xpad 4-1:0.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 4-1:0.65: xpad_irq_out - usb_submit_urb failed with result -19 ================================================================== BUG: KASAN: use-after-free in register_lock_class+0x1591/0x1630 kernel/locking/lockdep.c:1250 Read of size 2 at addr ffff88809a228892 by task systemd-udevd/11520 CPU: 0 PID: 11520 Comm: systemd-udevd Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xae/0x436 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530 register_lock_class+0x1591/0x1630 kernel/locking/lockdep.c:1250 __lock_acquire+0xfa/0x56e0 kernel/locking/lockdep.c:4259 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:4959 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:159 __wake_up_common_lock+0xb4/0x130 kernel/sched/wait.c:122 usb_anchor_resume_wakeups drivers/usb/core/urb.c:909 [inline] usb_anchor_resume_wakeups+0xbe/0xe0 drivers/usb/core/urb.c:902 __usb_hcd_giveback_urb+0x31a/0x540 drivers/usb/core/hcd.c:1653 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716 skbpoolfree drivers/block/aoe/aoedev.c:432 [inline] freedev drivers/block/aoe/aoedev.c:290 [inline] dummy_timer+0x11ea/0x2f9f drivers/block/aoe/aoedev.c:366 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1415 expire_timers kernel/time/timer.c:1460 [inline] __run_timers.part.0+0x54c/0xa20 kernel/time/timer.c:1784 __run_timers kernel/time/timer.c:1756 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1797 __do_softirq+0x34c/0xa60 kernel/softirq.c:292 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x111/0x170 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:387 [inline] __irq_exit_rcu kernel/softirq.c:417 [inline] irq_exit_rcu+0x229/0x270 kernel/softirq.c:429 sysvec_apic_timer_interrupt+0x54/0x120 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:585 RIP: 0010:unwind_next_frame+0xc5b/0x1f90 arch/x86/kernel/unwind_orc.c:543 Code: 48 89 44 24 18 e8 75 f2 ff ff 84 c0 0f 84 75 f7 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 4c 8b 64 24 60 4c 8b 44 24 20 <4c> 8b 4c 24 28 48 c1 ea 03 48 8b 4c 24 30 80 3c 02 00 0f 85 b9 11 RSP: 0018:ffffc90005357770 EFLAGS: 00000202 RAX: dffffc0000000000 RBX: 1ffff92000a6aef6 RCX: 1ffff92000a6af12 RDX: ffffc90005357880 RSI: ffffc90005357f38 RDI: ffffc90005357f38 RBP: 0000000000000001 R08: ffffffff8b256816 R09: ffffffff8b25681a R10: 000000000007201e R11: 0000000000000001 R12: ffffc90005357f40 R13: ffffc9000535787d R14: ffffc90005357898 R15: ffffc90005357848 arch_stack_walk+0x81/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:123 save_stack+0x1b/0x40 mm/kasan/common.c:48 set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494 slab_post_alloc_hook mm/slab.h:586 [inline] slab_alloc mm/slab.c:3320 [inline] kmem_cache_alloc+0x12c/0x3b0 mm/slab.c:3484 ep_ptable_queue_proc+0xaf/0x390 fs/eventpoll.c:1317 poll_wait include/linux/poll.h:51 [inline] signalfd_poll+0xba/0x200 fs/signalfd.c:66 vfs_poll include/linux/poll.h:90 [inline] ep_item_poll+0x14a/0x3e0 fs/eventpoll.c:887 ep_insert fs/eventpoll.c:1536 [inline] do_epoll_ctl+0xe85/0x3310 fs/eventpoll.c:2239 __do_sys_epoll_ctl fs/eventpoll.c:2291 [inline] __se_sys_epoll_ctl fs/eventpoll.c:2282 [inline] __x64_sys_epoll_ctl+0x13f/0x1c0 fs/eventpoll.c:2282 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f03816662aa Code: 48 8b 0d f1 fb 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 e9 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d be fb 2a 00 f7 d8 64 89 01 48 RSP: 002b:00007fffcfbe63f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e9 RAX: ffffffffffffffda RBX: 00007fffcfbe64f0 RCX: 00007f03816662aa RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 RBP: 000055fe35de2028 R08: 0000000000000020 R09: 0000000000000018 R10: 00007fffcfbe6498 R11: 0000000000000202 R12: 000055fe35df34e4 R13: 000055fe35de6ad0 R14: 0000000000000003 R15: 000000000000000e Allocated by task 2492: save_stack+0x1b/0x40 mm/kasan/common.c:48 set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:494 kmem_cache_alloc_trace+0x14f/0x2d0 mm/slab.c:3551 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:669 [inline] xpad_probe+0x24b/0x1b60 drivers/input/joystick/xpad.c:1729 usb_probe_interface+0x2f7/0x780 drivers/usb/core/driver.c:374 really_probe+0x282/0x8a0 drivers/base/dd.c:520 driver_probe_device+0xfe/0x1d0 drivers/base/dd.c:696 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:802 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x28d/0x3f0 drivers/base/dd.c:868 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xacf/0x1be0 drivers/base/core.c:2700 usb_set_configuration+0xef6/0x17a0 drivers/usb/core/message.c:2032 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:241 usb_probe_device+0xc6/0x210 drivers/usb/core/driver.c:272 really_probe+0x282/0x8a0 drivers/base/dd.c:520 driver_probe_device+0xfe/0x1d0 drivers/base/dd.c:696 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:802 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x28d/0x3f0 drivers/base/dd.c:868 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xacf/0x1be0 drivers/base/core.c:2700 usb_new_device.cold+0x748/0x103b drivers/usb/core/hub.c:2554 hub_port_connect drivers/usb/core/hub.c:5208 [inline] hub_port_connect_change drivers/usb/core/hub.c:5348 [inline] port_event drivers/usb/core/hub.c:5494 [inline] hub_event+0x2033/0x3e40 drivers/usb/core/hub.c:5576 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Freed by task 8119: save_stack+0x1b/0x40 mm/kasan/common.c:48 set_track mm/kasan/common.c:56 [inline] kasan_set_free_info mm/kasan/common.c:316 [inline] __kasan_slab_free+0xf5/0x140 mm/kasan/common.c:455 __cache_free mm/slab.c:3426 [inline] kfree+0x103/0x2c0 mm/slab.c:3757 xpad_disconnect+0x1b9/0x474 drivers/input/joystick/xpad.c:1877 usb_unbind_interface+0x1d8/0x8d0 drivers/usb/core/driver.c:436 __device_release_driver+0x3b7/0x6e0 drivers/base/dd.c:1108 device_release_driver_internal drivers/base/dd.c:1139 [inline] device_release_driver+0x26/0x40 drivers/base/dd.c:1162 bus_remove_device+0x2dc/0x4a0 drivers/base/bus.c:533 device_del+0x47c/0xd20 drivers/base/core.c:2877 usb_disable_device+0x361/0x800 drivers/usb/core/message.c:1245 usb_disconnect.cold+0x251/0x742 drivers/usb/core/hub.c:2217 hub_port_connect drivers/usb/core/hub.c:5059 [inline] hub_port_connect_change drivers/usb/core/hub.c:5348 [inline] port_event drivers/usb/core/hub.c:5494 [inline] hub_event+0x1965/0x3e40 drivers/usb/core/hub.c:5576 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:291 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 The buggy address belongs to the object at ffff88809a228800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 146 bytes inside of 1024-byte region [ffff88809a228800, ffff88809a228c00) The buggy address belongs to the page: page:ffffea0002688a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88809a228000 flags: 0xfffe0000000200(slab) raw: 00fffe0000000200 ffffea0002473d88 ffffea00024e4488 ffff8880aa000c40 raw: ffff88809a228000 ffff88809a228000 0000000100000001 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809a228780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88809a228800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88809a228880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88809a228900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88809a228980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================