xpad 5-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19
xpad 5-1:179.65: 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+0x28a/0x2f0 kernel/locking/spinlock_debug.c:115
Read of size 4 at addr ffff88807e75285c by task pr/ttyS0/16
CPU: 0 UID: 0 PID: 16 Comm: pr/ttyS0 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description+0x55/0x1e0 mm/kasan/report.c:378
print_report+0x58/0x70 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+0x28a/0x2f0 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:156 [inline]
_raw_spin_lock_irqsave+0x4c/0x60 kernel/locking/spinlock.c:181
__wake_up_common_lock+0x30/0x1f0 kernel/sched/wait.c:125
__usb_hcd_giveback_urb+0x3b6/0x540 drivers/usb/core/hcd.c:1660
dummy_timer+0xa91/0x4cf0 drivers/usb/gadget/udc/dummy_hcd.c:2019
__run_hrtimer kernel/time/hrtimer.c:2067 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2124
hrtimer_run_softirq+0x1e3/0x2e0 kernel/time/hrtimer.c:2141
handle_softirqs+0x226/0x860 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758
irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221
Code: f7 e8 0d 6f bc f5 f7 c3 00 02 00 00 74 05 e8 f0 b1 e8 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 14 7e ad f5 65 48 8b 05 0c 41 ad 07 48 85 c0 74 18 5b 41 5e e9
RSP: 0018:ffffc90000157ca8 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000206 RCX: 8000000000000001
RDX: 0000000000000000 RSI: ffffffff8e474d50 RDI: 0000000000000001
RBP: ffffc90000157e18 R08: ffffffff907a1e7f R09: 1ffffffff20f43cf
R10: dffffc0000000000 R11: fffffbfff20f43d0 R12: 0000000000000002
R13: ffff88801e298000 R14: ffffffff9ad35080 R15: dffffc0000000000
nbcon_emit_one kernel/printk/nbcon.c:1165 [inline]
nbcon_kthread_func+0x6c4/0x880 kernel/printk/nbcon.c:1271
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Allocated by task 5686:
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+0x321/0x600 mm/slub.c:5563
_kmalloc_noprof include/linux/slab.h:991 [inline]
_kzalloc_noprof include/linux/slab.h:1312 [inline]
xpad_probe+0x43f/0x2020 drivers/input/joystick/xpad.c:2060
usb_probe_interface+0x788/0xe50 drivers/usb/core/driver.c:399
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x254/0xae0 drivers/base/dd.c:706
__driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
__device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c4/0x450 drivers/base/dd.c:1098
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
device_add+0x7d7/0xb80 drivers/base/core.c:3776
usb_set_configuration+0x1ad8/0x2180 drivers/usb/core/message.c:2268
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x254/0xae0 drivers/base/dd.c:706
__driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
__device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
__device_attach+0x2c4/0x450 drivers/base/dd.c:1098
device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
device_add+0x7d7/0xb80 drivers/base/core.c:3776
usb_new_device+0x9aa/0x1690 drivers/usb/core/hub.c:2708
hub_port_connect drivers/usb/core/hub.c:5580 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5720 [inline]
port_event drivers/usb/core/hub.c:5884 [inline]
hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5966
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Freed by task 5719:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 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:2748 [inline]
slab_free mm/slub.c:6499 [inline]
kfree+0x1c5/0x650 mm/slub.c:6792
xpad_disconnect+0x323/0x440 drivers/input/joystick/xpad.c:2244
usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:461
device_remove drivers/base/dd.c:618 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372
bus_remove_device+0x444/0x560 drivers/base/bus.c:664
device_del+0x524/0x8f0 drivers/base/core.c:3965
usb_disable_device+0x3d4/0x8d0 drivers/usb/core/message.c:1478
usb_disconnect+0x346/0x9a0 drivers/usb/core/hub.c:2350
hub_port_connect drivers/usb/core/hub.c:5420 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5720 [inline]
port_event drivers/usb/core/hub.c:5884 [inline]
hub_event+0x1bbb/0x4d30 drivers/usb/core/hub.c:5966
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 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 ffff88807e752800
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 92 bytes inside of
freed 1024-byte region [ffff88807e752800, ffff88807e752c00)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7e750
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 ffff88801b041dc0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801b041dc0 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 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5633, tgid 5633 (syz-executor), ts 86878601374
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
prep_new_page mm/page_alloc.c:1879 [inline]
get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
__alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
alloc_slab_page mm/slub.c:3347 [inline]
allocate_slab+0x7d/0x620 mm/slub.c:3462
new_slab mm/slub.c:3513 [inline]
refill_objects+0x2d5/0x350 mm/slub.c:7410
refill_sheaf mm/slub.c:2885 [inline]
__pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
alloc_from_pcs mm/slub.c:4850 [inline]
slab_alloc_node mm/slub.c:4984 [inline]
__do_kmalloc_node mm/slub.c:5413 [inline]
__kmalloc_node_noprof+0x54d/0x720 mm/slub.c:5426
_kmalloc_node_noprof include/linux/slab.h:1200 [inline]
qdisc_alloc+0x92/0x9d0 net/sched/sch_generic.c:998
qdisc_create_dflt+0x8e/0x4e0 net/sched/sch_generic.c:1053
attach_one_default_qdisc net/sched/sch_generic.c:1219 [inline]
netdev_for_each_tx_queue include/linux/netdevice.h:2749 [inline]
attach_default_qdiscs net/sched/sch_generic.c:1237 [inline]
dev_activate+0x37a/0x1150 net/sched/sch_generic.c:1296
__dev_open+0x699/0x850 net/core/dev.c:1733
__dev_change_flags+0x329/0x820 net/core/dev.c:9812
netif_change_flags+0x7c/0x1b0 net/core/dev.c:9877
do_setlink+0xdd6/0x4670 net/core/rtnetlink.c:3266
rtnl_changelink net/core/rtnetlink.c:3905 [inline]
__rtnl_newlink net/core/rtnetlink.c:4076 [inline]
rtnl_newlink+0x15a3/0x1c30 net/core/rtnetlink.c:4215
rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7132
page last free pid 5634 tgid 5634 ts 86785461972 stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1418 [inline]
__free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2962
__slab_free+0x274/0x2c0 mm/slub.c:5815
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010
lsm_inode_alloc security/security.c:254 [inline]
security_inode_alloc+0x39/0x310 security/security.c:1215
inode_init_always_gfp+0x97e/0xd30 fs/inode.c:298
inode_init_always include/linux/fs.h:2965 [inline]
alloc_inode+0x82/0x1b0 fs/inode.c:345
new_inode_pseudo include/linux/fs.h:3044 [inline]
sock_alloc net/socket.c:710 [inline]
__sock_create+0x12d/0x9d0 net/socket.c:1640
sock_create net/socket.c:1734 [inline]
__sys_socket_create net/socket.c:1771 [inline]
__sys_socket+0xd6/0x1b0 net/socket.c:1818
__do_compat_sys_socketcall net/compat.c:447 [inline]
__se_compat_sys_socketcall net/compat.c:422 [inline]
__ia32_compat_sys_socketcall+0x412/0xa50 net/compat.c:422
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
__do_fast_syscall_32+0x27a/0x6a0 arch/x86/entry/syscall_32.c:291
do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Memory state around the buggy address:
ffff88807e752700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88807e752780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88807e752800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88807e752880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88807e752900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: f7 e8 imul %eax
2: 0d 6f bc f5 f7 or $0xf7f5bc6f,%eax
7: c3 ret
8: 00 02 add %al,(%rdx)
a: 00 00 add %al,(%rax)
c: 74 05 je 0x13
e: e8 f0 b1 e8 f5 call 0xf5e8b203
13: 9c pushf
14: 58 pop %rax
15: a9 00 02 00 00 test $0x200,%eax
1a: 75 29 jne 0x45
1c: f7 c3 00 02 00 00 test $0x200,%ebx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 14 7e ad f5 call 0xf5ad7e43 <-- trapping instruction
2f: 65 48 8b 05 0c 41 ad mov %gs:0x7ad410c(%rip),%rax # 0x7ad4143
36: 07
37: 48 85 c0 test %rax,%rax
3a: 74 18 je 0x54
3c: 5b pop %rbx
3d: 41 5e pop %r14
3f: e9 .byte 0xe9