v2 patch has been sent with fuzz error fix. Kind regards, Vivek
On Thu, Apr 20, 2023 at 8:27 PM Steve Sakoman <[email protected]> wrote: > Hi Vivek, > > I'm getting fuzz errors with your patch: > > WARNING: go-cross-core2-64-1.17.13-r0 do_patch: Fuzz detected: > > Applying patch CVE-2023-24537.patch > patching file src/go/parser/parser_test.go > patching file src/go/scanner/scanner.go > Hunk #1 succeeded at 251 with fuzz 1. > > > The context lines in the patches can be updated with devtool: > > devtool modify go-cross-core2-64 > devtool finish --force-patch-refresh go-cross-core2-64 <layer_path> > > Don't forget to review changes done by devtool! > > WARNING: go-cross-core2-64-1.17.13-r0 do_patch: QA Issue: Patch log > indicates that patches do not apply cleanly. [patch-fuzz] > > Steve > > On Wed, Apr 19, 2023 at 11:31 PM vkumbhar <[email protected]> wrote: > > > > Setting a large line or column number using a //line directive can cause > > integer overflow even in small source files. > > > > Limit line and column numbers in //line directives to 2^30-1, which > > is small enough to avoid int32 overflow on all reasonbly-sized files. > > > > Fixes CVE-2023-24537 > > Fixes #59273 > > For #59180 > > > > Signed-off-by: Vivek Kumbhar <[email protected]> > > --- > > meta/recipes-devtools/go/go-1.17.13.inc | 1 + > > .../go/go-1.18/CVE-2023-24537.patch | 72 +++++++++++++++++++ > > 2 files changed, 73 insertions(+) > > create mode 100644 meta/recipes-devtools/go/go-1.18/CVE-2023-24537.patch > > > > diff --git a/meta/recipes-devtools/go/go-1.17.13.inc > b/meta/recipes-devtools/go/go-1.17.13.inc > > index 34d58aec2f..cda9227042 100644 > > --- a/meta/recipes-devtools/go/go-1.17.13.inc > > +++ b/meta/recipes-devtools/go/go-1.17.13.inc > > @@ -27,6 +27,7 @@ SRC_URI += "\ > > file://add_godebug.patch \ > > file://cve-2022-41725.patch \ > > file://CVE-2022-41722.patch \ > > + file://CVE-2023-24537.patch \ > > " > > SRC_URI[main.sha256sum] = > "a1a48b23afb206f95e7bbaa9b898d965f90826f6f1d1fc0c1d784ada0cd300fd" > > > > diff --git a/meta/recipes-devtools/go/go-1.18/CVE-2023-24537.patch > b/meta/recipes-devtools/go/go-1.18/CVE-2023-24537.patch > > new file mode 100644 > > index 0000000000..7733a605e7 > > --- /dev/null > > +++ b/meta/recipes-devtools/go/go-1.18/CVE-2023-24537.patch > > @@ -0,0 +1,72 @@ > > +From bf8c7c575c8a552d9d79deb29e80854dc88528d0 Mon Sep 17 00:00:00 2001 > > +From: Damien Neil <[email protected]> > > +Date: Mon, 20 Mar 2023 10:43:19 -0700 > > +Subject: [PATCH] [release-branch.go1.20] mime/multipart: limit parsed > mime > > + message sizes > > + > > +Reviewed-on: > https://team-review.git.corp.google.com/c/golang/go-private/+/1802456 > > +Reviewed-by: Julie Qiu <[email protected]> > > +Reviewed-by: Roland Shoemaker <[email protected]> > > +Run-TryBot: Damien Neil <[email protected]> > > +Reviewed-on: > https://team-review.git.corp.google.com/c/golang/go-private/+/1802611 > > +Reviewed-by: Damien Neil <[email protected]> > > +Change-Id: Ifdfa192d54f722d781a4d8c5f35b5fb72d122168 > > +Reviewed-on: https://go-review.googlesource.com/c/go/+/481986 > > +Reviewed-by: Matthew Dempsky <[email protected]> > > +TryBot-Result: Gopher Robot <[email protected]> > > +Run-TryBot: Michael Knyszek <[email protected]> > > +Auto-Submit: Michael Knyszek <[email protected]> > > +Signed-off-by: Vivek Kumbhar <[email protected]> > > +Upstream-Status: Backport [ > https://github.com/golang/go/commit/126a1d02da82f93ede7ce0bd8d3c51ef627f2104 > ] > > +CVE: CVE-2023-24537 > > +Signed-off-by: Vivek Kumbhar <[email protected]> > > +--- > > + src/go/parser/parser_test.go | 16 ++++++++++++++++ > > + src/go/scanner/scanner.go | 7 +++++-- > > + 2 files changed, 21 insertions(+), 2 deletions(-) > > + > > +diff --git a/src/go/parser/parser_test.go b/src/go/parser/parser_test.go > > +index 1a46c87..993df63 100644 > > +--- a/src/go/parser/parser_test.go > > ++++ b/src/go/parser/parser_test.go > > +@@ -746,3 +746,19 @@ func TestScopeDepthLimit(t *testing.T) { > > + } > > + } > > + } > > ++ > > ++// TestIssue59180 tests that line number overflow doesn't cause an > infinite loop. > > ++func TestIssue59180(t *testing.T) { > > ++ testcases := []string{ > > ++ "package p\n//line :9223372036854775806\n\n//", > > ++ "package p\n//line :1:9223372036854775806\n\n//", > > ++ "package p\n//line file:9223372036854775806\n\n//", > > ++ } > > ++ > > ++ for _, src := range testcases { > > ++ _, err := ParseFile(token.NewFileSet(), "", src, > ParseComments) > > ++ if err == nil { > > ++ t.Errorf("ParseFile(%s) succeeded unexpectedly", > src) > > ++ } > > ++ } > > ++} > > +diff --git a/src/go/scanner/scanner.go b/src/go/scanner/scanner.go > > +index f08e28c..2276e07 100644 > > +--- a/src/go/scanner/scanner.go > > ++++ b/src/go/scanner/scanner.go > > +@@ -251,13 +251,16 @@ func (s *Scanner) updateLineInfo(next, offs int, > text []byte) { > > + return > > + } > > + > > ++ // Put a cap on the maximum size of line and column numbers. > > ++ // 30 bits allows for some additional space before wrapping an > int32. > > ++ const maxLineCol = 1<<30 - 1 > > + var line, col int > > + i2, n2, ok2 := trailingDigits(text[:i-1]) > > + if ok2 { > > + //line filename:line:col > > + i, i2 = i2, i > > + line, col = n2, n > > +- if col == 0 { > > ++ if col == 0 || col > maxLineCol { > > + s.error(offs+i2, "invalid column number: > "+string(text[i2:])) > > + return > > -- > > 2.25.1 > > > > > > > > >
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