syzbot has bisected this issue to:
commit 54640c7502e5ed41fbf4eedd499e85f9acc9698f
Author: Ernesto A. Fernández <ernesto.mnd.fernandez@xxxxxxxxx>
Date: Tue Oct 30 22:06:17 2018 +0000
hfs: prevent btree data loss on ENOSPC
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1121e49ae80000
start commit: 610a9b8f49fb Linux 6.7-rc8
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1321e49ae80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1521e49ae80000
kernel config: https://syzkaller.appspot.com/x/.config?x=247b5a935d307ee5
dashboard link: https://syzkaller.appspot.com/bug?extid=41a88b825a315aac2254
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1552fe19e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1419bcade80000
Reported-by: syzbot+41a88b825a315aac2254@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 54640c7502e5 ("hfs: prevent btree data loss on ENOSPC")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
