RAX: ffffffffffffffda RBX: 00007f16ac238050 RCX: 00007f16ac118ae9
RDX: 0000000000000041 RSI: 0000000020000100 RDI: ffffffffffffff9c
RBP: 00007f16aae7a120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000006e R14: 00007f16ac238050 R15: 00007ffe4eb16a58
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 0 PID: 24434 Comm: syz-executor.0 Not tainted 5.10.194-syzkaller-00508-ga27512601c2d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:927 [inline]
RIP: 0010:fuse_file_put+0x11d/0x2310 fs/fuse/file.c:125
Code: 01 00 00 00 89 de e8 92 4e 6c ff 83 fb 01 0f 85 ee 00 00 00 4d 8d 6c 24 28 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 35 9f a9 ff 4c 8d bc 24 c0 00 00 00
RSP: 0018:ffffc90000c66f00 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffff88811471e2c0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000c672a0 R08: ffffffff81fe554e R09: ffffed102b4afa46
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000028 R14: ffff88815a57d200 R15: ffff88815a57d228
FS:  00007f16aae7a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f386361dfa8 CR3: 00000001143ab000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fuse_sync_release+0x81/0xb0 fs/fuse/file.c:393
 fuse_create_open fs/fuse/dir.c:794 [inline]
 fuse_atomic_open+0x26d7/0x31a0 fs/fuse/dir.c:855
 atomic_open fs/namei.c:3120 [inline]
 lookup_open fs/namei.c:3225 [inline]
 open_last_lookups fs/namei.c:3323 [inline]
 path_openat+0xff0/0x3000 fs/namei.c:3512
 do_filp_open+0x21c/0x460 fs/namei.c:3542
 do_sys_openat2+0x13f/0x6f0 fs/open.c:1217
 do_sys_open fs/open.c:1233 [inline]
 __do_sys_openat fs/open.c:1249 [inline]
 __se_sys_openat fs/open.c:1244 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1244
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f16ac118ae9
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:00007f16aae7a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f16ac238050 RCX: 00007f16ac118ae9
RDX: 0000000000000041 RSI: 0000000020000100 RDI: ffffffffffffff9c
RBP: 00007f16aae7a120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000006e R14: 00007f16ac238050 R15: 00007ffe4eb16a58
Modules linked in:
---[ end trace a1b39c8063f3f21a ]---
RIP: 0010:get_fuse_mount fs/fuse/fuse_i.h:927 [inline]
RIP: 0010:fuse_file_put+0x11d/0x2310 fs/fuse/file.c:125
Code: 01 00 00 00 89 de e8 92 4e 6c ff 83 fb 01 0f 85 ee 00 00 00 4d 8d 6c 24 28 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 35 9f a9 ff 4c 8d bc 24 c0 00 00 00
RSP: 0018:ffffc90000c66f00 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffff88811471e2c0 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000c672a0 R08: ffffffff81fe554e R09: ffffed102b4afa46
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000028 R14: ffff88815a57d200 R15: ffff88815a57d228
FS:  00007f16aae7a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 00000001143ab000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	01 00                	add    %eax,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	89 de                	mov    %ebx,%esi
   6:	e8 92 4e 6c ff       	call   0xff6c4e9d
   b:	83 fb 01             	cmp    $0x1,%ebx
   e:	0f 85 ee 00 00 00    	jne    0x102
  14:	4d 8d 6c 24 28       	lea    0x28(%r12),%r13
  19:	4c 89 e8             	mov    %r13,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ef             	mov    %r13,%rdi
  33:	e8 35 9f a9 ff       	call   0xffa99f6d
  38:	4c 8d bc 24 c0 00 00 	lea    0xc0(%rsp),%r15
  3f:	00