xpad 2-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 2-1:179.65: xpad_irq_out - usb_submit_urb failed with result -19 ================================================================== BUG: KASAN: slab-use-after-free in register_lock_class+0x8db/0x980 kernel/locking/lockdep.c:1341 Read of size 1 at addr ffff888033291891 by task sed/21990 CPU: 0 UID: 0 PID: 21990 Comm: sed Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x169/0x550 mm/kasan/report.c:489 kasan_report+0x143/0x180 mm/kasan/report.c:602 register_lock_class+0x8db/0x980 kernel/locking/lockdep.c:1341 __lock_acquire+0xf3/0x2100 kernel/locking/lockdep.c:5101 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 __wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105 __usb_hcd_giveback_urb+0x4ff/0x6e0 drivers/usb/core/hcd.c:1653 dummy_timer+0x856/0x4620 drivers/usb/gadget/udc/dummy_hcd.c:1993 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:mas_safe_min lib/maple_tree.c:733 [inline] RIP: 0010:mas_wr_node_walk lib/maple_tree.c:2237 [inline] RIP: 0010:mas_wr_walk_descend+0x45c/0x840 lib/maple_tree.c:3516 Code: 08 48 89 df e8 05 51 48 f6 48 8b 2b 49 8d 5c 24 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 d7 51 48 f6 48 89 2b <41> 0f b6 de 31 ff 89 de e8 d7 97 e0 f5 84 db 0f 84 09 02 00 00 e8 RSP: 0018:ffffc9000463f548 EFLAGS: 00000246 RAX: 1ffff920008c7ee7 RBX: ffffc9000463f738 RCX: ffff888046fc0000 RDX: 0000000000000000 RSI: 00007fa01928efff RDI: 00007fa01928b000 RBP: 00007fa01928efff R08: ffffffff8bbedbb6 R09: ffffffff8bbed975 R10: 0000000000000003 R11: ffff888046fc0000 R12: ffffc9000463f720 R13: ffffc9000463f740 R14: 0000000000000000 R15: dffffc0000000000 mas_wr_walk lib/maple_tree.c:3541 [inline] mas_wr_store_type+0xea/0x16c0 lib/maple_tree.c:4218 mas_preallocate+0x27d/0x8d0 lib/maple_tree.c:5540 vma_iter_prealloc mm/vma.h:349 [inline] vma_link+0x13e/0x500 mm/vma.c:1688 insert_vm_struct+0x2f7/0x410 mm/mmap.c:1739 __install_special_mapping mm/mmap.c:1889 [inline] _install_special_mapping+0x1c7/0x350 mm/mmap.c:1925 map_vdso+0x227/0x4a0 arch/x86/entry/vdso/vma.c:292 load_elf_binary+0x1c7a/0x2770 fs/binfmt_elf.c:1278 search_binary_handler fs/exec.c:1748 [inline] exec_binprm fs/exec.c:1790 [inline] bprm_execve+0xaf5/0x17a0 fs/exec.c:1842 do_execveat_common+0x55f/0x6f0 fs/exec.c:1949 do_execve fs/exec.c:2023 [inline] __do_sys_execve fs/exec.c:2099 [inline] __se_sys_execve fs/exec.c:2094 [inline] __x64_sys_execve+0x92/0xb0 fs/exec.c:2094 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5301d0ef7 Code: Unable to access opcode bytes at 0x7fc5301d0ecd. RSP: 002b:00007fff03abf028 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00005590e5543000 RCX: 00007fc5301d0ef7 RDX: 00005590e5543028 RSI: 00005590e5543000 RDI: 00005590e55430e0 RBP: 00005590e55430e0 R08: 00005590e55430e5 R09: 00007fff03ac4d87 R10: 00007fc5303cf088 R11: 0000000000000246 R12: 00005590e5543028 R13: 00007fc53037e904 R14: 00005590e5543028 R15: 0000000000000000 Allocated by task 18323: 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:377 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] xpad_probe+0x3c8/0x1b90 drivers/input/joystick/xpad.c:1999 usb_probe_interface+0x641/0xbb0 drivers/usb/core/driver.c:396 really_probe+0x2b8/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:534 device_add+0x856/0xbf0 drivers/base/core.c:3665 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:291 really_probe+0x2b8/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:459 __device_attach+0x333/0x520 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:534 device_add+0x856/0xbf0 drivers/base/core.c:3665 usb_new_device+0x104a/0x19a0 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d6d/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 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 975: 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:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2338 [inline] slab_free mm/slub.c:4598 [inline] kfree+0x196/0x430 mm/slub.c:4746 xpad_disconnect+0x359/0x490 drivers/input/joystick/xpad.c:2180 usb_unbind_interface+0x25b/0x940 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296 bus_remove_device+0x34f/0x420 drivers/base/bus.c:576 device_del+0x57a/0x9b0 drivers/base/core.c:3854 usb_disable_device+0x3bf/0x850 drivers/usb/core/message.c:1418 usb_disconnect+0x340/0x950 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x1ebc/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/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 ffff888033291800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 145 bytes inside of freed 1024-byte region [ffff888033291800, ffff888033291c00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x33290 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000040 ffff88801ac41dc0 0000000000000000 dead000000000001 raw: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000 head: 00fff00000000040 ffff88801ac41dc0 0000000000000000 dead000000000001 head: 0000000000000000 0000000000100010 00000001f5000000 0000000000000000 head: 00fff00000000003 ffffea0000cca401 ffffffffffffffff 0000000000000000 head: 0000000000000008 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 0x52820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 18389, tgid 18389 (syz-executor), ts 1533850528124, free_ts 1533710614730 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3651/0x37a0 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_slab_page+0x6a/0x140 mm/slub.c:2408 allocate_slab+0x5a/0x2f0 mm/slub.c:2574 new_slab mm/slub.c:2627 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3815 __slab_alloc+0x58/0xa0 mm/slub.c:3905 __slab_alloc_node mm/slub.c:3980 [inline] slab_alloc_node mm/slub.c:4141 [inline] __kmalloc_cache_noprof+0x27b/0x390 mm/slub.c:4309 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] batadv_hardif_add_interface net/batman-adv/hard-interface.c:882 [inline] batadv_hard_if_event+0xf37/0x1810 net/batman-adv/hard-interface.c:970 notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2034 [inline] call_netdevice_notifiers net/core/dev.c:2048 [inline] register_netdevice+0x167f/0x1b00 net/core/dev.c:10626 veth_newlink+0x685/0xc10 drivers/net/veth.c:1850 rtnl_newlink_create+0x2df/0xa30 net/core/rtnetlink.c:3780 __rtnl_newlink net/core/rtnetlink.c:3897 [inline] rtnl_newlink+0x17dd/0x24f0 net/core/rtnetlink.c:4007 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6917 page last free pid 13657 tgid 13657 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_page+0xde3/0x1130 mm/page_alloc.c:2657 __slab_free+0x31b/0x3d0 mm/slub.c:4509 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x1d9/0x380 mm/slub.c:4160 getname_flags+0xb7/0x540 fs/namei.c:139 do_sys_openat2+0xd2/0x1d0 fs/open.c:1396 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1428 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888033291780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888033291800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888033291880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888033291900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888033291980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 08 48 89 or %cl,-0x77(%rax) 3: df e8 fucomip %st(0),%st 5: 05 51 48 f6 48 add $0x48f64851,%eax a: 8b 2b mov (%rbx),%ebp c: 49 8d 5c 24 18 lea 0x18(%r12),%rbx 11: 48 89 d8 mov %rbx,%rax 14: 48 c1 e8 03 shr $0x3,%rax 18: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 1d: 74 08 je 0x27 1f: 48 89 df mov %rbx,%rdi 22: e8 d7 51 48 f6 call 0xf64851fe 27: 48 89 2b mov %rbp,(%rbx) * 2a: 41 0f b6 de movzbl %r14b,%ebx <-- trapping instruction 2e: 31 ff xor %edi,%edi 30: 89 de mov %ebx,%esi 32: e8 d7 97 e0 f5 call 0xf5e0980e 37: 84 db test %bl,%bl 39: 0f 84 09 02 00 00 je 0x248 3f: e8 .byte 0xe8