WARNING: CPU: 1 PID: 18931 at include/linux/cpumask.h:121 cpu_max_bits_warn include/linux/cpumask.h:121 [inline]
WARNING: CPU: 1 PID: 18931 at include/linux/cpumask.h:121 cpumask_check include/linux/cpumask.h:128 [inline]
WARNING: CPU: 1 PID: 18931 at include/linux/cpumask.h:121 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
WARNING: CPU: 1 PID: 18931 at include/linux/cpumask.h:121 io_sq_offload_start fs/io_uring.c:2244 [inline]
WARNING: CPU: 1 PID: 18931 at include/linux/cpumask.h:121 io_uring_create fs/io_uring.c:2864 [inline]
WARNING: CPU: 1 PID: 18931 at include/linux/cpumask.h:121 io_uring_setup+0x1399/0x1ac0 fs/io_uring.c:2916
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 18931 Comm: syz-executor.1 Not tainted 5.1.0-rc7+ #95
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:cpu_max_bits_warn include/linux/cpumask.h:121 [inline]
RIP: 0010:cpumask_check include/linux/cpumask.h:128 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:344 [inline]
RIP: 0010:io_sq_offload_start fs/io_uring.c:2244 [inline]
RIP: 0010:io_uring_create fs/io_uring.c:2864 [inline]
RIP: 0010:io_uring_setup+0x1399/0x1ac0 fs/io_uring.c:2916
Code: 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 f8 fd ff ff 4c 89 f7 e8 d1 7d e0 ff e9 eb fd ff ff e8 07 67 a8 ff <0f> 0b e9 27 f7 ff ff e8 fb 66 a8 ff 4c 89 ff e8 83 3b 7a ff e9 fd
RSP: 0018:ffff88806c737db8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: 00000000fffffffc RCX: ffffc90008028000
RDX: 0000000000000282 RSI: ffffffff81c825a9 RDI: 0000000000000005
RBP: ffff88806c737ee0 R08: ffff888098de4080 R09: ffffed1010fa142c
R10: ffffed1010fa142b R11: ffff888087d0a15f R12: ffff88809b306c00
R13: ffff88806c737eb8 R14: ffff88809b306c40 R15: ffff88809b306c54
 __do_sys_io_uring_setup fs/io_uring.c:2929 [inline]
 __se_sys_io_uring_setup fs/io_uring.c:2926 [inline]
 __ia32_sys_io_uring_setup+0x53/0x70 fs/io_uring.c:2926
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x281/0xc98 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f47849
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5d430cc EFLAGS: 00000296 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 0000000000000064 RCX: 00000000200000c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..