list_del corruption. next->prev should be ffffffff862f6c48, but was ffff8881f715c060 ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:56! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events destroy_list_workfn RIP: 0010:__list_del_entry_valid+0xf9/0x100 lib/list_debug.c:54 Code: 7a d3 3f 02 0f 0b 48 c7 c7 e0 ca 43 85 4c 89 f6 31 c0 e8 67 d3 3f 02 0f 0b 48 c7 c7 40 cb 43 85 4c 89 f6 31 c0 e8 54 d3 3f 02 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 be 08 00 00 00 48 c7 c7 20 d2 54 RSP: 0018:ffffc9000019fcf8 EFLAGS: 00010046 RAX: 0000000000000054 RBX: ffff8881061e2c78 RCX: 004ae6d477344a00 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc9000019fd18 R08: ffffffff8153b3c8 R09: ffffed103ee2a5d8 R10: ffffed103ee2a5d8 R11: 1ffff1103ee2a5d7 R12: dffffc0000000000 R13: ffffffff862f6c48 R14: ffffffff862f6c48 R15: ffff8881f7155720 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb511cfb2f0 CR3: 00000001069bd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] list_del_init include/linux/list.h:204 [inline] process_one_work+0x445/0xc10 kernel/workqueue.c:2240 worker_thread+0xb27/0x1550 kernel/workqueue.c:2442 kthread+0x349/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Modules linked in: ---[ end trace 38d67c29ca1c8c64 ]--- RIP: 0010:__list_del_entry_valid+0xf9/0x100 lib/list_debug.c:54 Code: 7a d3 3f 02 0f 0b 48 c7 c7 e0 ca 43 85 4c 89 f6 31 c0 e8 67 d3 3f 02 0f 0b 48 c7 c7 40 cb 43 85 4c 89 f6 31 c0 e8 54 d3 3f 02 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 be 08 00 00 00 48 c7 c7 20 d2 54 RSP: 0018:ffffc9000019fcf8 EFLAGS: 00010046 RAX: 0000000000000054 RBX: ffff8881061e2c78 RCX: 004ae6d477344a00 RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 RBP: ffffc9000019fd18 R08: ffffffff8153b3c8 R09: ffffed103ee2a5d8 R10: ffffed103ee2a5d8 R11: 1ffff1103ee2a5d7 R12: dffffc0000000000 R13: ffffffff862f6c48 R14: ffffffff862f6c48 R15: ffff8881f7155720 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb511cfb2f0 CR3: 00000001069bd000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400