list_del corruption. prev->next should be ffff88811fedc250, but was 0000000000000000. (prev=ffff8881309fc250) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:62! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 1117 Comm: kworker/0:2 Not tainted 6.15.0-rc4-syzkaller-g615dca38c2ea #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_del_entry_valid_or_report+0x17a/0x200 lib/list_debug.c:62 Code: 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 8b 55 00 48 89 e9 48 89 de 48 c7 c7 00 56 68 87 e8 97 77 d8 fe 90 <0f> 0b 4c 89 e7 e8 cc 11 39 ff 48 89 ea 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90001c3f678 EFLAGS: 00010282 RAX: 000000000000006d RBX: ffff88811fedc250 RCX: ffffffff815c09d9 RDX: 0000000000000000 RSI: ffffffff815c8866 RDI: 0000000000000005 RBP: ffff8881309fc250 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888118ed8250 R13: ffff88811fedc000 R14: ffffffff8a04ecc8 R15: ffffed1023fdbc41 FS: 0000000000000000(0000) GS:ffff8882691c4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6f0b0bca0 CR3: 0000000112610000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] em28xx_close_extension+0x10b/0x2b0 drivers/media/usb/em28xx/em28xx-core.c:1137 em28xx_usb_disconnect+0x19d/0x610 drivers/media/usb/em28xx/em28xx-cards.c:4197 usb_unbind_interface+0x1da/0x9a0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:569 [inline] device_remove+0x122/0x170 drivers/base/dd.c:561 __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1295 bus_remove_device+0x22f/0x420 drivers/base/bus.c:579 device_del+0x396/0x9f0 drivers/base/core.c:3881 usb_disable_device+0x355/0x7d0 drivers/usb/core/message.c:1418 usb_disconnect+0x2e1/0x920 drivers/usb/core/hub.c:2316 hub_port_connect drivers/usb/core/hub.c:5375 [inline] hub_port_connect_change drivers/usb/core/hub.c:5675 [inline] port_event drivers/usb/core/hub.c:5835 [inline] hub_event+0x1aa0/0x5030 drivers/usb/core/hub.c:5917 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c2/0x780 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153 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+0x17a/0x200 lib/list_debug.c:62 Code: 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 8b 55 00 48 89 e9 48 89 de 48 c7 c7 00 56 68 87 e8 97 77 d8 fe 90 <0f> 0b 4c 89 e7 e8 cc 11 39 ff 48 89 ea 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90001c3f678 EFLAGS: 00010282 RAX: 000000000000006d RBX: ffff88811fedc250 RCX: ffffffff815c09d9 RDX: 0000000000000000 RSI: ffffffff815c8866 RDI: 0000000000000005 RBP: ffff8881309fc250 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888118ed8250 R13: ffff88811fedc000 R14: ffffffff8a04ecc8 R15: ffffed1023fdbc41 FS: 0000000000000000(0000) GS:ffff8882691c4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6f0b0bca0 CR3: 0000000112610000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400