BUG: unable to handle kernel paging request at 00000000b7085821
IP: crypto_chacha20_init crypto/chacha20_generic.c:58 [inline]
IP: crypto_chacha20_crypt+0x557/0xbd0 crypto/chacha20_generic.c:91
PGD 5e28067 P4D 5e28067 PUD 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
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Modules linked in:
CPU: 0 PID: 23 Comm: kworker/0:1 Not tainted 4.15.0-rc2+ #145
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: crypto cryptd_queue_worker
task: 000000002c24feef task.stack: 00000000103b9899
RIP: 0010:crypto_chacha20_init crypto/chacha20_generic.c:58 [inline]
RIP: 0010:crypto_chacha20_crypt+0x557/0xbd0 crypto/chacha20_generic.c:91
RSP: 0018:ffff8801d9d07040 EFLAGS: 00010246
RAX: ffff8801d9d070b0 RBX: 00000000e6000000 RCX: ffffffff82267c0b
RDX: 0000000000000000 RSI: ffff8801d9d07460 RDI: ffff8801d9d070dc
RBP: ffff8801d9d07260 R08: dffffc0000000000 R09: 1ffff1003b3a0e8f
R10: ffff8801d9d07280 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff00000003 R14: 0000000000000000 R15: ffff8801db15b7c0
FS:  0000000000000000(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff00000003 CR3: 00000001d8d90000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 chacha20_simd+0xe4/0x410 arch/x86/crypto/chacha20_glue.c:78
 crypto_skcipher_decrypt include/crypto/skcipher.h:463 [inline]
 cryptd_skcipher_decrypt+0x2de/0x5a0 crypto/cryptd.c:523
 cryptd_queue_worker+0xff/0x1b0 crypto/cryptd.c:190
 process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2112
 worker_thread+0x223/0x1990 kernel/workqueue.c:2246
 kthread+0x37a/0x440 kernel/kthread.c:238
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441
Code: df 89 9d 7c fe ff ff 48 c1 ea 03 0f b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 99 05 00 00 48 8b 85 28 fe ff ff <41> 8b 5d 00 48 8d 78 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 
RIP: crypto_chacha20_init crypto/chacha20_generic.c:58 [inline] RSP: ffff8801d9d07040
RIP: crypto_chacha20_crypt+0x557/0xbd0 crypto/chacha20_generic.c:91 RSP: ffff8801d9d07040
CR2: ffffffff00000003
---[ end trace 276e34e53d6a3cd7 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..