powermate: config urb returned -71 powermate 4-1:0.0: powermate_irq - usb_submit_urb failed with result: -19 powermate: config urb returned -71 ================================================================== BUG: KASAN: slab-use-after-free in __lock_acquire+0x405b/0x5d40 kernel/locking/lockdep.c:4926 Read of size 8 at addr ffff888079936e58 by task ksoftirqd/1/21 CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.3.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x60/0xa0 lib/dump_stack.c:106 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:319 print_report mm/kasan/report.c:430 [inline] kasan_report+0x118/0x130 mm/kasan/report.c:536 __lock_acquire+0x405b/0x5d40 kernel/locking/lockdep.c:4926 lock_acquire kernel/locking/lockdep.c:5669 [inline] lock_acquire+0x1df/0x670 kernel/locking/lockdep.c:5634 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 powermate_config_complete+0x62/0xa0 drivers/input/misc/powermate.c:202 __usb_hcd_giveback_urb+0x23e/0x3f0 drivers/usb/core/hcd.c:1671 dummy_timer+0xffa/0x2c10 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x19b/0x5d0 kernel/time/timer.c:1700 expire_timers+0x259/0x4f0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x292/0x790 kernel/time/timer.c:2035 __do_softirq+0x2df/0xadf kernel/softirq.c:571 run_ksoftirqd kernel/softirq.c:934 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926 smpboot_thread_fn+0x548/0x8f0 kernel/smpboot.c:164 kthread+0x294/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Allocated by task 5587: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45 kasan_set_track+0x21/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] ____kasan_kmalloc mm/kasan/common.c:333 [inline] __kasan_kmalloc+0x9e/0xa0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:580 [inline] kzalloc include/linux/slab.h:720 [inline] powermate_probe+0x1fc/0x1350 drivers/input/misc/powermate.c:323 usb_probe_interface+0x268/0x810 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:552 [inline] really_probe+0x1c7/0xb20 drivers/base/dd.c:631 __driver_probe_device+0x186/0x460 drivers/base/dd.c:768 driver_probe_device+0x44/0x110 drivers/base/dd.c:798 __device_attach_driver+0x14a/0x270 drivers/base/dd.c:926 bus_for_each_drv+0xfe/0x190 drivers/base/bus.c:457 __device_attach+0x19e/0x3d0 drivers/base/dd.c:998 bus_probe_device+0x127/0x170 drivers/base/bus.c:532 device_add+0xee0/0x1930 drivers/base/core.c:3589 usb_set_configuration+0xab8/0x1a20 drivers/usb/core/message.c:2171 usb_generic_driver_probe+0x84/0xd0 drivers/usb/core/generic.c:238 usb_probe_device+0x94/0x230 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:552 [inline] really_probe+0x1c7/0xb20 drivers/base/dd.c:631 __driver_probe_device+0x186/0x460 drivers/base/dd.c:768 driver_probe_device+0x44/0x110 drivers/base/dd.c:798 __device_attach_driver+0x14a/0x270 drivers/base/dd.c:926 bus_for_each_drv+0xfe/0x190 drivers/base/bus.c:457 __device_attach+0x19e/0x3d0 drivers/base/dd.c:998 bus_probe_device+0x127/0x170 drivers/base/bus.c:532 device_add+0xee0/0x1930 drivers/base/core.c:3589 usb_new_device+0xc6a/0x1920 drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x24c8/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x8ba/0x1590 kernel/workqueue.c:2390 worker_thread+0x598/0xec0 kernel/workqueue.c:2537 kthread+0x294/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Freed by task 4707: kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45 kasan_set_track+0x21/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2a/0x40 mm/kasan/generic.c:521 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1781 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807 slab_free mm/slub.c:3787 [inline] __kmem_cache_free+0xab/0x2c0 mm/slub.c:3800 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458 __device_release_driver drivers/base/dd.c:1240 [inline] device_release_driver_internal+0x364/0x530 drivers/base/dd.c:1263 bus_remove_device+0x1e9/0x3f0 drivers/base/bus.c:574 device_del+0x42d/0xa90 drivers/base/core.c:3775 usb_disable_device+0x29c/0x650 drivers/usb/core/message.c:1420 usb_disconnect+0x265/0x870 drivers/usb/core/hub.c:2238 hub_port_connect drivers/usb/core/hub.c:5246 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x17f3/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x8ba/0x1590 kernel/workqueue.c:2390 worker_thread+0x598/0xec0 kernel/workqueue.c:2537 kthread+0x294/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 The buggy address belongs to the object at ffff888079936e00 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 88 bytes inside of freed 256-byte region [ffff888079936e00, ffff888079936f00) The buggy address belongs to the physical page: page:ffffea0001e64d80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x79936 head:ffffea0001e64d80 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0 ksm flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000010200 ffff888011041b40 ffffea00009b5a80 dead000000000003 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5055, tgid 5055 (syz-executor.0), ts 47607829475, free_ts 47278811296 prep_new_page mm/page_alloc.c:2552 [inline] get_page_from_freelist+0x1190/0x2f80 mm/page_alloc.c:4325 __alloc_pages+0x1c7/0x5b0 mm/page_alloc.c:5591 alloc_slab_page mm/slub.c:1851 [inline] allocate_slab+0x25f/0x390 mm/slub.c:1998 new_slab mm/slub.c:2051 [inline] ___slab_alloc+0xa91/0x1400 mm/slub.c:3193 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292 __slab_alloc_node mm/slub.c:3345 [inline] slab_alloc_node mm/slub.c:3442 [inline] __kmem_cache_alloc_node+0x12e/0x310 mm/slub.c:3491 __do_kmalloc_node mm/slab_common.c:966 [inline] __kmalloc+0x46/0xc0 mm/slab_common.c:980 kmalloc include/linux/slab.h:584 [inline] kzalloc include/linux/slab.h:720 [inline] fib_create_info+0xb22/0x4210 net/ipv4/fib_semantics.c:1454 fib_table_insert+0x155/0x1e30 net/ipv4/fib_trie.c:1236 fib_magic+0x37d/0x490 net/ipv4/fib_frontend.c:1101 fib_add_ifaddr+0x3f8/0x4e0 net/ipv4/fib_frontend.c:1145 fib_netdev_event+0x326/0x4c0 net/ipv4/fib_frontend.c:1483 notifier_call_chain+0x94/0x170 kernel/notifier.c:87 call_netdevice_notifiers_extack net/core/dev.c:1975 [inline] call_netdevice_notifiers net/core/dev.c:1989 [inline] __dev_notify_flags+0xd0/0x240 net/core/dev.c:8566 dev_change_flags+0xf5/0x160 net/core/dev.c:8604 do_setlink+0x873/0x3050 net/core/rtnetlink.c:2833 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1453 [inline] free_pcp_prepare+0x65a/0xb40 mm/page_alloc.c:1503 free_unref_page_prepare mm/page_alloc.c:3387 [inline] free_unref_page+0x19/0x480 mm/page_alloc.c:3482 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x18e/0x220 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x5f/0x80 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:186 [inline] slab_post_alloc_hook mm/slab.h:769 [inline] slab_alloc_node mm/slub.c:3452 [inline] kmem_cache_alloc_node+0x17b/0x340 mm/slub.c:3497 __alloc_skb+0x1ca/0x280 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1277 [inline] nlmsg_new include/net/netlink.h:1003 [inline] genlmsg_new include/net/genetlink.h:491 [inline] __send_and_alloc_skb drivers/net/team/team.c:2430 [inline] team_nl_send_port_list_get+0xf4/0x5d0 drivers/net/team/team.c:2732 team_nl_send_event_port_get drivers/net/team/team.c:2877 [inline] __team_port_change_send+0x1f6/0x4c0 drivers/net/team/team.c:2935 __team_port_change_port_added drivers/net/team/team.c:2973 [inline] team_port_add drivers/net/team/team.c:1289 [inline] team_add_slave+0xf4d/0x1d40 drivers/net/team/team.c:1984 do_setlink+0x769/0x3050 net/core/rtnetlink.c:2826 __rtnl_newlink+0x94d/0x1520 net/core/rtnetlink.c:3623 rtnl_newlink+0x5a/0x90 net/core/rtnetlink.c:3670 rtnetlink_rcv_msg+0x32d/0x9f0 net/core/rtnetlink.c:6174 netlink_rcv_skb+0x126/0x380 net/netlink/af_netlink.c:2574 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x433/0x710 net/netlink/af_netlink.c:1365 Memory state around the buggy address: ffff888079936d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888079936d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888079936e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888079936e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888079936f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================