BUG: kernel NULL pointer dereference, address: 0000000000000039
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 1017e9067 P4D 1017e9067 PUD 10138f067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 349 Comm: syz-executor.0 Not tainted 5.15.78-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:fuse_atomic_open+0x49/0x120 fs/fuse/dir.c:847
Code: 89 e5 41 57 45 89 c7 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 31 db 48 83 ec 10 f7 06 00 00 00 10 75 7a f6 c1 40 74 08 <49> 83 7c 24 30 00 74 1a 48 89 de 4c 89 f7 e8 e4 81 e9 ff 48 83 c4
RSP: 0018:ffffc9000039bca8 EFLAGS: 00010202
RAX: 0000000000000009 RBX: 0000000000000009 RCX: 0000000000008241
RDX: 0000000000000000 RSI: ffff8881015db780 RDI: ffff88810ad88b88
RBP: ffffc9000039bce0 R08: 0000000000000009 R09: ffff8881108c9000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000009
R13: ffff88810ad88800 R14: ffff888102594640 R15: 0000000000008000
FS:  00007feea5c976c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000039 CR3: 000000010e46d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 atomic_open fs/namei.c:3196 [inline]
 lookup_open fs/namei.c:3305 [inline]
 open_last_lookups fs/namei.c:3404 [inline]
 path_openat+0x78b/0x11e0 fs/namei.c:3612
 do_filp_open+0xb1/0x150 fs/namei.c:3642
 do_sys_openat2+0x96/0x160 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_creat fs/open.c:1324 [inline]
 __se_sys_creat fs/open.c:1318 [inline]
 __x64_sys_creat+0x46/0x60 fs/open.c:1318
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7feea6135b29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feea5c970c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007feea6255050 RCX: 00007feea6135b29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007feea618147a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007feea6255050 R15: 00007ffdc5a337f8
 </TASK>
Modules linked in:
CR2: 0000000000000039
---[ end trace bf005c767dc13cb4 ]---
RIP: 0010:fuse_atomic_open+0x49/0x120 fs/fuse/dir.c:847
Code: 89 e5 41 57 45 89 c7 41 56 49 89 d6 41 55 49 89 fd 41 54 49 89 f4 53 31 db 48 83 ec 10 f7 06 00 00 00 10 75 7a f6 c1 40 74 08 <49> 83 7c 24 30 00 74 1a 48 89 de 4c 89 f7 e8 e4 81 e9 ff 48 83 c4
RSP: 0018:ffffc9000039bca8 EFLAGS: 00010202
RAX: 0000000000000009 RBX: 0000000000000009 RCX: 0000000000008241
RDX: 0000000000000000 RSI: ffff8881015db780 RDI: ffff88810ad88b88
RBP: ffffc9000039bce0 R08: 0000000000000009 R09: ffff8881108c9000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000009
R13: ffff88810ad88800 R14: ffff888102594640 R15: 0000000000008000
FS:  00007feea5c976c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000039 CR3: 000000010e46d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 e5                	mov    %esp,%ebp
   2:	41 57                	push   %r15
   4:	45 89 c7             	mov    %r8d,%r15d
   7:	41 56                	push   %r14
   9:	49 89 d6             	mov    %rdx,%r14
   c:	41 55                	push   %r13
   e:	49 89 fd             	mov    %rdi,%r13
  11:	41 54                	push   %r12
  13:	49 89 f4             	mov    %rsi,%r12
  16:	53                   	push   %rbx
  17:	31 db                	xor    %ebx,%ebx
  19:	48 83 ec 10          	sub    $0x10,%rsp
  1d:	f7 06 00 00 00 10    	testl  $0x10000000,(%rsi)
  23:	75 7a                	jne    0x9f
  25:	f6 c1 40             	test   $0x40,%cl
  28:	74 08                	je     0x32
* 2a:	49 83 7c 24 30 00    	cmpq   $0x0,0x30(%r12) <-- trapping instruction
  30:	74 1a                	je     0x4c
  32:	48 89 de             	mov    %rbx,%rsi
  35:	4c 89 f7             	mov    %r14,%rdi
  38:	e8 e4 81 e9 ff       	call   0xffe98221
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4