usb 2-1: received invalid command response:got 60, instead of 4
usb 2-1: restart device (9)
==================================================================
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 60 at addr ffffc90002dafa30 by task kworker/1:3/5231
CPU: 1 UID: 0 PID: 5231 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(lazy)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Workqueue: events request_firmware_work_func
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/0x1c0 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:1657
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
dummy_timer+0xda1/0x36c0 drivers/usb/gadget/udc/dummy_hcd.c:2005
__run_hrtimer kernel/time/hrtimer.c:2032 [inline]
__hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096
hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113
handle_softirqs+0x1dd/0x990 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:1062 [inline]
sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:198
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f6 02 12 fa 48 89 df e8 7e 52 12 fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 85 e0 04 fa 65 8b 05 ce 42 80 05 85 c0 74 16 5b
RSP: 0018:ffffc90002daf948 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8881135fbac0 RCX: 0000000000000040
RDX: 0000000000000000 RSI: ffffffff890f1bd0 RDI: ffffffff87b15380
RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 000000000000594b R12: 0000000000000000
R13: 0000000040020900 R14: ffff888113850e00 R15: ffff888120d9c000
__carl9170_exec_cmd+0x30d/0x5d0 drivers/net/wireless/ath/carl9170/usb.c:647
carl9170_exec_cmd+0x222/0x480 drivers/net/wireless/ath/carl9170/usb.c:683
carl9170_echo_test+0x9a/0x120 drivers/net/wireless/ath/carl9170/cmd.c:104
carl9170_usb_load_firmware+0x30e/0x470 drivers/net/wireless/ath/carl9170/usb.c:859
carl9170_usb_init_device.part.0+0x39c/0x4c0 drivers/net/wireless/ath/carl9170/usb.c:959
carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:947 [inline]
carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:1006 [inline]
carl9170_usb_firmware_step2+0x193/0x240 drivers/net/wireless/ath/carl9170/usb.c:1035
request_firmware_work_func+0x13f/0x440 drivers/base/firmware_loader/main.c:1164
process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
process_scheduled_works kernel/workqueue.c:3405 [inline]
worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
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
The buggy address belongs to stack of task kworker/1:3/5231
and is located at offset 48 in frame:
carl9170_echo_test+0x0/0x120 drivers/net/wireless/ath/carl9170/cmd.c:71
This frame has 2 objects:
[48, 52) 'echores'
[64, 68) 'v'
The buggy address belongs to a vmalloc virtual mapping
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x123387
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 94761416222, free_ts 77433748115
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0xf25/0x3400 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x28f/0x2b90 mm/page_alloc.c:5304
__alloc_pages_noprof+0xb/0x110 mm/page_alloc.c:5338
__alloc_pages_node_noprof include/linux/gfp.h:291 [inline]
alloc_pages_node_noprof include/linux/gfp.h:318 [inline]
vm_area_alloc_pages mm/vmalloc.c:3669 [inline]
__vmalloc_area_node mm/vmalloc.c:3892 [inline]
__vmalloc_node_range_noprof+0xe0c/0x1630 mm/vmalloc.c:4082
__vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4143
alloc_thread_stack_node kernel/fork.c:359 [inline]
dup_task_struct kernel/fork.c:929 [inline]
copy_process+0x7fb/0x7dd0 kernel/fork.c:2115
kernel_clone+0x176/0x9d0 kernel/fork.c:2748
kernel_thread+0xdb/0x120 kernel/fork.c:2809
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 4407 tgid 4407 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
__free_frozen_pages+0x716/0xf50 mm/page_alloc.c:2950
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:4612 [inline]
slab_alloc_node mm/slub.c:4945 [inline]
kmem_cache_alloc_noprof+0x2e2/0x640 mm/slub.c:4959
vm_area_dup+0x25/0x6e0 mm/vma_init.c:123
__split_vma+0x18c/0xd70 mm/vma.c:516
vms_gather_munmap_vmas+0x3a5/0x1670 mm/vma.c:1448
__mmap_setup mm/vma.c:2439 [inline]
__mmap_region+0x4ae/0x2a70 mm/vma.c:2756
mmap_region+0x35d/0x620 mm/vma.c:2860
do_mmap+0xc53/0x12d0 mm/mmap.c:560
vm_mmap_pgoff+0x201/0x390 mm/util.c:581
ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
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
Memory state around the buggy address:
ffffc90002daf900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc90002daf980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90002dafa00: f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00 00
^
ffffc90002dafa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc90002dafb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
0: f5 cmc
1: 53 push %rbx
2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
7: 48 89 fb mov %rdi,%rbx
a: 48 83 c7 18 add $0x18,%rdi
e: e8 f6 02 12 fa call 0xfa120309
13: 48 89 df mov %rbx,%rdi
16: e8 7e 52 12 fa call 0xfa125299
1b: f7 c5 00 02 00 00 test $0x200,%ebp
21: 75 23 jne 0x46
23: 9c pushf
24: 58 pop %rax
25: f6 c4 02 test $0x2,%ah
28: 75 37 jne 0x61
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 85 e0 04 fa call 0xfa04e0b9
34: 65 8b 05 ce 42 80 05 mov %gs:0x58042ce(%rip),%eax # 0x5804309
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx