Re: BUG: corrupted list in p9_write_work

From: syzbot
Date: Thu Nov 07 2019 - 08:43:17 EST


syzbot suspects this bug was fixed by commit:

commit 728356dedeff8ef999cb436c71333ef4ac51a81c
Author: Tomas Bortoli <tomasbortoli@xxxxxxxxx>
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