Re: [PATCH] fuse: disable irqs for fuse_iqueue::waitq.lock

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Eric Biggers <ebiggers@xxxxxxxxxx>
Subject: Re: [PATCH] fuse: disable irqs for fuse_iqueue::waitq.lock
From: Miklos Szeredi <miklos@xxxxxxxxxx>
Date: Tue, 3 Sep 2019 09:31:29 +0200
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-aio <linux-aio@xxxxxxxxx>, Benjamin LaHaise <bcrl@xxxxxxxxx>, syzkaller-bugs <syzkaller-bugs@xxxxxxxxxxxxxxxx>, stable <stable@xxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>
In-reply-to: <20190822233529.4176-1-ebiggers@kernel.org>

On Fri, Aug 23, 2019 at 1:35 AM Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
>
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> When IOCB_CMD_POLL is used on the FUSE device, aio_poll() disables IRQs
> and takes kioctx::ctx_lock, then fuse_iqueue::waitq.lock.

Not in -linus.

Which tree was this reproduced with?

Thanks,
Miklos

Follow-Ups:
- Re: [PATCH] fuse: disable irqs for fuse_iqueue::waitq.lock
  - From: Eric Biggers

References:
- possible deadlock in io_submit_one (2)
  - From: syzbot

Prev by Date: Re: [PATCH 00/21] erofs: patchset addressing Christoph's comments
Next by Date: Re: [PATCH v3 00/13] virtio-fs: shared file system for virtual machines
Previous by thread: possible deadlock in io_submit_one (2)
Next by thread: Re: [PATCH] fuse: disable irqs for fuse_iqueue::waitq.lock
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [Samba] [Device Mapper] [CEPH Development]

Powered by Linux