Date: Sun, 01 Mar 2009 03:06:49 -0600 From: "James R. Van Artsdalen" <james-freebsd-fs2@jrv.org> To: freebsd-fs@freebsd.org Subject: Re: zfs send -R dumps core on -CURRENT Message-ID: <49AA5029.3080200@jrv.org> In-Reply-To: <49A9DEC2.90701@jrv.org> References: <49A9DEC2.90701@jrv.org>
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James R. Van Artsdalen wrote:
> svn r189099, amd64
>
> /# zfs send -Rv bigtex@now > x
> Segmentation fault: 11 (core dumped)
> /#
>
This one is over my head. It crashes almost immediately while
traversing the properties for the first element to be sent, presumably
"bigtex" and not yet a child filesystem.
These properties are processed by zfs_name_to_prop OK:
"mountpoint","used","quota","reservation","compressratio","usedbysnapshots","usedbydataset","usedbyrefreservation","usedbychildren","available","referenced","creation"
Then send_iterate_prop() does zfs_name_to_prop("createtxg") which
returns ZPROP_INVAL (-1). zfs_prop_readonly crashes on the arg of -1.
while ((elem = nvlist_next_nvpair(zhp->zfs_props, elem)) != NULL) {
char *propname = nvpair_name(elem);
=> zfs_prop_t prop = zfs_name_to_prop(propname);
nvlist_t *propnv;
=> if (!zfs_prop_user(propname) && zfs_prop_readonly(prop))
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