kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 24834 Comm: syz-executor3 Not tainted 4.15.0-rc3+ #162
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:86 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline]
RIP: 0010:scatterwalk_done include/crypto/scatterwalk.h:119 [inline]
RIP: 0010:blkcipher_walk_done+0x447/0xde0 crypto/blkcipher.c:125
RSP: 0018:ffff8801c524f860 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000fef RCX: ffff8801c524f950
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
RBP: ffff8801c524f8b0 R08: ffffed00354db782 R09: 0000000000000c10
R10: 0000000000000000 R11: ffffed00354db781 R12: ffff8801c524fa28
R13: ffff8801c524f910 R14: ffff8801c524f958 R15: ffff8801bdce84d0
FS:  00007f7ba581f700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204b1000 CR3: 00000001c41f2001 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skcipher_null_crypt+0x1da/0x2d0 crypto/crypto_null.c:91
 skcipher_crypt_blkcipher crypto/skcipher.c:622 [inline]
 skcipher_encrypt_blkcipher+0x213/0x310 crypto/skcipher.c:631
 crypto_skcipher_encrypt include/crypto/skcipher.h:445 [inline]
 crypto_aead_copy_sgl crypto/algif_aead.c:90 [inline]
 _aead_recvmsg crypto/algif_aead.c:225 [inline]
 aead_recvmsg+0xace/0x1bc0 crypto/algif_aead.c:329
 sock_recvmsg_nosec net/socket.c:801 [inline]
 sock_recvmsg+0xc9/0x110 net/socket.c:808
 SYSC_recvfrom+0x2e5/0x5a0 net/socket.c:1771
 SyS_recvfrom+0x40/0x50 net/socket.c:1743
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a09
RSP: 002b:00007f7ba581ec58 EFLAGS: 00000212 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007f7ba581f700 RCX: 0000000000452a09
RDX: 0000000000001000 RSI: 00000000206db000 RDI: 0000000000000014
RBP: 0000000000000000 R08: 0000000020bd7000 R09: 0000000000000080
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 0000000000a2f7ff R14: 00007f7ba581f9c0 R15: 0000000000000000
Code: c8 48 89 f7 48 c1 ef 03 80 3c 17 00 0f 85 53 08 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 45 38 48 89 fe 48 c1 ee 03 <0f> b6 14 16 84 d2 74 09 80 fa 03 0f 8e 37 07 00 00 48 89 ca 44 
RIP: scatterwalk_start include/crypto/scatterwalk.h:86 [inline] RSP: ffff8801c524f860
RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff8801c524f860
RIP: scatterwalk_done include/crypto/scatterwalk.h:119 [inline] RSP: ffff8801c524f860
RIP: blkcipher_walk_done+0x447/0xde0 crypto/blkcipher.c:125 RSP: ffff8801c524f860
---[ end trace 5d87072ab48b1e12 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..