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e8ddc2ae56
Currently we always enable clock_gettime in config. This is required since the call is needed for generation of timespec/timeval structs. The negative side effect is that one gets clock_gettime even if he wants to fuzz a small set of unrelated syscalls. Don't enable clock_gettime by default. Instead handle timeval/timespec as other resources.
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright 2015 syzkaller project authors. All rights reserved.
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// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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package sys
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import (
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"testing"
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)
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func TestTransitivelyEnabledCalls(t *testing.T) {
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calls := make(map[*Call]bool)
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for _, c := range Calls {
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calls[c] = true
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}
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if trans := TransitivelyEnabledCalls(calls); len(calls) != len(trans) {
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for c := range calls {
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if !trans[c] {
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t.Logf("disabled %v", c.Name)
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}
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}
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t.Fatalf("can't create some resource")
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}
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delete(calls, CallMap["epoll_create"])
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if trans := TransitivelyEnabledCalls(calls); len(calls) != len(trans) {
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t.Fatalf("still must be able to create epoll fd with epoll_create1")
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}
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delete(calls, CallMap["epoll_create1"])
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trans := TransitivelyEnabledCalls(calls)
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if len(calls)-3 != len(trans) ||
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trans[CallMap["epoll_ctl"]] ||
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trans[CallMap["epoll_wait"]] ||
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trans[CallMap["epoll_pwait"]] {
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t.Fatalf("epoll fd is not disabled")
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}
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}
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func TestClockGettime(t *testing.T) {
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calls := make(map[*Call]bool)
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for _, c := range Calls {
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calls[c] = true
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}
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// Removal of clock_gettime should disable all calls that accept timespec/timeval.
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delete(calls, CallMap["clock_gettime"])
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trans := TransitivelyEnabledCalls(calls)
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if len(trans)+10 > len(calls) {
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t.Fatalf("clock_gettime did not disable enough calls: before %v, after %v", len(calls), len(trans))
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}
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}
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