linux-kernel - Re: [syzbot] INFO: task hung in ext4_put

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Message-ID: <000000000000f36f9505c73ae373@google.com>
Date:   Fri, 16 Jul 2021 03:17:09 -0700
From:   syzbot <syzbot+deb25600c2fd79ffd367@...kaller.appspotmail.com>
To:     adilger.kernel@...ger.ca, clang-built-linux@...glegroups.com,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        nathan@...nel.org, ndesaulniers@...gle.com, paskripkin@...il.com,
        syzkaller-bugs@...glegroups.com, tytso@....edu
Subject: Re: [syzbot] INFO: task hung in ext4_put_super

syzbot suspects this issue was fixed by commit:

commit 618f003199c6188e01472b03cdbba227f1dc5f24
Author: Pavel Skripkin <paskripkin@...il.com>
Date:   Fri Apr 30 18:50:46 2021 +0000

    ext4: fix memory leak in ext4_fill_super

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17ebaa22300000
start commit:   2f7b98d1e55c Merge tag 'drm-fixes-2021-04-16' of git://ano..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=398c4d0fe6f66e68
dashboard link: https://syzkaller.appspot.com/bug?extid=deb25600c2fd79ffd367
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=170d645ad00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16a03a2ed00000

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

#syz fix: ext4: fix memory leak in ext4_fill_super

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