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| author | Roland Shoemaker <roland@golang.org> | 2022-04-25 19:02:35 -0700 |
|---|---|---|
| committer | Alex Rakoczy <alex@golang.org> | 2022-05-25 19:26:16 +0000 |
| commit | 2be03d789de905a4b050ff5f3a51b724e1b09494 (patch) | |
| tree | c7b85c81b9cf6aa0fa9c3de63ae5bb36b5919137 /src/os/exec/exec.go | |
| parent | 65701ad2b430466dd4bd6e1df107f81c0f8ee9cb (diff) | |
| download | go-2be03d789de905a4b050ff5f3a51b724e1b09494.tar.gz go-2be03d789de905a4b050ff5f3a51b724e1b09494.zip | |
[release-branch.go1.17] crypto/rand: properly handle large Read on windows
Use the batched reader to chunk large Read calls on windows to a max of
1 << 31 - 1 bytes. This prevents an infinite loop when trying to read
more than 1 << 32 -1 bytes, due to how RtlGenRandom works.
This change moves the batched function from rand_unix.go to rand.go,
since it is now needed for both windows and unix implementations.
Updates #52561
Fixes #52932
Fixes CVE-2022-30634
Change-Id: Id98fc4b1427e5cb2132762a445b2aed646a37473
Reviewed-on: https://go-review.googlesource.com/c/go/+/402257
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Filippo Valsorda <valsorda@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit bb1f4416180511231de6d17a1f2f55c82aafc863)
Reviewed-on: https://go-review.googlesource.com/c/go/+/406635
Reviewed-by: Damien Neil <dneil@google.com>
Diffstat (limited to 'src/os/exec/exec.go')
0 files changed, 0 insertions, 0 deletions