general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 33 Comm: kworker/u4:2 Not tainted 5.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt_parallel padata_parallel_worker
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:68 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:93 [inline]
RIP: 0010:scatterwalk_done include/crypto/scatterwalk.h:101 [inline]
RIP: 0010:gcmaes_crypt_by_sg.constprop.6+0x10fd/0x1810 arch/x86/crypto/aesni-intel_glue.c:761
Code: 00 00 4c 8b 94 24 a8 00 00 00 e9 a3 fd ff ff 4c 89 ef e8 36 e9 4c 02 49 89 c5 48 8d 40 08 48 89 84 24 98 00 00 00 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e ea 05 00 00 41 8b 45 08 89
RSP: 0018:ffffc90000e87840 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff110160fe04b RSI: ffff8880b07f0264 RDI: ffff8880b07f0258
RBP: ffffc90000e87c10 R08: ffff8880b07f0650 R09: 0000000000000005
R10: 000000000000401b R11: ffff8880b07f030c R12: ffff8880b07f0300
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000004001
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f227f19f080 CR3: 000000009e41e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace c7abea9ec9484b43 ]---
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:68 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:93 [inline]
RIP: 0010:scatterwalk_done include/crypto/scatterwalk.h:101 [inline]
RIP: 0010:gcmaes_crypt_by_sg.constprop.6+0x10fd/0x1810 arch/x86/crypto/aesni-intel_glue.c:761
Code: 00 00 4c 8b 94 24 a8 00 00 00 e9 a3 fd ff ff 4c 89 ef e8 36 e9 4c 02 49 89 c5 48 8d 40 08 48 89 84 24 98 00 00 00 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e ea 05 00 00 41 8b 45 08 89
RSP: 0018:ffffc90000e87840 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff110160fe04b RSI: ffff8880b07f0264 RDI: ffff8880b07f0258
RBP: ffffc90000e87c10 R08: ffff8880b07f0650 R09: 0000000000000005
R10: 000000000000401b R11: ffff8880b07f030c R12: ffff8880b07f0300
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000004001
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f227f19f080 CR3: 000000009e41e000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	4c 8b 94 24 a8 00 00 	mov    0xa8(%rsp),%r10
   9:	00 
   a:	e9 a3 fd ff ff       	jmpq   0xfffffdb2
   f:	4c 89 ef             	mov    %r13,%rdi
  12:	e8 36 e9 4c 02       	callq  0x24ce94d
  17:	49 89 c5             	mov    %rax,%r13
  1a:	48 8d 40 08          	lea    0x8(%rax),%rax
  1e:	48 89 84 24 98 00 00 	mov    %rax,0x98(%rsp)
  25:	00 
  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:	74 08                	je     0x3b
  33:	3c 03                	cmp    $0x3,%al
  35:	0f 8e ea 05 00 00    	jle    0x625
  3b:	41 8b 45 08          	mov    0x8(%r13),%eax
  3f:	89                   	.byte 0x89