loop2: detected capacity change from 0 to 8
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5811 at include/linux/cpumask.h:135 cpu_max_bits_warn include/linux/cpumask.h:135 [inline]
WARNING: CPU: 0 PID: 5811 at include/linux/cpumask.h:135 cpumask_check include/linux/cpumask.h:142 [inline]
WARNING: CPU: 0 PID: 5811 at include/linux/cpumask.h:135 cpumask_test_cpu include/linux/cpumask.h:562 [inline]
WARNING: CPU: 0 PID: 5811 at include/linux/cpumask.h:135 io_sq_offload_create+0xd2f/0xfd0 io_uring/sqpoll.c:469
Modules linked in:
CPU: 0 UID: 0 PID: 5811 Comm: syz.2.71 Not tainted 6.11.0-syzkaller-07337-g2004cef11ea0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:135 [inline]
RIP: 0010:cpumask_check include/linux/cpumask.h:142 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:562 [inline]
RIP: 0010:io_sq_offload_create+0xd2f/0xfd0 io_uring/sqpoll.c:469
Code: 43 f6 e9 57 f4 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a2 f3 ff ff 48 89 df e8 8c 8a 43 f6 e9 95 f3 ff ff e8 92 29 df f5 90 <0f> 0b 90 e9 f3 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4c
RSP: 0018:ffffc90003467c40 EFLAGS: 00010293
RAX: ffffffff8bb5953e RBX: ffffc90003467e0c RCX: ffff888021345a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000007
RBP: ffffc90003467d40 R08: ffffffff8bb5922b R09: 1ffffffff20365d5
R10: dffffc0000000000 R11: fffffbfff20365d6 R12: ffff888028626000
R13: 0000000080000000 R14: 1ffff9200068cf94 R15: ffffc90003467cc0
FS:  00007f66e67f96c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f66e6961060 CR3: 00000000246c2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 io_uring_create+0x792/0x1360 io_uring/io_uring.c:3617
 io_uring_setup io_uring/io_uring.c:3726 [inline]
 __do_sys_io_uring_setup io_uring/io_uring.c:3753 [inline]
 __se_sys_io_uring_setup+0x2ba/0x330 io_uring/io_uring.c:3747
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66e697def9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f66e67f8fc8 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f66e6b35f80 RCX: 00007f66e697def9
RDX: 00000000200001c0 RSI: 00000000200004c0 RDI: 00000000000032ea
RBP: 00000000200004c0 R08: 0000000000000000 R09: 00000000200001c0
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00000000200005c0 R14: 00000000000032ea R15: 00000000200001c0
 </TASK>