xpad 4-1:0.169: xpad_irq_out - usb_submit_urb failed with result -19 ================================================================== BUG: KASAN: use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] BUG: KASAN: use-after-free in do_raw_spin_lock+0x24d/0x280 kernel/locking/spinlock_debug.c:112 Read of size 4 at addr ffff8881cd7b04dc by task udevd/345 CPU: 1 PID: 345 Comm: udevd Not tainted 5.2.0-rc6+ #14 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+0xca/0x13e lib/dump_stack.c:113 print_address_description+0x67/0x231 mm/kasan/report.c:188 __kasan_report.cold+0x1a/0x32 mm/kasan/report.c:317 kasan_report+0xe/0x20 mm/kasan/common.c:614 debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] do_raw_spin_lock+0x24d/0x280 kernel/locking/spinlock_debug.c:112 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline] _raw_spin_lock_irqsave+0x3a/0x50 kernel/locking/spinlock.c:159 __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:121 __usb_unanchor_urb drivers/usb/core/urb.c:154 [inline] usb_anchor_resume_wakeups+0xbe/0xe0 drivers/usb/core/urb.c:148 __usb_hcd_giveback_urb+0x1fa/0x470 drivers/usb/core/hcd.c:1760 usb_hcd_giveback_urb+0x34a/0x400 drivers/usb/core/hcd.c:1823 dummy_timer+0x1022/0x2df4 drivers/usb/gadget/udc/dummy_hcd.c:1965 call_timer_fn+0x15e/0x5e0 kernel/time/timer.c:1322 expire_timers kernel/time/timer.c:1366 [inline] __run_timers kernel/time/timer.c:1685 [inline] __run_timers kernel/time/timer.c:1653 [inline] run_timer_softirq+0x597/0x1410 kernel/time/timer.c:1698 __do_softirq+0x219/0x8b0 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17c/0x1a0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xe2/0x480 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:rb_first+0x48/0x80 lib/rbtree.c:497 Code: 00 00 00 00 00 fc ff df 48 8b 07 48 85 c0 75 05 eb 1d 48 89 d0 48 8d 78 10 48 89 fa 48 c1 ea 03 80 3c 1a 00 75 0f 48 8b 50 10 <48> 85 d2 75 e3 48 83 c4 08 5b c3 48 89 04 24 e8 84 89 f8 fb 48 8b RSP: 0018:ffff8881cfb0fac8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff8881d4afdb20 RBX: dffffc0000000000 RCX: ffffffff81591ef5 RDX: ffff8881d9548320 RSI: ffffffff8158f955 RDI: ffff8881d4afdb30 RBP: ffff8881d514c4c8 R08: ffff8881cfb00000 R09: ffffed103a73ed7b R10: ffffed103a73ed7a R11: ffff8881d39f6bd7 R12: ffff8881d514c4c8 R13: ffff8881d56c2720 R14: dffffc0000000000 R15: 00007f477f981000 validate_mm_rb+0x1d/0xb0 mm/mmap.c:378 vma_rb_insert mm/mmap.c:452 [inline] __vma_link_rb+0x251/0x360 mm/mmap.c:608 dup_mmap kernel/fork.c:582 [inline] dup_mm+0x595/0x1110 kernel/fork.c:1341 copy_mm kernel/fork.c:1397 [inline] copy_process.part.0+0x299d/0x63a0 kernel/fork.c:2032 copy_process kernel/fork.c:1800 [inline] _do_fork+0x233/0xec0 kernel/fork.c:2369 do_syscall_64+0xb7/0x560 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f4782159f46 Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 14 25 10 00 00 00 31 d2 49 81 c2 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 31 01 00 00 85 c0 41 89 c4 0f 85 3b 01 00 RSP: 002b:00007ffeae0ed490 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffeae0ed490 RCX: 00007f4782159f46 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffeae0ed4f0 R08: 0000000000000159 R09: 0000000000000159 R10: 00007f4782a76a70 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeae0ed4b0 R14: 0000000000000005 R15: 0000000000000005 Allocated by task 2762: save_stack+0x1b/0x80 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_kmalloc mm/kasan/common.c:489 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:462 kmalloc include/linux/slab.h:547 [inline] kzalloc include/linux/slab.h:742 [inline] xpad_probe+0x24b/0x1b20 drivers/input/joystick/xpad.c:1717 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x8c1/0x1016 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1b3d/0x35f0 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Freed by task 5: save_stack+0x1b/0x80 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:451 slab_free_hook mm/slub.c:1421 [inline] slab_free_freelist_hook mm/slub.c:1448 [inline] slab_free mm/slub.c:2994 [inline] kfree+0xd7/0x280 mm/slub.c:3949 xpad_disconnect+0x1cb/0x4a3 drivers/input/joystick/xpad.c:1865 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:423 __device_release_driver drivers/base/dd.c:1081 [inline] device_release_driver_internal+0x404/0x4c0 drivers/base/dd.c:1112 bus_remove_device+0x2dc/0x4a0 drivers/base/bus.c:556 device_del+0x460/0xb80 drivers/base/core.c:2274 usb_disable_device+0x211/0x690 drivers/usb/core/message.c:1237 usb_disconnect+0x284/0x830 drivers/usb/core/hub.c:2199 hub_port_connect drivers/usb/core/hub.c:4949 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x143d/0x35f0 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 The buggy address belongs to the object at ffff8881cd7b0480 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of 1024-byte region [ffff8881cd7b0480, ffff8881cd7b0880) The buggy address belongs to the page: page:ffffea000735ec00 refcount:1 mapcount:0 mapping:ffff8881dac02a00 index:0x0 compound_mapcount: 0 flags: 0x200000000010200(slab|head) raw: 0200000000010200 dead000000000100 dead000000000200 ffff8881dac02a00 raw: 0000000000000000 00000000000e000e 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881cd7b0380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881cd7b0400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881cd7b0480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881cd7b0500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881cd7b0580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================