powermate: config urb returned -108
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x3c2f/0x5470 kernel/locking/lockdep.c:4897
Read of size 8 at addr ffff88807943dc58 by task syz-executor.5/2026
CPU: 0 PID: 2026 Comm: syz-executor.5 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
print_address_description.constprop.0.cold+0x8d/0x320 mm/kasan/report.c:247
__kasan_report mm/kasan/report.c:433 [inline]
kasan_report.cold+0x83/0xdf mm/kasan/report.c:450
__lock_acquire+0x3c2f/0x5470 kernel/locking/lockdep.c:4897
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
powermate_config_complete+0x79/0xb0 drivers/input/misc/powermate.c:202
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_task_switch.isra.0+0x323/0xb80 kernel/sched/core.c:4852
Code: a3 6a f3 07 85 c0 75 02 0f 0b 48 85 db 0f 85 25 01 00 00 4c 89 f7 e8 fc f7 ff ff e8 87 3c 2d 00 fb 65 48 8b 1c 25 40 70 02 00 <48> 8d bb 80 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc900058bfae8 EFLAGS: 00000206
RAX: 0000000000001b2d RBX: ffff8880462e0000 RCX: 1ffffffff1b225b1
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900058bfb30 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817dd258 R11: 0000000000000001 R12: ffff8880b9c3a7d8
R13: ffff88807dae5700 R14: ffff8880b9c39a80 R15: ffff8880b9c3a4b8
context_switch kernel/sched/core.c:4975 [inline]
__schedule+0xaa2/0x4900 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x24e/0x690 kernel/time/hrtimer.c:2044
hrtimer_nanosleep+0x1f9/0x4a0 kernel/time/hrtimer.c:2097
common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227
__do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline]
__se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline]
__x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2f40359bc1
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f
RSP: 002b:00007f2f4097bb30 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007f2f40447f60 RCX: 00007f2f40359bc1
RDX: 00007f2f4097bb70 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f2f40449960 R08: 0000000000000000 R09: 00007fff615bf080
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000003520f6
R13: 00007f2f4097bc80 R14: 00007f2f4097bca0 R15: 0000000000000032
Allocated by task 3662:
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
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 mm/kasan/common.c:472 [inline]
__kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:522
kmalloc include/linux/slab.h:590 [inline]
kzalloc include/linux/slab.h:724 [inline]
powermate_probe+0x24a/0x12a0 drivers/input/misc/powermate.c:323
usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
usb_set_configuration+0x101e/0x1900 drivers/usb/core/message.c:2170
usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238
usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:517 [inline]
really_probe+0x245/0xcc0 drivers/base/dd.c:596
__driver_probe_device+0x338/0x4d0 drivers/base/dd.c:751
driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:781
__device_attach_driver+0x20b/0x2f0 drivers/base/dd.c:898
bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427
__device_attach+0x228/0x4a0 drivers/base/dd.c:969
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487
device_add+0xc17/0x1ee0 drivers/base/core.c:3394
usb_new_device.cold+0x63f/0x108e drivers/usb/core/hub.c:2563
hub_port_connect drivers/usb/core/hub.c:5353 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
port_event drivers/usb/core/hub.c:5643 [inline]
hub_event+0x23e5/0x4460 drivers/usb/core/hub.c:5725
process_one_work+0x9b2/0x1660 kernel/workqueue.c:2298
worker_thread+0x65d/0x1130 kernel/workqueue.c:2445
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Freed by task 2363:
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:46
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:366 [inline]
____kasan_slab_free mm/kasan/common.c:328 [inline]
__kasan_slab_free+0xff/0x130 mm/kasan/common.c:374
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:1723 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1749
slab_free mm/slub.c:3513 [inline]
kfree+0xf6/0x560 mm/slub.c:4561
powermate_disconnect+0x1ce/0x250 drivers/input/misc/powermate.c:432
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x5d7/0x700 drivers/base/dd.c:1205
device_release_driver_internal drivers/base/dd.c:1236 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1259
bus_remove_device+0x2eb/0x5a0 drivers/base/bus.c:529
device_del+0x502/0xd60 drivers/base/core.c:3581
usb_disable_device+0x35b/0x7b0 drivers/usb/core/message.c:1419
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2225
hub_quiesce+0x170/0x310 drivers/usb/core/hub.c:1327
hub_disconnect+0xcb/0x510 drivers/usb/core/hub.c:1722
usb_unbind_interface+0x1d8/0x8e0 drivers/usb/core/driver.c:458
__device_release_driver+0x5d7/0x700 drivers/base/dd.c:1205
device_release_driver_internal drivers/base/dd.c:1236 [inline]
device_release_driver+0x26/0x40 drivers/base/dd.c:1259
usb_driver_release_interface+0x102/0x180 drivers/usb/core/driver.c:627
proc_ioctl.part.0+0x4d6/0x560 drivers/usb/core/devio.c:2332
proc_ioctl drivers/usb/core/devio.c:170 [inline]
proc_ioctl_default drivers/usb/core/devio.c:2375 [inline]
usbdev_do_ioctl drivers/usb/core/devio.c:2731 [inline]
usbdev_ioctl+0x2b29/0x36c0 drivers/usb/core/devio.c:2791
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Last potentially related work creation:
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
__kasan_record_aux_stack+0xf5/0x120 mm/kasan/generic.c:348
kvfree_call_rcu+0x74/0x990 kernel/rcu/tree.c:3550
drop_sysctl_table+0x3c0/0x4e0 fs/proc/proc_sysctl.c:1647
unregister_sysctl_table fs/proc/proc_sysctl.c:1685 [inline]
unregister_sysctl_table+0xc0/0x190 fs/proc/proc_sysctl.c:1660
sysctl_route_net_exit+0x58/0x90 net/ipv4/route.c:3608
ops_exit_list+0xb0/0x160 net/core/net_namespace.c:168
setup_net+0x639/0xa30 net/core/net_namespace.c:349
copy_net_ns+0x318/0x760 net/core/net_namespace.c:470
create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:226
ksys_unshare+0x445/0x920 kernel/fork.c:3075
__do_sys_unshare kernel/fork.c:3146 [inline]
__se_sys_unshare kernel/fork.c:3144 [inline]
__x64_sys_unshare+0x2d/0x40 kernel/fork.c:3144
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Second to last potentially related work creation:
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
__kasan_record_aux_stack+0xf5/0x120 mm/kasan/generic.c:348
__call_rcu kernel/rcu/tree.c:2985 [inline]
call_rcu+0xb1/0x740 kernel/rcu/tree.c:3065
fib6_info_release include/net/ip6_fib.h:337 [inline]
fib6_info_release include/net/ip6_fib.h:334 [inline]
ip6_route_info_create+0x16bb/0x1aa0 net/ipv6/route.c:3853
ip6_route_add+0x24/0x150 net/ipv6/route.c:3867
addrconf_add_mroute+0x1e1/0x310 net/ipv6/addrconf.c:2488
addrconf_add_dev+0x162/0x1d0 net/ipv6/addrconf.c:2506
inet6_addr_add+0x1a4/0xae0 net/ipv6/addrconf.c:2922
inet6_rtm_newaddr+0xf00/0x1970 net/ipv6/addrconf.c:4892
rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5571
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
__sys_sendto+0x21c/0x320 net/socket.c:2036
__do_sys_sendto net/socket.c:2048 [inline]
__se_sys_sendto net/socket.c:2044 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2044
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
The buggy address belongs to the object at ffff88807943dc00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 88 bytes inside of
256-byte region [ffff88807943dc00, ffff88807943dd00)
The buggy address belongs to the page:
page:ffffea0001e50f00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88807943d800 pfn:0x7943c
head:ffffea0001e50f00 order:1 compound_mapcount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0001273288 ffffea0001276408 ffff888010c41b40
raw: ffff88807943d800 0000000000100004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5, ts 166971066211, free_ts 165607327604
prep_new_page mm/page_alloc.c:2418 [inline]
get_page_from_freelist+0xa72/0x2f50 mm/page_alloc.c:4149
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5369
alloc_pages+0x1a7/0x300 mm/mempolicy.c:2190
alloc_slab_page mm/slub.c:1793 [inline]
allocate_slab mm/slub.c:1930 [inline]
new_slab+0x32d/0x4a0 mm/slub.c:1993
___slab_alloc+0x918/0xfe0 mm/slub.c:3022
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3109
slab_alloc_node mm/slub.c:3200 [inline]
slab_alloc mm/slub.c:3242 [inline]
kmem_cache_alloc_trace+0x289/0x2c0 mm/slub.c:3259
kmalloc include/linux/slab.h:590 [inline]
kzalloc include/linux/slab.h:724 [inline]
fib6_info_alloc+0xc1/0x210 net/ipv6/ip6_fib.c:155
ip6_route_info_create+0x33e/0x1aa0 net/ipv6/route.c:3773
addrconf_f6i_alloc+0x2b5/0x4c0 net/ipv6/route.c:4591
ipv6_add_addr+0x3a6/0x1f40 net/ipv6/addrconf.c:1098
addrconf_add_linklocal+0x1ca/0x590 net/ipv6/addrconf.c:3197
addrconf_addr_gen+0x3a4/0x3e0 net/ipv6/addrconf.c:3328
addrconf_dev_config+0x255/0x420 net/ipv6/addrconf.c:3373
addrconf_notify+0xdc2/0x1bb0 net/ipv6/addrconf.c:3613
notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
page last free stack trace:
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1338 [inline]
free_pcp_prepare+0x374/0x870 mm/page_alloc.c:1389
free_unref_page_prepare mm/page_alloc.c:3309 [inline]
free_unref_page+0x19/0x690 mm/page_alloc.c:3388
__unfreeze_partials+0x343/0x360 mm/slub.c:2527
qlink_free mm/kasan/quarantine.c:146 [inline]
qlist_free_all+0x5a/0xc0 mm/kasan/quarantine.c:165
kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:272
__kasan_slab_alloc+0xa2/0xc0 mm/kasan/common.c:444
kasan_slab_alloc include/linux/kasan.h:259 [inline]
slab_post_alloc_hook mm/slab.h:519 [inline]
slab_alloc_node mm/slub.c:3234 [inline]
slab_alloc mm/slub.c:3242 [inline]
__kmalloc_track_caller+0x1e9/0x320 mm/slub.c:4925
kvasprintf+0xb5/0x150 lib/kasprintf.c:25
kvasprintf_const+0x60/0x190 lib/kasprintf.c:49
kobject_set_name_vargs+0x56/0x150 lib/kobject.c:289
kobject_add_varg lib/kobject.c:384 [inline]
kobject_init_and_add+0xc9/0x160 lib/kobject.c:473
netdev_queue_add_kobject net/core/net-sysfs.c:1665 [inline]
netdev_queue_update_kobjects+0x1a2/0x460 net/core/net-sysfs.c:1710
register_queue_kobjects net/core/net-sysfs.c:1771 [inline]
netdev_register_kobject+0x35a/0x430 net/core/net-sysfs.c:2014
register_netdevice+0xd31/0x1500 net/core/dev.c:10336
veth_newlink+0x593/0xb00 drivers/net/veth.c:1730
__rtnl_newlink+0x106d/0x1750 net/core/rtnetlink.c:3458
Memory state around the buggy address:
ffff88807943db00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88807943db80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88807943dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88807943dc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88807943dd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: a3 6a f3 07 85 c0 75 movabs %eax,0xf0275c08507f36a
7: 02 0f
9: 0b 48 85 or -0x7b(%rax),%ecx
c: db 0f fisttpl (%rdi)
e: 85 25 01 00 00 4c test %esp,0x4c000001(%rip) # 0x4c000015
14: 89 f7 mov %esi,%edi
16: e8 fc f7 ff ff callq 0xfffff817
1b: e8 87 3c 2d 00 callq 0x2d3ca7
20: fb sti
21: 65 48 8b 1c 25 40 70 mov %gs:0x27040,%rbx
28: 02 00
* 2a: 48 8d bb 80 15 00 00 lea 0x1580(%rbx),%rdi <-- trapping instruction
31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
38: fc ff df
3b: 48 89 fa mov %rdi,%rdx
3e: 48 rex.W
3f: c1 .byte 0xc1