xpad 2-1:179.65: xpad_irq_in - usb_submit_urb failed with result -19
xpad 2-1:179.65: 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+0x29d/0x370 kernel/locking/spinlock_debug.c:115
Read of size 4 at addr ffff88805a91405c by task syz.0.357/7231
CPU: 0 UID: 0 PID: 7231 Comm: syz.0.357 Not tainted 6.14.0-syzkaller-10764-gaa918db707fb #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:408 [inline]
print_report+0x16e/0x5b0 mm/kasan/report.c:521
kasan_report+0x143/0x180 mm/kasan/report.c:634
debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline]
do_raw_spin_lock+0x29d/0x370 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0xe4/0x130 kernel/locking/spinlock.c:162
__wake_up_common_lock+0x25/0x1e0 kernel/sched/wait.c:105
__usb_hcd_giveback_urb+0x501/0x6e0 drivers/usb/core/hcd.c:1653
dummy_timer+0x84b/0x4670 drivers/usb/gadget/udc/dummy_hcd.c:1994
__run_hrtimer kernel/time/hrtimer.c:1791 [inline]
__hrtimer_run_queues+0x5a6/0xd40 kernel/time/hrtimer.c:1855
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1872
handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0xfb/0x220 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd9/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 2b 00 74 08 4c 89 f7 e8 9d 12 fc f5 f6 44 24 21 02 75 55 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 52 33 60 f5 65 8b 05 2b 96 36 07 85 c0 74 46 48 c7 04 24 0e 36
RSP: 0018:ffffc900039379a0 EFLAGS: 00000206
RAX: 1592617352f4e400 RBX: 1ffff92000726f38 RCX: ffffffff81cb4e0c
RDX: 0000000000000000 RSI: ffffffff8e691321 RDI: 0000000000000001
RBP: ffffc90003937a28 R08: ffffffff905f4977 R09: 1ffffffff20be92e
R10: dffffc0000000000 R11: fffffbfff20be92f R12: 1ffff92000726f34
R13: dffffc0000000000 R14: ffffc900039379c0 R15: 0000000000000246
futex_wait_queue+0xbc/0x1f0 kernel/futex/waitwake.c:356
__futex_wait+0x181/0x320 kernel/futex/waitwake.c:668
futex_wait+0x103/0x370 kernel/futex/waitwake.c:696
do_futex+0x37c/0x5a0 kernel/futex/syscalls.c:102
__do_sys_futex kernel/futex/syscalls.c:179 [inline]
__se_sys_futex+0x436/0x4c0 kernel/futex/syscalls.c:160
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f21fa38d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f21fa6cfb88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000021d01 RCX: 00007f21fa38d169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f21fa5a5fac
RBP: 0000000000000032 R08: 7fffffffffffffff R09: 00000002fa6cfe7f
R10: 00007f21fa6cfc80 R11: 0000000000000246 R12: 00007f21fa5a5fac
R13: 00007f21fa6cfc80 R14: 0000000000021d33 R15: 00007f21fa6cfca0
Allocated by task 5888:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x9d/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x236/0x370 mm/slub.c:4349
kmalloc_noprof include/linux/slab.h:902 [inline]
kzalloc_noprof include/linux/slab.h:1036 [inline]
xpad_probe+0x3f3/0x1d80 drivers/input/joystick/xpad.c:2031
usb_probe_interface+0x650/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2b9/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x258/0x2e0 drivers/base/bus.c:462
__device_attach+0x341/0x530 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:537
device_add+0x856/0xbf0 drivers/base/core.c:3666
usb_set_configuration+0x1999/0x1fe0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:250
usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2b9/0xad0 drivers/base/dd.c:658
__driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800
driver_probe_device+0x50/0x430 drivers/base/dd.c:830
__device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958
bus_for_each_drv+0x258/0x2e0 drivers/base/bus.c:462
__device_attach+0x341/0x530 drivers/base/dd.c:1030
bus_probe_device+0x189/0x260 drivers/base/bus.c:537
device_add+0x856/0xbf0 drivers/base/core.c:3666
usb_new_device+0x1052/0x19a0 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5533 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5673 [inline]
port_event drivers/usb/core/hub.c:5833 [inline]
hub_event+0x2bfd/0x50f0 drivers/usb/core/hub.c:5915
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Freed by task 24:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2376 [inline]
slab_free mm/slub.c:4633 [inline]
kfree+0x198/0x430 mm/slub.c:4832
xpad_disconnect+0x359/0x490 drivers/input/joystick/xpad.c:2212
usb_unbind_interface+0x25b/0x940 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1273 [inline]
device_release_driver_internal+0x503/0x7c0 drivers/base/dd.c:1296
bus_remove_device+0x34f/0x420 drivers/base/bus.c:579
device_del+0x57c/0x9b0 drivers/base/core.c:3855
usb_disable_device+0x3c5/0x860 drivers/usb/core/message.c:1418
usb_disconnect+0x340/0x960 drivers/usb/core/hub.c:2316
hub_port_connect drivers/usb/core/hub.c:5373 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5673 [inline]
port_event drivers/usb/core/hub.c:5833 [inline]
hub_event+0x1d2a/0x50f0 drivers/usb/core/hub.c:5915
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
The buggy address belongs to the object at ffff88805a914000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 92 bytes inside of
freed 1024-byte region [ffff88805a914000, ffff88805a914400)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5a910
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 ffffea0001e94000 dead000000000002
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801b041dc0 ffffea0001e94000 dead000000000002
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000003 ffffea00016a4401 ffffffffffffffff 0000000000000000
head: 0000000000000008 0000000000000000 00000000ffffffff 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 5911, tgid 5908 (syz.1.2), ts 62846600612, free_ts 14676530681
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1585
prep_new_page mm/page_alloc.c:1593 [inline]
get_page_from_freelist+0x3ac1/0x3c60 mm/page_alloc.c:3538
__alloc_frozen_pages_noprof+0x266/0x580 mm/page_alloc.c:4806
alloc_pages_mpol+0x339/0x690 mm/mempolicy.c:2301
alloc_slab_page mm/slub.c:2446 [inline]
allocate_slab+0x8f/0x3a0 mm/slub.c:2610
new_slab mm/slub.c:2663 [inline]
___slab_alloc+0xc3b/0x1500 mm/slub.c:3849
__slab_alloc+0x58/0xa0 mm/slub.c:3939
__slab_alloc_node mm/slub.c:4014 [inline]
slab_alloc_node mm/slub.c:4175 [inline]
__kmalloc_cache_noprof+0x26a/0x370 mm/slub.c:4344
kmalloc_noprof include/linux/slab.h:902 [inline]
kzalloc_noprof include/linux/slab.h:1036 [inline]
fqdir_init+0x59/0x170 net/ipv4/inet_fragment.c:191
ipv4_frags_init_net+0x30/0x310 net/ipv4/ip_fragment.c:659
ops_init+0x349/0x5b0 net/core/net_namespace.c:138
setup_net+0x289/0x9f0 net/core/net_namespace.c:364
copy_net_ns+0x33f/0x570 net/core/net_namespace.c:518
create_new_namespaces+0x425/0x7b0 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x124/0x180 kernel/nsproxy.c:228
ksys_unshare+0x5e2/0xad0 kernel/fork.c:3337
page last free pid 1 tgid 1 stack trace:
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1130 [inline]
__free_frozen_pages+0xd85/0x1030 mm/page_alloc.c:2707
__free_pages mm/page_alloc.c:4917 [inline]
free_contig_range+0x154/0x430 mm/page_alloc.c:6760
destroy_args+0x94/0x4b0 mm/debug_vm_pgtable.c:1017
debug_vm_pgtable+0x555/0x590 mm/debug_vm_pgtable.c:1397
do_one_initcall+0x24a/0x940 init/main.c:1257
do_initcall_level+0x157/0x210 init/main.c:1319
do_initcalls+0x71/0xd0 init/main.c:1335
kernel_init_freeable+0x432/0x5d0 init/main.c:1567
kernel_init+0x1d/0x2b0 init/main.c:1457
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Memory state around the buggy address:
ffff88805a913f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88805a913f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88805a914000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88805a914080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88805a914100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess):
0: 9c pushf
1: 8f 44 24 20 pop 0x20(%rsp)
5: 42 80 3c 2b 00 cmpb $0x0,(%rbx,%r13,1)
a: 74 08 je 0x14
c: 4c 89 f7 mov %r14,%rdi
f: e8 9d 12 fc f5 call 0xf5fc12b1
14: f6 44 24 21 02 testb $0x2,0x21(%rsp)
19: 75 55 jne 0x70
1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 52 33 60 f5 call 0xf5603381 <-- trapping instruction
2f: 65 8b 05 2b 96 36 07 mov %gs:0x736962b(%rip),%eax # 0x7369661
36: 85 c0 test %eax,%eax
38: 74 46 je 0x80
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: 04 24 add $0x24,%al
3e: 0e (bad)
3f: 36 ss