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Hans 90ed541149 runtime: ensure the fixalloc object size is valid
Usually, fixalloc is used to allocate small, persistent and reuseable
objects. The size is typically between range [sizeof(mlink), _FixAllocChunk].

It's rare for being out of the range. But if it did happen, we got a
hard-to-discover memory corruption. This commit prevents that situation by limiting object's size.

Change-Id: If6ef8b0831596464e0f55d09f79094b79ae08c66
GitHub-Last-Rev: cb8b1b01bb
GitHub-Pull-Request: golang/go#47395
Reviewed-on: https://go-review.googlesource.com/c/go/+/337429
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Cherry Mui <cherryyz@google.com>
2021-09-02 13:45:48 +00:00
.github
api net: reduce allocations for UDP send/recv on Windows 2021-08-16 23:57:10 +00:00
doc spec: adjust example for consistency 2021-09-01 19:23:15 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc cmd/cgo: fix unused parameter warnings in generated _cgo_main.c 2021-08-16 23:03:03 +00:00
src runtime: ensure the fixalloc object size is valid 2021-09-02 13:45:48 +00:00
test cmd/compile: workaround inlining of closures with range statements 2021-09-02 12:49:05 +00:00
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