Date: Sat, 1 Sep 2018 00:35:49 +0000 From: Rick Macklem <rmacklem@uoguelph.ca> To: =?iso-8859-1?Q?Gerrit_K=FChn?= <gerrit.kuehn@aei.mpg.de> Cc: Alan Somers <asomers@freebsd.org>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: Fw: 100.chksetuid handging on nfs mounts Message-ID: <YTOPR0101MB1820D095841798C9886A6A45DD0E0@YTOPR0101MB1820.CANPRD01.PROD.OUTLOOK.COM> In-Reply-To: <20180831134717.80da25fa0b5f4b9280e59921@aei.mpg.de> References: <20171215143456.278a3dc31bb09c9217e83927@aei.mpg.de> <CAOtMX2jsQDQ3Csa5qszNMZQbx1cR=EcaPOY15T_QimnkM4%2BCWQ@mail.gmail.com> <30015_1513349242_5A33E07A_30015_587_1_20171215154659.c8a7f21317a06ab64e480955@aei.mpg.de> <20180830090941.0b92d2012406299b19a68be2@aei.mpg.de> <CAOtMX2hdC=YZ1_F1n-yceTjgwcWFcnCvrF8LtY1ZWo7dMVRW=w@mail.gmail.com> <20180830154404.5da83b6ff0481b17cd6d044e@aei.mpg.de> <CAOtMX2i%2ByyWZAH7GzFjNV5OUE_60tJ9T%2Bf5rWBQpMHDQU9BsFA@mail.gmail.com> <20180831082933.085ee4f3c7a006549d0974db@aei.mpg.de> <YTOPR0101MB18201F6BB77EDC949EF9BEBBDD0F0@YTOPR0101MB1820.CANPRD01.PROD.OUTLOOK.COM>, <20180831134717.80da25fa0b5f4b9280e59921@aei.mpg.de>
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Gerrit Kühn wrote: [stuff snipped] >My impression was that the find commandline is crafted in a way that >should prevent it from touching any filesystems mounted into the root >tree. Maybe I am mistaken here, then hanging on the unavailable nfs mount >is certainly expected (although not nice ;-) behaviour. Without looking at the find sources, I'd guess that it does a stat(2) on a directory and then checks the st_dev to see if it had changed. This will hang for the mount point directory if it can't do the Getattr RPC. rick
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