==================================================================
BUG: KASAN: slab-out-of-bounds in __extract drivers/hid/hid-core.c:1345 [inline]
BUG: KASAN: slab-out-of-bounds in hid_field_extract+0x150/0x170 drivers/hid/hid-core.c:1365
Read of size 1 at addr ffff8881d3425000 by task ps/6375
CPU: 0 PID: 6375 Comm: ps Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xef/0x16e lib/dump_stack.c:118
print_address_description.constprop.0+0x16/0x200 mm/kasan/report.c:374
__kasan_report.cold+0x37/0x7f mm/kasan/report.c:506
kasan_report+0xe/0x20 mm/kasan/common.c:639
__extract drivers/hid/hid-core.c:1345 [inline]
hid_field_extract+0x150/0x170 drivers/hid/hid-core.c:1365
hid_input_field drivers/hid/hid-core.c:1535 [inline]
hid_report_raw_event+0x5de/0xed0 drivers/hid/hid-core.c:1757
hid_input_report+0x315/0x3f0 drivers/hid/hid-core.c:1824
hid_irq_in+0x5cb/0x770 drivers/hid/usbhid/hid-core.c:286
__usb_hcd_giveback_urb+0x1f2/0x470 drivers/usb/core/hcd.c:1648
usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1713
dummy_timer+0x123d/0x2fdb drivers/usb/gadget/udc/dummy_hcd.c:1967
call_timer_fn+0x179/0x650 kernel/time/timer.c:1404
expire_timers kernel/time/timer.c:1449 [inline]
__run_timers kernel/time/timer.c:1773 [inline]
__run_timers kernel/time/timer.c:1740 [inline]
run_timer_softirq+0x5e3/0x1490 kernel/time/timer.c:1786
__do_softirq+0x221/0x912 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x178/0x1a0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x12f/0x500 arch/x86/kernel/apic/apic.c:1137
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3b/0x40 kernel/locking/spinlock.c:191
Code: e8 aa e0 aa fb 48 89 ef e8 d2 c1 ab fb f6 c7 02 75 11 53 9d e8 96 f4 c8 fb 65 ff 0d 47 c4 86 7a 5b 5d c3 e8 37 f8 c8 fb 53 9d ed 0f 1f 00 55 48 89 fd 65 ff 05 2d c4 86 7a 45 31 c9 41 b8 01
RSP: 0018:ffff8881d3577b48 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000293 RCX: 0000000000000006
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881d57f084c
RBP: ffff8881da1a5340 R08: ffff8881d57f0000 R09: fffffbfff11f1eb1
R10: fffffbfff11f1eb0 R11: ffffffff88f8f587 R12: ffff8881c6a0b360
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881da1e6200
spin_unlock_irqrestore include/linux/spinlock.h:393 [inline]
unlock_task_sighand include/linux/sched/signal.h:681 [inline]
do_task_stat+0x8a1/0x1c90 fs/proc/array.c:518
proc_single_show+0xf7/0x1c0 fs/proc/base.c:756
seq_read+0x4b9/0x1160 fs/seq_file.c:229
__vfs_read+0x76/0x100 fs/read_write.c:425
vfs_read+0x1ea/0x430 fs/read_write.c:461
ksys_read+0x127/0x250 fs/read_write.c:587
do_syscall_64+0xb6/0x5c0 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f0b139ee310
Code: 73 01 c3 48 8b 0d 28 4b 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d e5 a2 2b 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 6e 8a 01 00 48 89 04 24
RSP: 002b:00007ffd91fd37b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0b139ee310
RDX: 0000000000000fff RSI: 00007f0b13ebbd00 RDI: 0000000000000006
RBP: 0000000000000fff R08: 0000000000000000 R09: 00007f0b13cb6a10
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0b13ebbd00
R13: 0000000000def1c0 R14: 0000000000000005 R15: 0000000000000000
Allocated by task 3271:
save_stack+0x1b/0x80 mm/kasan/common.c:72
set_track mm/kasan/common.c:80 [inline]
__kasan_kmalloc mm/kasan/common.c:513 [inline]
__kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:486
kmalloc include/linux/slab.h:561 [inline]
hcd_buffer_alloc+0x1ed/0x290 drivers/usb/core/buffer.c:132
usb_alloc_coherent+0x5d/0x80 drivers/usb/core/usb.c:910
hid_alloc_buffers drivers/hid/usbhid/hid-core.c:861 [inline]
usbhid_start+0x60b/0x22f0 drivers/hid/usbhid/hid-core.c:1090
hid_hw_start+0x5d/0x130 drivers/hid/hid-core.c:2022
ms_probe+0x159/0x4d0 drivers/hid/hid-microsoft.c:394
hid_device_probe+0x2be/0x3f0 drivers/hid/hid-core.c:2255
really_probe+0x281/0x6d0 drivers/base/dd.c:548
driver_probe_device+0x104/0x210 drivers/base/dd.c:721
__device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430
__device_attach+0x217/0x360 drivers/base/dd.c:894
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490
device_add+0x1480/0x1c20 drivers/base/core.c:2487
hid_add_device drivers/hid/hid-core.c:2411 [inline]
hid_add_device+0x33c/0x9a0 drivers/hid/hid-core.c:2360
usbhid_probe+0xa81/0xfa0 drivers/hid/usbhid/hid-core.c:1401
usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
really_probe+0x281/0x6d0 drivers/base/dd.c:548
driver_probe_device+0x104/0x210 drivers/base/dd.c:721
__device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430
__device_attach+0x217/0x360 drivers/base/dd.c:894
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490
device_add+0x1480/0x1c20 drivers/base/core.c:2487
usb_set_configuration+0xe67/0x1740 drivers/usb/core/message.c:2023
generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210
usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266
really_probe+0x281/0x6d0 drivers/base/dd.c:548
driver_probe_device+0x104/0x210 drivers/base/dd.c:721
__device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828
bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430
__device_attach+0x217/0x360 drivers/base/dd.c:894
bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490
device_add+0x1480/0x1c20 drivers/base/core.c:2487
usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2537
hub_port_connect drivers/usb/core/hub.c:5184 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5324 [inline]
port_event drivers/usb/core/hub.c:5470 [inline]
hub_event+0x1e59/0x3860 drivers/usb/core/hub.c:5552
process_one_work+0x92b/0x1530 kernel/workqueue.c:2264
process_scheduled_works kernel/workqueue.c:2326 [inline]
worker_thread+0x7ab/0xe20 kernel/workqueue.c:2412
kthread+0x318/0x420 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Freed by task 5923:
save_stack+0x1b/0x80 mm/kasan/common.c:72
set_track mm/kasan/common.c:80 [inline]
kasan_set_free_info mm/kasan/common.c:335 [inline]
__kasan_slab_free+0x129/0x170 mm/kasan/common.c:474
slab_free_hook mm/slub.c:1425 [inline]
slab_free_freelist_hook mm/slub.c:1458 [inline]
slab_free mm/slub.c:3005 [inline]
kfree+0xda/0x310 mm/slub.c:3957
kvfree+0x6a/0xd0 mm/util.c:603
seq_release fs/seq_file.c:360 [inline]
single_release+0x75/0xb0 fs/seq_file.c:608
__fput+0x2d7/0x840 fs/file_table.c:280
task_work_run+0x13f/0x1c0 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_usermode_loop+0x1d2/0x200 arch/x86/entry/common.c:164
prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
do_syscall_64+0x4e0/0x5c0 arch/x86/entry/common.c:304
entry_SYSCALL_64_after_hwframe+0x49/0xbe
The buggy address belongs to the object at ffff8881d3424000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 0 bytes to the right of
4096-byte region [ffff8881d3424000, ffff8881d3425000)
The buggy address belongs to the page:
page:ffffea00074d0800 refcount:1 mapcount:0 mapping:ffff8881da00c280 index:0x0 compound_mapcount: 0
raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c280
raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8881d3424f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8881d3424f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8881d3425000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff8881d3425080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8881d3425100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================