[Bug gdb/34566] New: GDB cannot interrupt debuginofd until server responds, stuck waiting 1.5 min for ubuntu

https://sourceware.org/bugzilla/show_bug.cgi?id=34566

            Bug ID: 34566
           Summary: GDB cannot interrupt debuginofd until server responds,
                    stuck waiting 1.5 min for ubuntu
           Product: gdb
           Version: HEAD
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: k4lizen at proton dot me
  Target Milestone: ---

GDB: GNU gdb (GDB) 18.0.50.20260329-git
OS : Arch linux

If GDB tries to fetch debug info, and the debuginfod server simply does not
respond,
you are not able to cancel the request with Ctrl-C. You will need to wait
DEBUGINFOD_TIMEOUT (90 seconds by default) for it to finish or force-kill GDB.

Currently the https://debuginfod.ubuntu.com/ server is down, so if you're on
ubuntu,
you're not having a fun time debugging with GDB.
https://bugs.launchpad.net/ubuntu-debuginfod/+bug/2163016

LLDB also has the same bug, which is kinda of a wild coincidence:
https://github.com/llvm/llvm-project/issues/216629

More details / upstream: https://github.com/pwndbg/pwndbg/pull/4079

You can reproduce with:
```bash
DEBUGINFOD_CACHE_PATH=$(mktemp -d /tmp/lldb-debuginfod-test.XXXXXX)
DEBUGINFOD_URLS=https://debuginfod.ubuntu.com gdb --nx /bin/sh
```
(answer yes to debuginfo)

If ubuntu fixes their server, you'll be able to repro with:
In one terminal:
```bash
socat TCP-LISTEN:45678,bind=127.0.0.1,reuseaddr,fork EXEC:'sleep 120'
```
In a second terminal:
```bash
DEBUGINFOD_CACHE_PATH=$(mktemp -d /tmp/lldb-debuginfod-test.XXXXXX)
DEBUGINFOD_URLS=https://debuginfod.ubuntu.com gdb --nx /bin/sh
```
.

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