ir_toy 7-1:8.177: out urb status: -71 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 ffffc900017e7a38 by task ksoftirqd/0/14 CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 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 run_ksoftirqd kernel/softirq.c:1076 [inline] run_ksoftirqd+0x38/0x60 kernel/softirq.c:1068 smpboot_thread_fn+0x3d3/0xaa0 kernel/smpboot.c:160 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 a 8-page vmalloc region starting at 0xffffc900017e0000 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:0x10e6d7 flags: 0x200000000000000(node=0|zone=2) raw: 0200000000000000 ffffea000439b5c8 ffffea000439b5c8 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 31, tgid 31 (kworker/u8:1), ts 4712954278, free_ts 0 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 user_mode_thread+0xcc/0x110 kernel/fork.c:2798 call_usermodehelper_exec_work kernel/umh.c:171 [inline] call_usermodehelper_exec_work+0xcb/0x180 kernel/umh.c:157 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3314 process_scheduled_works kernel/workqueue.c:3397 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3478 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_owner free stack trace missing Memory state around the buggy address: ffffc900017e7900: f1 f1 f1 00 00 00 f3 f3 f3 f3 f3 00 00 00 00 00 ffffc900017e7980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc900017e7a00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00 ^ ffffc900017e7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc900017e7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================