xpad 4-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19
xpad 4-1:179.65: xpad_irq_out - usb_submit_urb failed with result -19
==================================================================
BUG: KASAN: use-after-free in register_lock_class+0x7e6/0x880 kernel/locking/lockdep.c:1324
Read of size 1 at addr ffff888078886891 by task kworker/u4:0/9
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Workqueue: events_unbound cfg80211_wiphy_work
Call Trace:
dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
print_address_description+0x60/0x2d0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:434 [inline]
kasan_report+0xdf/0x130 mm/kasan/report.c:451
register_lock_class+0x7e6/0x880 kernel/locking/lockdep.c:1324
__lock_acquire+0x265/0x7d40 kernel/locking/lockdep.c:4997
lock_acquire+0x19f/0x400 kernel/locking/lockdep.c:5737
__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+0xf4/0x180 kernel/sched/wait.c:157
__usb_hcd_giveback_urb+0x394/0x520 drivers/usb/core/hcd.c:1677
dummy_timer+0xa44/0x3570 drivers/usb/gadget/udc/dummy_hcd.c:2016
call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
expire_timers kernel/time/timer.c:1699 [inline]
__run_timers+0x56c/0x810 kernel/time/timer.c:1970
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
handle_softirqs+0x336/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ae 73 8a f7 48 89 df e8 b6 55 8b f7 e8 81 56 ac f7 fb bf 01 00 00 00 f6 5b 7f f7 65 8b 05 c7 6c 2f 76 85 c0 74 02 5b c3 e8 04 7a 2d
RSP: 0018:ffffc90000ce7c30 EFLAGS: 00000286
RAX: 8ba72e4a2f2c4100 RBX: ffff888017879800 RCX: 8ba72e4a2f2c4100
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: 0000000000000001
RBP: ffffc90000ce7db8 R08: ffff888017879803 R09: 1ffff11002f0f300
R10: dffffc0000000000 R11: ffffed1002f0f301 R12: ffff88807e0c8578
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff8880178c8008
process_one_work+0x754/0xff0 kernel/workqueue.c:2283
worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
kthread+0x42e/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Allocated by task 7:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
____kasan_kmalloc mm/kasan/common.c:513 [inline]
__kasan_kmalloc+0xaf/0xe0 mm/kasan/common.c:522
kmalloc include/linux/slab.h:607 [inline]
kzalloc include/linux/slab.h:738 [inline]
xpad_probe+0x408/0x1980 drivers/input/joystick/xpad.c:1800
usb_probe_interface+0x5be/0xae0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x276/0xc70 drivers/base/dd.c:595
__driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
driver_probe_device+0x4f/0x420 drivers/base/dd.c:805
__device_attach_driver+0x2b0/0x500 drivers/base/dd.c:927
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2a7/0x480 drivers/base/dd.c:999
bus_probe_device+0xba/0x1d0 drivers/base/bus.c:489
device_add+0xbcf/0x1050 drivers/base/core.c:3427
usb_set_configuration+0x1ad8/0x2140 drivers/usb/core/message.c:2229
usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x126/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x276/0xc70 drivers/base/dd.c:595
__driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
driver_probe_device+0x4f/0x420 drivers/base/dd.c:805
__device_attach_driver+0x2b0/0x500 drivers/base/dd.c:927
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2a7/0x480 drivers/base/dd.c:999
bus_probe_device+0xba/0x1d0 drivers/base/bus.c:489
device_add+0xbcf/0x1050 drivers/base/core.c:3427
usb_new_device+0x9f6/0x15d0 drivers/usb/core/hub.c:2642
hub_port_connect drivers/usb/core/hub.c:5507 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5647 [inline]
port_event drivers/usb/core/hub.c:5809 [inline]
hub_event+0x2b8d/0x5260 drivers/usb/core/hub.c:5891
process_one_work+0x867/0xff0 kernel/workqueue.c:2310
worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
kthread+0x42e/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Freed by task 7094:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:46
kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:1710 [inline]
slab_free_freelist_hook+0xec/0x170 mm/slub.c:1736
slab_free mm/slub.c:3504 [inline]
kfree+0xef/0x2a0 mm/slub.c:4564
xpad_disconnect+0x31f/0x440 drivers/input/joystick/xpad.c:1948
usb_unbind_interface+0x203/0x870 drivers/usb/core/driver.c:458
__device_release_driver drivers/base/dd.c:1249 [inline]
device_release_driver_internal+0x487/0x710 drivers/base/dd.c:1282
bus_remove_device+0x2dd/0x400 drivers/base/bus.c:531
device_del+0x63f/0xa80 drivers/base/core.c:3615
usb_disable_device+0x3e7/0x8a0 drivers/usb/core/message.c:1478
usb_disconnect+0x33c/0x8a0 drivers/usb/core/hub.c:2297
hub_port_connect drivers/usb/core/hub.c:5351 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5647 [inline]
port_event drivers/usb/core/hub.c:5809 [inline]
hub_event+0x1d64/0x5260 drivers/usb/core/hub.c:5891
process_one_work+0x867/0xff0 kernel/workqueue.c:2310
worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
kthread+0x42e/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
The buggy address belongs to the object at ffff888078886800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 145 bytes inside of
1024-byte region [ffff888078886800, ffff888078886c00)
The buggy address belongs to the page:
page:ffffea0001e22000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78880
head:ffffea0001e22000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0000962a00 0000000400000004 ffff888017841dc0
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 0x152a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 621, ts 258984647091, free_ts 256740531648
prep_new_page mm/page_alloc.c:2426 [inline]
get_page_from_freelist+0x24f6/0x2670 mm/page_alloc.c:4192
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
alloc_slab_page mm/slub.c:1780 [inline]
allocate_slab mm/slub.c:1917 [inline]
new_slab+0xc0/0x4b0 mm/slub.c:1980
___slab_alloc+0x807/0xdd0 mm/slub.c:3013
__slab_alloc mm/slub.c:3100 [inline]
slab_alloc_node mm/slub.c:3191 [inline]
slab_alloc mm/slub.c:3233 [inline]
__kmalloc+0x11d/0x340 mm/slub.c:4408
kmalloc include/linux/slab.h:612 [inline]
kzalloc include/linux/slab.h:738 [inline]
ieee802_11_parse_elems_crc+0xb3/0x1090 net/mac80211/util.c:1478
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2243 [inline]
ieee80211_bss_info_update+0x74d/0xa80 net/mac80211/scan.c:212
ieee80211_rx_bss_info net/mac80211/ibss.c:1123 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1614 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1763/0x2b50 net/mac80211/ibss.c:1643
ieee80211_iface_process_skb net/mac80211/iface.c:1467 [inline]
ieee80211_iface_work+0x714/0xc50 net/mac80211/iface.c:1521
cfg80211_wiphy_work+0x224/0x260 net/wireless/core.c:433
process_one_work+0x867/0xff0 kernel/workqueue.c:2310
worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
kthread+0x42e/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1340 [inline]
free_pcp_prepare mm/page_alloc.c:1391 [inline]
free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317
free_unref_page+0x8f/0x2a0 mm/page_alloc.c:3396
qlist_free_all+0x35/0x90 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x150/0x160 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:254 [inline]
slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519
slab_alloc_node mm/slub.c:3225 [inline]
slab_alloc mm/slub.c:3233 [inline]
kmem_cache_alloc+0x15d/0x280 mm/slub.c:3238
kmem_cache_zalloc include/linux/slab.h:728 [inline]
lsm_inode_alloc security/security.c:599 [inline]
security_inode_alloc+0x30/0x110 security/security.c:1051
inode_init_always+0x8e5/0xc90 fs/inode.c:232
alloc_inode fs/inode.c:268 [inline]
new_inode_pseudo+0x8e/0x210 fs/inode.c:998
new_inode+0x25/0x1d0 fs/inode.c:1027
shmem_get_inode+0x304/0xa40 mm/shmem.c:2290
shmem_symlink+0x97/0x6c0 mm/shmem.c:3082
vfs_symlink+0x245/0x3d0 fs/namei.c:4480
do_symlinkat+0x1ab/0x6b0 fs/namei.c:4509
__do_sys_symlinkat fs/namei.c:4526 [inline]
__se_sys_symlinkat fs/namei.c:4523 [inline]
__x64_sys_symlinkat+0x95/0xa0 fs/namei.c:4523
Memory state around the buggy address:
ffff888078886780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888078886800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888078886880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888078886900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888078886980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 66 90 add %ah,-0x70(%rsi)
5: 53 push %rbx
6: 48 89 fb mov %rdi,%rbx
9: 48 83 c7 18 add $0x18,%rdi
d: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
12: e8 ae 73 8a f7 call 0xf78a73c5
17: 48 89 df mov %rbx,%rdi
1a: e8 b6 55 8b f7 call 0xf78b55d5
1f: e8 81 56 ac f7 call 0xf7ac56a5
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 f6 5b 7f f7 call 0xf77f5c25 <-- trapping instruction
2f: 65 8b 05 c7 6c 2f 76 mov %gs:0x762f6cc7(%rip),%eax # 0x762f6cfd
36: 85 c0 test %eax,%eax
38: 74 02 je 0x3c
3a: 5b pop %rbx
3b: c3 ret
3c: e8 .byte 0xe8
3d: 04 7a add $0x7a,%al
3f: 2d .byte 0x2d