: dffffc0000000000 R08: 0000000000000006 R09: 00007f31709ef000
R10: 00007f31709ef000 R11: 0000000000000000 R12: 0000000000000026
R13: 0000000000000000 R14: 00007f31709ef000 R15: 00007f31709ef000
__split_vma+0xa46/0xd60 mm/vma.c:570
split_vma mm/vma.c:599 [inline]
vma_modify+0x11ab/0x2290 mm/vma.c:1699
vma_modify_flags+0x1f2/0x360 mm/vma.c:1719
mprotect_fixup+0x27a/0xe30 mm/mprotect.c:789
do_mprotect_pkey+0xa4b/0xef0 mm/mprotect.c:967
__do_sys_mprotect mm/mprotect.c:988 [inline]
__se_sys_mprotect mm/mprotect.c:985 [inline]
__x64_sys_mprotect+0x78/0xc0 mm/mprotect.c:985
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x10b/0x7f0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3170b472c7
Code: 89 3d fd 3f 01 00 eb 90 0f 1f 00 f7 d8 89 05 f0 3f 01 00 48 c7 c0 ff ff ff ff eb 91 0f 1f 80 00 00 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83
RSP: 002b:00007ffddeb57d28 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f3170b1cab0 RCX: 00007f3170b472c7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f317084c000
RBP: 00007ffddeb57ff0 R08: 0000000000000000 R09: 00007f317097b700
R10: 00007f3170b1cab0 R11: 0000000000000206 R12: 0000000000000028
R13: 0000050a1012e8d5 R14: 0000000000000000 R15: 00007f3170b5b310
The buggy address belongs to a 8-page vmalloc region starting at 0xffffc90001430000 allocated at kernel_clone+0x12e/0x9c0 kernel/fork.c:2721
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13de57
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x29c2(GFP_NOWAIT|__GFP_HIGHMEM|__GFP_IO|__GFP_FS|__GFP_ZERO), pid 2, tgid 2 (kthreadd), ts 1250706739530, free_ts 1250646134812
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x153/0x170 mm/page_alloc.c:1858
prep_new_page mm/page_alloc.c:1866 [inline]
get_page_from_freelist+0xf34/0x3a90 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x273/0x28a0 mm/page_alloc.c:5226
__alloc_pages_noprof+0xb/0x110 mm/page_alloc.c:5260
__alloc_pages_node_noprof include/linux/gfp.h:289 [inline]
alloc_pages_node_noprof include/linux/gfp.h:316 [inline]
vm_area_alloc_pages mm/vmalloc.c:3655 [inline]
__vmalloc_area_node mm/vmalloc.c:3878 [inline]
__vmalloc_node_range_noprof+0xe0c/0x1630 mm/vmalloc.c:4064
__vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4124
alloc_thread_stack_node kernel/fork.c:357 [inline]
dup_task_struct kernel/fork.c:926 [inline]
copy_process+0x7fb/0x7c70 kernel/fork.c:2090
kernel_clone+0x12e/0x9c0 kernel/fork.c:2721
kernel_thread+0xdb/0x120 kernel/fork.c:2782
create_kthread kernel/kthread.c:459 [inline]
kthreadd+0x498/0x7a0 kernel/kthread.c:817
ret_from_fork+0x69a/0xc80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page last free pid 2574 tgid 2574 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1402 [inline]
__free_frozen_pages+0x692/0xf10 mm/page_alloc.c:2943
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4569 [inline]
slab_alloc_node mm/slub.c:4898 [inline]
__kmalloc_cache_noprof+0x254/0x6b0 mm/slub.c:5414
kmalloc_noprof include/linux/slab.h:950 [inline]
usb_control_msg+0xbc/0x4b0 drivers/usb/core/message.c:157
get_port_status drivers/usb/core/hub.c:607 [inline]
hub_ext_port_status+0x152/0x600 drivers/usb/core/hub.c:624
usb_hub_port_status drivers/usb/core/hub.c:674 [inline]
hub_port_wait_reset drivers/usb/core/hub.c:2974 [inline]
hub_port_reset+0x347/0x1c60 drivers/usb/core/hub.c:3093
hub_port_init+0x6da/0x3810 drivers/usb/core/hub.c:5056
hub_port_connect drivers/usb/core/hub.c:5496 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
port_event drivers/usb/core/hub.c:5871 [inline]
hub_event+0x2f27/0x4af0 drivers/usb/core/hub.c:5953
process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
process_scheduled_works kernel/workqueue.c:3385 [inline]
worker_thread+0x5ef/0xe50 kernel/workqueue.c:3466
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x69a/0xc80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Memory state around the buggy address:
ffffc90001437900: f1 f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00
ffffc90001437980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90001437a00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00
^
ffffc90001437a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc90001437b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
0: 00 48 89 add %cl,-0x77(%rax)
3: 44 24 30 rex.R and $0x30,%al
6: 48 c1 e8 03 shr $0x3,%rax
a: 48 01 e8 add %rbp,%rax
d: 4c 89 6c 24 20 mov %r13,0x20(%rsp)
12: 48 89 44 24 10 mov %rax,0x10(%rsp)
17: eb 40 jmp 0x59
19: e8 04 cd a6 ff call 0xffa6cd22
1e: 48 8b 44 24 10 mov 0x10(%rsp),%rax
23: 41 83 c4 01 add $0x1,%r12d
27: 0f b6 00 movzbl (%rax),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 74 08 je 0x36
2e: 3c 03 cmp $0x3,%al
30: 0f 8e 63 03 00 00 jle 0x399
36: 48 8b 44 24 08 mov 0x8(%rsp),%rax
3b: 44 89 e6 mov %r12d,%esi
3e: 8b .byte 0x8b
3f: 98 cwtl