linux-kernel - Re: [PATCH RESEND] 9p: Fix memory leak in v9fs

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Message-ID: <20200615102053.GA11026@nautica>
Date:   Mon, 15 Jun 2020 12:20:53 +0200
From:   Dominique Martinet <asmadeus@...ewreck.org>
To:     Zheng Bin <zhengbin13@...wei.com>
Cc:     ericvh@...il.com, lucho@...kov.net,
        v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        yi.zhang@...wei.com
Subject: Re: [PATCH RESEND] 9p: Fix memory leak in v9fs_mount

Zheng Bin wrote on Mon, Jun 15, 2020:
> v9fs_mount
>   v9fs_session_init
>     v9fs_cache_session_get_cookie
>       v9fs_random_cachetag                     -->alloc cachetag
>       v9ses->fscache = fscache_acquire_cookie  -->maybe NULL
>   sb = sget                                    -->fail, goto clunk
> clunk_fid:
>   v9fs_session_close
>     if (v9ses->fscache)                        -->NULL
>       kfree(v9ses->cachetag)
> 
> Thus memleak happens.
> 
> Signed-off-by: Zheng Bin <zhengbin13@...wei.com>

Thanks, will run tests & queue next weekend

-- 
Dominique