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| author |   Alexei Starovoitov <ast@plumgrid.com> | 2014-12-10 20:14:55 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-12-10 23:34:27 -0500 |
| commit | 198bf1b046e370a7d3987b195cff5f1efebec3ac (patch) | |
| tree | bf46fa99273ce89e4d7f3ff2e000ec6fc41b9cb7 /drivers/net/ethernet | |
| parent | net: introduce helper macro for_each_cmsghdr (diff) | |
| download | linux-dev-198bf1b046e370a7d3987b195cff5f1efebec3ac.tar.xz linux-dev-198bf1b046e370a7d3987b195cff5f1efebec3ac.zip | |
net: sock: fix access via invalid file descriptor
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
0 files changed, 0 insertions, 0 deletions