xpad 5-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 5-1:179.65: xpad_irq_out - usb_submit_urb failed with result -19 ================================================================== BUG: KASAN: slab-use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] BUG: KASAN: slab-use-after-free in do_raw_spin_lock+0x28a/0x2f0 kernel/locking/spinlock_debug.c:115 Read of size 4 at addr ffff88802be9185c by task ksoftirqd/0/16 CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 print_address_description+0x55/0x1e0 mm/kasan/report.c:378 print_report+0x58/0x70 mm/kasan/report.c:482 kasan_report+0x117/0x150 mm/kasan/report.c:595 debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] do_raw_spin_lock+0x28a/0x2f0 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:156 [inline] _raw_spin_lock_irqsave+0x4c/0x60 kernel/locking/spinlock.c:181 __wake_up_common_lock+0x30/0x1f0 kernel/sched/wait.c:124 __usb_hcd_giveback_urb+0x3b6/0x540 drivers/usb/core/hcd.c:1660 dummy_timer+0xa9a/0x4ce0 drivers/usb/gadget/udc/dummy_hcd.c:2051 __run_hrtimer kernel/time/hrtimer.c:2079 [inline] __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2136 hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2153 handle_softirqs+0x265/0x8d0 kernel/softirq.c:669 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1133 smpboot_thread_fn+0x5f8/0xb30 kernel/smpboot.c:162 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 726: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x31c/0x600 mm/slub.c:5680 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] xpad_probe+0x43f/0x2020 drivers/input/joystick/xpad.c:2073 usb_probe_interface+0x751/0xe00 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:707 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:869 driver_probe_device+0x4f/0x240 drivers/base/dd.c:899 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1027 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2bd/0x430 drivers/base/dd.c:1131 device_initial_probe+0x9c/0x100 drivers/base/dd.c:1190 __bus_probe_device+0x126/0x220 drivers/base/bus.c:614 device_add+0x7d7/0xb80 drivers/base/core.c:3778 usb_set_configuration+0x1bb5/0x2260 drivers/usb/core/message.c:2280 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x254/0xae0 drivers/base/dd.c:707 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:869 driver_probe_device+0x4f/0x240 drivers/base/dd.c:899 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1027 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500 __device_attach+0x2bd/0x430 drivers/base/dd.c:1131 device_initial_probe+0x9c/0x100 drivers/base/dd.c:1190 __bus_probe_device+0x126/0x220 drivers/base/bus.c:614 device_add+0x7d7/0xb80 drivers/base/core.c:3778 usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2713 hub_port_connect drivers/usb/core/hub.c:5585 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3495 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 24961: kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2780 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x1c5/0x650 mm/slub.c:6923 xpad_disconnect+0x323/0x440 drivers/input/joystick/xpad.c:2257 usb_unbind_interface+0x295/0x9c0 drivers/usb/core/driver.c:460 device_remove drivers/base/dd.c:619 [inline] __device_release_driver drivers/base/dd.c:1357 [inline] device_release_driver_internal+0x48d/0x7d0 drivers/base/dd.c:1380 bus_remove_device+0x444/0x560 drivers/base/bus.c:678 device_del+0x524/0x8f0 drivers/base/core.c:3967 usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1484 usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2355 hub_port_connect drivers/usb/core/hub.c:5425 [inline] hub_port_connect_change drivers/usb/core/hub.c:5725 [inline] port_event drivers/usb/core/hub.c:5889 [inline] hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5971 process_one_work kernel/workqueue.c:3495 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff88802be91800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff88802be91800, ffff88802be91c00) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2be90 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88813ff25dc0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88813ff25dc0 dead000000000100 dead000000000122 head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 108, tgid 108 (kworker/u8:6), ts 83338061497 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0x2224/0x2290 mm/page_alloc.c:3940 __alloc_frozen_pages_noprof+0x1fe/0x410 mm/page_alloc.c:5464 alloc_slab_page mm/slub.c:3384 [inline] allocate_slab+0x7d/0x5e0 mm/slub.c:3499 new_slab mm/slub.c:3550 [inline] refill_objects+0x2d5/0x350 mm/slub.c:7539 refill_sheaf mm/slub.c:2917 [inline] __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4811 alloc_from_pcs mm/slub.c:4887 [inline] slab_alloc_node mm/slub.c:5021 [inline] __do_kmalloc_node mm/slub.c:5530 [inline] __kmalloc_noprof+0x476/0x710 mm/slub.c:5556 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] neigh_alloc net/core/neighbour.c:525 [inline] ___neigh_create+0x6da/0x21f0 net/core/neighbour.c:659 ip6_finish_output2+0xe06/0x1460 net/ipv6/ip6_output.c:130 NF_HOOK_COND include/linux/netfilter.h:314 [inline] ip6_output+0x337/0x540 net/ipv6/ip6_output.c:248 dst_output include/net/dst.h:472 [inline] NF_HOOK include/linux/netfilter.h:325 [inline] ndisc_send_skb+0xcb2/0x1650 net/ipv6/ndisc.c:513 ndisc_send_ns+0xd7/0x160 net/ipv6/ndisc.c:672 addrconf_dad_work+0xa8d/0x15c0 net/ipv6/addrconf.c:4344 process_one_work kernel/workqueue.c:3495 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659 kthread+0x38b/0x480 kernel/kthread.c:436 page last free pid 5649 tgid 5649 ts 83320097122 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1403 [inline] __free_frozen_pages+0xc97/0xd90 mm/page_alloc.c:2957 __slab_free+0x269/0x2c0 mm/slub.c:5926 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:361 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4720 [inline] slab_alloc_node mm/slub.c:5033 [inline] __kmalloc_cache_noprof+0x29a/0x600 mm/slub.c:5676 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] kernfs_fop_open+0x38c/0xd20 fs/kernfs/file.c:648 do_dentry_open+0x80e/0x1360 fs/open.c:1000 vfs_open_consume+0x4a/0x350 fs/open.c:1131 do_open fs/namei.c:4851 [inline] path_openat+0x16fc/0x20f0 fs/namei.c:5016 do_file_open+0x23e/0x4a0 fs/namei.c:5045 do_sys_openat2+0x115/0x200 fs/open.c:1443 do_sys_open fs/open.c:1449 [inline] __do_sys_openat fs/open.c:1465 [inline] __se_sys_openat fs/open.c:1460 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1460 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88802be91700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88802be91780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88802be91800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88802be91880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88802be91900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================