KASAN: use-after-free Read in roccat_disconnect

Status: upstream: reported C repro on 2026/09/18 05:49
Reported-by: syzbot+f8d696ffb8b19ef464ba@syzkaller.appspotmail.com
First crash: 1d12h, last: 1d12h
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 KASAN: use-after-free Read in roccat_disconnect 19 syz, C 1 7d23h 7d23h 0/2 upstream: reported C repro on 2026/09/11 19:13
android-6-12 KASAN: slab-use-after-free Read in roccat_disconnect 19 syz, C 1 6d06h 6d06h 0/1 premoderation: reported C repro on 2026/09/13 11:34
upstream KASAN: slab-use-after-free Read in roccat_disconnect prio:high input usb 19 syz, C 14 3d20h 16d 0/29 upstream: reported C repro on 2026/09/02 18:57

Sample crash report:
==================================================================
BUG: KASAN: use-after-free in roccat_disconnect+0x22d/0x240 drivers/hid/hid-roccat.c:373
Read of size 4 at addr ffff888115481c08 by task kworker/1:0/20

CPU: 1 PID: 20 Comm: kworker/1:0 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:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 roccat_disconnect+0x22d/0x240 drivers/hid/hid-roccat.c:373
 savu_remove_specials drivers/hid/hid-roccat-savu.c:107 [inline]
 savu_remove+0xec/0x170 drivers/hid/hid-roccat-savu.c:147
 hid_device_remove+0x272/0x3a0 drivers/hid/hid-core.c:-1
 __device_release_driver drivers/base/dd.c:-1 [inline]
 device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221
 device_release_driver+0x19/0x20 drivers/base/dd.c:1244
 bus_remove_device+0x2df/0x340 drivers/base/bus.c:535
 device_del+0x62e/0xe60 drivers/base/core.c:3453
 hid_remove_device drivers/hid/hid-core.c:2556 [inline]
 hid_destroy_device+0x6a/0x110 drivers/hid/hid-core.c:2575
 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1463
 usb_unbind_interface+0x212/0x8a0 drivers/usb/core/driver.c:459
 __device_release_driver drivers/base/dd.c:-1 [inline]
 device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221
 device_release_driver+0x19/0x20 drivers/base/dd.c:1244
 bus_remove_device+0x2df/0x340 drivers/base/bus.c:535
 device_del+0x62e/0xe60 drivers/base/core.c:3453
 usb_disable_device+0x3a8/0x750 drivers/usb/core/message.c:1470
 usb_disconnect+0x32d/0x870 drivers/usb/core/hub.c:2315
 hub_port_connect drivers/usb/core/hub.c:5343 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5644 [inline]
 port_event drivers/usb/core/hub.c:5810 [inline]
 hub_event+0x19c2/0x4220 drivers/usb/core/hub.c:5892
 process_one_work+0x6fd/0xbc0 kernel/workqueue.c:2301
 process_scheduled_works kernel/workqueue.c:2363 [inline]
 worker_thread+0xd1c/0x13c0 kernel/workqueue.c:2449
 kthread+0x324/0x3b0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Allocated by task 20:
 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:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 kmem_cache_alloc_trace+0x179/0x2e0 mm/slub.c:2979
 kmalloc include/linux/slab.h:555 [inline]
 kzalloc include/linux/slab.h:667 [inline]
 roccat_connect+0x5c/0x4b0 drivers/hid/hid-roccat.c:306
 savu_init_specials drivers/hid/hid-roccat-savu.c:81 [inline]
 savu_probe+0x1ba/0x360 drivers/hid/hid-roccat-savu.c:131
 hid_device_probe+0x28d/0x390 drivers/hid/hid-core.c:2356
 really_probe+0x373/0xa60 drivers/base/dd.c:558
 driver_probe_device+0xe1/0x190 drivers/base/dd.c:752
 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433
 __device_attach+0x2a8/0x410 drivers/base/dd.c:932
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493
 device_add+0x8ce/0xc00 drivers/base/core.c:3273
 hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2508
 usbhid_probe+0xb93/0xf30 drivers/hid/usbhid/hid-core.c:1436
 usb_probe_interface+0x60f/0xb20 drivers/usb/core/driver.c:397
 really_probe+0x3bf/0xa60 drivers/base/dd.c:562
 driver_probe_device+0xe1/0x190 drivers/base/dd.c:752
 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433
 __device_attach+0x2a8/0x410 drivers/base/dd.c:932
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493
 device_add+0x8ce/0xc00 drivers/base/core.c:3273
 usb_set_configuration+0x1a76/0x1fe0 drivers/usb/core/message.c:2219
 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x143/0x250 drivers/usb/core/driver.c:294
 really_probe+0x3bf/0xa60 drivers/base/dd.c:562
 driver_probe_device+0xe1/0x190 drivers/base/dd.c:752
 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433
 __device_attach+0x2a8/0x410 drivers/base/dd.c:932
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493
 device_add+0x8ce/0xc00 drivers/base/core.c:3273
 usb_new_device+0x9ba/0x1460 drivers/usb/core/hub.c:2659
 hub_port_connect drivers/usb/core/hub.c:5504 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5644 [inline]
 port_event drivers/usb/core/hub.c:5810 [inline]
 hub_event+0x2790/0x4220 drivers/usb/core/hub.c:5892
 process_one_work+0x6fd/0xbc0 kernel/workqueue.c:2301
 process_scheduled_works kernel/workqueue.c:2363 [inline]
 worker_thread+0xd1c/0x13c0 kernel/workqueue.c:2449
 kthread+0x324/0x3b0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298

Freed by task 410:
 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:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1600 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626
 slab_free mm/slub.c:3208 [inline]
 kfree+0xc0/0x270 mm/slub.c:4196
 roccat_release+0x2ae/0x370 drivers/hid/hid-roccat.c:229
 __fput+0x2dc/0x730 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa7c/0x24e0 kernel/exit.c:879
 do_group_exit+0x149/0x310 kernel/exit.c:993
 __do_sys_exit_group kernel/exit.c:1004 [inline]
 __se_sys_exit_group kernel/exit.c:1002 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1002
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff888115481c00
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
 512-byte region [ffff888115481c00, ffff888115481e00)
The buggy address belongs to the page:
page:ffffea0004552000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x115480
head:ffffea0004552000 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 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 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 320, ts 42072516210, free_ts 42015055654
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541
 __kmalloc_reserve net/core/skbuff.c:144 [inline]
 __alloc_skb+0xdc/0x520 net/core/skbuff.c:212
 alloc_skb include/linux/skbuff.h:1126 [inline]
 alloc_skb_with_frags+0xa3/0x560 net/core/skbuff.c:6045
 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2392
 unix_dgram_sendmsg+0x6f3/0x18f0 net/unix/af_unix.c:1725
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 sock_write_iter+0x2a6/0x3a0 net/socket.c:1019
 call_write_iter include/linux/fs.h:2072 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x770/0xd70 fs/read_write.c:605
 ksys_write+0x14a/0x260 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page mm/page_alloc.c:5443 [inline]
 __free_pages+0x146/0x390 mm/page_alloc.c:5454
 __vunmap+0x801/0x980 mm/vmalloc.c:2307
 __vfree mm/vmalloc.c:2356 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2387
 hid_open_report+0x9de/0xe50 drivers/hid/hid-core.c:1300
 hid_parse include/linux/hid.h:1078 [inline]
 savu_probe+0x5c/0x360 drivers/hid/hid-roccat-savu.c:119
 hid_device_probe+0x28d/0x390 drivers/hid/hid-core.c:2356
 really_probe+0x373/0xa60 drivers/base/dd.c:558
 driver_probe_device+0xe1/0x190 drivers/base/dd.c:752
 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433
 __device_attach+0x2a8/0x410 drivers/base/dd.c:932
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493
 device_add+0x8ce/0xc00 drivers/base/core.c:3273
 hid_add_device+0x349/0x4b0 drivers/hid/hid-core.c:2508

Memory state around the buggy address:
 ffff888115481b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888115481b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888115481c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff888115481c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888115481d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
usb 4-1: new high-speed USB device number 12 using dummy_hcd
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0037: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0
usb 4-1: USB disconnect, device number 12
usb 4-1: new high-speed USB device number 13 using dummy_hcd
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003C: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0
usb 4-1: USB disconnect, device number 13
usb 4-1: new high-speed USB device number 14 using dummy_hcd
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0042: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0
usb 4-1: USB disconnect, device number 14
usb 4-1: new high-speed USB device number 15 using dummy_hcd
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0047: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0
usb 4-1: USB disconnect, device number 15
usb 4-1: new high-speed USB device number 16 using dummy_hcd

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/18 05:47 android13-5.10-lts 452567d1985b 8d7d05f1 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10 KASAN: use-after-free Read in roccat_disconnect
* Struck through repros no longer work on HEAD.