em28xx 5-1:1.0: Disconnecting em28xx #1 em28xx 5-1:1.0: Disconnecting em28xx em28xx 5-1:1.0: Closing input extension em28xx 5-1:1.0: Closing input extension list_del corruption, ffff8880442ec250->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5310 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 12 ac f8 06 cc 48 c7 c7 c0 0a 4c 8c 48 89 de e8 e2 fc 45 fc 90 <0f> 0b 48 c7 c7 20 0b 4c 8c 48 89 de e8 d0 fc 45 fc 90 0f 0b 4c 89 RSP: 0018:ffffc9000f607a68 EFLAGS: 00010246 RAX: 0000000000000033 RBX: ffff8880442ec250 RCX: 090f69de8b4f5400 RDX: ffffc90020001000 RSI: 0000000000001db7 RDI: 0000000000001db8 RBP: dead000000000100 R08: ffffc9000f6077e7 R09: 1ffff92001ec0efc R10: dffffc0000000000 R11: fffff52001ec0efd R12: 1ffffffff1f8cd81 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f6c9c2956c0(0000) GS:ffff88808c526000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560378811168 CR3: 00000000440ee000 CR4: 0000000000352ef0 Call Trace: __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:246 [inline] list_del include/linux/list.h:260 [inline] em28xx_close_extension+0x15a/0x390 drivers/media/usb/em28xx/em28xx-core.c:1269 em28xx_usb_disconnect+0x16b/0x2f0 drivers/media/usb/em28xx/em28xx-cards.c:4451 usb_unbind_interface+0x295/0x9f0 drivers/usb/core/driver.c:458 device_remove drivers/base/dd.c:618 [inline] __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x4f5/0x880 drivers/base/dd.c:1372 unbind_store+0x1a1/0x1d0 drivers/base/bus.c:244 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_write+0x150/0x270 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c9b39e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6c9c294fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f6c9b626090 RCX: 00007f6c9b39e0d9 RDX: 0000000000000008 RSI: 0000200000000500 RDI: 0000000000000004 RBP: 00007f6c9b435024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6c9b626128 R14: 00007f6c9b626090 R15: 00007ffd9c75cc58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 12 ac f8 06 cc 48 c7 c7 c0 0a 4c 8c 48 89 de e8 e2 fc 45 fc 90 <0f> 0b 48 c7 c7 20 0b 4c 8c 48 89 de e8 d0 fc 45 fc 90 0f 0b 4c 89 RSP: 0018:ffffc9000f607a68 EFLAGS: 00010246 RAX: 0000000000000033 RBX: ffff8880442ec250 RCX: 090f69de8b4f5400 RDX: ffffc90020001000 RSI: 0000000000001db7 RDI: 0000000000001db8 RBP: dead000000000100 R08: ffffc9000f6077e7 R09: 1ffff92001ec0efc R10: dffffc0000000000 R11: fffff52001ec0efd R12: 1ffffffff1f8cd81 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f6c9c2956c0(0000) GS:ffff88808c526000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560378811168 CR3: 00000000440ee000 CR4: 0000000000352ef0