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183 lines
4.1 KiB
183 lines
4.1 KiB
From b1672fa8a1fdb9c00a0fa1c04547d69abc6afb0a Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Mon, 1 Feb 2021 10:07:02 +0000
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Subject: [PATCH] Open Unix.LargeFile to avoid "lstat: Value too large for
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defined data type".
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On 32 bit platforms, because OCaml native ints are limited to 31 bits,
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there is a trap in the normal Unix.stat, Unix.lstat functions where
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any field in the stat struct may overflow. The result is random
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errors like:
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supermin: error: lstat: Value too large for defined data type: /tmp/tmp.Ss9aYEBASm/d2/root
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You would probably only see this on armv7.
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The OCaml Unix module has a "LargeFile" submodule which fixes this by
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using int64 for some (unfortunately not all) fields.
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For more information see the OCaml sources, file
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otherlibs/unix/stat.c, all instances of "EOVERFLOW".
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(cherry picked from commit fd9f17c7eb63979af882533a0d234bfc8ca42de3)
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---
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src/format_chroot.ml | 1 +
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src/format_ext2.ml | 1 +
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src/format_ext2_initrd.ml | 1 +
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src/format_ext2_kernel.ml | 5 +++--
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src/mode_build.ml | 1 +
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src/package_handler.ml | 1 +
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src/ph_dpkg.ml | 1 +
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src/ph_pacman.ml | 1 +
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src/ph_rpm.ml | 1 +
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src/supermin.ml | 1 +
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src/utils.ml | 1 +
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11 files changed, 13 insertions(+), 2 deletions(-)
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diff --git a/src/format_chroot.ml b/src/format_chroot.ml
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index 346c24b..34606f7 100644
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--- a/src/format_chroot.ml
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+++ b/src/format_chroot.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/format_ext2.ml b/src/format_ext2.ml
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index 6348c29..e311ea6 100644
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--- a/src/format_ext2.ml
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+++ b/src/format_ext2.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/format_ext2_initrd.ml b/src/format_ext2_initrd.ml
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index 38977e6..6268442 100644
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--- a/src/format_ext2_initrd.ml
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+++ b/src/format_ext2_initrd.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/format_ext2_kernel.ml b/src/format_ext2_kernel.ml
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index 98bff3a..3be4413 100644
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--- a/src/format_ext2_kernel.ml
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+++ b/src/format_ext2_kernel.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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@@ -95,8 +96,8 @@ and find_kernel_from_lib_modules debug =
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let kernels =
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filter_map (
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fun kernel_file ->
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- let size = try (stat kernel_file).st_size with Unix_error _ -> 0 in
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- if size < 10000 then None
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+ let size = try (stat kernel_file).st_size with Unix_error _ -> 0L in
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+ if size < 10000_L then None
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else (
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let kernel_name = Filename.basename kernel_file in
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let modpath = Filename.dirname kernel_file in
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diff --git a/src/mode_build.ml b/src/mode_build.ml
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index ed47366..ff7733e 100644
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--- a/src/mode_build.ml
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+++ b/src/mode_build.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/package_handler.ml b/src/package_handler.ml
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index 0409438..f0d6db3 100644
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--- a/src/package_handler.ml
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+++ b/src/package_handler.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/ph_dpkg.ml b/src/ph_dpkg.ml
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index 1e785de..6d4fce1 100644
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--- a/src/ph_dpkg.ml
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+++ b/src/ph_dpkg.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/ph_pacman.ml b/src/ph_pacman.ml
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index 67f7512..50500a5 100644
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--- a/src/ph_pacman.ml
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+++ b/src/ph_pacman.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/ph_rpm.ml b/src/ph_rpm.ml
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index 9745efd..183b5f3 100644
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--- a/src/ph_rpm.ml
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+++ b/src/ph_rpm.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Utils
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diff --git a/src/supermin.ml b/src/supermin.ml
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index e923111..9f838d9 100644
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--- a/src/supermin.ml
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+++ b/src/supermin.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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open Types
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diff --git a/src/utils.ml b/src/utils.ml
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index b25df88..f5990ef 100644
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--- a/src/utils.ml
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+++ b/src/utils.ml
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@@ -17,6 +17,7 @@
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*)
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open Unix
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+open Unix.LargeFile
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open Printf
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let (+^) = Int64.add
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--
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2.31.1
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