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| author | Zeke Lu <lvzecai@gmail.com> | 2022-09-26 14:53:54 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2022-09-26 20:36:02 +0000 |
| commit | 4da2bc2eebb480f1c2a726de05f4e085e97d3b6c (patch) | |
| tree | e9255cd2bba963635cc8a4e5116ba11a3c3b739a /src/internal/coverage/stringtab/stringtab.go | |
| parent | bd8a5b00fcf71fb711ba8996a880b5b07f7b3634 (diff) | |
| download | go-4da2bc2eebb480f1c2a726de05f4e085e97d3b6c.tar.xz | |
internal/saferio: handle potential total size overflow in SliceCap
Before the change, "SliceCap((*int64)(nil), 1<<62)" returns 1<<62.
That's because "uintptr(c)*size" overflows and gives 0 which is less
than the "chunk". SliceCap should return -1 in this case.
Change-Id: I4e99224c8ac0fc72032c6be86d7318d33d083cd8
GitHub-Last-Rev: ca30bcce456d20702e3699822cd4f1c963ef1cec
GitHub-Pull-Request: golang/go#55870
Reviewed-on: https://go-review.googlesource.com/c/go/+/434335
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'src/internal/coverage/stringtab/stringtab.go')
0 files changed, 0 insertions, 0 deletions