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: 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+0x23d/0x290 kernel/locking/spinlock_debug.c:115
Read of size 4 at addr ffff88805bfee05c by task syz-executor/21047
CPU: 1 UID: 0 PID: 21047 Comm: syz-executor Not tainted 6.15.0-rc7-syzkaller-00099-g94305e83eccb #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:408 [inline]
print_report+0xb4/0x290 mm/kasan/report.c:521
kasan_report+0x118/0x150 mm/kasan/report.c:634
debug_spin_lock_before kernel/locking/spinlock_debug.c:86 [inline]
do_raw_spin_lock+0x23d/0x290 kernel/locking/spinlock_debug.c:115
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0xb3/0xf0 kernel/locking/spinlock.c:162
__wake_up_common_lock+0x2f/0x1f0 kernel/sched/wait.c:105
__usb_hcd_giveback_urb+0x4d7/0x690 drivers/usb/core/hcd.c:1653
dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1994
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x529/0xc60 kernel/time/hrtimer.c:1825
hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
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:obj_cgroup_charge_pages+0x10a/0x1c0 mm/memcontrol.c:2700
Code: c5 9d ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 f6 44 24 41 02 0f 85 84 00 00 00 f7 44 24 18 00 02 00 00 74 01 fb 4c 89 f7 <44> 89 fe e8 5e 3d ff ff 4d 8d 7e 54 4c 89 f8 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc9000bf9f100 EFLAGS: 00000206
RAX: 8d55d1314aab6f00 RBX: 0000000000000000 RCX: 8d55d1314aab6f00
RDX: 0000000000000006 RSI: ffffffff8d74dea2 RDI: ffff888027638000
RBP: ffffc9000bf9f1d8 R08: ffffffff8f7f3377 R09: 1ffffffff1efe66e
R10: dffffc0000000000 R11: fffffbfff1efe66f R12: dffffc0000000000
R13: 1ffff920017f3e24 R14: ffff888027638000 R15: 0000000000000001
__memcg_kmem_charge_page+0xd1/0x1c0 mm/memcontrol.c:2739
__alloc_frozen_pages_noprof+0x1b5/0x370 mm/page_alloc.c:4983
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2301
alloc_frozen_pages_noprof mm/mempolicy.c:2372 [inline]
alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2392
pagetable_alloc_noprof include/linux/mm.h:3002 [inline]
__pte_alloc_one_noprof include/asm-generic/pgalloc.h:70 [inline]
pte_alloc_one+0x1e/0x160 arch/x86/mm/pgtable.c:17
__pte_alloc+0x25/0x160 mm/memory.c:430
copy_pte_range mm/memory.c:1100 [inline]
copy_pmd_range+0x6903/0x7000 mm/memory.c:1255
copy_pud_range mm/memory.c:1292 [inline]
copy_p4d_range mm/memory.c:1316 [inline]
copy_page_range+0x95c/0xd40 mm/memory.c:1410
dup_mmap kernel/fork.c:727 [inline]
dup_mm kernel/fork.c:1735 [inline]
copy_mm+0x126a/0x2160 kernel/fork.c:1787
copy_process+0x16d3/0x3b80 kernel/fork.c:2430
kernel_clone+0x21e/0x870 kernel/fork.c:2845
__do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline]
__se_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:240 [inline]
__ia32_compat_sys_ia32_clone+0x189/0x1e0 arch/x86/kernel/sys_ia32.c:240
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0xb4/0x110 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf70ae539
Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f756fcbc EFLAGS: 00000206 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000057f7f4a8
RBP: 00000000f7412ff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Allocated by task 5831:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x230/0x3d0 mm/slub.c:4358
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1039 [inline]
xpad_probe+0x41c/0x1ed0 drivers/input/joystick/xpad.c:2044
usb_probe_interface+0x644/0xbc0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26d/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
usb_probe_device+0x1c1/0x390 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x26d/0x9a0 drivers/base/dd.c:657
__driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
__device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
__device_attach+0x2b8/0x400 drivers/base/dd.c:1029
bus_probe_device+0x185/0x260 drivers/base/bus.c:537
device_add+0x7b6/0xb50 drivers/base/core.c:3692
usb_new_device+0xa39/0x16c0 drivers/usb/core/hub.c:2663
hub_port_connect drivers/usb/core/hub.c:5531 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x2941/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 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 9:
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2380 [inline]
slab_free mm/slub.c:4642 [inline]
kfree+0x193/0x440 mm/slub.c:4841
xpad_disconnect+0x350/0x480 drivers/input/joystick/xpad.c:2225
usb_unbind_interface+0x26e/0x8f0 drivers/usb/core/driver.c:458
device_remove drivers/base/dd.c:569 [inline]
__device_release_driver drivers/base/dd.c:1272 [inline]
device_release_driver_internal+0x4d6/0x7c0 drivers/base/dd.c:1295
bus_remove_device+0x34d/0x410 drivers/base/bus.c:579
device_del+0x511/0x8e0 drivers/base/core.c:3881
usb_disable_device+0x3e9/0x8a0 drivers/usb/core/message.c:1418
usb_disconnect+0x330/0x910 drivers/usb/core/hub.c:2316
hub_port_connect drivers/usb/core/hub.c:5371 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5671 [inline]
port_event drivers/usb/core/hub.c:5831 [inline]
hub_event+0x1cdb/0x4a00 drivers/usb/core/hub.c:5913
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/0x8a0 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 ffff88805bfee000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 92 bytes inside of
freed 1024-byte region [ffff88805bfee000, ffff88805bfee400)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88805bfeb000 pfn:0x5bfe8
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801a041dc0 0000000000000000 dead000000000001
raw: ffff88805bfeb000 000000008010000c 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801a041dc0 0000000000000000 dead000000000001
head: ffff88805bfeb000 000000008010000c 00000000f5000000 0000000000000000
head: 00fff00000000003 ffffea00016ffa01 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 5851, tgid 5851 (syz-executor), ts 87967844786, free_ts 29506210359
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1d8/0x230 mm/page_alloc.c:1714
prep_new_page mm/page_alloc.c:1722 [inline]
get_page_from_freelist+0x21ce/0x22b0 mm/page_alloc.c:3684
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4966
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2301
alloc_slab_page mm/slub.c:2450 [inline]
allocate_slab+0x8a/0x3b0 mm/slub.c:2618
new_slab mm/slub.c:2672 [inline]
___slab_alloc+0xbfc/0x1480 mm/slub.c:3858
__slab_alloc mm/slub.c:3948 [inline]
__slab_alloc_node mm/slub.c:4023 [inline]
slab_alloc_node mm/slub.c:4184 [inline]
__kmalloc_cache_noprof+0x296/0x3d0 mm/slub.c:4353
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1039 [inline]
afs_alloc_call+0x79/0x550 fs/afs/rxrpc.c:144
afs_charge_preallocation+0x22e/0x4f0 fs/afs/rxrpc.c:728
afs_open_socket+0x29b/0x330 fs/afs/rxrpc.c:95
afs_net_init+0x5c0/0x7c0 fs/afs/main.c:115
ops_init+0x35c/0x5c0 net/core/net_namespace.c:138
setup_net+0x238/0x830 net/core/net_namespace.c:364
copy_net_ns+0x32e/0x590 net/core/net_namespace.c:518
create_new_namespaces+0x3d3/0x700 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0x11c/0x170 kernel/nsproxy.c:228
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:1258 [inline]
__free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2721
__free_pages mm/page_alloc.c:5078 [inline]
free_contig_range+0x159/0x440 mm/page_alloc.c:6934
destroy_args+0x86/0x460 mm/debug_vm_pgtable.c:1017
debug_vm_pgtable+0x3cf/0x410 mm/debug_vm_pgtable.c:1397
do_one_initcall+0x233/0x820 init/main.c:1257
do_initcall_level+0x137/0x1f0 init/main.c:1319
do_initcalls+0x69/0xd0 init/main.c:1335
kernel_init_freeable+0x3d9/0x570 init/main.c:1567
kernel_init+0x1d/0x1d0 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:
ffff88805bfedf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88805bfedf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88805bfee000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88805bfee080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88805bfee100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 9d popf
1: ff 48 c7 decl -0x39(%rax)
4: 44 24 40 rex.R and $0x40,%al
7: 00 00 add %al,(%rax)
9: 00 00 add %al,(%rax)
b: 9c pushf
c: 8f 44 24 40 pop 0x40(%rsp)
10: f6 44 24 41 02 testb $0x2,0x41(%rsp)
15: 0f 85 84 00 00 00 jne 0x9f
1b: f7 44 24 18 00 02 00 testl $0x200,0x18(%rsp)
22: 00
23: 74 01 je 0x26
25: fb sti
26: 4c 89 f7 mov %r14,%rdi
* 29: 44 89 fe mov %r15d,%esi <-- trapping instruction
2c: e8 5e 3d ff ff call 0xffff3d8f
31: 4d 8d 7e 54 lea 0x54(%r14),%r15
35: 4c 89 f8 mov %r15,%rax
38: 48 c1 e8 03 shr $0x3,%rax
3c: 42 rex.X
3d: 0f .byte 0xf
3e: b6 .byte 0xb6