list_add corruption. prev->next should be next (ffffffff89e1ade0), but was ffffffff81ae4e57. (prev=ffff888113b50250).
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:32!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 6667 Comm: kworker/1:7 Not tainted 6.12.0-rc6-syzkaller-00153-g237d4e0f4113 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: events request_module_async
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: df fe 90 0f 0b 48 89 d9 48 c7 c7 00 ee 46 87 e8 b8 03 df fe 90 0f 0b 48 89 f1 48 c7 c7 80 ee 46 87 48 89 de e8 a3 03 df fe 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 00 ef 46 87 e8 8b 03 df
RSP: 0018:ffffc900117f7c50 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff89e1ade0 RCX: ffffffff8135f9d9
RDX: 0000000000000000 RSI: ffffffff8136a2f6 RDI: 0000000000000005
RBP: ffff88810129c250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810129c250
R13: ffff88810129c000 R14: 0000000000000000 R15: ffff888100094400
FS:  0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff92e8cfd58 CR3: 0000000115ac0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:88 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 em28xx_init_extension+0x48/0x200 drivers/media/usb/em28xx/em28xx-core.c:1114
 request_module_async+0x61/0x70 drivers/media/usb/em28xx/em28xx-cards.c:3457
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xbe/0x100 lib/list_debug.c:32
Code: df fe 90 0f 0b 48 89 d9 48 c7 c7 00 ee 46 87 e8 b8 03 df fe 90 0f 0b 48 89 f1 48 c7 c7 80 ee 46 87 48 89 de e8 a3 03 df fe 90 <0f> 0b 48 89 f2 48 89 d9 48 89 ee 48 c7 c7 00 ef 46 87 e8 8b 03 df
RSP: 0018:ffffc900117f7c50 EFLAGS: 00010286
RAX: 0000000000000075 RBX: ffffffff89e1ade0 RCX: ffffffff8135f9d9
RDX: 0000000000000000 RSI: ffffffff8136a2f6 RDI: 0000000000000005
RBP: ffff88810129c250 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810129c250
R13: ffff88810129c000 R14: 0000000000000000 R15: ffff888100094400
FS:  0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff92e8cfd58 CR3: 0000000115ac0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400