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int overflow

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This commit is contained in:
chrislu
2025-09-04 08:08:36 -07:00
parent cd928f9f38
commit 31d5960f00
1 changed files with 4 additions and 3 deletions
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7
weed/query/engine/string_functions.go
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@@ -2,6 +2,7 @@ package engine
import ( import (
"fmt" "fmt"
"math"
"strings" "strings"
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb" "github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
@@ -265,14 +266,14 @@ func (e *SQLEngine) Left(value *schema_pb.Value, length *schema_pb.Value) (*sche
}, nil }, nil
} }
if int(lengthVal) >= len(str) { if lengthVal > int64(len(str)) || lengthVal > int64(math.MaxInt) {
return &schema_pb.Value{ return &schema_pb.Value{
Kind: &schema_pb.Value_StringValue{StringValue: str}, Kind: &schema_pb.Value_StringValue{StringValue: str},
}, nil }, nil
} }
return &schema_pb.Value{ return &schema_pb.Value{
Kind: &schema_pb.Value_StringValue{StringValue: str[:lengthVal]}, Kind: &schema_pb.Value_StringValue{StringValue: str[:int(lengthVal)]},
}, nil }, nil
} }
@@ -298,7 +299,7 @@ func (e *SQLEngine) Right(value *schema_pb.Value, length *schema_pb.Value) (*sch
}, nil }, nil
} }
if int(lengthVal) >= len(str) { if lengthVal > int64(len(str)) || lengthVal > int64(math.MaxInt) {
return &schema_pb.Value{ return &schema_pb.Value{
Kind: &schema_pb.Value_StringValue{StringValue: str}, Kind: &schema_pb.Value_StringValue{StringValue: str},
}, nil }, nil