Oops: general protection fault, probably for non-canonical address 0xdffffc0000000016: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000b0-0x00000000000000b7]
CPU: 1 UID: 0 PID: 9076 Comm: syz.2.881 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:create_link fs/configfs/symlink.c:81 [inline]
RIP: 0010:configfs_symlink+0x5a6/0x11f0 fs/configfs/symlink.c:199
Code: 3c 02 00 0f 85 2b 0b 00 00 48 8b 44 24 20 48 8b 68 48 48 b8 00 00 00 00 00 fc ff df 48 8d bd b0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f6 0a 00 00 48 8b 85 b0 00 00 00 48 89 c7 48 89
RSP: 0018:ffffc90003507cb8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880008022f0 RCX: fffff520006a0f72
RDX: 0000000000000016 RSI: ffffffff8c621900 RDI: 00000000000000b0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff228a0cb
R10: ffffc90003507cb8 R11: 000000000000001f R12: ffff8880137c17c0
R13: ffff8880137c1898 R14: ffff888025df2400 R15: ffff88806a1ac800
FS:  0000000000000000(0000) GS:ffff888096a6d000(0063) knlGS:00000000f5048b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5047ff4 CR3: 0000000040b2f000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 vfs_symlink fs/namei.c:5794 [inline]
 vfs_symlink+0x178/0x4d0 fs/namei.c:5773
 filename_symlinkat+0x2a6/0x560 fs/namei.c:5819
 __do_sys_symlink fs/namei.c:5846 [inline]
 __se_sys_symlink fs/namei.c:5842 [inline]
 __ia32_sys_symlink+0x78/0xb0 fs/namei.c:5842
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf70befec
Code: Unable to access opcode bytes at 0xf70befc2.
RSP: 002b:00000000f504850c EFLAGS: 00000292 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 0000000080000700 RCX: 0000000080000800
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:create_link fs/configfs/symlink.c:81 [inline]
RIP: 0010:configfs_symlink+0x5a6/0x11f0 fs/configfs/symlink.c:199
Code: 3c 02 00 0f 85 2b 0b 00 00 48 8b 44 24 20 48 8b 68 48 48 b8 00 00 00 00 00 fc ff df 48 8d bd b0 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f6 0a 00 00 48 8b 85 b0 00 00 00 48 89 c7 48 89
RSP: 0018:ffffc90003507cb8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880008022f0 RCX: fffff520006a0f72
RDX: 0000000000000016 RSI: ffffffff8c621900 RDI: 00000000000000b0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff228a0cb
R10: ffffc90003507cb8 R11: 000000000000001f R12: ffff8880137c17c0
R13: ffff8880137c1898 R14: ffff888025df2400 R15: ffff88806a1ac800
FS:  0000000000000000(0000) GS:ffff888096a6d000(0063) knlGS:00000000f5048b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f70bf000 CR3: 0000000040b2f000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	3c 02                	cmp    $0x2,%al
   2:	00 0f                	add    %cl,(%rdi)
   4:	85 2b                	test   %ebp,(%rbx)
   6:	0b 00                	or     (%rax),%eax
   8:	00 48 8b             	add    %cl,-0x75(%rax)
   b:	44 24 20             	rex.R and $0x20,%al
   e:	48 8b 68 48          	mov    0x48(%rax),%rbp
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df
  1c:	48 8d bd b0 00 00 00 	lea    0xb0(%rbp),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 f6 0a 00 00    	jne    0xb2a
  34:	48 8b 85 b0 00 00 00 	mov    0xb0(%rbp),%rax
  3b:	48 89 c7             	mov    %rax,%rdi
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89