WARNING: CPU: 1 PID: 7919 at include/linux/cpumask.h:121 cpu_max_bits_warn include/linux/cpumask.h:121 [inline]
WARNING: CPU: 1 PID: 7919 at include/linux/cpumask.h:121 cpumask_check include/linux/cpumask.h:128 [inline]
WARNING: CPU: 1 PID: 7919 at include/linux/cpumask.h:121 cpumask_test_cpu include/linux/cpumask.h:344 [inline]
WARNING: CPU: 1 PID: 7919 at include/linux/cpumask.h:121 io_sq_offload_start fs/io_uring.c:2244 [inline]
WARNING: CPU: 1 PID: 7919 at include/linux/cpumask.h:121 io_uring_create fs/io_uring.c:2851 [inline]
WARNING: CPU: 1 PID: 7919 at include/linux/cpumask.h:121 io_uring_setup+0x13b2/0x1990 fs/io_uring.c:2903
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7919 Comm: syz-executor076 Not tainted 5.1.0-rc4+ #64
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:2851 [inline]
RIP: 0010:io_uring_setup+0x13b2/0x1990 fs/io_uring.c:2903
Code: 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 0f 84 18 fe ff ff 48 89 df e8 e8 80 e0 ff e9 0b fe ff ff e8 2e 79 a8 ff <0f> 0b e9 db f8 ff ff e8 22 79 a8 ff 49 8d 9c 24 88 00 00 00 48 b8
RSP: 0018:ffff88809607fdc0 EFLAGS: 00010293
RAX: ffff8880a1634540 RBX: 0000000000000400 RCX: ffffffff81c80eab
RDX: 0000000000000000 RSI: ffffffff81c815d2 RDI: 0000000000000005
RBP: ffff88809607fef0 R08: ffff8880a1634540 R09: ffffed1014f5bdc4
R10: ffffed1014f5bdc3 R11: ffff8880a7adee1f R12: ffff88808a641480
R13: ffff88809607fec8 R14: ffff88808a6414c0 R15: ffff88808a6414d4
 __do_sys_io_uring_setup fs/io_uring.c:2916 [inline]
 __se_sys_io_uring_setup fs/io_uring.c:2913 [inline]
 __x64_sys_io_uring_setup+0x54/0x80 fs/io_uring.c:2913
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440239
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffdad1455e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440239
RDX: 0000000000400b60 RSI: 0000000020000200 RDI: 0000000000000c9f
RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000401ac0
R13: 0000000000401b50 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..