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| From: | Paul Eggert |
| Subject: | bug#25624: [PATCH] timeout: Fix signal race in SIGALRM handling |
| Date: | Sun, 5 Feb 2017 10:26:35 -0800 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 |
Pádraig Brady wrote:
In general this is a largely theoretical race right? I.E. pids would need to be recycled between the waitpid() and exit()?
Not that theoretical, in the common case of systems with wraparaound PIDs and a small PID space. All you need is a long-running child on a busy system.
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