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| author | Dmitry Vyukov <dvyukov@google.com> | 2018-02-24 14:33:36 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2018-02-25 18:22:02 +0100 |
| commit | 9fe8aa42c5bd11e2eb6952a16da6287205d7bf97 (patch) | |
| tree | 7cf636dd611cb2a338cfeba13607b8e152545f19 /sys/linux/init_iptables.go | |
| parent | 2145057cb8a50aba1a27a67be19953bee9b164fd (diff) | |
prog: add arbitrary mutation of complex structs
Squash complex structs into flat byte array and mutate this array
with generic blob mutations. This allows to mutate what we currently
consider as paddings and add/remove paddings from structs, etc.
Diffstat (limited to 'sys/linux/init_iptables.go')
| -rw-r--r-- | sys/linux/init_iptables.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/linux/init_iptables.go b/sys/linux/init_iptables.go index d0e776045..86001b4c3 100644 --- a/sys/linux/init_iptables.go +++ b/sys/linux/init_iptables.go @@ -117,6 +117,9 @@ func (arch *arch) generateEbtables(g *prog.Gen, typ prog.Type, old prog.Arg) ( arg = old calls = g.MutateArg(arg) } + if g.Target().ArgContainsAny(arg) { + return + } hooksField, entriesField := 4, 7 if g.Target().PtrSize == 8 { // Account for paddings. @@ -155,6 +158,7 @@ func (arch *arch) generateEbtables(g *prog.Gen, typ prog.Type, old prog.Arg) ( } hookArg.Val = addr } + // TODO(dvyukov): assign jump targets for targets. return } |