usb 4-1: received invalid command response:got 60, instead of 4 usb 4-1: 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 ffffc9000207fa38 by task kworker/1:3/5234 CPU: 1 UID: 0 PID: 5234 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 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/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:523 [inline] do_softirq+0xac/0xe0 kernel/softirq.c:510 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450 spin_unlock_bh include/linux/spinlock.h:396 [inline] carl9170_exec_cmd+0x1de/0x480 drivers/net/wireless/ath/carl9170/usb.c:680 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+0x13c/0x250 drivers/base/firmware_loader/main.c:1152 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 The buggy address belongs to stack of task kworker/1:3/5234 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:0x11ea37 flags: 0x200000000000000(node=0|zone=2) raw: 0200000000000000 0000000000000000 ffffea00047a8dc8 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 84600915947, free_ts 62699258287 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 4138 tgid 4138 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 mt_alloc_one lib/maple_tree.c:139 [inline] mas_alloc_nodes lib/maple_tree.c:1089 [inline] mas_preallocate+0x1105/0x14a0 lib/maple_tree.c:4961 vma_iter_prealloc mm/vma.h:577 [inline] expand_downwards+0x32c/0xcc0 mm/vma.c:3230 setup_arg_pages+0x94d/0xd30 fs/exec.c:714 load_elf_binary+0xafd/0x50d0 fs/binfmt_elf.c:1028 search_binary_handler fs/exec.c:1664 [inline] exec_binprm fs/exec.c:1696 [inline] bprm_execve fs/exec.c:1748 [inline] bprm_execve+0x8ef/0x16c0 fs/exec.c:1724 kernel_execve+0x31e/0x3a0 fs/exec.c:1892 call_usermodehelper_exec_async+0x239/0x4b0 kernel/umh.c:109 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: ffffc9000207f900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000207f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc9000207fa00: 00 f1 f1 f1 f1 f1 f1 04 f2 04 f3 f3 f3 00 00 00 ^ ffffc9000207fa80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc9000207fb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================