linux-next build error (6)

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: d26b0e22 Add linux-next specific files for 20191128
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=10b94536e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=7e1b037422e4486b
dashboard link: https://syzkaller.appspot.com/bug?extid=88f3974342fd0f011404
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+88f397...@syzkaller.appspotmail.com

failed to run ["make" "bzImage" "CC=/syzkaller/gcc/bin/gcc" "-j64"]: exit
status 2

---
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[Dmitry Vyukov]

syzbot distro does not provide pahole 1.13, so I followed the
suggestion and disabled CONFIG_DEBUG_INFO_BTF:
https://github.com/google/syzkaller/commit/861a5980df642d6b9fb59fda98d5a75a019f5f34
#syz invalid