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: 3178 Comm: syzkaller934654 Not tainted 4.15.0-rc2-mm1+ #39
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+0x300/0xde0 crypto/blkcipher.c:123
RSP: 0018:ffff8801c472f720 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 000000000000000f RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
RBP: ffff8801c472f770 R08: ffffed0038ee6ff6 R09: 0000000000000000
R10: 0000000000000001 R11: ffffed0038ee6ff5 R12: ffff8801c472f8e8
R13: ffff8801c472f7d0 R14: ffff8801c472f818 R15: ffff8801c472f7f8
FS:  00007f662a62c700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6629e2ae78 CR3: 00000001c499c000 CR4: 00000000001406f0
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:243 [inline]
 aead_recvmsg+0x7ed/0x1bc0 crypto/algif_aead.c:329
 sock_recvmsg_nosec net/socket.c:809 [inline]
 sock_recvmsg+0xc9/0x110 net/socket.c:816
 ___sys_recvmsg+0x29b/0x630 net/socket.c:2185
 __sys_recvmsg+0xe2/0x210 net/socket.c:2230
 SYSC_recvmsg net/socket.c:2242 [inline]
 SyS_recvmsg+0x2d/0x50 net/socket.c:2237
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x445689
RSP: 002b:00007f662a62bdc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445689
RDX: 0000000000000000 RSI: 0000000020539fc8 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007f662a62c700 R09: 00007f662a62c700
R10: 00007f662a62c700 R11: 0000000000000202 R12: 0000000000000000
R13: 00007ffe2f07ea9f R14: 00007f662a62c9c0 R15: 0000000000000000
Code: 00 fc ff df 48 c1 e9 03 80 3c 11 00 0f 85 7a 09 00 00 48 8d 78 08 48 ba 00 00 00 00 00 fc ff df 49 89 45 20 48 89 f9 48 c1 e9 03 <0f> b6 14 11 84 d2 74 09 80 fa 03 0f 8e 3e 09 00 00 4c 89 f9 8b 
RIP: scatterwalk_start include/crypto/scatterwalk.h:86 [inline] RSP: ffff8801c472f720
RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff8801c472f720
RIP: scatterwalk_done include/crypto/scatterwalk.h:119 [inline] RSP: ffff8801c472f720
RIP: blkcipher_walk_done+0x300/0xde0 crypto/blkcipher.c:123 RSP: ffff8801c472f720
---[ end trace ba7a0ca2ade7f5f3 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..