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From: Al Viro <viro@zeniv.linux.org.uk>
To: syzbot <syzbot+5b1e53987f858500ec00@syzkaller.appspotmail.com>
Cc: hdanton@sina.com, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] WARNING in mntput_no_expire (3)
Date: Wed, 18 May 2022 01:10:20 +0000	[thread overview]
Message-ID: <YoRHfB7lEGUwQBGU@zeniv-ca.linux.org.uk> (raw)
In-Reply-To: <YoRFAoe99ob/YzD5@zeniv-ca.linux.org.uk>

On Wed, May 18, 2022 at 12:59:46AM +0000, Al Viro wrote:
> On Tue, May 17, 2022 at 10:58:15PM +0000, Al Viro wrote:
> > On Tue, May 17, 2022 at 03:49:07PM -0700, syzbot wrote:
> > > Hello,
> > > 
> > > syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> > > WARNING in mntput_no_expire
> > 
> > Obvious question: which filesystem it is?
> 
> FWIW, can't reproduce here - at least not with C reproducer +
> -rc7^ kernel + .config from report + debian kvm image (bullseye,
> with systemd shite replaced with sysvinit, which might be relevant).
> 
> In case systemd-specific braindamage is needed to reproduce it...
> Hell knows; at least mount --make-rshared / doesn't seem to suffice.

... doesn't reproduce with genuine systemd either.  FWIW, 4-way SMP
setup here.

  reply	other threads:[~2022-05-18  1:11 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20220517223806.2299-1-hdanton@sina.com>
2022-05-17 22:49 ` [syzbot] WARNING in mntput_no_expire (3) syzbot
2022-05-17 22:58   ` Al Viro
2022-05-18  0:59     ` Al Viro
2022-05-18  1:10       ` Al Viro [this message]
2022-05-18  1:58         ` Al Viro
2022-05-18  4:38           ` Al Viro
2022-05-18  4:57             ` Al Viro
2022-05-18  5:37               ` Al Viro
2022-05-18  6:25                 ` Al Viro
2022-05-18  6:45                   ` syzbot
     [not found] <20220518104052.2373-1-hdanton@sina.com>
2022-05-18 11:00 ` syzbot
     [not found] <20220517111247.2103-1-hdanton@sina.com>
2022-05-17 11:35 ` syzbot
     [not found] <20220516233918.2046-1-hdanton@sina.com>
2022-05-17  2:57 ` syzbot
     [not found] <20220516122225.1986-1-hdanton@sina.com>
2022-05-16 12:33 ` syzbot
     [not found] <20220515133111.1864-1-hdanton@sina.com>
2022-05-15 13:42 ` syzbot
     [not found] <20220515094719.1786-1-hdanton@sina.com>
2022-05-15  9:59 ` syzbot
     [not found] <20220515050556.1646-1-hdanton@sina.com>
2022-05-15  7:52 ` syzbot
     [not found] <20220515012731.1529-1-hdanton@sina.com>
2022-05-15  7:23 ` syzbot
     [not found] <20220514233453.1426-1-hdanton@sina.com>
2022-05-15  0:22 ` syzbot
     [not found] <20220514132858.1322-1-hdanton@sina.com>
2022-05-14 13:40 ` syzbot
     [not found] <20220514114718.1254-1-hdanton@sina.com>
2022-05-14 11:59 ` syzbot
     [not found] <20220514084129.1104-1-hdanton@sina.com>
2022-05-14  9:20 ` syzbot
     [not found] <20220514073117.965-1-hdanton@sina.com>
2022-05-14  7:42 ` syzbot
     [not found] <20220514062752.900-1-hdanton@sina.com>
2022-05-14  6:38 ` syzbot
     [not found] <20220514005032.346-1-hdanton@sina.com>
2022-05-14  1:30 ` syzbot
     [not found] <20220513144536.279-1-hdanton@sina.com>
2022-05-13 15:14 ` syzbot
     [not found] <20220513134852.6446-1-hdanton@sina.com>
2022-05-13 14:12 ` syzbot
     [not found] <20220513123641.6379-1-hdanton@sina.com>
2022-05-13 12:48 ` syzbot
     [not found] <20220512133426.6300-1-hdanton@sina.com>
2022-05-12 14:05 ` syzbot
     [not found] <20220512120234.6088-1-hdanton@sina.com>
2022-05-12 12:20 ` syzbot
     [not found] <20220511135117.5993-1-hdanton@sina.com>
2022-05-11 14:03 ` syzbot
2021-11-15 22:27 syzbot
2022-05-11  5:34 ` syzbot

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