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MEDIUM: mworker: exiting when couldn't find the master mworker_proc element

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When a master process is reloading, the HAPROXY_PROCESSES variable is
deserialized. In older version of the master-worker (< 1.9), no master
element was existing in this variable.

This is not suppose to happen anymore, and could have provoked problems
in the master anyway.

This patch changes the behavior by exiting the master with an alert if
mp master element was found in this variable.
This commit is contained in:
William Lallemand 2026-03-10 15:45:23 +01:00
parent 00563233b7
commit 6d14fd0b29
1 changed files with 4 additions and 14 deletions
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18
src/mworker.c
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@ -239,21 +239,11 @@ int mworker_env_to_proc_list()
unsetenv("HAPROXY_PROCESSES");
no_env:
/* couldn't find the master element, exiting */
if (!proc_self) {
proc_self = mworker_proc_new();
if (!proc_self) {
ha_alert("Cannot allocate process structures.\n");
err = -1;
goto out;
}
proc_self->options |= PROC_O_TYPE_MASTER;
proc_self->pid = pid;
proc_self->timestamp = 0; /* we don't know the startime anymore */
LIST_APPEND(&proc_list, &proc_self->list);
ha_warning("The master internals are corrupted or it was started with a too old version (< 1.9). Please restart the master process.\n");
err = -1;
ha_alert("Failed to deserialize data for the master process. Unrecoverable error, exiting.\n");
goto out;
}
out: