Re: BUG: corrupted list in p9_write_work

syzbot suspects this bug was fixed by commit:

commit 728356dedeff8ef999cb436c71333ef4ac51a81c
Author: Tomas Bortoli [off-list ref]
Date:   Tue Aug 14 17:43:42 2018 +0000

     9p: Add refcount to p9_req_t

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10f2258a600000
start commit:   050cdc6c Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=49927b422dcf0b29
dashboard link: https://syzkaller.appspot.com/bug?extid=1788bd5d4e051da6ec08
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1196b7ba400000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1022391e400000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: 9p: Add refcount to p9_req_t

For information about bisection process see: https://goo.gl/tpsmEJ#bisection