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+0x28b/0x2f0 kernel/locking/spinlock_debug.c:115
Read of size 4 at addr ffff88803195085c by task syz.1.641/7671
CPU: 1 UID: 0 PID: 7671 Comm: syz.1.641 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xba/0x230 mm/kasan/report.c:482
kasan_report+0x117/0x150 mm/kasan/report.c:595
debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline]
do_raw_spin_lock+0x28b/0x2f0 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock_irqsave+0x4c/0x60 kernel/locking/spinlock.c:162
__wake_up_common_lock+0x2f/0x1f0 kernel/sched/wait.c:124
__usb_hcd_giveback_urb+0x3b0/0x540 drivers/usb/core/hcd.c:1660
dummy_timer+0xbbd/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1995
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x53a/0xcc0 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x182/0x5a0 kernel/time/hrtimer.c:1866
handle_softirqs+0x22a/0x870 kernel/softirq.c:626
__do_softirq kernel/softirq.c:660 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727
irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__kasan_check_byte+0xd/0x40 mm/kasan/common.c:573
Code: 5f e9 17 fa ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 41 56 53 48 89 f3 49 89 fe 8e 15 00 00 84 c0 75 16 be 01 00 00 00 4c 89 f7 31 d2 48 89 d9
RSP: 0018:ffffc900025df3d0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff823c6587 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff823c6587 RDI: ffffffff8e960620
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100b955e1c R12: 0000000000000002
R13: ffffffff8e960620 R14: ffffffff8e960620 R15: 0000000000000000
kasan_check_byte include/linux/kasan.h:402 [inline]
lock_acquire+0x79/0x2e0 kernel/locking/lockdep.c:5842
rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
rcu_read_lock include/linux/rcupdate.h:850 [inline]
__page_table_check_zero+0x87/0x3e0 mm/page_table_check.c:138
page_table_check_alloc include/linux/page_table_check.h:38 [inline]
post_alloc_hook+0x240/0x280 mm/page_alloc.c:1893
prep_new_page mm/page_alloc.c:1900 [inline]
get_page_from_freelist+0x23a1/0x2440 mm/page_alloc.c:3965
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5253
__alloc_pages_noprof mm/page_alloc.c:5287 [inline]
alloc_pages_bulk_noprof+0x569/0x710 mm/page_alloc.c:5207
___alloc_pages_bulk mm/kasan/shadow.c:345 [inline]
__kasan_populate_vmalloc_do mm/kasan/shadow.c:370 [inline]
__kasan_populate_vmalloc+0xc1/0x1d0 mm/kasan/shadow.c:424
kasan_populate_vmalloc include/linux/kasan.h:580 [inline]
alloc_vmap_area+0xd73/0x14b0 mm/vmalloc.c:2123
__get_vm_area_node+0x1f8/0x300 mm/vmalloc.c:3226
__vmalloc_node_range_noprof+0x355/0x1a80 mm/vmalloc.c:4018
vmalloc_user_noprof+0xad/0xe0 mm/vmalloc.c:4212
xskq_create+0xbf/0x170 net/xdp/xsk_queue.c:49
xsk_init_queue+0x8a/0xe0 net/xdp/xsk.c:1157
xsk_setsockopt+0x603/0x990 net/xdp/xsk.c:1509
do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2402
__sys_setsockopt net/socket.c:2427 [inline]
__do_sys_setsockopt net/socket.c:2433 [inline]
__se_sys_setsockopt net/socket.c:2430 [inline]
__x64_sys_setsockopt+0x13d/0x1b0 net/socket.c:2430
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6395b9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6396a26028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f6395e15fa0 RCX: 00007f6395b9c799
RDX: 0000000000000002 RSI: 000000000000011b RDI: 0000000000000004
RBP: 00007f6395c32bd9 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6395e16038 R14: 00007f6395e15fa0 R15: 00007ffe10ac5588
Allocated by task 5934:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__kmalloc_cache_noprof+0x31c/0x660 mm/slub.c:5358
kmalloc_noprof include/linux/slab.h:950 [inline]
kzalloc_noprof include/linux/slab.h:1188 [inline]
xpad_probe+0x428/0x1fc0 drivers/input/joystick/xpad.c:2080
usb_probe_interface+0x668/0xc90 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x267/0xaf0 drivers/base/dd.c:661
__driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
__device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c5/0x450 drivers/base/dd.c:1033
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
device_add+0x7b6/0xb70 drivers/base/core.c:3689
usb_set_configuration+0x1a87/0x2110 drivers/usb/core/message.c:2208
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c4/0x3b0 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x267/0xaf0 drivers/base/dd.c:661
__driver_probe_device+0x18c/0x320 drivers/base/dd.c:803
driver_probe_device+0x4f/0x240 drivers/base/dd.c:833
__device_attach_driver+0x2d4/0x4c0 drivers/base/dd.c:961
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c5/0x450 drivers/base/dd.c:1033
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1088
bus_probe_device+0x12a/0x220 drivers/base/bus.c:574
device_add+0x7b6/0xb70 drivers/base/core.c:3689
usb_new_device+0xa08/0x16f0 drivers/usb/core/hub.c:2695
hub_port_connect drivers/usb/core/hub.c:5567 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
port_event drivers/usb/core/hub.c:5871 [inline]
hub_event+0x2a1c/0x4f30 drivers/usb/core/hub.c:5953
process_one_work+0x949/0x1650 kernel/workqueue.c:3279
process_scheduled_works kernel/workqueue.c:3362 [inline]
worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Freed by task 5878:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2692 [inline]
slab_free mm/slub.c:6143 [inline]
kfree+0x1c1/0x630 mm/slub.c:6461
xpad_disconnect+0x350/0x480 drivers/input/joystick/xpad.c:2264
usb_unbind_interface+0x26e/0x910 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:573 [inline]
__device_release_driver drivers/base/dd.c:1284 [inline]
device_release_driver_internal+0x4d9/0x860 drivers/base/dd.c:1307
bus_remove_device+0x34d/0x440 drivers/base/bus.c:616
device_del+0x527/0x8f0 drivers/base/core.c:3878
usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1418
usb_disconnect+0x32f/0x990 drivers/usb/core/hub.c:2345
hub_port_connect drivers/usb/core/hub.c:5407 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
port_event drivers/usb/core/hub.c:5871 [inline]
hub_event+0x1cc9/0x4f30 drivers/usb/core/hub.c:5953
process_one_work+0x949/0x1650 kernel/workqueue.c:3279
process_scheduled_works kernel/workqueue.c:3362 [inline]
worker_thread+0xb46/0x1140 kernel/workqueue.c:3443
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 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 ffff888031950800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 92 bytes inside of
freed 1024-byte region [ffff888031950800, ffff888031950c00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888031956800 pfn:0x31950
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88813ffbcdc0 ffffea00016fe210 ffffea00016c5e10
raw: ffff888031956800 000000080010000e 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88813ffbcdc0 ffffea00016fe210 ffffea00016c5e10
head: ffff888031956800 000000080010000e 00000000f5000000 0000000000000000
head: 00fff00000000003 ffffea0000c65401 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5667, tgid 5667 (dhcpcd), ts 56346453657, free_ts 56344541333
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x231/0x280 mm/page_alloc.c:1892
prep_new_page mm/page_alloc.c:1900 [inline]
get_page_from_freelist+0x23a1/0x2440 mm/page_alloc.c:3965
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5253
alloc_slab_page mm/slub.c:3269 [inline]
allocate_slab+0x77/0x660 mm/slub.c:3458
new_slab mm/slub.c:3516 [inline]
refill_objects+0x331/0x3c0 mm/slub.c:7153
refill_sheaf mm/slub.c:2818 [inline]
__pcs_replace_empty_main+0x2b9/0x620 mm/slub.c:4592
alloc_from_pcs mm/slub.c:4695 [inline]
slab_alloc_node mm/slub.c:4829 [inline]
__do_kmalloc_node mm/slub.c:5237 [inline]
__kmalloc_noprof+0x474/0x760 mm/slub.c:5250
kmalloc_noprof include/linux/slab.h:954 [inline]
load_elf_phdrs fs/binfmt_elf.c:541 [inline]
load_elf_binary+0x30f/0x2980 fs/binfmt_elf.c:870
search_binary_handler fs/exec.c:1664 [inline]
exec_binprm fs/exec.c:1696 [inline]
bprm_execve+0x93d/0x1460 fs/exec.c:1748
do_execveat_common+0x50d/0x690 fs/exec.c:1846
__do_sys_execve fs/exec.c:1930 [inline]
__se_sys_execve fs/exec.c:1924 [inline]
__x64_sys_execve+0x97/0xc0 fs/exec.c:1924
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5483 tgid 5483 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1436 [inline]
__free_frozen_pages+0xbe2/0xd60 mm/page_alloc.c:2981
skb_kfree_head net/core/skbuff.c:1089 [inline]
skb_free_head net/core/skbuff.c:1101 [inline]
skb_release_data+0x6f0/0x940 net/core/skbuff.c:1128
skb_release_all net/core/skbuff.c:1203 [inline]
__kfree_skb+0x5d/0x210 net/core/skbuff.c:1217
netlink_recvmsg+0x5d6/0xa50 net/netlink/af_netlink.c:1972
sock_recvmsg_nosec+0x186/0x1c0 net/socket.c:1158
____sys_recvmsg+0x245/0x510 net/socket.c:-1
___sys_recvmsg+0x215/0x590 net/socket.c:2937
__sys_recvmsg net/socket.c:2970 [inline]
__do_sys_recvmsg net/socket.c:2976 [inline]
__se_sys_recvmsg net/socket.c:2973 [inline]
__x64_sys_recvmsg+0x1ba/0x2a0 net/socket.c:2973
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Memory state around the buggy address:
ffff888031950700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888031950780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888031950800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888031950880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888031950900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 5f pop %rdi
1: e9 17 fa ff ff jmp 0xfffffa1d
6: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
d: 90 nop
e: 90 nop
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: 0f 1f 40 d6 nopl -0x2a(%rax)
21: 41 56 push %r14
23: 53 push %rbx
24: 48 89 f3 mov %rsi,%rbx
27: 49 89 fe mov %rdi,%r14
* 2a: e8 8e 15 00 00 call 0x15bd <-- trapping instruction
2f: 84 c0 test %al,%al
31: 75 16 jne 0x49
33: be 01 00 00 00 mov $0x1,%esi
38: 4c 89 f7 mov %r14,%rdi
3b: 31 d2 xor %edx,%edx
3d: 48 89 d9 mov %rbx,%rcx