------------[ cut here ]------------
WARNING: CPU: 2 PID: 9642 at include/linux/cpumask.h:135 cpu_max_bits_warn include/linux/cpumask.h:135 [inline]
WARNING: CPU: 2 PID: 9642 at include/linux/cpumask.h:135 cpumask_check include/linux/cpumask.h:142 [inline]
WARNING: CPU: 2 PID: 9642 at include/linux/cpumask.h:135 cpumask_test_cpu include/linux/cpumask.h:562 [inline]
WARNING: CPU: 2 PID: 9642 at include/linux/cpumask.h:135 io_sq_offload_create+0xe3d/0x1090 io_uring/sqpoll.c:469
Modules linked in:
CPU: 2 UID: 0 PID: 9642 Comm: syz.2.916 Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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+0xe3d/0x1090 io_uring/sqpoll.c:469
Code: 44 24 08 e9 2f f7 ff ff e8 f0 86 09 fd 44 89 e3 e9 06 ff ff ff e8 e3 86 09 fd 4c 89 ff e8 2b 97 79 fd eb ad e8 d4 86 09 fd 90 <0f> 0b 90 e9 f3 fd ff ff e8 c6 86 09 fd 31 ff 89 de e8 fd 88 09 fd
RSP: 0018:ffffc9000167fcd8 EFLAGS: 00010283
RAX: 000000000000893e RBX: ffff88804d628800 RCX: ffffc900066f1000
RDX: 0000000000040000 RSI: ffffffff848251ec RDI: 0000000000000005
RBP: ffff888054d38000 R08: 0000000000000005 R09: 0000000000000007
R10: 00000000fffffffc R11: 0000000000000000 R12: 00000000fffffffc
R13: 1ffff920002cffa0 R14: ffffc9000167fd20 R15: 0000000000000000
FS:  00007fefdef296c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefdef28f98 CR3: 0000000048f26000 CR4: 0000000000350ef0
DR0: ffffffffffffffff DR1: 0000000000000001 DR2: 0000000000000000
DR3: 0000000080000001 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 io_uring_create io_uring/io_uring.c:3617 [inline]
 io_uring_setup+0x180f/0x3730 io_uring/io_uring.c:3726
 __do_sys_io_uring_setup io_uring/io_uring.c:3753 [inline]
 __se_sys_io_uring_setup io_uring/io_uring.c:3747 [inline]
 __x64_sys_io_uring_setup+0x98/0x140 io_uring/io_uring.c:3747
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fefde17def9
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:00007fefdef29038 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007fefde335f80 RCX: 00007fefde17def9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 00000000000021b6
RBP: 00007fefde1f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fefde335f80 R15: 00007ffff0b77a98
 </TASK>