yujunjun/v2ray-core
1
0
Fork 0
mirror of https://github.com/v2fly/v2ray-core.git synced 2025-07-23 17:00:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix: core panics when zero domain/full type of rule (#786)

Browse Source
This commit is contained in:
DarthVader 2021-03-16 19:07:32 +08:00 committed by GitHub
parent f9ac31853e
commit c71ae9b310
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
common/strmatcher/mph_matcher.go
View File

@ -94,6 +94,10 @@ func (g *MphMatcherGroup) Build() {
g.ac.Build() g.ac.Build()
} }
keyLen := len(*g.ruleMap) keyLen := len(*g.ruleMap)
if keyLen == 0 {
keyLen = 1
(*g.ruleMap)["empty___"] = RollingHash("empty___")
}
g.level0 = make([]uint32, nextPow2(keyLen/4)) g.level0 = make([]uint32, nextPow2(keyLen/4))
g.level0Mask = len(g.level0) - 1 g.level0Mask = len(g.level0) - 1
g.level1 = make([]uint32, nextPow2(keyLen)) g.level1 = make([]uint32, nextPow2(keyLen))