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Damien Neil c23579f031 database/sql: avoid clobbering driver-owned memory in RawBytes 
Depending on the query, a RawBytes can contain memory owned by the
driver or by database/sql:

If the driver provides the column as a []byte,
RawBytes aliases that []byte.

If the driver provides the column as any other type,
RawBytes contains memory allocated by database/sql.
Prior to this CL, Rows.Scan will reuse existing capacity in a
RawBytes to permit a single allocation to be reused across rows.

When a RawBytes is reused across queries, this can result
in database/sql writing to driver-owned memory.

Add a buffer to Rows to store RawBytes data, and reuse this
buffer across calls to Rows.Scan.

Fixes #65201

Change-Id: Iac640174c7afa97eeb39496f47dec202501b2483
Reviewed-on: https://go-review.googlesource.com/c/go/+/557917
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
 		2024-04-10 20:23:22 +00:00
.github github: switch seen/expected order in issue forms 2024-01-04 23:31:17 +00:00
api all: add reflect.SliceAt function 2024-04-02 21:51:18 +00:00
doc doc/README.md: note simpler symbol links 2024-04-10 19:41:39 +00:00
lib/time lib/time: use consistent directory in mkzip usage message 2024-03-04 17:32:07 +00:00
misc misc/wasm: support new wasmtime CLI 2023-11-19 21:11:54 +00:00
src database/sql: avoid clobbering driver-owned memory in RawBytes 2024-04-10 20:23:22 +00:00
test cmd/compile/internal: merge stack slots for selected local auto vars 2024-04-09 16:41:23 +00:00
.gitattributes
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.gitignore internal/platform,cmd/dist: export the list of supported platforms 2023-06-22 19:44:52 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
LICENSE
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PATENTS
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README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 4.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

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Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.