Description: 
References:
 https://syzkaller.appspot.com/bug?id=75903e0021cef79bc434d068b5169b599b2a46a9
Notes:
 carnil> Check if 3.16-upstream-stable fixes complete.
Bugs:
upstream: released (5.1-rc6) [2a3f7221acddfe1caa9ff09b3a8158c39b2fdeac, 8c2f870890fd28e023b0fcf49dcee333f2c8bad7]
4.19-upstream-stable: released (4.19.37) [b50e435df2d8b9a1d3e956e1c767dfc7e30a441b, 8a6f2ea0c3dd3de75cc344fe8d216457287a2ab2] 
4.9-upstream-stable: released  (4.9.171) [d944299e7a6fce01db3603bc55d51ef336c19cc4, a9f62dc69942e2a9aeedd9f5d238674cf1882138]
3.16-upstream-stable: released (3.16.72) [dbcb50792a5175b222c181bafa51f470550ba827]
sid: released (4.19.37-1)
4.19-buster-security: N/A "Fixed before branching point"
4.9-stretch-security:  released (4.9.184-1)
3.16-jessie-security: released (3.16.72-1)