Messages in this thread | | | Date | Sat, 13 Sep 2014 17:38:05 -0400 (EDT) | Subject | Re: [PATCH] net: bpf: correctly handle errors in sk_attach_filter() | From | David Miller <> |
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From: Sasha Levin <sasha.levin@oracle.com> Date: Sat, 13 Sep 2014 00:06:30 -0400
> Commit "net: bpf: make eBPF interpreter images read-only" has changed bpf_prog > to be vmalloc()ed but never handled some of the errors paths of the old code. > > On error within sk_attach_filter (which userspace can easily trigger), we'd > kfree() the vmalloc()ed memory, and leak the internal bpf_work_struct. > > Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Applied.
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