usb 9-1: 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 ffffc9000147fa38 by task syz.8.5187/27758
CPU: 0 UID: 0 PID: 27758 Comm: syz.8.5187 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/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:deref_stack_reg arch/x86/kernel/unwind_orc.c:422 [inline]
RIP: 0010:unwind_next_frame+0xd26/0x2090 arch/x86/kernel/unwind_orc.c:614
Code: ff 48 8b 7c 24 28 e8 f9 ea ff ff 48 89 ee 48 8b 4c 24 20 48 ba 00 00 00 00 00 fc ff df 48 c1 ee 03 4c 8b 44 24 18 80 3c 16 00 <0f> 85 b2 0f 00 00 48 8b 14 24 49 89 45 48 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90006557990 EFLAGS: 00000246
RAX: ffffffff854706d5 RBX: 0000000000000001 RCX: ffffffff8b607f58
RDX: dffffc0000000000 RSI: 1ffff92000caaf49 RDI: ffffc90006557de8
RBP: ffffc90006557a48 R08: ffffffff8b607f5c R09: 0000000000000007
R10: 0000000000000200 R11: 0000000000010fe1 R12: ffffc90006557a50
R13: ffffc90006557a00 R14: ffffc90006557df0 R15: ffffc90006557a34
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
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
raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1154 [inline]
raw_ioctl+0x265/0x2b80 drivers/usb/gadget/legacy/raw_gadget.c:1325
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
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: 0033:0x7f34b9efcaeb
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007f34b8955f60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f34b9efcaeb
RDX: 00007f34b8955fe0 RSI: 0000000040085507 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f34ba2a0320 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000200000000280
R13: 000000000000000c R14: 00007f34ba175fa0 R15: 00007ffc8e3d9f48
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:0x118f0f
flags: 0x200000000000000(node=0|zone=2)
raw: 0200000000000000 0000000000000000 ffffea000463c3c8 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 15570, tgid 15570 (dhcpcd-run-hook), ts 1144564212342, free_ts 1144539750017
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_mpol+0xe8/0x410 mm/mempolicy.c:2490
alloc_pages_noprof+0x1a/0x160 mm/mempolicy.c:2581
vm_area_alloc_pages mm/vmalloc.c:3653 [inline]
__vmalloc_area_node mm/vmalloc.c:3878 [inline]
__vmalloc_node_range_noprof+0xf9a/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
__do_sys_clone+0xd9/0x120 kernel/fork.c:2863
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
page last free pid 15570 tgid 15570 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
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:4570 [inline]
slab_alloc_node mm/slub.c:4899 [inline]
kmem_cache_alloc_noprof+0x2e7/0x6a0 mm/slub.c:4906
anon_vma_chain_alloc mm/rmap.c:142 [inline]
__anon_vma_prepare+0xae/0x5e0 mm/rmap.c:194
__vmf_anon_prepare+0x11f/0x250 mm/memory.c:3829
vmf_anon_prepare mm/internal.h:503 [inline]
do_cow_fault mm/memory.c:5929 [inline]
do_fault mm/memory.c:6045 [inline]
do_pte_missing mm/memory.c:4566 [inline]
handle_pte_fault mm/memory.c:6427 [inline]
__handle_mm_fault+0x82c/0x2780 mm/memory.c:6565
handle_mm_fault+0x37b/0xa30 mm/memory.c:6734
do_user_addr_fault+0x5ae/0x11d0 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x66/0xc0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
Memory state around the buggy address:
ffffc9000147f900: f1 f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00
ffffc9000147f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000147fa00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00
^
ffffc9000147fa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffffc9000147fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 8b 7c 24 28 mov 0x28(%rsp),%rdi
5: e8 f9 ea ff ff call 0xffffeb03
a: 48 89 ee mov %rbp,%rsi
d: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx
12: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
19: fc ff df
1c: 48 c1 ee 03 shr $0x3,%rsi
20: 4c 8b 44 24 18 mov 0x18(%rsp),%r8
25: 80 3c 16 00 cmpb $0x0,(%rsi,%rdx,1)
* 29: 0f 85 b2 0f 00 00 jne 0xfe1 <-- trapping instruction
2f: 48 8b 14 24 mov (%rsp),%rdx
33: 49 89 45 48 mov %rax,0x48(%r13)
37: 48 rex.W
38: b8 00 00 00 00 mov $0x0,%eax
3d: 00 fc add %bh,%ah