xpad 3-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 3-1:179.65: 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+0x299/0x370 kernel/locking/spinlock_debug.c:115 Read of size 4 at addr ffff88805ec2785c by task swapper/0/0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-rc7-syzkaller-00056-g45db3ab70092 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] do_raw_spin_lock+0x299/0x370 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0xe1/0x120 kernel/locking/spinlock.c:162 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105 __usb_hcd_giveback_urb+0x3ac/0x530 drivers/usb/core/hcd.c:1651 dummy_timer+0x833/0x45f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x190/0x650 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1844 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2429 run_timer_base kernel/time/timer.c:2438 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2448 handle_softirqs+0x2d8/0x990 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:flush_smp_call_function_queue+0x23f/0x2a0 kernel/smp.c:591 Code: 00 4d 85 f6 75 16 e8 60 15 0c 00 eb 15 e8 59 15 0c 00 e8 94 4a f6 09 4d 85 f6 74 ea e8 4a 15 0c 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00 RSP: 0018:ffffffff8e007cc0 EFLAGS: 00000293 RAX: ffffffff8189f336 RBX: 0000000000000000 RCX: ffffffff8e0946c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8e007d70 R08: ffffffff8189f30c R09: 1ffffffff1f51f15 R10: dffffc0000000000 R11: fffffbfff1f51f16 R12: 1ffffffff1c00f98 R13: 0000000000000046 R14: 0000000000000200 R15: dffffc0000000000 do_idle+0x565/0x5d0 kernel/sched/idle.c:359 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:430 rest_init+0x2dc/0x300 init/main.c:739 start_kernel+0x47a/0x500 init/main.c:1081 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x13e/0x147 Allocated by task 5173: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x1db/0x370 mm/slub.c:4003 kmalloc include/linux/slab.h:628 [inline] kzalloc include/linux/slab.h:749 [inline] xpad_probe+0x3c8/0x1b90 drivers/input/joystick/xpad.c:2023 usb_probe_interface+0x647/0xbb0 drivers/usb/core/driver.c:399 really_probe+0x2ba/0xad0 drivers/base/dd.c:656 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798 driver_probe_device+0x50/0x430 drivers/base/dd.c:828 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457 __device_attach+0x333/0x520 drivers/base/dd.c:1028 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3720 usb_set_configuration+0x1976/0x1fb0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:254 usb_probe_device+0x1ba/0x380 drivers/usb/core/driver.c:294 really_probe+0x2ba/0xad0 drivers/base/dd.c:656 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:798 driver_probe_device+0x50/0x430 drivers/base/dd.c:828 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:956 bus_for_each_drv+0x250/0x2e0 drivers/base/bus.c:457 __device_attach+0x333/0x520 drivers/base/dd.c:1028 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3720 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2652 hub_port_connect drivers/usb/core/hub.c:5522 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x2d6a/0x5150 drivers/usb/core/hub.c:5904 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 987: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2111 [inline] slab_free mm/slub.c:4286 [inline] kfree+0x153/0x3b0 mm/slub.c:4396 xpad_disconnect+0x359/0x490 drivers/input/joystick/xpad.c:2204 usb_unbind_interface+0x260/0x940 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x505/0x7c0 drivers/base/dd.c:1293 bus_remove_device+0x34f/0x420 drivers/base/bus.c:574 device_del+0x57a/0x9e0 drivers/base/core.c:3909 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5362 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x1eb9/0x5150 drivers/usb/core/hub.c:5904 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff88805ec27800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff88805ec27800, ffff88805ec27c00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5ec20 head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888015041dc0 ffffea00014dcc00 dead000000000002 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 head: 00fff00000000840 ffff888015041dc0 ffffea00014dcc00 dead000000000002 head: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 head: 00fff00000000003 ffffea00017b0801 dead000000000122 00000000ffffffff head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x152820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 2917, tgid -885607751 (kworker/u8:13), ts 2917, free_ts 497291665637 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0x3410/0x35b0 mm/page_alloc.c:3317 __alloc_pages+0x256/0x6c0 mm/page_alloc.c:4575 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page+0x5f/0x160 mm/slub.c:2180 allocate_slab mm/slub.c:2343 [inline] new_slab+0x84/0x2f0 mm/slub.c:2396 ___slab_alloc+0xc73/0x1260 mm/slub.c:3530 __slab_alloc mm/slub.c:3615 [inline] __slab_alloc_node mm/slub.c:3668 [inline] slab_alloc_node mm/slub.c:3841 [inline] __do_kmalloc_node mm/slub.c:3971 [inline] __kmalloc+0x2e5/0x4a0 mm/slub.c:3985 kmalloc include/linux/slab.h:632 [inline] kzalloc include/linux/slab.h:749 [inline] ieee802_11_parse_elems_full+0xd5/0x2870 net/mac80211/parse.c:880 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2325 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2332 [inline] ieee80211_inform_bss+0x15f/0x1080 net/mac80211/scan.c:79 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline] cfg80211_inform_single_bss_data+0x1007/0x22e0 net/wireless/scan.c:2268 cfg80211_inform_bss_data+0x3e3/0x57d0 net/wireless/scan.c:3067 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3157 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_rx_bss_info net/mac80211/ibss.c:1099 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1578 [inline] ieee80211_ibss_rx_queued_mgmt+0x1962/0x2d70 net/mac80211/ibss.c:1605 ieee80211_iface_process_skb net/mac80211/iface.c:1605 [inline] ieee80211_iface_work+0x8a3/0xf10 net/mac80211/iface.c:1659 cfg80211_wiphy_work+0x223/0x260 net/wireless/core.c:437 page last free pid 11546 tgid 11545 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1141 [inline] free_unref_page_prepare+0x986/0xab0 mm/page_alloc.c:2347 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2487 discard_slab mm/slub.c:2442 [inline] __put_partials+0xeb/0x130 mm/slub.c:2911 put_cpu_partial+0x17c/0x250 mm/slub.c:2986 __slab_free+0x2ea/0x3d0 mm/slub.c:4157 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x5e/0xc0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3804 [inline] slab_alloc_node mm/slub.c:3851 [inline] kmalloc_node_trace+0x195/0x3b0 mm/slub.c:4011 kmalloc_node include/linux/slab.h:644 [inline] kzalloc_node include/linux/slab.h:760 [inline] alloc_node_nr_active kernel/workqueue.c:4721 [inline] alloc_workqueue+0x854/0x20c0 kernel/workqueue.c:5601 btrfs_alloc_workqueue+0x1c8/0x2a0 fs/btrfs/async-thread.c:112 btrfs_init_workqueues+0x154/0x740 fs/btrfs/disk-io.c:1992 open_ctree+0x11e6/0x2a00 fs/btrfs/disk-io.c:3354 btrfs_fill_super fs/btrfs/super.c:938 [inline] btrfs_get_tree_super fs/btrfs/super.c:1858 [inline] btrfs_get_tree+0xe7a/0x1920 fs/btrfs/super.c:2084 vfs_get_tree+0x92/0x2a0 fs/super.c:1779 fc_mount+0x1b/0xb0 fs/namespace.c:1125 Memory state around the buggy address: ffff88805ec27700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88805ec27780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88805ec27800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88805ec27880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88805ec27900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 00 4d 85 add %cl,-0x7b(%rbp) 3: f6 75 16 divb 0x16(%rbp) 6: e8 60 15 0c 00 call 0xc156b b: eb 15 jmp 0x22 d: e8 59 15 0c 00 call 0xc156b 12: e8 94 4a f6 09 call 0x9f64aab 17: 4d 85 f6 test %r14,%r14 1a: 74 ea je 0x6 1c: e8 4a 15 0c 00 call 0xc156b 21: fb sti 22: 48 c7 04 24 0e 36 e0 movq $0x45e0360e,(%rsp) 29: 45 * 2a: 4b c7 04 27 00 00 00 movq $0x0,(%r15,%r12,1) <-- trapping instruction 31: 00 32: 66 43 c7 44 27 09 00 movw $0x0,0x9(%r15,%r12,1) 39: 00 3a: 43 c6 44 27 0b 00 movb $0x0,0xb(%r15,%r12,1)