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Re: Reauthentication implementation flaw due to EINTR


From: Samuel Thibault
Subject: Re: Reauthentication implementation flaw due to EINTR
Date: Tue, 29 Dec 2009 22:55:41 +0100
User-agent: Mutt/1.5.12-2006-07-14

Carl Fredrik Hammar, le Tue 29 Dec 2009 22:48:26 +0100, a écrit :
> It's still a mystery to me why ext2fs gets an EINTR without auth
> explicitly returning EINTR...

AIUI, the RPC gets aborted and ext2fs receives MACH_RCV_PORT_DIED, which
_hurd_intr_rpc_mach_msg turns into EINTR.

BTW, reproducing the bug is really easy:

while sudo date ; do : ; done

Samuel




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