general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 10095 Comm: kworker/u4:10 Not tainted 6.2.0-syzkaller-05251-g5b7c4cabbb65 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: pencrypt_parallel padata_parallel_worker
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:63 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:83 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:72 [inline]
RIP: 0010:scatterwalk_copychunks+0x3ab/0x530 crypto/scatterwalk.c:50
Code: 0b 96 32 00 49 89 c4 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 0f 85 7a 01 00 00 49 8d 44 24 08 4d 89 26 48 89 44 24 18 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e 49 01 00 00 48 8b 44 24 10
RSP: 0018:ffffc9000ccdf628 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880265a57c0 RSI: ffffffff841b3bb4 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 1ffffffff21b52f8 R12: 0000000000000000
R13: 0000000000000001 R14: ffffc9000ccdf878 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda0f3821b8 CR3: 000000004eae7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skcipher_next_slow crypto/skcipher.c:264 [inline]
 skcipher_walk_next+0x7af/0x15e0 crypto/skcipher.c:349
 skcipher_walk_first+0xf8/0x3c0 crypto/skcipher.c:432
 skcipher_walk_aead_common+0x7a5/0xbc0 crypto/skcipher.c:525
 gcmaes_crypt_by_sg+0x319/0x7d0 arch/x86/crypto/aesni-intel_glue.c:725
 gcmaes_encrypt+0xe2/0x230 arch/x86/crypto/aesni-intel_glue.c:789
 generic_gcmaes_encrypt+0x132/0x1a0 arch/x86/crypto/aesni-intel_glue.c:1170
 crypto_aead_encrypt+0xae/0xf0 crypto/aead.c:94
 crypto_aead_encrypt+0xae/0xf0 crypto/aead.c:94
 pcrypt_aead_enc+0x17/0x70 crypto/pcrypt.c:83
 padata_parallel_worker+0x64/0xb0 kernel/padata.c:152
 process_one_work+0x9bf/0x1820 kernel/workqueue.c:2390
 worker_thread+0x669/0x1090 kernel/workqueue.c:2537
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:63 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:83 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:72 [inline]
RIP: 0010:scatterwalk_copychunks+0x3ab/0x530 crypto/scatterwalk.c:50
Code: 0b 96 32 00 49 89 c4 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 0f 85 7a 01 00 00 49 8d 44 24 08 4d 89 26 48 89 44 24 18 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 03 0f 8e 49 01 00 00 48 8b 44 24 10
RSP: 0018:ffffc9000ccdf628 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880265a57c0 RSI: ffffffff841b3bb4 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 1ffffffff21b52f8 R12: 0000000000000000
R13: 0000000000000001 R14: ffffc9000ccdf878 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda0f3821b8 CR3: 000000004eae7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	96                   	xchg   %eax,%esi
   1:	32 00                	xor    (%rax),%al
   3:	49 89 c4             	mov    %rax,%r12
   6:	4c 89 f0             	mov    %r14,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  12:	0f 85 7a 01 00 00    	jne    0x192
  18:	49 8d 44 24 08       	lea    0x8(%r12),%rax
  1d:	4d 89 26             	mov    %r12,(%r14)
  20:	48 89 44 24 18       	mov    %rax,0x18(%rsp)
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e 49 01 00 00    	jle    0x183
  3a:	48 8b 44 24 10       	mov    0x10(%rsp),%rax