Messages in this thread | | | Date | Wed, 19 Aug 2020 07:45:34 +0200 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 4.19 073/168] media: firewire: Using uninitialized values in node_probe() |
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On Tue, Aug 18, 2020 at 11:34:53PM +0200, Pavel Machek wrote: > Hi! > > > From: Dan Carpenter <dan.carpenter@oracle.com> > > > > [ Upstream commit 2505a210fc126599013aec2be741df20aaacc490 ] > > > > If fw_csr_string() returns -ENOENT, then "name" is uninitialized. So > > then the "strlen(model_names[i]) <= name_len" is true because strlen() > > is unsigned and -ENOENT is type promoted to a very high positive value. > > Then the "strncmp(name, model_names[i], name_len)" uses uninitialized > > data because "name" is uninitialized. > > This causes memory leak, AFAICT. > > Signed-off-by: Pavel Machek (CIP) <pavel@denx.de>
Again, this is not how to submit patches, and you know this.
You are one more email-like-this away from my circular-file filter...
greg k-h
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