diff options
Diffstat (limited to 'results/classifier/zero-shot-user-mode/syscall/602')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/syscall/602 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/syscall/602 b/results/classifier/zero-shot-user-mode/syscall/602 new file mode 100644 index 00000000..bbd13420 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/syscall/602 @@ -0,0 +1,19 @@ +syscall: 0.560 +instruction: 0.340 +runtime: 0.100 + + + +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); +``` |