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 ffff888018884058 by task syz-executor.0/7669
CPU: 1 PID: 7669 Comm: syz-executor.0 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:stack_trace_consume_entry+0xd3/0x160 kernel/stacktrace.c:93
Code: 02 00 0f 85 92 00 00 00 8d 45 01 89 43 10 48 8b 03 48 8d 2c e8 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 5c 48 89 75 00 8b 43 08 39 43 10 0f 92 c0 48 83 c4 08 5b 5d c3
RSP: 0018:ffffc90010d777a8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90010d77880 RCX: 0000000000000000
RDX: 1ffff920021aef1f RSI: ffffffff81be3680 RDI: ffffc90010d7788c
RBP: ffffc90010d778f8 R08: ffffffff8e181cc6 R09: 0000000000000001
R10: fffff520021aef04 R11: 000000000008808a R12: ffffc90010d77880
R13: 0000000000000000 R14: ffff88801d1d5700 R15: 0000000000000cc0
arch_stack_walk+0x6d/0xe0 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
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_slab_alloc+0x90/0xc0 mm/kasan/common.c:467
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]
kmem_cache_alloc+0x142/0x3a0 mm/slub.c:3247
alloc_inode+0x161/0x230 fs/inode.c:237
new_inode_pseudo fs/inode.c:944 [inline]
new_inode+0x27/0x2f0 fs/inode.c:973
debugfs_get_inode+0x1a/0x130 fs/debugfs/inode.c:72
debugfs_create_dir+0xdc/0x4d0 fs/debugfs/inode.c:568
bdi_debug_register mm/backing-dev.c:111 [inline]
bdi_register_va.part.0+0x22d/0x800 mm/backing-dev.c:888
bdi_register_va mm/backing-dev.c:916 [inline]
bdi_register+0x12a/0x140 mm/backing-dev.c:913
device_add_disk+0x87f/0xef0 block/genhd.c:501
add_disk include/linux/genhd.h:212 [inline]
loop_add+0x762/0x9b0 drivers/block/loop.c:2052
loop_control_ioctl+0x130/0x4d0 drivers/block/loop.c:2173
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
RIP: 0033:0x7f277b5d5e99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2779f4b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f277b6e8f60 RCX: 00007f277b5d5e99
RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000004
RBP: 00007f277b62fff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f277bc1cb1f R14: 00007f2779f4b300 R15: 0000000000022000
Allocated by task 3657:
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 7688:
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
__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]
fixup_permanent_addr net/ipv6/addrconf.c:3454 [inline]
addrconf_permanent_addr net/ipv6/addrconf.c:3482 [inline]
addrconf_notify+0x1672/0x1bb0 net/ipv6/addrconf.c:3550
notifier_call_chain+0xb5/0x200 kernel/notifier.c:83
call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002
call_netdevice_notifiers_extack net/core/dev.c:2014 [inline]
call_netdevice_notifiers net/core/dev.c:2028 [inline]
__dev_notify_flags+0x110/0x2b0 net/core/dev.c:8834
dev_change_flags+0x112/0x170 net/core/dev.c:8872
do_setlink+0x96d/0x3970 net/core/rtnetlink.c:2719
__rtnl_newlink+0xde6/0x1750 net/core/rtnetlink.c:3391
rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3506
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 ffff888018884000
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 88 bytes inside of
256-byte region [ffff888018884000, ffff888018884100)
The buggy address belongs to the page:
page:ffffea0000622100 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888018885e00 pfn:0x18884
head:ffffea0000622100 order:1 compound_mapcount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea0001e3d788 ffffea0001dfc888 ffff888010c41b40
raw: ffff888018885e00 000000000010000e 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 3630, ts 60822322581, free_ts 60810208106
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
inet6_addr_add+0x410/0xae0 net/ipv6/addrconf.c:2954
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
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]
kmem_cache_alloc_node+0x255/0x3f0 mm/slub.c:3270
__alloc_skb+0x215/0x340 net/core/skbuff.c:414
alloc_skb include/linux/skbuff.h:1127 [inline]
alloc_skb_with_frags+0x93/0x620 net/core/skbuff.c:6078
sock_alloc_send_pskb+0x783/0x910 net/core/sock.c:2575
unix_dgram_sendmsg+0x3ec/0x1950 net/unix/af_unix.c:1811
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
Memory state around the buggy address:
ffff888018883f00: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
ffff888018883f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888018884000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888018884080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888018884100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
----------------
Code disassembly (best guess):
0: 02 00 add (%rax),%al
2: 0f 85 92 00 00 00 jne 0x9a
8: 8d 45 01 lea 0x1(%rbp),%eax
b: 89 43 10 mov %eax,0x10(%rbx)
e: 48 8b 03 mov (%rbx),%rax
11: 48 8d 2c e8 lea (%rax,%rbp,8),%rbp
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 89 ea mov %rbp,%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
* 2a: 75 5c jne 0x88 <-- trapping instruction
2c: 48 89 75 00 mov %rsi,0x0(%rbp)
30: 8b 43 08 mov 0x8(%rbx),%eax
33: 39 43 10 cmp %eax,0x10(%rbx)
36: 0f 92 c0 setb %al
39: 48 83 c4 08 add $0x8,%rsp
3d: 5b pop %rbx
3e: 5d pop %rbp
3f: c3 retq