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 register_lock_class+0x8db/0x980 kernel/locking/lockdep.c:1342 Read of size 1 at addr ffff88805f0c7891 by task syz-executor.4/5111 CPU: 0 PID: 5111 Comm: syz-executor.4 Not tainted 6.10.0-rc3-next-20240611-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:91 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:117 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 register_lock_class+0x8db/0x980 kernel/locking/lockdep.c:1342 __lock_acquire+0xd5/0x2000 kernel/locking/lockdep.c:5069 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5817 __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+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:obj_cgroup_charge+0x34f/0x630 mm/memcontrol.c:3675 Code: 44 24 60 42 80 3c 23 00 74 08 4c 89 ff e8 79 fa f7 ff f6 44 24 61 02 0f 85 0c 01 00 00 41 f7 c5 00 02 00 00 74 01 fb 45 31 ed <80> 7c 24 0c 00 0f 85 88 00 00 00 4c 89 f0 48 c1 e8 0c 31 db 41 81 RSP: 0018:ffffc90003547660 EFLAGS: 00000246 RAX: e21632a21d5c7000 RBX: 1ffff920006a8ed8 RCX: ffffffff816fafba RDX: dffffc0000000000 RSI: ffffffff8bcac1a0 RDI: ffffffff8c200760 RBP: ffffc90003547758 R08: ffffffff92fcb7ef R09: 1ffffffff25f96fd R10: dffffc0000000000 R11: fffffbfff25f96fe R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000118 R15: ffffc900035476c0 __memcg_slab_post_alloc_hook+0x1b1/0x7e0 mm/memcontrol.c:3768 memcg_slab_post_alloc_hook mm/slub.c:2122 [inline] slab_post_alloc_hook mm/slub.c:3980 [inline] slab_alloc_node mm/slub.c:4019 [inline] kmem_cache_alloc_noprof+0x1de/0x2a0 mm/slub.c:4026 anon_vma_alloc mm/rmap.c:94 [inline] anon_vma_fork+0xe8/0x580 mm/rmap.c:360 dup_mmap kernel/fork.c:709 [inline] dup_mm kernel/fork.c:1669 [inline] copy_mm+0xd63/0x1f30 kernel/fork.c:1718 copy_process+0x187a/0x3dc0 kernel/fork.c:2371 kernel_clone+0x226/0x8f0 kernel/fork.c:2778 __do_sys_clone kernel/fork.c:2921 [inline] __se_sys_clone kernel/fork.c:2905 [inline] __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2905 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: 0033:0x7f8ab4879ed3 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffeac797368 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ab4879ed3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000555589e20750 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 Allocated by task 5204: 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_cache_noprof+0x19c/0x2c0 mm/slub.c:4171 kmalloc_noprof include/linux/slab.h:660 [inline] kzalloc_noprof include/linux/slab.h:778 [inline] xpad_probe+0x3c8/0x1b90 drivers/input/joystick/xpad.c:2026 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+0x856/0xbf0 drivers/base/core.c:3679 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+0x856/0xbf0 drivers/base/core.c:3679 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+0x2d6a/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 25: 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+0xe0/0x150 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:2214 [inline] slab_free mm/slub.c:4455 [inline] kfree+0x149/0x360 mm/slub.c:4576 xpad_disconnect+0x359/0x490 drivers/input/joystick/xpad.c:2207 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/0x9b0 drivers/base/core.c:3868 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+0x1eb9/0x5150 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff88805f0c7800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 145 bytes inside of freed 1024-byte region [ffff88805f0c7800, ffff88805f0c7c00) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5f0c0 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: 0xfdffffff(slab) raw: 00fff00000000040 ffff888015041dc0 0000000000000000 dead000000000001 raw: 0000000000000000 0000000000100010 00000001fdffffff 0000000000000000 head: 00fff00000000040 ffff888015041dc0 0000000000000000 dead000000000001 head: 0000000000000000 0000000000100010 00000001fdffffff 0000000000000000 head: 00fff00000000003 ffffea00017c3001 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 0x152820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 2466, tgid 2466 (kworker/u8:7), ts 78679291531, free_ts 78629392649 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1470 prep_new_page mm/page_alloc.c:1478 [inline] get_page_from_freelist+0x2cbd/0x2d70 mm/page_alloc.c:3457 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4715 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x5f/0x120 mm/slub.c:2283 allocate_slab+0x5a/0x2f0 mm/slub.c:2446 new_slab mm/slub.c:2499 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3685 __slab_alloc+0x58/0xa0 mm/slub.c:3775 __slab_alloc_node mm/slub.c:3828 [inline] slab_alloc_node mm/slub.c:4007 [inline] __do_kmalloc_node mm/slub.c:4139 [inline] __kmalloc_noprof+0x257/0x400 mm/slub.c:4153 kmalloc_noprof include/linux/slab.h:664 [inline] kzalloc_noprof include/linux/slab.h:778 [inline] ieee802_11_parse_elems_full+0xdb/0x2880 net/mac80211/parse.c:958 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2344 [inline] ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2351 [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+0x1121/0x2360 net/wireless/scan.c:2293 cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3117 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3207 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 page last free pid 5121 tgid 5121 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1089 [inline] free_unref_page+0xd22/0xea0 mm/page_alloc.c:2621 discard_slab mm/slub.c:2545 [inline] __put_partials+0xeb/0x130 mm/slub.c:3013 put_cpu_partial+0x17c/0x250 mm/slub.c:3088 __slab_free+0x2ea/0x3d0 mm/slub.c:4325 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9e/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:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3959 [inline] slab_alloc_node mm/slub.c:4019 [inline] kmem_cache_alloc_lru_noprof+0x139/0x2b0 mm/slub.c:4038 sock_alloc_inode+0x28/0xc0 net/socket.c:308 alloc_inode fs/inode.c:261 [inline] new_inode_pseudo+0x69/0x1e0 fs/inode.c:1007 sock_alloc net/socket.c:634 [inline] __sock_create+0x123/0x920 net/socket.c:1535 sock_create net/socket.c:1622 [inline] __sys_socket_create net/socket.c:1659 [inline] __sys_socket+0x150/0x3c0 net/socket.c:1706 __do_sys_socket net/socket.c:1720 [inline] __se_sys_socket net/socket.c:1718 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1718 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: ffff88805f0c7780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88805f0c7800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88805f0c7880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88805f0c7900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88805f0c7980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: 44 24 60 rex.R and $0x60,%al 3: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1) 8: 74 08 je 0x12 a: 4c 89 ff mov %r15,%rdi d: e8 79 fa f7 ff call 0xfff7fa8b 12: f6 44 24 61 02 testb $0x2,0x61(%rsp) 17: 0f 85 0c 01 00 00 jne 0x129 1d: 41 f7 c5 00 02 00 00 test $0x200,%r13d 24: 74 01 je 0x27 26: fb sti 27: 45 31 ed xor %r13d,%r13d * 2a: 80 7c 24 0c 00 cmpb $0x0,0xc(%rsp) <-- trapping instruction 2f: 0f 85 88 00 00 00 jne 0xbd 35: 4c 89 f0 mov %r14,%rax 38: 48 c1 e8 0c shr $0xc,%rax 3c: 31 db xor %ebx,%ebx 3e: 41 rex.B 3f: 81 .byte 0x81