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authorJoey Jiao <joeyjiaojg@gmail.com>2021-03-02 09:31:32 +0800
committerDmitry Vyukov <dvyukov@google.com>2021-03-05 20:05:43 +0100
commit69a06ca2b532ff4021a43fdead4e2ac1452a44c0 (patch)
tree3ed7ff70026f51ff0a8f980b5967daeb30bcad71 /tools/syz-cover
parent800618b02f4f840756eb4218603a313113f94f05 (diff)
all: add KernelModule cfg to show DLKM coverage
PC returned for dynamic loaded module (DLKM) is not parsed in coverage page. So the commit is to use DLKM modules' load address to restore the PC and show coverage data of DLKM. As the load address is written in cfg file, so kaslr needs to be disabled. And for linux target, load address is getting from /proc/modules during instance setup. For either manual or auto address setting case, name and path are needed in config kernel_modules, where name is module name on target. path is module unstripped object path on host. addr is decimal value of module load address on target. Example of config: "kernel_modules": [ { "name": "nf_nat", "path": "/usr/src/linux-source/net/netfilter/nf_nat.ko", "addr": 18446744072637911040 } ]
Diffstat (limited to 'tools/syz-cover')
-rw-r--r--tools/syz-cover/syz-cover.go2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/syz-cover/syz-cover.go b/tools/syz-cover/syz-cover.go
index 4c69b6c09..6e16b828d 100644
--- a/tools/syz-cover/syz-cover.go
+++ b/tools/syz-cover/syz-cover.go
@@ -67,7 +67,7 @@ func main() {
if err != nil {
tool.Fail(err)
}
- rg, err := cover.MakeReportGenerator(target, *flagVM, *flagKernelObj, *flagKernelSrc, *flagKernelBuildSrc, nil)
+ rg, err := cover.MakeReportGenerator(target, *flagVM, *flagKernelObj, *flagKernelSrc, *flagKernelBuildSrc, nil, nil)
if err != nil {
tool.Fail(err)
}