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WARNING: CPU: 0 PID: 5101 at include/linux/cpumask.h:135 cpu_max_bits_warn include/linux/cpumask.h:135 [inline]
WARNING: CPU: 0 PID: 5101 at include/linux/cpumask.h:135 cpumask_check include/linux/cpumask.h:142 [inline]
WARNING: CPU: 0 PID: 5101 at include/linux/cpumask.h:135 cpumask_test_cpu include/linux/cpumask.h:562 [inline]
WARNING: CPU: 0 PID: 5101 at include/linux/cpumask.h:135 io_sq_offload_create+0xd33/0xfd0 io_uring/sqpoll.c:469
Modules linked in:
CPU: 0 UID: 0 PID: 5101 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #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+0xd33/0xfd0 io_uring/sqpoll.c:469
Code: 3b f6 e9 53 f4 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 9e f3 ff ff 48 89 df e8 f8 f7 3b f6 e9 91 f3 ff ff e8 3e 44 d2 f5 90 <0f> 0b 90 e9 f1 fc ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 48
RSP: 0018:ffffc900030dfc40 EFLAGS: 00010293
RAX: ffffffff8bc26fd2 RBX: ffffc900030dfe0c RCX: ffff88801f11c880
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000007
RBP: ffffc900030dfd40 R08: ffffffff8bc26cbd R09: 1ffffffff2039495
R10: dffffc0000000000 R11: fffffbfff2039496 R12: ffff88803bef6000
R13: 00000000ffffffff R14: 1ffff9200061bf94 R15: ffffc900030dfcc0
FS:  00007f6ef4d546c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76ed317ea8 CR3: 000000003f7ba000 CR4: 0000000000350ef0
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: 0033:0x7f6ef3f7def9
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:00007f6ef4d54038 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f6ef4135f80 RCX: 00007f6ef3f7def9
RDX: 0000000000000000 RSI: 0000000020001300 RDI: 0000000000006503
RBP: 00007f6ef3ff0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6ef4135f80 R15: 00007fff740ed168
 </TASK>