From cff5d3aa37c4f73b7f8c1f6e42321310834db040 Mon Sep 17 00:00:00 2001
From: Matou <mathieubotros@gmail.com>
Date: Tue, 26 May 2026 20:31:38 +0300
Subject: [PATCH] added t073

---
 img/gen.sh            | 40 +++++++++++++++++++++++++++++++++-------
 test/t073/ref.log     | 11 +++++++++++
 test/t073/run.us      |  4 ++++
 test/t073/tags.txt    |  3 +++
 test/t073/timeout.txt |  1 +
 5 files changed, 52 insertions(+), 7 deletions(-)
 create mode 100644 test/t073/ref.log
 create mode 100644 test/t073/run.us
 create mode 100644 test/t073/tags.txt
 create mode 100644 test/t073/timeout.txt

diff --git a/img/gen.sh b/img/gen.sh
index ca98128..f76d1d1 100755
--- a/img/gen.sh
+++ b/img/gen.sh
@@ -946,12 +946,12 @@ ext2_symlinks.qcow2 () {
 
     fallocate -l 15MiB $img_raw
     $SGDISK --clear --new=0:0:0 $img_raw > /dev/null
-    local LOOP_DEV=$(sudo losetup --find --show -P $img_raw)
+    sudo losetup -P $LOOP_DEV $img_raw
     local p1="$LOOP_DEV"p1
 
     $MKFS_EXT2 -b 1024 $EXT_MKFS_OPTS $p1
 
-    sudo debugfs -w -R "set_super_value hash_seed $EXT_HASH_SEED" $p1 > /dev/null 2>&1
+    sudo debugfs -w -R "set_super_value hash_seed $EXT_HASH_SEED" $p1
 
     sudo mount $p1 $TEMP_DIR
     sudo chown $USER $TEMP_DIR -R
@@ -1267,12 +1267,12 @@ ext2_extra_isize.qcow2 () {
 
     fallocate -l 15MiB $img_raw
     $SGDISK --clear --new=0:0:0 $img_raw > /dev/null
-    local LOOP_DEV=$(sudo losetup --find --show -P $img_raw)
+    sudo losetup -P $LOOP_DEV $img_raw
     local p1="$LOOP_DEV"p1
 
     $MKFS_EXT2 -b 1024 -I 256 -O extra_isize $EXT_MKFS_OPTS $p1
 
-    sudo debugfs -w -R "set_super_value hash_seed $EXT_HASH_SEED" $p1 > /dev/null 2>&1
+    sudo debugfs -w -R "set_super_value hash_seed $EXT_HASH_SEED" $p1
 
     sudo mount $p1 $TEMP_DIR
     sudo chown $USER $TEMP_DIR -R
@@ -1308,8 +1308,34 @@ ext2_extra_isize.qcow2 () {
 
     sudo umount $TEMP_DIR
 
-    sudo debugfs -w -R "set_inode_field file_ctime_crtime ctime 20200101000000" $p1 > /dev/null 2>&1
-    sudo debugfs -w -R "set_inode_field file_ctime_crtime crtime 20100101000000" $p1 > /dev/null 2>&1
+    sudo debugfs -w -R "set_inode_field file_ctime_crtime ctime 20200101000000" $p1
+    sudo debugfs -w -R "set_inode_field file_ctime_crtime crtime 20100101000000" $p1
+
+    sudo losetup -d $LOOP_DEV
+
+    qemu-img convert $QEMU_IMG_CONVERT_OPTS $img_raw $img
+    rm $img_raw
+}
+
+ext2_rev0.qcow2 () {
+    local img=$FUNCNAME
+    local img_raw=$(basename $img .qcow2).raw
+
+    fallocate -l 18MiB $img_raw
+    $SGDISK --clear --new=0:0:0 $img_raw > /dev/null
+    sudo losetup -P $LOOP_DEV $img_raw
+    local p1="$LOOP_DEV"p1
+
+    $MKFS_EXT2 -E revision=0 $EXT_MKFS_OPTS $p1
+
+    sudo debugfs -w -R "set_super_value feature_compat 0" $p1
+    sudo debugfs -w -R "set_super_value feature_incompat 0" $p1
+    sudo debugfs -w -R "set_super_value feature_ro_compat 0" $p1
+    sudo debugfs -w -R "set_super_value first_ino 0" $p1
+    sudo debugfs -w -R "set_super_value inode_size 0" $p1
+
+    # Zero out all modern extensions after the UUID (offset 120 to 1024)
+    sudo dd if=/dev/zero of=$p1 bs=1 seek=$((1024 + 120)) count=$((1024 - 120)) conv=notrunc
 
     sudo losetup -d $LOOP_DEV
 
@@ -1329,7 +1355,7 @@ images=(gpt_large.qcow2 gpt_partitions_s05k.qcow2 gpt_partitions_s4k.qcow2
         exfat_s05k_c16k_b16k.qcow2 exfat_s05k_c8k_b8k.qcow2
         xfs_samehash_s05k.raw ext2_s05k.qcow2 ext4_s05k.qcow2 fat12_s05k.qcow2
         fat16_s05k.qcow2 iso9660_s2k_dir_all.qcow2 ext2_extra_isize.qcow2
-        ext2_symlinks.qcow2)
+        ext2_symlinks.qcow2 ext2_rev0.qcow2)
 
 TEMP_DIR=$(mktemp -d)
 LOOP_DEV=$(losetup --find)
diff --git a/test/t073/ref.log b/test/t073/ref.log
new file mode 100644
index 0000000..c0705d1
--- /dev/null
+++ b/test/t073/ref.log
@@ -0,0 +1,11 @@
+/> umka_boot
+/> disk_add ../../img/ext2_rev0.qcow2 hd0 -c 0
+/hd0: sector_size=512, capacity=36864 (18 MiB), num_partitions=1
+/hd0/1: fs=ext, start=2048 (1 MiB), length=32768 (16 MiB)
+/> ls70 /hd0/1/
+status = 6 end_of_file, count = 3
+total = 3
+-h--f .
+-h--f ..
+----f lost+found
+/> disk_del hd0
diff --git a/test/t073/run.us b/test/t073/run.us
new file mode 100644
index 0000000..881a20e
--- /dev/null
+++ b/test/t073/run.us
@@ -0,0 +1,4 @@
+umka_boot
+disk_add ../../img/ext2_rev0.qcow2 hd0 -c 0
+ls70 /hd0/1/
+disk_del hd0
\ No newline at end of file
diff --git a/test/t073/tags.txt b/test/t073/tags.txt
new file mode 100644
index 0000000..5e5035c
--- /dev/null
+++ b/test/t073/tags.txt
@@ -0,0 +1,3 @@
+syscall:f70
+fs:ext,ext2
+ext:rev0
diff --git a/test/t073/timeout.txt b/test/t073/timeout.txt
new file mode 100644
index 0000000..39e1887
--- /dev/null
+++ b/test/t073/timeout.txt
@@ -0,0 +1 @@
+10s