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Re: [PATCH] iotests/308: Fix for CAP_DAC_OVERRIDE


From: Kevin Wolf
Subject: Re: [PATCH] iotests/308: Fix for CAP_DAC_OVERRIDE
Date: Wed, 12 Jan 2022 11:35:53 +0100

Am 03.01.2022 um 13:00 hat Hanna Reitz geschrieben:
> With CAP_DAC_OVERRIDE (which e.g. root generally has), permission checks
> will be bypassed when opening files.
> 
> 308 in one instance tries to open a read-only file (FUSE export) with
> qemu-io as read/write, and expects this to fail.  However, when running
> it as root, opening will succeed (thanks to CAP_DAC_OVERRIDE) and only
> the actual write operation will fail.
> 
> Note this as "Case not run", but have the test pass in either case.
> 
> Reported-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> Fixes: 2c7dd057aa7bd7a875e9b1a53975c220d6380bc4
>        ("export/fuse: Pass default_permissions for mount")
> Signed-off-by: Hanna Reitz <hreitz@redhat.com>

Thanks, applied to the block branch.

Kevin




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