summary refs log tree commit diff stats
path: root/gitlab/issues/target_missing/host_missing/accel_missing/1729.toml
diff options
context:
space:
mode:
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/1729.toml')
-rw-r--r--gitlab/issues/target_missing/host_missing/accel_missing/1729.toml55
1 files changed, 0 insertions, 55 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/1729.toml b/gitlab/issues/target_missing/host_missing/accel_missing/1729.toml
deleted file mode 100644
index 302c093f3..000000000
--- a/gitlab/issues/target_missing/host_missing/accel_missing/1729.toml
+++ /dev/null
@@ -1,55 +0,0 @@
-id = 1729
-title = "mremap fails with EFAULT if address range overlaps with stack guard"
-state = "closed"
-created_at = "2023-06-25T06:50:48.249Z"
-closed_at = "2024-10-20T22:02:11.370Z"
-labels = ["linux-user"]
-url = "https://gitlab.com/qemu-project/qemu/-/issues/1729"
-host-os = "any linux"
-host-arch = "x86_64"
-qemu-version = "any version"
-guest-os = "alpine-linux"
-guest-arch = "ARM 32-bit"
-description = """When running 32-bit user-static on 64-bit host, `mremap` behave differently from the kernel. This difference let programs that call `pthread_getattr_np` on musl-libc to run into a loop on repeated calling `mremap`.
-
-https://git.musl-libc.org/cgit/musl/plain/src/thread/pthread_getattr_np.c
-
-``` c
-\t\twhile (mremap(p-l-PAGE_SIZE, PAGE_SIZE, 2*PAGE_SIZE, 0)==MAP_FAILED && errno==ENOMEM)
-\t\t\tl += PAGE_SIZE;
-```"""
-reproduce = """Compile the following program against musl-libc arm 32-bit, and run it in qemu-user-static on x86_64 host.
-
-``` c
-#define _GNU_SOURCE
-#include <pthread.h>
-
-int main(int argc, char *argv[]) {
-\tpthread_attr_t attr;
-\treturn pthread_getattr_np(pthread_self(), &attr);
-}
-```
-
-For example, on x86_64 fedora 38 with podman and qemu-user-static installed, we can reproduce this with alpine container:
-
-```
-$ podman run --rm -it --arch arm/v7 docker.io/library/alpine:latest
-
-/ # apk add alpine-sdk
-
-......
-
-/ # cat test.c
-#define _GNU_SOURCE
-#include <pthread.h>
-
-int main(int argc, char *argv[]) {
-\tpthread_attr_t attr;
-\treturn pthread_getattr_np(pthread_self(), &attr);
-}
-
-/ # gcc test.c
-
-/ # ./a.out
-```"""
-additional = """Original thread on musl mail list where this was initially reported: https://www.openwall.com/lists/musl/2017/06/15/9"""