RBP: 00007f3d7d5fe120 R08: 0000000020000400 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f3d7eb9bf80 R15: 00007ffedc544268
 </TASK>
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 9285 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller-00213-g791c8ab095f7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:autofs_fill_super+0x47d/0xb50 fs/autofs/inode.c:334
Code: 03 a0 dc 9f 8b 4d 8d 67 04 48 8b 14 24 48 89 d0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 58 03 00 00 8b 1a 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 4c 89 f5 0f 85 61 03 00 00 41 89 5f 04 4d 8d
RSP: 0018:ffffc900032ffc90 EFLAGS: 00010247
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffff888020152b40 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff88807dd44580 R08: 00000000ffffffff R09: 1ffffffff1b4556a
R10: dffffc0000000000 R11: fffffbfff1b4556b R12: 0000000000000004
R13: ffff88807dd44500 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f3d7d5fe6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff448a3b000 CR3: 000000001fc09000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_get_super fs/super.c:1338 [inline]
 get_tree_nodev+0xb4/0x140 fs/super.c:1357
 vfs_get_tree+0x8c/0x2a0 fs/super.c:1771
 do_new_mount+0x28f/0xae0 fs/namespace.c:3337
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f3d7ea7cae9
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:00007f3d7d5fe0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3d7eb9bf80 RCX: 00007f3d7ea7cae9
RDX: 0000000020000180 RSI: 00000000200001c0 RDI: 0000000000000000
RBP: 00007f3d7d5fe120 R08: 0000000020000400 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f3d7eb9bf80 R15: 00007ffedc544268
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:autofs_fill_super+0x47d/0xb50 fs/autofs/inode.c:334
Code: 03 a0 dc 9f 8b 4d 8d 67 04 48 8b 14 24 48 89 d0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 58 03 00 00 8b 1a 4c 89 e0 48 c1 e8 03 <42> 0f b6 04 30 84 c0 4c 89 f5 0f 85 61 03 00 00 41 89 5f 04 4d 8d
RSP: 0018:ffffc900032ffc90 EFLAGS: 00010247
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffff888020152b40 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff88807dd44580 R08: 00000000ffffffff R09: 1ffffffff1b4556a
R10: dffffc0000000000 R11: fffffbfff1b4556b R12: 0000000000000004
R13: ffff88807dd44500 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f3d7d5fe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3c02ffd03 CR3: 000000001fc09000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	03 a0 dc 9f 8b 4d    	add    0x4d8b9fdc(%rax),%esp
   6:	8d 67 04             	lea    0x4(%rdi),%esp
   9:	48 8b 14 24          	mov    (%rsp),%rdx
   d:	48 89 d0             	mov    %rdx,%rax
  10:	48 c1 e8 03          	shr    $0x3,%rax
  14:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
  19:	84 c0                	test   %al,%al
  1b:	0f 85 58 03 00 00    	jne    0x379
  21:	8b 1a                	mov    (%rdx),%ebx
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	4c 89 f5             	mov    %r14,%rbp
  34:	0f 85 61 03 00 00    	jne    0x39b
  3a:	41 89 5f 04          	mov    %ebx,0x4(%r15)
  3e:	4d                   	rex.WRB
  3f:	8d                   	.byte 0x8d