add gitlab issues in toml format

1 files changed, 51 insertions, 0 deletions

diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2157.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2157.toml
new file mode 100644
index 00000000..9beb7682
--- /dev/null
+++ b/gitlab/issues/target_missing/host_missing/accel_missing/2157.toml
@@ -0,0 +1,51 @@
+id = 2157
+title = "qemu-user fails to run 32-bit x86 binaries on hosts with a page size > 4KB"
+state = "closed"
+created_at = "2024-02-09T12:51:33.431Z"
+closed_at = "2024-03-05T11:17:44.326Z"
+labels = ["Closed::Fixed", "linux-user"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2157"
+host-os = "ALT Linux sisyphus"
+host-arch = "LoongArch, ARM64"
+qemu-version = "8.2.0"
+guest-os = "Linux userspace emulation"
+guest-arch = "32-bit x86"
+description = """`qemu-i386` refuses to run 32-bit x86 binaries on hosts with a page size > 4KB
+(such as LoongArch, ppc64le, arm64 with 3 level page tables)."""
+reproduce = """1. Compile x86 binary which makes a single exit(0) syscall:
+   ```
+   cat > exit0.S << EOF
+   #include <sys/syscall.h>
+   .text
+   .global _start
+    _start:
+      movl $__NR_exit, %eax
+      movl $0, %ebx
+      int $0x80
+   EOF
+   i586-linux-gnu-gcc -nostdlib -static -no-pie -o exit0 exit0.S
+   ```
+   Alternatively one might compile it on a x86 host:
+   ```
+   gcc -m32 -nostdlib -static -no-pie -o exit0 exit0.S
+   ```
+   and transfer the `exit0` binary to ppc64/LoongArch/arm64 system
+
+   2. Run the `exit0` binary with `qemu-i386`
+   ```
+   qemu-i386-static ./exit0
+   ```
+
+   #"""
+additional = """`.text` segment of (32-bit) x86 binaries is typically aligned at 4KB:
+```
+Program Headers:
+  Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
+  LOAD           0x000000 0x08048000 0x08048000 0x00100 0x00100 R   0x1000
+  LOAD           0x001000 0x08049000 0x08049000 0x0000c 0x0000c R E 0x1000
+  NOTE           0x0000b4 0x080480b4 0x080480b4 0x0004c 0x0004c R   0x4
+  GNU_PROPERTY   0x0000d8 0x080480d8 0x080480d8 0x00028 0x00028 R   0x4
+```
+
+Thus on a host with a page size being 64 KB (ppc64, arm64 with 3 level page tables) or 16 KB (LoongArch)
+alignment requirements in [pbg_dynamic](https://gitlab.com/qemu-project/qemu/-/blob/master/linux-user/elfload.c?ref_type=heads#L3020) can not be satisfied."""