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util/winutil/s4u: fix token handle leak

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Fixes #14156

Signed-off-by: Aaron Klotz <aaron@tailscale.com>
This commit is contained in:
Aaron Klotz 2024-11-19 10:55:58 -07:00
parent 810da91a9e
commit 48343ee673
1 changed files with 4 additions and 1 deletions
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5
util/winutil/s4u/s4u_windows.go
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@ -17,6 +17,7 @@ import (
"slices" "slices"
"strconv" "strconv"
"strings" "strings"
"sync"
"sync/atomic" "sync/atomic"
"unsafe" "unsafe"
@ -128,9 +129,10 @@ func Login(logf logger.Logf, srcName string, u *user.User, capLevel CapabilityLe
if err != nil { if err != nil {
return nil, err return nil, err
} }
tokenCloseOnce := sync.OnceFunc(func() { token.Close() })
defer func() { defer func() {
if err != nil { if err != nil {
token.Close() tokenCloseOnce()
} }
}() }()
@ -162,6 +164,7 @@ func Login(logf logger.Logf, srcName string, u *user.User, capLevel CapabilityLe
sessToken.Close() sessToken.Close()
} }
}() }()
tokenCloseOnce()
} }
userProfile, err := winutil.LoadUserProfile(sessToken, u) userProfile, err := winutil.LoadUserProfile(sessToken, u)