BUG: unable to handle page fault for address: fffffffffffffff0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD cd7a067 P4D cd7a067 PUD cd7c067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 423 Comm: syz-executor.3 Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:set_gid fs/tracefs/inode.c:224 [inline]
RIP: 0010:tracefs_apply_options.isra.0+0x3c2/0x9c0 fs/tracefs/inode.c:337
Code: 4c 89 ff 48 83 ef 10 74 45 48 89 7c 24 10 e8 f5 d1 41 fe 48 8b 7c 24 10 48 89 fa 48 c1 ea 03 42 80 3c 22 00 0f 85 30 05 00 00 <49> 8b 47 f0 31 ff 83 e0 02 48 89 c6 48 89 44 24 10 e8 58 cd 41 fe
RSP: 0018:ffffc90003bcfcb0 EFLAGS: 00010246
RAX: 000000000000b057 RBX: ffff88802cc7c3f8 RCX: ffffc900054b3000
RDX: 1ffffffffffffffe RSI: ffffffff8344930b RDI: fffffffffffffff0
RBP: ffff8881044826a0 R08: 0000000000000001 R09: fffff52000779f88
R10: 0000000000000003 R11: 000000000000034c R12: dffffc0000000000
R13: ffff8881044827b8 R14: ffff88802cc7c380 R15: 0000000000000000
FS:  00007f41f00076c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 0000000038c9d000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tracefs_remount+0x6c/0x80 fs/tracefs/inode.c:353
 legacy_reconfigure+0x119/0x180 fs/fs_context.c:685
 reconfigure_super+0x44f/0xb10 fs/super.c:1143
 do_remount fs/namespace.c:2884 [inline]
 path_mount+0x16f2/0x1ed0 fs/namespace.c:3656
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount fs/namespace.c:3863 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f41ef27cce9
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:00007f41f00070c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f41ef39bf80 RCX: 00007f41ef27cce9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00007f41ef2c947a R08: 0000000020000000 R09: 0000000000000000
R10: 0000000002204c3b R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f41ef39bf80 R15: 00007fff5aa89618
 </TASK>
Modules linked in:
CR2: fffffffffffffff0
---[ end trace 0000000000000000 ]---
RIP: 0010:set_gid fs/tracefs/inode.c:224 [inline]
RIP: 0010:tracefs_apply_options.isra.0+0x3c2/0x9c0 fs/tracefs/inode.c:337
Code: 4c 89 ff 48 83 ef 10 74 45 48 89 7c 24 10 e8 f5 d1 41 fe 48 8b 7c 24 10 48 89 fa 48 c1 ea 03 42 80 3c 22 00 0f 85 30 05 00 00 <49> 8b 47 f0 31 ff 83 e0 02 48 89 c6 48 89 44 24 10 e8 58 cd 41 fe
RSP: 0018:ffffc90003bcfcb0 EFLAGS: 00010246
RAX: 000000000000b057 RBX: ffff88802cc7c3f8 RCX: ffffc900054b3000
RDX: 1ffffffffffffffe RSI: ffffffff8344930b RDI: fffffffffffffff0
RBP: ffff8881044826a0 R08: 0000000000000001 R09: fffff52000779f88
R10: 0000000000000003 R11: 000000000000034c R12: dffffc0000000000
R13: ffff8881044827b8 R14: ffff88802cc7c380 R15: 0000000000000000
FS:  00007f41f00076c0(0000) GS:ffff88806b700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff0 CR3: 0000000038c9d000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4c 89 ff             	mov    %r15,%rdi
   3:	48 83 ef 10          	sub    $0x10,%rdi
   7:	74 45                	je     0x4e
   9:	48 89 7c 24 10       	mov    %rdi,0x10(%rsp)
   e:	e8 f5 d1 41 fe       	call   0xfe41d208
  13:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  18:	48 89 fa             	mov    %rdi,%rdx
  1b:	48 c1 ea 03          	shr    $0x3,%rdx
  1f:	42 80 3c 22 00       	cmpb   $0x0,(%rdx,%r12,1)
  24:	0f 85 30 05 00 00    	jne    0x55a
* 2a:	49 8b 47 f0          	mov    -0x10(%r15),%rax <-- trapping instruction
  2e:	31 ff                	xor    %edi,%edi
  30:	83 e0 02             	and    $0x2,%eax
  33:	48 89 c6             	mov    %rax,%rsi
  36:	48 89 44 24 10       	mov    %rax,0x10(%rsp)
  3b:	e8 58 cd 41 fe       	call   0xfe41cd98