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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_mips/host_missing/accel_missing/602 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_mips/host_missing/accel_missing/602')
| -rw-r--r-- | gitlab/issues_text/target_mips/host_missing/accel_missing/602 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_mips/host_missing/accel_missing/602 b/gitlab/issues_text/target_mips/host_missing/accel_missing/602 new file mode 100644 index 000000000..0360e8cbd --- /dev/null +++ b/gitlab/issues_text/target_mips/host_missing/accel_missing/602 @@ -0,0 +1,13 @@ +Failure to translate host to target errno in IP_RECVERR, IPV6_RECVERR emulation +Description of problem: +In translated IP_RECVERR (and IPV6_RECVERR) control messages, the `ee_errno` is not translated, so host errnos are observed on guests. E.g., `ECONNREFUSED` is 111 on x86_64 host, but expected to be 146 in MIPS ABI. +Steps to reproduce: +1. https://cirrus-ci.com/task/5914289870471168 +Additional information: +The bugs are on [lines 1970 and 2014 here](https://github.com/qemu/qemu/blob/211364c21e7f757ae1acf4e72b5df39c498fb88b/linux-user/syscall.c#L1970-L2014). + +The fix is something like: + +``` +__put_user(host_to_target_errno(errh->ee.ee_errno), &target_errh->ee.ee_errno); +``` |