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sshd/terminal/terminal.go: Clamp pos to protect from some fuzzing failures

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This commit is contained in:
Andrey Petrov 2021-10-13 10:43:49 -04:00
parent db14517499
commit 0eebb64c1d
1 changed files with 4 additions and 0 deletions
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4
sshd/terminal/terminal.go
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@ -264,6 +264,10 @@ func (t *Terminal) moveCursorToPos(pos int) {
return return
} }
if pos > len(t.line) {
pos = len(t.line)
}
x := visualLength(t.prompt) + visualLength(t.line[:pos]) x := visualLength(t.prompt) + visualLength(t.line[:pos])
y := x / t.termWidth y := x / t.termWidth
x = x % t.termWidth x = x % t.termWidth