lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Mon, 7 Sep 2020 12:10:14 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Hoang Huu Le <hoang.h.le@...tech.com.au>
Cc:     ying.xue@...driver.com, netdev@...r.kernel.org, jmaloy@...hat.com,
        maloy@...jonn.com,
        syzbot+d5aa7e0385f6a5d0f4fd@...kaller.appspotmail.com
Subject: Re: [net-next v2] tipc: fix a deadlock when flushing scheduled work

On Mon,  7 Sep 2020 13:00:07 +0700 Hoang Huu Le wrote:
> In the commit fdeba99b1e58
> ("tipc: fix use-after-free in tipc_bcast_get_mode"), we're trying
> to make sure the tipc_net_finalize_work work item finished if it
> enqueued. But calling flush_scheduled_work() is not just affecting
> above work item but either any scheduled work. This has turned out
> to be overkill and caused to deadlock as syzbot reported:

Applied, thanks.

Powered by blists - more mailing lists