xpad 6-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19 xpad 6-1:179.65: 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+0x23a/0x260 kernel/locking/spinlock_debug.c:115 Read of size 4 at addr ffff888058b3405c by task udevd/5190 CPU: 2 UID: 0 PID: 5190 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x13d/0x4b0 mm/kasan/report.c:482 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595 debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline] do_raw_spin_lock+0x23a/0x260 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:156 [inline] _raw_spin_lock_irqsave+0x42/0x60 kernel/locking/spinlock.c:181 __wake_up_common_lock kernel/sched/wait.c:124 [inline] __wake_up+0x1c/0x60 kernel/sched/wait.c:146 __usb_unanchor_urb drivers/usb/core/urb.c:155 [inline] usb_anchor_resume_wakeups+0xc7/0xf0 drivers/usb/core/urb.c:149 __usb_hcd_giveback_urb+0x3d8/0x610 drivers/usb/core/hcd.c:1660 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xdb5/0x3840 drivers/usb/gadget/udc/dummy_hcd.c:2051 __run_hrtimer kernel/time/hrtimer.c:2079 [inline] __hrtimer_run_queues+0x448/0x9a0 kernel/time/hrtimer.c:2136 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2153 handle_softirqs+0x216/0xa20 kernel/softirq.c:669 __do_softirq kernel/softirq.c:703 [inline] invoke_softirq kernel/softirq.c:542 [inline] __irq_exit_rcu+0x178/0x220 kernel/softirq.c:786 irq_exit_rcu+0x9/0x30 kernel/softirq.c:809 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:write_comp_data+0xb/0xb0 kernel/kcov.c:246 Code: eb 71 7a 00 e9 6d fd ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 50 4b ac 13 49 89 f0 <49> 89 d1 48 89 ce 65 48 8b 0d 2f 4b ac 13 48 63 d0 a9 00 01 00 ff RSP: 0018:ffffc90029e0f9c0 EFLAGS: 00000246 RAX: 8000000000000000 RBX: ffff88803ba6aac0 RCX: ffffffff82cf5828 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff82cf5800 R15: ffff88803ba6aac2 kernfs_iop_permission+0x28/0xc0 fs/kernfs/inode.c:280 do_inode_permission fs/namei.c:583 [inline] inode_permission+0x3f4/0x630 fs/namei.c:653 lookup_inode_permission_may_exec fs/namei.c:702 [inline] may_lookup fs/namei.c:1967 [inline] link_path_walk+0xbe8/0x1bd0 fs/namei.c:2610 path_openat+0x1a7/0x23f0 fs/namei.c:5012 do_file_open+0x20e/0x430 fs/namei.c:5045 do_sys_openat2+0x163/0x1d0 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+0x12d/0x210 fs/open.c:1460 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f243d4a7407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffccffb65d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f243db71880 RCX: 00007f243d4a7407 RDX: 0000000000080000 RSI: 00007ffccffb6750 RDI: ffffffffffffff9c RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000556a9735c7f5 R13: 0000556a9735c7f5 R14: 0000000000000001 R15: 0000000000000000 Allocated by task 50: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5680 _kmalloc_noprof include/linux/slab.h:991 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] xpad_probe+0x28e/0x1f60 drivers/input/joystick/xpad.c:2073 usb_probe_interface+0x386/0x980 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:629 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:707 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1027 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4c0 drivers/base/dd.c:1131 device_initial_probe+0xaf/0xf0 drivers/base/dd.c:1190 __bus_probe_device+0x60/0x160 drivers/base/bus.c:614 device_add+0x121d/0x1970 drivers/base/core.c:3778 usb_set_configuration+0xd97/0x1dc0 drivers/usb/core/message.c:2280 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:629 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:707 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1027 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4c0 drivers/base/dd.c:1131 device_initial_probe+0xaf/0xf0 drivers/base/dd.c:1190 __bus_probe_device+0x60/0x160 drivers/base/bus.c:614 device_add+0x121d/0x1970 drivers/base/core.c:3778 usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2713 usb_new_device include/linux/workqueue.h:715 [inline] 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.cold+0x1e3/0xe90 drivers/usb/core/hub.c:5971 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495 process_scheduled_works kernel/workqueue.c:3578 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 30: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5f/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+0x22b/0x6d0 mm/slub.c:6923 xpad_disconnect+0x1cf/0x530 drivers/input/joystick/xpad.c:2257 usb_unbind_interface+0x1dd/0x9b0 drivers/usb/core/driver.c:460 device_remove drivers/base/dd.c:619 [inline] device_remove+0x12a/0x180 drivers/base/dd.c:611 __device_release_driver drivers/base/dd.c:1357 [inline] device_release_driver_internal+0x441/0x610 drivers/base/dd.c:1380 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:678 device_del+0x376/0x9b0 drivers/base/core.c:3967 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1484 usb_disconnect+0x2e2/0x9a0 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+0x1bb1/0x4420 drivers/usb/core/hub.c:5971 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3495 process_scheduled_works kernel/workqueue.c:3578 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3659 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 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 ffff888058b34000 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 92 bytes inside of freed 1024-byte region [ffff888058b34000, ffff888058b34400) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x58b30 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 ffff88801d442dc0 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 head: 00fff00000000040 ffff88801d442dc0 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 14, tgid 14 (kworker/u32:1), ts 74346127737 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859 prep_new_page mm/page_alloc.c:1867 [inline] get_page_from_freelist+0x112f/0x3640 mm/page_alloc.c:3940 __alloc_frozen_pages_noprof+0x2ad/0x31e0 mm/page_alloc.c:5464 alloc_slab_page mm/slub.c:3384 [inline] allocate_slab mm/slub.c:3499 [inline] new_slab+0xb1/0x6d0 mm/slub.c:3550 refill_objects+0xe3/0x410 mm/slub.c:7539 refill_sheaf mm/slub.c:2917 [inline] __pcs_replace_empty_main+0x35e/0x650 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+0x677/0x840 mm/slub.c:5556 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] ieee802_11_parse_elems_full+0x17f/0x3500 net/mac80211/parse.c:1077 ieee80211_inform_bss+0x1a9/0x11d0 net/mac80211/scan.c:91 rdev_inform_bss net/wireless/rdev-ops.h:457 [inline] cfg80211_inform_single_bss_data+0x898/0x1dc0 net/wireless/scan.c:2447 cfg80211_inform_bss_data+0x230/0x37c0 net/wireless/scan.c:3303 cfg80211_inform_bss_frame_data+0x449/0xa40 net/wireless/scan.c:3399 ieee80211_bss_info_update+0x310/0xa90 net/mac80211/scan.c:236 ieee80211_scan_rx+0x4e6/0xb60 net/mac80211/scan.c:370 __ieee80211_rx_handle_packet+0x130a/0x1b30 net/mac80211/rx.c:5414 ieee80211_rx_list+0xef4/0x2020 net/mac80211/rx.c:5765 page last free pid 7182 tgid 7177 ts 67163312333 stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1403 [inline] __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2957 __folio_put+0x3b4/0x5f0 mm/folio.c:106 folio_put include/linux/mm.h:2305 [inline] put_page include/linux/mm.h:2374 [inline] netmem_dec_ref include/net/netmem.h:444 [inline] skb_netmem_unref include/linux/skbuff_ref.h:64 [inline] skb_release_data+0x60c/0x860 net/core/skbuff.c:1117 skb_release_all net/core/skbuff.c:1188 [inline] __napi_kfree_skb net/core/skbuff.c:1485 [inline] kfree_skb_napi_cache net/core/skbuff.c:7455 [inline] skb_attempt_defer_free+0x2fb/0x940 net/core/skbuff.c:7489 tcp_eat_recv_skb net/ipv4/tcp.c:1634 [inline] tcp_recvmsg_locked+0x11fc/0x2b80 net/ipv4/tcp.c:2907 tcp_recvmsg+0x141/0x680 net/ipv4/tcp.c:2952 inet_recvmsg+0xd5/0x4c0 net/ipv4/af_inet.c:892 sock_recvmsg_nosec net/socket.c:1154 [inline] sock_recvmsg+0x1b8/0x220 net/socket.c:1176 __sys_recvfrom+0x1f2/0x2f0 net/socket.c:2333 __do_sys_recvfrom net/socket.c:2348 [inline] __se_sys_recvfrom net/socket.c:2344 [inline] __x64_sys_recvfrom+0xe0/0x1c0 net/socket.c:2344 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888058b33f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888058b33f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888058b34000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888058b34080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888058b34100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ---------------- Code disassembly (best guess): 0: eb 71 jmp 0x73 2: 7a 00 jp 0x4 4: e9 6d fd ff ff jmp 0xfffffd76 9: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 65 48 8b 05 50 4b ac mov %gs:0x13ac4b50(%rip),%rax # 0x13ac4b77 26: 13 27: 49 89 f0 mov %rsi,%r8 * 2a: 49 89 d1 mov %rdx,%r9 <-- trapping instruction 2d: 48 89 ce mov %rcx,%rsi 30: 65 48 8b 0d 2f 4b ac mov %gs:0x13ac4b2f(%rip),%rcx # 0x13ac4b67 37: 13 38: 48 63 d0 movslq %eax,%rdx 3b: a9 00 01 00 ff test $0xff000100,%eax