microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 microsoft 0003:045E:07DA.0001: ignoring exceeding usage max ================================================================== BUG: KASAN: slab-out-of-bounds in mon_copy_to_buff+0xc2/0x170 drivers/usb/mon/mon_bin.c:252 Read of size 256 at addr ffff88807c5199a1 by task kworker/1:3/5882 CPU: 1 UID: 0 PID: 5882 Comm: kworker/1:3 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xcd/0x680 mm/kasan/report.c:521 kasan_report+0xe0/0x110 mm/kasan/report.c:634 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x100/0x1b0 mm/kasan/generic.c:189 __asan_memcpy+0x23/0x60 mm/kasan/shadow.c:105 mon_copy_to_buff+0xc2/0x170 drivers/usb/mon/mon_bin.c:252 mon_bin_get_data drivers/usb/mon/mon_bin.c:420 [inline] mon_bin_event+0x1071/0x2050 drivers/usb/mon/mon_bin.c:606 mon_bus_submit+0xcf/0x140 drivers/usb/mon/mon_main.c:89 usbmon_urb_submit include/linux/usb/hcd.h:724 [inline] usb_hcd_submit_urb+0x12d/0x1c60 drivers/usb/core/hcd.c:1518 usb_submit_urb+0x87c/0x1790 drivers/usb/core/urb.c:581 usb_start_wait_urb+0x104/0x4b0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154 usbhid_set_raw_report drivers/hid/usbhid/hid-core.c:928 [inline] usbhid_raw_request+0x58f/0x700 drivers/hid/usbhid/hid-core.c:1299 __hid_request+0x296/0x3c0 drivers/hid/hid-core.c:1989 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1950 [inline] hidinput_connect+0x1ada/0x2bd0 drivers/hid/hid-input.c:2327 hid_connect+0x13f3/0x1a60 drivers/hid/hid-core.c:2239 hid_hw_start drivers/hid/hid-core.c:2354 [inline] hid_hw_start+0xaa/0x140 drivers/hid/hid-core.c:2345 ms_probe+0x195/0x500 drivers/hid/hid-microsoft.c:391 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] hid_device_probe+0x360/0x720 drivers/hid/hid-core.c:2761 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 hid_add_device+0x373/0xa60 drivers/hid/hid-core.c:2907 usbhid_probe+0xd38/0x13f0 drivers/hid/usbhid/hid-core.c:1435 usb_probe_interface+0x303/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_set_configuration+0x1187/0x1e20 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x3e0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5866 [inline] hub_event+0x2eb7/0x4fa0 drivers/usb/core/hub.c:5948 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 5882: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4328 [inline] __kmalloc_noprof+0x223/0x510 mm/slub.c:4340 __hid_request+0x2c/0x3c0 drivers/hid/hid-core.c:1980 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1950 [inline] hidinput_connect+0x1ada/0x2bd0 drivers/hid/hid-input.c:2327 hid_connect+0x13f3/0x1a60 drivers/hid/hid-core.c:2239 hid_hw_start drivers/hid/hid-core.c:2354 [inline] hid_hw_start+0xaa/0x140 drivers/hid/hid-core.c:2345 ms_probe+0x195/0x500 drivers/hid/hid-microsoft.c:391 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] hid_device_probe+0x360/0x720 drivers/hid/hid-core.c:2761 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 hid_add_device+0x373/0xa60 drivers/hid/hid-core.c:2907 usbhid_probe+0xd38/0x13f0 drivers/hid/usbhid/hid-core.c:1435 usb_probe_interface+0x303/0x9c0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_set_configuration+0x1187/0x1e20 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x3e0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:657 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:799 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:829 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:957 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1029 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1a70 drivers/base/core.c:3692 usb_new_device+0xd07/0x1a20 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5866 [inline] hub_event+0x2eb7/0x4fa0 drivers/usb/core/hub.c:5948 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff88807c5199a0 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 1 bytes inside of allocated 7-byte region [ffff88807c5199a0, ffff88807c5199a7) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7c519 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801b841500 dead000000000100 dead000000000122 raw: 0000000000000000 0000000080800080 00000000f5000000 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 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5837, tgid 5837 (syz-executor), ts 76274714529, free_ts 76271438761 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1704 prep_new_page mm/page_alloc.c:1712 [inline] get_page_from_freelist+0x1321/0x3890 mm/page_alloc.c:3669 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:4959 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419 alloc_slab_page mm/slub.c:2451 [inline] allocate_slab mm/slub.c:2619 [inline] new_slab+0x23b/0x330 mm/slub.c:2673 ___slab_alloc+0xd9c/0x1940 mm/slub.c:3859 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3949 __slab_alloc_node mm/slub.c:4024 [inline] slab_alloc_node mm/slub.c:4185 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_node_track_caller_noprof+0x2ee/0x510 mm/slub.c:4347 kvasprintf+0xbc/0x160 lib/kasprintf.c:25 kvasprintf_const+0x66/0x1a0 lib/kasprintf.c:49 kobject_set_name_vargs+0x5a/0x140 lib/kobject.c:274 dev_set_name+0xc7/0x100 drivers/base/core.c:3495 wiphy_new_nm+0x811/0x2160 net/wireless/core.c:514 ieee80211_alloc_hw_nm+0x1b7a/0x2260 net/mac80211/main.c:835 mac80211_hwsim_new_radio+0x1d4/0x54d0 drivers/net/wireless/virtual/mac80211_hwsim.c:5193 hwsim_new_radio_nl+0xb51/0x12c0 drivers/net/wireless/virtual/mac80211_hwsim.c:6249 page last free pid 5837 tgid 5837 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1248 [inline] __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4d/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4148 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_node_noprof+0x1d0/0x500 mm/slub.c:4334 kmalloc_node_noprof include/linux/slab.h:932 [inline] qdisc_alloc+0xbb/0xc50 net/sched/sch_generic.c:948 qdisc_create_dflt+0x94/0x490 net/sched/sch_generic.c:1010 attach_one_default_qdisc net/sched/sch_generic.c:1176 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:2655 [inline] attach_default_qdiscs net/sched/sch_generic.c:1194 [inline] dev_activate+0x63f/0x12d0 net/sched/sch_generic.c:1253 __dev_open+0x43a/0x7d0 net/core/dev.c:1692 __dev_change_flags+0x55d/0x720 net/core/dev.c:9458 netif_change_flags+0x8d/0x160 net/core/dev.c:9521 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3141 rtnl_changelink net/core/rtnetlink.c:3759 [inline] __rtnl_newlink net/core/rtnetlink.c:3918 [inline] rtnl_newlink+0x1446/0x2000 net/core/rtnetlink.c:4055 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6944 netlink_rcv_skb+0x155/0x420 net/netlink/af_netlink.c:2534 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x53a/0x7f0 net/netlink/af_netlink.c:1339 Memory state around the buggy address: ffff88807c519880: 05 fc fc fc 05 fc fc fc 05 fc fc fc fa fc fc fc ffff88807c519900: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc >ffff88807c519980: fa fc fc fc 07 fc fc fc fa fc fc fc fa fc fc fc ^ ffff88807c519a00: fa fc fc fc fa fc fc fc fa fc fc fc fa fc fc fc ffff88807c519a80: fa fc fc fc fa fc fc fc fa fc fc fc 04 fc fc fc ==================================================================