xpad 1-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19
xpad 1-1:179.65: xpad_irq_out - usb_submit_urb failed with result -19
==================================================================
BUG: KASAN: use-after-free in register_lock_class+0x7dd/0x870 kernel/locking/lockdep.c:1331
Read of size 1 at addr ffff8880768f2091 by task syz.2.88/4584
CPU: 0 PID: 4584 Comm: syz.2.88 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
print_address_description mm/kasan/report.c:316 [inline]
print_report+0xa8/0x210 mm/kasan/report.c:420
kasan_report+0x10b/0x140 mm/kasan/report.c:524
register_lock_class+0x7dd/0x870 kernel/locking/lockdep.c:1331
__lock_acquire+0x16f/0x7d10 kernel/locking/lockdep.c:4928
lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5662
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
__wake_up_common_lock kernel/sched/wait.c:137 [inline]
__wake_up+0x107/0x1a0 kernel/sched/wait.c:160
__usb_hcd_giveback_urb+0x396/0x520 drivers/usb/core/hcd.c:1678
dummy_timer+0xbf6/0x3090 drivers/usb/gadget/udc/dummy_hcd.c:1994
__run_hrtimer kernel/time/hrtimer.c:1747 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:unwind_next_frame+0x1876/0x20b0 arch/x86/kernel/unwind_orc.c:629
Code: 84 c0 0f 85 41 08 00 00 41 80 3e 00 75 47 80 3d 7f 3b d2 0c 00 75 3e c6 05 76 3b d2 0c 01 48 c7 c7 80 85 89 8a e9 9d fa ff ff 01 00 00 00 e8 20 b9 1f 00 65 8b 0d e1 3d c9 7e b0 01 85 c9 75
RSP: 0018:ffffc9000504f850 EFLAGS: 00000206
RAX: ffffc90005050000 RBX: ffffc9000504f928 RCX: ffffc9000504fcd0
RDX: ffffc9000504f901 RSI: dffffc0000000000 RDI: ffffc9000504f930
RBP: ffffffff8eaa03b6 R08: ffffc9000504fcb8 R09: ffffc9000504f978
R10: dffffc0000000000 R11: fffff52000a09f31 R12: ffffc90005048000
R13: dffffc0000000000 R14: ffffc9000504f938 R15: ffffc9000504fcc8
arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
__kasan_slab_alloc+0x6b/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
slab_alloc_node mm/slub.c:3359 [inline]
slab_alloc mm/slub.c:3367 [inline]
__kmem_cache_alloc_lru mm/slub.c:3374 [inline]
kmem_cache_alloc+0x123/0x2f0 mm/slub.c:3383
kmem_cache_zalloc include/linux/slab.h:689 [inline]
lsm_inode_alloc security/security.c:596 [inline]
security_inode_alloc+0x30/0x110 security/security.c:1040
inode_init_always+0x8f8/0xc90 fs/inode.c:232
alloc_inode fs/inode.c:268 [inline]
new_inode_pseudo+0x91/0x1c0 fs/inode.c:1063
sock_alloc net/socket.c:631 [inline]
__sock_create+0x129/0x940 net/socket.c:1513
sock_create net/socket.c:1605 [inline]
__sys_socket_create net/socket.c:1642 [inline]
__sys_socket+0xc4/0x190 net/socket.c:1670
__do_sys_socket net/socket.c:1683 [inline]
__se_sys_socket net/socket.c:1681 [inline]
__x64_sys_socket+0x76/0x80 net/socket.c:1681
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1ae2f9c799
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:00007f1ae3da0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f1ae3216090 RCX: 00007f1ae2f9c799
RDX: 0000000000000088 RSI: 0000000000000002 RDI: 0000000000000002
RBP: 00007f1ae3032bd9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1ae3216128 R14: 00007f1ae3216090 R15: 00007ffd54406928
Allocated by task 4318:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
____kasan_kmalloc mm/kasan/common.c:375 [inline]
__kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:699 [inline]
xpad_probe+0x41d/0x1d30 drivers/input/joystick/xpad.c:1969
usb_probe_interface+0x5c5/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2aa/0xc70 drivers/base/dd.c:639
__driver_probe_device+0x18c/0x330 drivers/base/dd.c:785
driver_probe_device+0x4f/0x420 drivers/base/dd.c:815
__device_attach_driver+0x2c6/0x510 drivers/base/dd.c:943
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2a8/0x480 drivers/base/dd.c:1015
bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489
device_add+0xa00/0xfb0 drivers/base/core.c:3697
usb_set_configuration+0x1991/0x1fd0 drivers/usb/core/message.c:2165
usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x139/0x270 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2aa/0xc70 drivers/base/dd.c:639
__driver_probe_device+0x18c/0x330 drivers/base/dd.c:785
driver_probe_device+0x4f/0x420 drivers/base/dd.c:815
__device_attach_driver+0x2c6/0x510 drivers/base/dd.c:943
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2a8/0x480 drivers/base/dd.c:1015
bus_probe_device+0xbc/0x1e0 drivers/base/bus.c:489
device_add+0xa00/0xfb0 drivers/base/core.c:3697
usb_new_device+0xd66/0x1650 drivers/usb/core/hub.c:2659
hub_port_connect drivers/usb/core/hub.c:5517 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5657 [inline]
port_event drivers/usb/core/hub.c:5817 [inline]
hub_event+0x2dcf/0x5560 drivers/usb/core/hub.c:5899
process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Freed by task 4275:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x2d/0x50 mm/kasan/generic.c:516
____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:237
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1729 [inline]
slab_free_freelist_hook+0x131/0x1a0 mm/slub.c:1755
slab_free mm/slub.c:3687 [inline]
__kmem_cache_free+0xb6/0x1f0 mm/slub.c:3700
xpad_disconnect+0x34c/0x470 drivers/input/joystick/xpad.c:2150
usb_unbind_interface+0x1ee/0x860 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:550 [inline]
__device_release_driver drivers/base/dd.c:1260 [inline]
device_release_driver_internal+0x522/0x850 drivers/base/dd.c:1286
bus_remove_device+0x2e2/0x400 drivers/base/bus.c:531
device_del+0x6af/0xaf0 drivers/base/core.c:3885
usb_disable_device+0x3e2/0x890 drivers/usb/core/message.c:1414
usb_disconnect+0x348/0x8a0 drivers/usb/core/hub.c:2314
hub_port_connect drivers/usb/core/hub.c:5361 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5657 [inline]
port_event drivers/usb/core/hub.c:5817 [inline]
hub_event+0x1e50/0x5560 drivers/usb/core/hub.c:5899
process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
The buggy address belongs to the object at ffff8880768f2000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 145 bytes inside of
1024-byte region [ffff8880768f2000, ffff8880768f2400)
The buggy address belongs to the physical page:
page:ffffea0001da3c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x768f0
head:ffffea0001da3c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea00009b5200 dead000000000002 ffff888017441dc0
raw: 0000000000000000 0000000000100010 00000001ffffffff 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 3628, tgid 3628 (klogd), ts 66305870967, free_ts 66297944069
set_page_owner include/linux/page_owner.h:31 [inline]
post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2559
prep_new_page mm/page_alloc.c:2566 [inline]
get_page_from_freelist+0x1a1e/0x1ab0 mm/page_alloc.c:4357
__alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5657
alloc_slab_page+0x5d/0x160 mm/slub.c:1799
allocate_slab mm/slub.c:1944 [inline]
new_slab+0x87/0x2c0 mm/slub.c:1997
___slab_alloc+0xbc6/0x1240 mm/slub.c:3154
__slab_alloc mm/slub.c:3240 [inline]
slab_alloc_node mm/slub.c:3325 [inline]
__kmem_cache_alloc_node+0x1a0/0x260 mm/slub.c:3398
kmalloc_trace+0x26/0xe0 mm/slab_common.c:1026
kmalloc include/linux/slab.h:563 [inline]
syslog_print+0x100/0x630 kernel/printk/printk.c:1500
do_syslog+0x817/0x900 kernel/printk/printk.c:1679
__do_sys_syslog kernel/printk/printk.c:1771 [inline]
__se_sys_syslog kernel/printk/printk.c:1769 [inline]
__x64_sys_syslog+0x78/0x90 kernel/printk/printk.c:1769
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1486 [inline]
free_pcp_prepare mm/page_alloc.c:1536 [inline]
free_unref_page_prepare+0x8b4/0x9a0 mm/page_alloc.c:3413
free_unref_page+0x2e/0x3f0 mm/page_alloc.c:3508
free_slab mm/slub.c:2036 [inline]
discard_slab mm/slub.c:2042 [inline]
__unfreeze_partials+0x1a5/0x200 mm/slub.c:2591
put_cpu_partial+0x17c/0x250 mm/slub.c:2667
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
slab_alloc_node mm/slub.c:3359 [inline]
__kmem_cache_alloc_node+0x140/0x260 mm/slub.c:3398
kmalloc_trace+0x26/0xe0 mm/slab_common.c:1026
kmalloc include/linux/slab.h:563 [inline]
netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:643 [inline]
netdevice_event+0x325/0x900 drivers/infiniband/core/roce_gid_mgmt.c:802
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:455
__netdev_upper_dev_link+0x41e/0x590 net/core/dev.c:7776
netdev_upper_dev_link+0xad/0xf0 net/core/dev.c:7817
hsr_portdev_setup net/hsr/hsr_slave.c:152 [inline]
hsr_add_port+0x54b/0x750 net/hsr/hsr_slave.c:197
hsr_dev_finalize+0x65a/0x840 net/hsr/hsr_device.c:696
Memory state around the buggy address:
ffff8880768f1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8880768f2000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880768f2080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880768f2100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880768f2180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 84 c0 test %al,%al
2: 0f 85 41 08 00 00 jne 0x849
8: 41 80 3e 00 cmpb $0x0,(%r14)
c: 75 47 jne 0x55
e: 80 3d 7f 3b d2 0c 00 cmpb $0x0,0xcd23b7f(%rip) # 0xcd23b94
15: 75 3e jne 0x55
17: c6 05 76 3b d2 0c 01 movb $0x1,0xcd23b76(%rip) # 0xcd23b94
1e: 48 c7 c7 80 85 89 8a mov $0xffffffff8a898580,%rdi
25: e9 9d fa ff ff jmp 0xfffffac7
* 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction
2f: e8 20 b9 1f 00 call 0x1fb954
34: 65 8b 0d e1 3d c9 7e mov %gs:0x7ec93de1(%rip),%ecx # 0x7ec93e1c
3b: b0 01 mov $0x1,%al
3d: 85 c9 test %ecx,%ecx
3f: 75 .byte 0x75