usb 2-1: received invalid command response:got 12, 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 12 at addr ffffc90014157a38 by task udevd/5240
CPU: 1 UID: 0 PID: 5240 Comm: udevd Not tainted syzkaller #0 PREEMPT(lazy)
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: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: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:core_kernel_text kernel/extable.c:71 [inline]
RIP: 0010:kernel_text_address+0x57/0x100 kernel/extable.c:99
Code: 48 89 df e8 9b 89 da ff 85 c0 75 e5 48 c7 c0 84 2d f0 8a 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 <0f> b6 14 11 38 d0 7c 08 84 d2 0f 85 85 00 00 00 83 3d 86 1d 71 09
RSP: 0018:ffffc900022b7988 EFLAGS: 00000202
RAX: 0000000000000007 RBX: 00007effba850a67 RCX: 1ffffffff15e05b0
RDX: dffffc0000000000 RSI: ffffffff815999b8 RDI: ffff888119d9d940
RBP: ffffc900022b7a10 R08: 0000000000000007 R09: ffffffffff600000
R10: 00007effba850000 R11: 0000000000000001 R12: ffffffff819d9b70
R13: ffffc900022b7a88 R14: 0000000000000000 R15: ffff888119d9d940
__kernel_text_address+0xd/0x30 kernel/extable.c:79
unwind_get_return_address+0x59/0xa0 arch/x86/kernel/unwind_orc.c:385
arch_stack_walk+0xa6/0xf0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x43/0x70 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2689 [inline]
slab_free mm/slub.c:6251 [inline]
kfree+0x204/0x650 mm/slub.c:6566
seq_release+0x4b/0x80 fs/seq_file.c:356
kernfs_fop_release+0xf4/0x1f0 fs/kernfs/file.c:784
__fput+0x3ff/0xb50 fs/file_table.c:510
fput_close_sync+0x118/0x250 fs/file_table.c:615
__do_sys_close fs/open.c:1507 [inline]
__se_sys_close fs/open.c:1492 [inline]
__x64_sys_close+0x8b/0x120 fs/open.c:1492
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: 0033:0x7effba850a67
Code: 44 00 00 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 01 31 c9 e8 ca 19 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 61 b3 0d 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffd1f2d41c8 EFLAGS: 00000297 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00005613ff06c100 RCX: 00007effba850a67
RDX: 00007effba92aea0 RSI: 00005613ff085240 RDI: 0000000000000008
RBP: 00007effba92aff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000000
R13: 3d45505954564544 R14: 3d5845444e494649 R15: 3d454d414e564544
The buggy address belongs to a 8-page vmalloc region starting at 0xffffc90014150000 allocated at kernel_clone+0x176/0x9e0 kernel/fork.c:2722
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x142a37
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 dead000000000100 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 1094834484889, free_ts 1060490444972
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1853
prep_new_page mm/page_alloc.c:1861 [inline]
get_page_from_freelist+0x20a5/0x3850 mm/page_alloc.c:3941
__alloc_frozen_pages_noprof+0x273/0x28a0 mm/page_alloc.c:5221
__alloc_pages_noprof+0xb/0x110 mm/page_alloc.c:5255
__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+0x176/0x9e0 kernel/fork.c:2722
kernel_thread+0xdb/0x120 kernel/fork.c:2783
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 5461 tgid 5461 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x6d8/0xf60 mm/page_alloc.c:2938
vfree mm/vmalloc.c:3472 [inline]
vfree+0x15f/0x8d0 mm/vmalloc.c:3436
dvb_usbv2_adapter_dvb_exit drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:522 [inline]
dvb_usbv2_adapter_exit drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:828 [inline]
dvb_usbv2_exit.isra.0+0x1b7/0xb70 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:844
dvb_usbv2_probe+0x669/0x970 drivers/media/usb/dvb-usb-v2/dvb_usb_core.c:994
usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:631 [inline]
really_probe+0x241/0xa60 drivers/base/dd.c:709
__driver_probe_device+0x22e/0x480 drivers/base/dd.c:871
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:901
__device_attach_driver+0x1df/0x340 drivers/base/dd.c:1029
bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
__device_attach+0x1e4/0x4d0 drivers/base/dd.c:1101
device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1156
bus_probe_device+0x64/0x160 drivers/base/bus.c:613
device_add+0x1210/0x1950 drivers/base/core.c:3706
usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
Memory state around the buggy address:
ffffc90014157900: f1 f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00
ffffc90014157980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90014157a00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00
^
ffffc90014157a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc90014157b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
0: 48 89 df mov %rbx,%rdi
3: e8 9b 89 da ff call 0xffda89a3
8: 85 c0 test %eax,%eax
a: 75 e5 jne 0xfffffff1
c: 48 c7 c0 84 2d f0 8a mov $0xffffffff8af02d84,%rax
13: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
1a: fc ff df
1d: 48 89 c1 mov %rax,%rcx
20: 83 e0 07 and $0x7,%eax
23: 48 c1 e9 03 shr $0x3,%rcx
27: 83 c0 03 add $0x3,%eax
* 2a: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx <-- trapping instruction
2e: 38 d0 cmp %dl,%al
30: 7c 08 jl 0x3a
32: 84 d2 test %dl,%dl
34: 0f 85 85 00 00 00 jne 0xbf
3a: 83 .byte 0x83
3b: 3d 86 1d 71 09 cmp $0x9711d86,%eax