linux-kernel - Re: [syzbot] [btrfs?] WARNING in emit_fiemap

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Message-ID: <000000000000be8b800601a71d81@google.com>
Date:   Sat, 29 Jul 2023 14:45:30 -0700
From:   syzbot <syzbot+9992306148b06272f3bb@...kaller.appspotmail.com>
To:     axboe@...nel.dk, brauner@...nel.org, clm@...com,
        dhowells@...hat.com, dsterba@...e.com, dsterba@...e.cz, hch@....de,
        josef@...icpanda.com, linux-btrfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] WARNING in emit_fiemap_extent

syzbot suspects this issue was fixed by commit:

commit aa3dbde878961dd333cdd3c326b93e6c84a23ed4
Author: David Howells <dhowells@...hat.com>
Date:   Mon May 22 13:49:54 2023 +0000

    splice: Make splice from an O_DIRECT fd use copy_splice_read()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14dc6319a80000
start commit:   40f71e7cd3c6 Merge tag 'net-6.4-rc7' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7ff8f87c7ab0e04e
dashboard link: https://syzkaller.appspot.com/bug?extid=9992306148b06272f3bb
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10c65e87280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1094a78b280000

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

#syz fix: splice: Make splice from an O_DIRECT fd use copy_splice_read()

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