WARNING: CPU: 1 PID: 7872 at include/linux/cpumask.h:121 cpu_max_bits_warn include/linux/cpumask.h:121 [inline]
WARNING: CPU: 1 PID: 7872 at include/linux/cpumask.h:121 cpumask_check include/linux/cpumask.h:128 [inline]
WARNING: CPU: 1 PID: 7872 at include/linux/cpumask.h:121 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
WARNING: CPU: 1 PID: 7872 at include/linux/cpumask.h:121 io_sq_offload_start fs/io_uring.c:2244 [inline]
WARNING: CPU: 1 PID: 7872 at include/linux/cpumask.h:121 io_uring_create fs/io_uring.c:2855 [inline]
WARNING: CPU: 1 PID: 7872 at include/linux/cpumask.h:121 io_uring_setup+0x13cd/0x1a30 fs/io_uring.c:2907
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7872 Comm: syz-executor435 Not tainted 5.1.0-rc5 #68
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:2855 [inline]
RIP: 0010:io_uring_setup+0x13cd/0x1a30 fs/io_uring.c:2907
Code: 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 18 fe ff ff 48 8b bd e8 fe ff ff e8 2d 80 e0 ff e9 07 fe ff ff e8 73 70 a8 ff <0f> 0b e9 bc f8 ff ff e8 67 70 a8 ff 49 8d 84 24 88 00 00 00 48 89
RSP: 0018:ffff8880a7a47db0 EFLAGS: 00010293
RAX: ffff888097e7a540 RBX: 00000000fffffffe RCX: ffffffff81c814f7
RDX: 0000000000000000 RSI: ffffffff81c81c3d RDI: 0000000000000005
RBP: ffff8880a7a47ee0 R08: ffff888097e7a540 R09: ffffed101182d304
R10: ffffed101182d303 R11: ffff88808c16981f R12: ffff88808c70b700
R13: ffff8880a7a47eb8 R14: ffff88808c70b790 R15: ffff88808c70b754
 __do_sys_io_uring_setup fs/io_uring.c:2920 [inline]
 __se_sys_io_uring_setup fs/io_uring.c:2917 [inline]
 __ia32_sys_io_uring_setup+0x53/0x70 fs/io_uring.c:2917
 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: 0023:0xf7f29869
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:00000000ffa9ccdc EFLAGS: 00000286 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 000000000000014a RCX: 0000000020000040
RDX: 0000000000000002 RSI: 00000000080ea070 RDI: 00000000ffa9cd30
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..