list_add double add: new=ffff8880185f0800, prev=ffff888064f89520, next=ffff8880185f0800.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:29!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 31555 Comm: syz-executor.5 Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29
Code: 04 c3 fb fa 4c 89 e1 48 c7 c7 e0 de 9e 89 e8 9e 43 f3 ff 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 20 e0 9e 89 e8 87 43 f3 ff <0f> 0b 48 89 f1 48 c7 c7 a0 df 9e 89 4c 89 e6 e8 73 43 f3 ff 0f 0b
RSP: 0018:ffffc90017e1f938 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff8880185f0780 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815b6285 RDI: fffff52002fc3f19
RBP: ffff8880185f0800 R08: 0000000000000058 R09: 0000000000000000
R10: ffffffff815af45e R11: 0000000000000000 R12: ffff8880185f0800
R13: ffff88802095e000 R14: ffff888064f89000 R15: ffff888064f89520
FS:  00007f2e1406d700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000010b CR3: 0000000022491000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __list_add include/linux/list.h:67 [inline]
 list_add include/linux/list.h:86 [inline]
 io_file_get+0x8cc/0xdb0 fs/io_uring.c:6466
 __io_splice_prep+0x1bc/0x530 fs/io_uring.c:3866
 io_splice_prep fs/io_uring.c:3920 [inline]
 io_req_prep+0x3546/0x4e80 fs/io_uring.c:6081
 io_queue_sqe+0x609/0x10d0 fs/io_uring.c:6628
 io_submit_sqe fs/io_uring.c:6705 [inline]
 io_submit_sqes+0x1495/0x2720 fs/io_uring.c:6953
 __do_sys_io_uring_enter+0x107d/0x1f30 fs/io_uring.c:9353
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2e1406cc68 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219
RDX: 0000000000000000 RSI: 000000000000593d RDI: 0000000000000004
RBP: 000000000119bfd8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00000000016afb5f R14: 00007f2e1406d9c0 R15: 000000000119bf8c
Modules linked in:
---[ end trace 50de2180c2e988e7 ]---
RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29
Code: 04 c3 fb fa 4c 89 e1 48 c7 c7 e0 de 9e 89 e8 9e 43 f3 ff 0f 0b 48 89 f2 4c 89 e1 48 89 ee 48 c7 c7 20 e0 9e 89 e8 87 43 f3 ff <0f> 0b 48 89 f1 48 c7 c7 a0 df 9e 89 4c 89 e6 e8 73 43 f3 ff 0f 0b
RSP: 0018:ffffc90017e1f938 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff8880185f0780 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815b6285 RDI: fffff52002fc3f19
RBP: ffff8880185f0800 R08: 0000000000000058 R09: 0000000000000000
R10: ffffffff815af45e R11: 0000000000000000 R12: ffff8880185f0800
R13: ffff88802095e000 R14: ffff888064f89000 R15: ffff888064f89520
FS:  00007f2e1406d700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000010b CR3: 0000000022491000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400