em28xx 8-1:0.0: Disconnecting em28xx non-slab/vmalloc memory list_del corruption. next->prev should be ffff888053bec250, but was 0000000000000000. (next=ffff8880370c0250) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:65! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 2 UID: 0 PID: 24 Comm: kworker/2:0 Not tainted 6.15.0-syzkaller-13655-gbdc7f8c5adad #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 40 74 15 8c e8 5e 9b b9 fc 90 <0f> 0b e8 76 80 41 fd e9 6b fe ff ff 48 89 df e8 69 80 41 fd e9 7d RSP: 0018:ffffc9000062f668 EFLAGS: 00010286 RAX: 000000000000006d RBX: ffff888053bec250 RCX: ffffffff819b01d9 RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005 RBP: ffff8880370c0258 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff8880370c0250 R13: ffff888053bec000 R14: ffffffff8fddbe08 R15: ffffed100a77dc47 FS: 0000000000000000(0000) GS:ffff8880d6954000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff67c88f50 CR3: 0000000050996000 CR4: 0000000000352ef0 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+0x125/0x170 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+0x1c57/0x4fa0 drivers/usb/core/hub.c:5917 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 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+0x1b3/0x200 lib/list_debug.c:65 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 40 74 15 8c e8 5e 9b b9 fc 90 <0f> 0b e8 76 80 41 fd e9 6b fe ff ff 48 89 df e8 69 80 41 fd e9 7d RSP: 0018:ffffc9000062f668 EFLAGS: 00010286 RAX: 000000000000006d RBX: ffff888053bec250 RCX: ffffffff819b01d9 RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005 RBP: ffff8880370c0258 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff8880370c0250 R13: ffff888053bec000 R14: ffffffff8fddbe08 R15: ffffed100a77dc47 FS: 0000000000000000(0000) GS:ffff8880d6954000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff67c88f50 CR3: 0000000050996000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400