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 ffff88807aa7005c by task kworker/u8:3/50 CPU: 1 PID: 50 Comm: kworker/u8:3 Not tainted 6.9.0-rc7-syzkaller-00023-g6d7ddd805123 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Workqueue: events_unbound flush_to_ldisc 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+0x18e/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+0x2d6/0x990 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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758 Code: 2b 00 74 08 4c 89 f7 e8 5a 2d 88 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc90000ba7860 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000174f18 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8bcaca20 RDI: ffffffff8c1f80e0 RBP: ffffc90000ba79a8 R08: ffffffff92f355c7 R09: 1ffffffff25e6ab8 R10: dffffc0000000000 R11: fffffbfff25e6ab9 R12: 1ffff92000174f14 R13: dffffc0000000000 R14: ffffc90000ba78c0 R15: 0000000000000246 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 flush_to_ldisc+0x38/0x860 drivers/tty/tty_buffer.c:467 process_one_work kernel/workqueue.c:3267 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Allocated by task 3035: 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+0x645/0xbb0 drivers/usb/core/driver.c:399 really_probe+0x2b8/0xad0 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+0x24e/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+0x1b8/0x380 drivers/usb/core/driver.c:294 really_probe+0x2b8/0xad0 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+0x24e/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+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 782: 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+0x25e/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+0x503/0x7c0 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+0xa10/0x17c0 kernel/workqueue.c:3348 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 insert_work+0x3e/0x330 kernel/workqueue.c:2261 __queue_work+0xc24/0xef0 kernel/workqueue.c:2413 queue_work_on+0x14f/0x250 kernel/workqueue.c:2448 queue_work include/linux/workqueue.h:605 [inline] schedule_work include/linux/workqueue.h:666 [inline] xpad360w_process_packet drivers/input/joystick/xpad.c:968 [inline] xpad_irq_in+0xab0/0x2510 drivers/input/joystick/xpad.c:1179 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x833/0x45f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x18e/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+0x2d6/0x990 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 Second to last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 insert_work+0x3e/0x330 kernel/workqueue.c:2261 __queue_work+0xc24/0xef0 kernel/workqueue.c:2413 queue_work_on+0x14f/0x250 kernel/workqueue.c:2448 queue_work include/linux/workqueue.h:605 [inline] schedule_work include/linux/workqueue.h:666 [inline] xpad360w_process_packet drivers/input/joystick/xpad.c:968 [inline] xpad_irq_in+0xab0/0x2510 drivers/input/joystick/xpad.c:1179 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x833/0x45f0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x18e/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+0x2d6/0x990 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 The buggy address belongs to the object at ffff88807aa70000 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff88807aa70000, ffff88807aa70400) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807aa72000 pfn:0x7aa70 head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000a40(workingset|slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000a40 ffff888015041dc0 ffffea0001f98210 ffffea0001eed610 raw: ffff88807aa72000 000000000010000e 00000001ffffffff 0000000000000000 head: 00fff00000000a40 ffff888015041dc0 ffffea0001f98210 ffffea0001eed610 head: ffff88807aa72000 000000000010000e 00000001ffffffff 0000000000000000 head: 00fff00000000003 ffffea0001ea9c01 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4951, tgid -913932435 (dhcpcd), ts 4951, free_ts 50622024898 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] load_elf_phdrs fs/binfmt_elf.c:526 [inline] load_elf_binary+0x2f1/0x2590 fs/binfmt_elf.c:855 search_binary_handler fs/exec.c:1778 [inline] exec_binprm fs/exec.c:1820 [inline] bprm_execve+0xaf8/0x17c0 fs/exec.c:1872 do_execveat_common+0x553/0x700 fs/exec.c:1979 do_execve fs/exec.c:2053 [inline] __do_sys_execve fs/exec.c:2129 [inline] __se_sys_execve fs/exec.c:2124 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2124 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 4752 tgid 4752 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 __folio_put_large+0x168/0x1d0 mm/swap.c:132 __folio_put+0x299/0x390 mm/swap.c:140 folio_put include/linux/mm.h:1508 [inline] free_large_kmalloc+0x105/0x1c0 mm/slub.c:4367 kfree+0x1ca/0x3b0 mm/slub.c:4390 skb_kfree_head net/core/skbuff.c:1096 [inline] skb_free_head net/core/skbuff.c:1108 [inline] skb_release_data+0x585/0x870 net/core/skbuff.c:1136 skb_release_all net/core/skbuff.c:1202 [inline] __kfree_skb net/core/skbuff.c:1216 [inline] consume_skb+0xb3/0x160 net/core/skbuff.c:1432 netlink_recvmsg+0x60a/0x11d0 net/netlink/af_netlink.c:1983 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg+0x22f/0x280 net/socket.c:1068 ____sys_recvmsg+0x1db/0x470 net/socket.c:2803 ___sys_recvmsg net/socket.c:2845 [inline] __sys_recvmsg+0x2f0/0x3e0 net/socket.c:2875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff88807aa6ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88807aa6ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88807aa70000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88807aa70080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88807aa70100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 2b 00 sub (%rax),%eax 2: 74 08 je 0xc 4: 4c 89 f7 mov %r14,%rdi 7: e8 5a 2d 88 00 call 0x882d66 c: f6 44 24 61 02 testb $0x2,0x61(%rsp) 11: 0f 85 85 01 00 00 jne 0x19c 17: 41 f7 c7 00 02 00 00 test $0x200,%r15d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp) 28: e0 45 * 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction 31: 00 00 33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1) 3a: 00 00 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 25 .byte 0x25