Messages in this thread | | | Date | Wed, 10 Dec 2014 23:34:42 -0500 (EST) | Subject | Re: [PATCH net-next] net: sock: fix access via invalid file descriptor | From | David Miller <> |
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From: Alexei Starovoitov <ast@plumgrid.com> Date: Wed, 10 Dec 2014 20:14:55 -0800
> 0day robot reported the following crash: > [ 21.233581] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007 > [ 21.234709] IP: [<ffffffff8156ebda>] sk_attach_bpf+0x39/0xc2 > > It's due to bpf_prog_get() returning ERR_PTR. > Check it properly. > > Reported-by: Fengguang Wu <fengguang.wu@intel.com> > Fixes: 89aa075832b0 ("net: sock: allow eBPF programs to be attached to sockets") > Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> > --- > Silly mistake. I was sure I've checked this error path. Apparently not :(
Applied, thanks Alexei.
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