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 linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 12 Jun 2020 17:22:50 +0800 From: "wanghai (M)" <wanghai38@...wei.com> To: Dominique Martinet <asmadeus@...ewreck.org> CC: <ericvh@...il.com>, <lucho@...kov.net>, <davem@...emloft.net>, <v9fs-developer@...ts.sourceforge.net>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2] 9p/trans_fd: Fix concurrency del of req_list in p9_fd_cancelled/p9_read_work 在 2020/6/12 17:10, Dominique Martinet 写道: > Wang Hai wrote on Fri, Jun 12, 2020: >> p9_read_work and p9_fd_cancelled may be called concurrently. >> In some cases, req->req_list may be deleted by both p9_read_work >> and p9_fd_cancelled. >> >> We can fix it by ignoring replies associated with a cancelled >> request and ignoring cancelled request if message has been received >> before lock. >> >> Fixes: 60ff779c4abb ("9p: client: remove unused code and any reference to "cancelled" function") >> Reported-by: syzbot+77a25acfa0382e06ab23@...kaller.appspotmail.com >> Signed-off-by: Wang Hai <wanghai38@...wei.com> > Thanks! looks good to me, I'll queue for 5.9 as well unless you're in a > hurry. Ok, thanks.
Powered by blists - more mailing lists