From 42515f9c26a55c173e8cd5a914d3e5f88afc3201 Mon Sep 17 00:00:00 2001
From: Leonid Pliushch <leonid.pliushch@gmail.com>
Date: Mon, 5 Apr 2021 23:17:40 +0300
Subject: [PATCH] zsh: disable fdsan

Issue https://github.com/termux/termux-packages/issues/6376
---
 packages/zsh/build.sh            |  2 +-
 packages/zsh/disable-fdsan.patch | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 packages/zsh/disable-fdsan.patch

diff --git a/packages/zsh/build.sh b/packages/zsh/build.sh
index aca7ec985..c15a4b8dc 100644
--- a/packages/zsh/build.sh
+++ b/packages/zsh/build.sh
@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="Shell with lots of features"
 TERMUX_PKG_LICENSE="BSD"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=5.8
-TERMUX_PKG_REVISION=5
+TERMUX_PKG_REVISION=6
 TERMUX_PKG_SRCURL=https://fossies.org/linux/misc/zsh-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SHA256=dcc4b54cc5565670a65581760261c163d720991f0d06486da61f8d839b52de27
 # Remove hard link to bin/zsh as Android does not support hard links:
diff --git a/packages/zsh/disable-fdsan.patch b/packages/zsh/disable-fdsan.patch
new file mode 100644
index 000000000..befc37e43
--- /dev/null
+++ b/packages/zsh/disable-fdsan.patch
@@ -0,0 +1,28 @@
+diff -uNr zsh-5.8/Src/main.c zsh-5.8.mod/Src/main.c
+--- zsh-5.8/Src/main.c	2019-12-14 00:41:30.000000000 +0200
++++ zsh-5.8.mod/Src/main.c	2021-04-05 23:17:04.559840264 +0300
+@@ -30,6 +30,9 @@
+ #include "zsh.mdh"
+ #include "main.pro"
+ 
++#include <android/fdsan.h>
++#include <dlfcn.h>
++
+ /*
+  * Support for Cygwin binary/text mode filesystems.
+  * Peter A. Castro <doctor@fruitbat.org>
+@@ -90,5 +93,14 @@
+ int
+ main(int argc, char **argv)
+ {
++    // For Android 11+.
++    void *lib_handle = dlopen("libc.so", RTLD_LAZY);
++    if (lib_handle) {
++        void (*set_fdsan_error_level)(enum android_fdsan_error_level newlevel) = dlsym(lib_handle, "android_fdsan_set_error_level");
++        if (set_fdsan_error_level) {
++            set_fdsan_error_level(ANDROID_FDSAN_ERROR_LEVEL_DISABLED);
++        }
++        dlclose(lib_handle);
++    }
+     return (zsh_main(argc, argv));
+ }