[Android 5.15] KASAN: use-after-free Read in bcmp
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syzbot
Oct 16, 2026, 12:26:25 AMOct 16
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: ff23d765b06f Merge 2a5f794b8be1 ("drm/bridge: cdns-mhdp854..
git tree: android13-5.15-lts
console+strace: https://syzkaller.appspot.com/x/log.txt?x=10e11bd1580000
kernel config: https://syzkaller.appspot.com/x/.config?x=184409440853adcf
dashboard link: https://syzkaller.appspot.com/bug?extid=35a852d7e9ab307da8f5
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11eb160d580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e1f701580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/224b82aaf7c7/disk-ff23d765.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/a6b304175c20/vmlinux-ff23d765.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d4263bafa2ce/bzImage-ff23d765.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+35a852...@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: use-after-free in memcmp lib/string.c:970 [inline]
BUG: KASAN: use-after-free in bcmp+0x210/0x230 lib/string.c:991
Read of size 1 at addr ffff88811f8f717a by task kworker/0:1/20
CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
__dump_stack+0x21/0x30 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:427 [inline]
kasan_report+0x10f/0x150 mm/kasan/report.c:444
__asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
memcmp lib/string.c:970 [inline]
bcmp+0x210/0x230 lib/string.c:991
sony_check_add_dev_list drivers/hid/hid-sony.c:2542 [inline]
sony_check_add drivers/hid/hid-sony.c:2673 [inline]
sony_input_configured+0x6a0/0x3900 drivers/hid/hid-sony.c:2752
hidinput_connect+0x1f4f/0x2cc0 drivers/hid/hid-input.c:2047
hid_connect+0x479/0xe30 drivers/hid/hid-core.c:2021
hid_hw_start+0xaa/0x130 drivers/hid/hid-core.c:2128
sony_probe+0x23c/0xcf0 drivers/hid/hid-sony.c:3024
hid_device_probe+0x28d/0x390 drivers/hid/hid-core.c:2363
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2513
usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1442
usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_new_device+0xa1f/0x1720 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5560 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5700 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x291b/0x43f0 drivers/usb/core/hub.c:5948
process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
kthread+0x3f5/0x4f0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Allocated by task 39:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:433 [inline]
____kasan_kmalloc mm/kasan/common.c:512 [inline]
__kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
kasan_kmalloc include/linux/kasan.h:227 [inline]
__kmalloc_track_caller+0x13c/0x2c0 mm/slub.c:4959
alloc_dr drivers/base/devres.c:116 [inline]
devm_kmalloc+0x50/0x150 drivers/base/devres.c:831
devm_kzalloc include/linux/device.h:210 [inline]
sony_probe+0xfb/0xcf0 drivers/hid/hid-sony.c:2992
hid_device_probe+0x28d/0x390 drivers/hid/hid-core.c:2363
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2513
usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1442
usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_new_device+0xa1f/0x1720 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5560 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5700 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x291b/0x43f0 drivers/usb/core/hub.c:5948
process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
kthread+0x3f5/0x4f0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Freed by task 39:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1728 [inline]
slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
slab_free mm/slub.c:3526 [inline]
kfree+0xc4/0x270 mm/slub.c:4588
release_nodes+0xe8/0x220 drivers/base/devres.c:501
devres_release_all+0x148/0x1b0 drivers/base/devres.c:530
really_probe+0x346/0x970 drivers/base/dd.c:667
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2513
usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1442
usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_new_device+0xa1f/0x1720 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5560 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5700 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x291b/0x43f0 drivers/usb/core/hub.c:5948
process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
kthread+0x3f5/0x4f0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
The buggy address belongs to the object at ffff88811f8f7000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 378 bytes inside of
1024-byte region [ffff88811f8f7000, ffff88811f8f7400)
The buggy address belongs to the page:
page:ffffea00047e3c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f8f0
head:ffffea00047e3c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080
raw: 0000000000000000 0000000000100010 00000001ffffffff 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 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 0, ts 24417278835, free_ts 24216880938
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
__alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
alloc_slab_page mm/slub.c:-1 [inline]
allocate_slab mm/slub.c:1937 [inline]
new_slab+0xa0/0x4d0 mm/slub.c:2000
___slab_alloc+0x3ac/0x840 mm/slub.c:3033
__slab_alloc+0x49/0x90 mm/slub.c:3120
slab_alloc_node mm/slub.c:3211 [inline]
slab_alloc mm/slub.c:3255 [inline]
__kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
kmalloc_reserve net/core/skbuff.c:357 [inline]
__alloc_skb+0x210/0x730 net/core/skbuff.c:428
__napi_alloc_skb+0x162/0x2e0 net/core/skbuff.c:569
napi_alloc_skb include/linux/skbuff.h:3102 [inline]
page_to_skb+0x274/0xb60 drivers/net/virtio_net.c:474
receive_mergeable drivers/net/virtio_net.c:1102 [inline]
receive_buf+0xcd3/0x4c20 drivers/net/virtio_net.c:1212
virtnet_receive drivers/net/virtio_net.c:1504 [inline]
virtnet_poll+0x5cd/0xfb0 drivers/net/virtio_net.c:1620
__napi_poll+0xbb/0x580 net/core/dev.c:7109
napi_poll net/core/dev.c:7176 [inline]
net_rx_action+0x37f/0x910 net/core/dev.c:7266
handle_softirqs+0x250/0x560 kernel/softirq.c:583
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1474 [inline]
free_pcp_prepare mm/page_alloc.c:1546 [inline]
free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
free_unref_page+0xae/0x540 mm/page_alloc.c:3618
free_the_page mm/page_alloc.c:805 [inline]
free_compound_page+0x78/0xa0 mm/page_alloc.c:828
destroy_compound_page include/linux/mm.h:1000 [inline]
__put_compound_page+0x77/0xb0 mm/swap.c:111
__put_page+0xbc/0xe0 mm/swap.c:127
put_page include/linux/mm.h:1306 [inline]
page_to_skb+0x755/0xb60 drivers/net/virtio_net.c:529
receive_mergeable drivers/net/virtio_net.c:1102 [inline]
receive_buf+0xcd3/0x4c20 drivers/net/virtio_net.c:1212
virtnet_receive drivers/net/virtio_net.c:1504 [inline]
virtnet_poll+0x5cd/0xfb0 drivers/net/virtio_net.c:1620
__napi_poll+0xbb/0x580 net/core/dev.c:7109
napi_poll net/core/dev.c:7176 [inline]
net_rx_action+0x37f/0x910 net/core/dev.c:7266
handle_softirqs+0x250/0x560 kernel/softirq.c:583
__do_softirq kernel/softirq.c:621 [inline]
invoke_softirq kernel/softirq.c:443 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:670
irq_exit_rcu+0x9/0x10 kernel/softirq.c:682
common_interrupt+0xbe/0xe0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:667
Memory state around the buggy address:
ffff88811f8f7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811f8f7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88811f8f7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88811f8f7180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811f8f7200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
sony 0003:054C:042F.0002: can't set operational mode: step 3, ignoring
sony 0003:054C:042F.0002: No inputs registered, leaving
sony 0003:054C:042F.0002: hidraw0: USB HID v0.00 Joystick [HID 054c:042f] on usb-dummy_hcd.0-1/input0
sony 0003:054C:042F.0002: failed to claim input
usb 1-1: USB disconnect, device number 6
usb 1-1: new high-speed USB device number 7 using dummy_hcd
usb 1-1: config 0 interface 0 altsetting 12 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 1-1: config 0 interface 0 altsetting 12 endpoint 0x81 has invalid wMaxPacketSize 0
usb 1-1: config 0 interface 0 altsetting 12 has 1 endpoint descriptor, different from the interface descriptor's value: 2
usb 1-1: config 0 interface 0 has no altsetting 0
usb 1-1: New USB device found, idVendor=054c, idProduct=042f, bcdDevice= 0.00
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
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If the report is already addressed, let syzbot know by replying with:
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If you want syzbot to run the reproducer, reply with:
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syzbot found the following issue on:
HEAD commit: ff23d765b06f Merge 2a5f794b8be1 ("drm/bridge: cdns-mhdp854..
git tree: android13-5.15-lts
console+strace: https://syzkaller.appspot.com/x/log.txt?x=10e11bd1580000
kernel config: https://syzkaller.appspot.com/x/.config?x=184409440853adcf
dashboard link: https://syzkaller.appspot.com/bug?extid=35a852d7e9ab307da8f5
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11eb160d580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e1f701580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/224b82aaf7c7/disk-ff23d765.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/a6b304175c20/vmlinux-ff23d765.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d4263bafa2ce/bzImage-ff23d765.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+35a852...@syzkaller.appspotmail.com
==================================================================
BUG: KASAN: use-after-free in memcmp lib/string.c:970 [inline]
BUG: KASAN: use-after-free in bcmp+0x210/0x230 lib/string.c:991
Read of size 1 at addr ffff88811f8f717a by task kworker/0:1/20
CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
<TASK>
__dump_stack+0x21/0x30 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:427 [inline]
kasan_report+0x10f/0x150 mm/kasan/report.c:444
__asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
memcmp lib/string.c:970 [inline]
bcmp+0x210/0x230 lib/string.c:991
sony_check_add_dev_list drivers/hid/hid-sony.c:2542 [inline]
sony_check_add drivers/hid/hid-sony.c:2673 [inline]
sony_input_configured+0x6a0/0x3900 drivers/hid/hid-sony.c:2752
hidinput_connect+0x1f4f/0x2cc0 drivers/hid/hid-input.c:2047
hid_connect+0x479/0xe30 drivers/hid/hid-core.c:2021
hid_hw_start+0xaa/0x130 drivers/hid/hid-core.c:2128
sony_probe+0x23c/0xcf0 drivers/hid/hid-sony.c:3024
hid_device_probe+0x28d/0x390 drivers/hid/hid-core.c:2363
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2513
usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1442
usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_new_device+0xa1f/0x1720 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5560 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5700 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x291b/0x43f0 drivers/usb/core/hub.c:5948
process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
kthread+0x3f5/0x4f0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
Allocated by task 39:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:433 [inline]
____kasan_kmalloc mm/kasan/common.c:512 [inline]
__kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
kasan_kmalloc include/linux/kasan.h:227 [inline]
__kmalloc_track_caller+0x13c/0x2c0 mm/slub.c:4959
alloc_dr drivers/base/devres.c:116 [inline]
devm_kmalloc+0x50/0x150 drivers/base/devres.c:831
devm_kzalloc include/linux/device.h:210 [inline]
sony_probe+0xfb/0xcf0 drivers/hid/hid-sony.c:2992
hid_device_probe+0x28d/0x390 drivers/hid/hid-core.c:2363
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2513
usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1442
usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_new_device+0xa1f/0x1720 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5560 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5700 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x291b/0x43f0 drivers/usb/core/hub.c:5948
process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
kthread+0x3f5/0x4f0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
Freed by task 39:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1728 [inline]
slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
slab_free mm/slub.c:3526 [inline]
kfree+0xc4/0x270 mm/slub.c:4588
release_nodes+0xe8/0x220 drivers/base/devres.c:501
devres_release_all+0x148/0x1b0 drivers/base/devres.c:530
really_probe+0x346/0x970 drivers/base/dd.c:667
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2513
usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1442
usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223
usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:293
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x27d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x193/0x270 drivers/base/dd.c:755
driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
__device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
__device_attach+0x2b0/0x420 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:489
device_add+0xaef/0xe90 drivers/base/core.c:3422
usb_new_device+0xa1f/0x1720 drivers/usb/core/hub.c:2643
hub_port_connect drivers/usb/core/hub.c:5560 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5700 [inline]
port_event drivers/usb/core/hub.c:5866 [inline]
hub_event+0x291b/0x43f0 drivers/usb/core/hub.c:5948
process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
kthread+0x3f5/0x4f0 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
The buggy address belongs to the object at ffff88811f8f7000
which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 378 bytes inside of
1024-byte region [ffff88811f8f7000, ffff88811f8f7400)
The buggy address belongs to the page:
page:ffffea00047e3c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f8f0
head:ffffea00047e3c00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043080
raw: 0000000000000000 0000000000100010 00000001ffffffff 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 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 0, ts 24417278835, free_ts 24216880938
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
__alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
alloc_slab_page mm/slub.c:-1 [inline]
allocate_slab mm/slub.c:1937 [inline]
new_slab+0xa0/0x4d0 mm/slub.c:2000
___slab_alloc+0x3ac/0x840 mm/slub.c:3033
__slab_alloc+0x49/0x90 mm/slub.c:3120
slab_alloc_node mm/slub.c:3211 [inline]
slab_alloc mm/slub.c:3255 [inline]
__kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
kmalloc_reserve net/core/skbuff.c:357 [inline]
__alloc_skb+0x210/0x730 net/core/skbuff.c:428
__napi_alloc_skb+0x162/0x2e0 net/core/skbuff.c:569
napi_alloc_skb include/linux/skbuff.h:3102 [inline]
page_to_skb+0x274/0xb60 drivers/net/virtio_net.c:474
receive_mergeable drivers/net/virtio_net.c:1102 [inline]
receive_buf+0xcd3/0x4c20 drivers/net/virtio_net.c:1212
virtnet_receive drivers/net/virtio_net.c:1504 [inline]
virtnet_poll+0x5cd/0xfb0 drivers/net/virtio_net.c:1620
__napi_poll+0xbb/0x580 net/core/dev.c:7109
napi_poll net/core/dev.c:7176 [inline]
net_rx_action+0x37f/0x910 net/core/dev.c:7266
handle_softirqs+0x250/0x560 kernel/softirq.c:583
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1474 [inline]
free_pcp_prepare mm/page_alloc.c:1546 [inline]
free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
free_unref_page+0xae/0x540 mm/page_alloc.c:3618
free_the_page mm/page_alloc.c:805 [inline]
free_compound_page+0x78/0xa0 mm/page_alloc.c:828
destroy_compound_page include/linux/mm.h:1000 [inline]
__put_compound_page+0x77/0xb0 mm/swap.c:111
__put_page+0xbc/0xe0 mm/swap.c:127
put_page include/linux/mm.h:1306 [inline]
page_to_skb+0x755/0xb60 drivers/net/virtio_net.c:529
receive_mergeable drivers/net/virtio_net.c:1102 [inline]
receive_buf+0xcd3/0x4c20 drivers/net/virtio_net.c:1212
virtnet_receive drivers/net/virtio_net.c:1504 [inline]
virtnet_poll+0x5cd/0xfb0 drivers/net/virtio_net.c:1620
__napi_poll+0xbb/0x580 net/core/dev.c:7109
napi_poll net/core/dev.c:7176 [inline]
net_rx_action+0x37f/0x910 net/core/dev.c:7266
handle_softirqs+0x250/0x560 kernel/softirq.c:583
__do_softirq kernel/softirq.c:621 [inline]
invoke_softirq kernel/softirq.c:443 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:670
irq_exit_rcu+0x9/0x10 kernel/softirq.c:682
common_interrupt+0xbe/0xe0 arch/x86/kernel/irq.c:242
asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:667
Memory state around the buggy address:
ffff88811f8f7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811f8f7080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88811f8f7100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88811f8f7180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88811f8f7200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
sony 0003:054C:042F.0002: can't set operational mode: step 3, ignoring
sony 0003:054C:042F.0002: No inputs registered, leaving
sony 0003:054C:042F.0002: hidraw0: USB HID v0.00 Joystick [HID 054c:042f] on usb-dummy_hcd.0-1/input0
sony 0003:054C:042F.0002: failed to claim input
usb 1-1: USB disconnect, device number 6
usb 1-1: new high-speed USB device number 7 using dummy_hcd
usb 1-1: config 0 interface 0 altsetting 12 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 1-1: config 0 interface 0 altsetting 12 endpoint 0x81 has invalid wMaxPacketSize 0
usb 1-1: config 0 interface 0 altsetting 12 has 1 endpoint descriptor, different from the interface descriptor's value: 2
usb 1-1: config 0 interface 0 has no altsetting 0
usb 1-1: New USB device found, idVendor=054c, idProduct=042f, bcdDevice= 0.00
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
---
This report is generated by a bot. It may contain errors.
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