Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9daaff0be8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000045e219
RDX: 0000000020ffd000 RSI: 0000000020000200 RDI: 0000000000003040
RBP: 00007f9daaff0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020ffd000
R13: 0000000020ffb000 R14: 0000000000000000 R15: 0000000000000000
BUG: kernel NULL pointer dereference, address: 0000000000000114
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 11f97b067 P4D 11f97b067 PUD 11f97c067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP
CPU: 0 PID: 10208 Comm: syz-executor.0 Not tainted 5.11.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_ring_set_wakeup_flag fs/io_uring.c:6929 [inline]
RIP: 0010:io_disable_sqo_submit+0x4d/0x60 fs/io_uring.c:8891
Code: e8 f8 d3 1b 02 48 89 ef 80 4b 44 40 48 8d ab 80 04 00 00 e8 85 bd 1b 02 48 89 ef e8 3d 0e 1c 02 48 8b 83 c0 00 00 00 48 89 ef <83> 88 14 01 00 00 01 5b 5d e9 65 10 1c 02 0f 0b eb b8 90 41 55 65
RSP: 0018:ffffc90002fabe50 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88811fa24000 RCX: ffffffff86b75560
RDX: 0000000000000001 RSI: ffffffff846a9e5c RDI: ffff88811fa24480
RBP: ffff88811fa24480 R08: ffffffff8665f4e0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000020000200 R14: fffffffffffffff4 R15: 0000000000080140
FS:  00007f9daaff1700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000114 CR3: 000000011f97a000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 io_uring_create fs/io_uring.c:9711 [inline]
 io_uring_setup+0x861/0x1300 fs/io_uring.c:9739
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f9daaff0be8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000045e219
RDX: 0000000020ffd000 RSI: 0000000020000200 RDI: 0000000000003040
RBP: 00007f9daaff0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020ffd000
R13: 0000000020ffb000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
CR2: 0000000000000114
---[ end trace 4dd1b93aa9c75b0a ]---
RIP: 0010:io_ring_set_wakeup_flag fs/io_uring.c:6929 [inline]
RIP: 0010:io_disable_sqo_submit+0x4d/0x60 fs/io_uring.c:8891
Code: e8 f8 d3 1b 02 48 89 ef 80 4b 44 40 48 8d ab 80 04 00 00 e8 85 bd 1b 02 48 89 ef e8 3d 0e 1c 02 48 8b 83 c0 00 00 00 48 89 ef <83> 88 14 01 00 00 01 5b 5d e9 65 10 1c 02 0f 0b eb b8 90 41 55 65
RSP: 0018:ffffc90002fabe50 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88811fa24000 RCX: ffffffff86b75560
RDX: 0000000000000001 RSI: ffffffff846a9e5c RDI: ffff88811fa24480
RBP: ffff88811fa24480 R08: ffffffff8665f4e0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000020000200 R14: fffffffffffffff4 R15: 0000000000080140
FS:  00007f9daaff1700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000114 CR3: 000000011f97a000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400