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cmd/link: fix off-by-1 error in findShlibSection

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We want to find a section that contains addr. sect.Addr+sect.Size
is the exclusive upper bound.

Change-Id: If2cd6bdd6e03174680e066189b0f4bf9e2ba6630
Reviewed-on: https://go-review.googlesource.com/c/go/+/288592
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This commit is contained in:
Cherry Zhang 2021-02-01 16:46:49 -05:00
parent 32e789f4fb
commit 1426a571b7
1 changed files with 1 additions and 1 deletions
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2
src/cmd/link/internal/ld/decodesym.go
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@ -279,7 +279,7 @@ func findShlibSection(ctxt *Link, path string, addr uint64) *elf.Section {
for _, shlib := range ctxt.Shlibs {
if shlib.Path == path {
for _, sect := range shlib.File.Sections[1:] { // skip the NULL section
if sect.Addr <= addr && addr <= sect.Addr+sect.Size {
if sect.Addr <= addr && addr < sect.Addr+sect.Size {
return sect
}
}