em28xx 6-1:0.0: Disconnecting em28xx non-slab/vmalloc memory list_del corruption. prev->next should be ffff888077004250, but was ffffffff85f5fdc6. (prev=ffff888073be8250) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.16.0-rc3-syzkaller-g67a993863163 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62 Code: e8 3b 21 3b fd 43 80 3c 2c 00 74 08 4c 89 ff e8 8c f7 5b fd 49 8b 17 48 c7 c7 a0 93 e2 8b 48 89 de 4c 89 f9 e8 07 b4 5f fc 90 <0f> 0b 4c 89 f7 e8 0c 21 3b fd 43 80 3c 2c 00 74 08 4c 89 ff e8 5d RSP: 0018:ffffc900000e73a0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888077004250 RCX: 8e433c6658af6100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888077004000 R08: ffff8880b8624293 R09: 1ffff110170c4852 R10: dffffc0000000000 R11: ffffed10170c4853 R12: 1ffff1100e77d04a R13: dffffc0000000000 R14: ffff88802a3c0250 R15: ffff888073be8250 FS: 0000000000000000(0000) GS:ffff888125c50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005617668da8b0 CR3: 00000000325c2000 CR4: 00000000003526f0 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+0x130/0x220 drivers/media/usb/em28xx/em28xx-core.c:1137 em28xx_usb_disconnect+0x16b/0x2f0 drivers/media/usb/em28xx/em28xx-cards.c:4197 usb_unbind_interface+0x26b/0x8f0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x4d6/0x7c0 drivers/base/dd.c:1295 bus_remove_device+0x34d/0x410 drivers/base/bus.c:579 device_del+0x511/0x8e0 drivers/base/core.c:3881 usb_disable_device+0x3e9/0x8a0 drivers/usb/core/message.c:1418 usb_disconnect+0x330/0x910 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+0x1cdb/0x4a00 drivers/usb/core/hub.c:5917 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402 kthread+0x70e/0x8a0 kernel/kthread.c:464 ret_from_fork+0x3fc/0x770 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+0x15a/0x190 lib/list_debug.c:62 Code: e8 3b 21 3b fd 43 80 3c 2c 00 74 08 4c 89 ff e8 8c f7 5b fd 49 8b 17 48 c7 c7 a0 93 e2 8b 48 89 de 4c 89 f9 e8 07 b4 5f fc 90 <0f> 0b 4c 89 f7 e8 0c 21 3b fd 43 80 3c 2c 00 74 08 4c 89 ff e8 5d RSP: 0018:ffffc900000e73a0 EFLAGS: 00010246 RAX: 000000000000006d RBX: ffff888077004250 RCX: 8e433c6658af6100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888077004000 R08: ffff8880b8624293 R09: 1ffff110170c4852 R10: dffffc0000000000 R11: ffffed10170c4853 R12: 1ffff1100e77d04a R13: dffffc0000000000 R14: ffff88802a3c0250 R15: ffff888073be8250 FS: 0000000000000000(0000) GS:ffff888125c50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6208f71da0 CR3: 0000000033230000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400