| commit | 58dc4452620ebefa75742661c538b8406b213b4a | [log] [tgz] |
|---|---|---|
| author | Than McIntosh <thanm@google.com> | Tue Dec 15 15:54:25 2020 -0500 |
| committer | Carlos Amedee <carlos@golang.org> | Tue Feb 02 22:36:08 2021 +0000 |
| tree | f9d151454f766752f0492ef8b9ec4a939e932598 | |
| parent | aa9b48cd1837644a1555fd7a370800924cef627a [diff] |
[release-branch.go1.15] cmd/internal/goobj2: fix buglet in object file reader The code in the Go object file reader was casting a pointer to mmaped memory into a large array prior to performing a read of the relocations section: return (*[1<<20]Reloc)(unsafe.Pointer(&r.b[off]))[:n:n] For very large object files, this artificial array isn't large enough (that is, there are more than 1048576 relocs to read), so update the code to use a larger artifical array size. Fixes #43214. Updates #41621. Change-Id: Ic047c8aef4f8a3839f2e7e3594bce652ebd6bd5b Reviewed-on: https://go-review.googlesource.com/c/go/+/278492 Run-TryBot: Than McIntosh <thanm@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Jeremy Faller <jeremy@golang.org> Trust: Than McIntosh <thanm@google.com> (cherry picked from commit f4e7a6b905ce60448e506a3f6578d01b60602cdd) Reviewed-on: https://go-review.googlesource.com/c/go/+/278673
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