syzbot has bisected this bug to:
commit 44e63c4a026325d2e085e46502121ea533a6e315
Author: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Date: Thu Mar 28 23:02:05 2019 +0000
fs/binfmt_elf.c: free PT_INTERP filename ASAP
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11d5c23f200000
start commit: 1baf02ec Add linux-next specific files for 20190329
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=13d5c23f200000
console output: https://syzkaller.appspot.com/x/log.txt?x=15d5c23f200000
kernel config: https://syzkaller.appspot.com/x/.config?x=9d8e70f94f3533a7
dashboard link: https://syzkaller.appspot.com/bug?extid=0d1fcd7268b21baced4a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=125ca12f200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11e1123f200000
Reported-by: syzbot+0d1fcd7268b21baced4a@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 44e63c4a0263 ("fs/binfmt_elf.c: free PT_INTERP filename ASAP")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
