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sshlogv
2024 May 12
5
[Bug 3690] New: sshd: root [priv] process sleeping leads to unprivileged child proc zombie
...Created attachment 3814
--> https://bugzilla.mindrot.org/attachment.cgi?id=3814&action=edit
deadlock process call stack
In the `sshd.c` file, the `grace_alarm_handler()` signal handling
function calls `sigdie()`, which in turn calls `sshsigdie()`, and
within this call, functions such as `shlogv()`, `do_log()`,
`{openlog(), syslog(), closelog()}` are invoked. Similarly, within the
main thread, the `privsep_preauth()` function calls
`monitor_child_preauth()`, which then calls `auth_log()`, and this also
results in calls to `{openlog(), syslog(), closelog()}`.
Since these functions are not...