usb 3-1: 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 ffffc900019cfa30 by task udevd/3035
CPU: 0 UID: 0 PID: 3035 Comm: udevd Not tainted syzkaller #0 PREEMPT(lazy)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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/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 a6 12 fa 48 89 df e8 7e f6 12 fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 f5 80 05 fa 65 8b 05 ce 92 80 05 85 c0 74 16 5b
RSP: 0018:ffffc9000259fa48 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff88810005c780 RCX: 0000000000000040
RDX: 0000000000000000 RSI: ffffffff890efc36 RDI: ffffffff87b15200
RBP: 0000000000000202 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffea0004d85c00
R13: 0000000000000202 R14: ffffea0004d85c10 R15: ffff88810005d500
spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
alloc_from_new_slab+0x228/0x310 mm/slub.c:4442
refill_objects+0xcb/0x410 mm/slub.c:7344
refill_sheaf mm/slub.c:2832 [inline]
__pcs_replace_empty_main+0x376/0x680 mm/slub.c:4703
alloc_from_pcs mm/slub.c:4801 [inline]
slab_alloc_node mm/slub.c:4933 [inline]
__do_kmalloc_node mm/slub.c:5361 [inline]
__kvmalloc_node_noprof+0x732/0x910 mm/slub.c:6933
seq_buf_alloc fs/seq_file.c:39 [inline]
seq_read_iter+0x819/0x1270 fs/seq_file.c:211
kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
new_sync_read fs/read_write.c:493 [inline]
vfs_read+0x82e/0xb40 fs/read_write.c:574
ksys_read+0x12a/0x250 fs/read_write.c:716
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: 0033:0x7f9044945407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007fff6a1ddbb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f9044857880 RCX: 00007f9044945407
RDX: 0000000000001000 RSI: 000055a657b24fc0 RDI: 0000000000000008
RBP: 00007f9044a8dff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
R13: 00007f9044a8dea0 R14: 0000000000000000 R15: 000055a657ae72d0
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:0x10af57
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 00000000ffffffff 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 401, tgid 401 (kworker/u8:2), ts 2940557258248, free_ts 2933374255617
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_mpol+0xe8/0x410 mm/mempolicy.c:2490
alloc_pages_noprof+0x1a/0x160 mm/mempolicy.c:2581
vm_area_alloc_pages mm/vmalloc.c:3667 [inline]
__vmalloc_area_node mm/vmalloc.c:3892 [inline]
__vmalloc_node_range_noprof+0xf9a/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:2110
kernel_clone+0x176/0x9d0 kernel/fork.c:2747
user_mode_thread+0xcc/0x110 kernel/fork.c:2823
call_usermodehelper_exec_sync kernel/umh.c:132 [inline]
call_usermodehelper_exec_work+0x6b/0x180 kernel/umh.c:163
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
page last free pid 6158 tgid 6158 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1406 [inline]
free_pages_prepare+0x558/0xcb0 mm/page_alloc.c:1451
__free_contig_range_common.constprop.0+0x12c/0x230 mm/page_alloc.c:6897
__free_contig_range mm/page_alloc.c:6942 [inline]
free_pages_bulk+0x126/0x1f0 mm/page_alloc.c:5257
vm_area_free_pages+0xad/0x2b0 mm/vmalloc.c:3439
vfree mm/vmalloc.c:3488 [inline]
vfree+0x107/0x750 mm/vmalloc.c:3462
delayed_vfree_work+0x56/0x80 mm/vmalloc.c:3392
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
Memory state around the buggy address:
ffffc900019cf900: f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 00
ffffc900019cf980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900019cfa00: f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00 00
^
ffffc900019cfa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc900019cfb00: 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 a6 12 fa call 0xfa12a709
13: 48 89 df mov %rbx,%rdi
16: e8 7e f6 12 fa call 0xfa12f699
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 f5 80 05 fa call 0xfa058129
34: 65 8b 05 ce 92 80 05 mov %gs:0x58092ce(%rip),%eax # 0x5809309
3b: 85 c0 test %eax,%eax
3d: 74 16 je 0x55
3f: 5b pop %rbx