em28xx 4-1:1.100: Disconnecting em28xx #1 em28xx 4-1:1.100: Disconnecting em28xx em28xx 4-1:1.100: Closing input extension em28xx 4-1:1.100: Closing input extension list_del corruption, ffff888125f68250->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:52! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 29 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_del_entry_valid_or_report.cold+0x22/0x2a lib/list_debug.c:52 Code: e8 dd c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 00 bb d2 87 e8 cb c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 a0 ba d2 87 e8 b9 c4 fa ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900001f75f0 EFLAGS: 00010282 RAX: 0000000000000033 RBX: ffff888125f68250 RCX: 0000000000000000 RDX: 0000000000000033 RSI: ffffffff81938669 RDI: fffff5200003eeaf RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888125f68250 R14: ffff888125f68258 R15: ffffed1023656c6f FS: 0000000000000000(0000) GS:ffff8882684e2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff53a56ed8 CR3: 000000010af38000 CR4: 00000000003506f0 Call Trace: __list_del_entry_valid include/linux/list.h:140 [inline] __list_del_entry include/linux/list.h:261 [inline] list_del include/linux/list.h:275 [inline] em28xx_close_extension+0x147/0x460 drivers/media/usb/em28xx/em28xx-core.c:1269 em28xx_usb_disconnect.cold+0x13d/0x253 drivers/media/usb/em28xx/em28xx-cards.c:4451 usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:618 [inline] device_remove+0x12a/0x180 drivers/base/dd.c:610 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:664 device_del+0x376/0x9b0 drivers/base/core.c:3965 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1478 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2350 hub_port_connect drivers/usb/core/hub.c:5420 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event+0x1d46/0x4510 drivers/usb/core/hub.c:5966 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report.cold+0x22/0x2a lib/list_debug.c:52 Code: e8 dd c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 00 bb d2 87 e8 cb c4 fa ff 90 0f 0b 48 89 de 48 c7 c7 a0 ba d2 87 e8 b9 c4 fa ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900001f75f0 EFLAGS: 00010282 RAX: 0000000000000033 RBX: ffff888125f68250 RCX: 0000000000000000 RDX: 0000000000000033 RSI: ffffffff81938669 RDI: fffff5200003eeaf RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 8000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888125f68250 R14: ffff888125f68258 R15: ffffed1023656c6f FS: 0000000000000000(0000) GS:ffff8882684e2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2eef5ff8 CR3: 00000001176be000 CR4: 00000000003506f0