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crypto/tls: add missing RUnlock in ticketKeys

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If GetConfigForClient returns a tls.Config that has
SessionTicketsDisabled set, the TLS server handshake currently leaves
the Config's internal RWMutex read locked after calculating the
ticketKeys to use for the handshake.

Change-Id: I07e450a0d2edda9e80f51fc2c20af633aa271684
GitHub-Last-Rev: 693d7ac
GitHub-Pull-Request: #68607
Reviewed-on: https://go-review.googlesource.com/c/go/+/601335
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Sean Liao <sean@liao.dev>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Roland Shoemaker <roland@golang.org>
This commit is contained in:
yuhan6665 2025-05-10 23:12:35 -04:00
parent fd9059aef1
commit 989cf77b4e
1 changed files with 1 additions and 0 deletions
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1
common.go
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@ -1039,6 +1039,7 @@ func (c *Config) ticketKeys(configForClient *Config) []ticketKey {
if configForClient != nil { if configForClient != nil {
configForClient.mutex.RLock() configForClient.mutex.RLock()
if configForClient.SessionTicketsDisabled { if configForClient.SessionTicketsDisabled {
configForClient.mutex.RUnlock()
return nil return nil
} }
configForClient.initLegacySessionTicketKeyRLocked() configForClient.initLegacySessionTicketKeyRLocked()