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OpenZFS 7261 - nvlist code should enforce name length limit

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Authored by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Reviewed-by: Don Brady <dev.fs.zfs@gmail.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/7261
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/48dd5e6
Closes #6579
This commit is contained in:
Matthew Ahrens 2016-08-04 16:16:29 -07:00 committed by Brian Behlendorf
parent 006309e8d7
commit 24ded86e8d
1 changed files with 2 additions and 0 deletions
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2
module/nvpair/nvpair.c
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@ -916,6 +916,8 @@ nvlist_add_common(nvlist_t *nvl, const char *name,
/* calculate sizes of the nvpair elements and the nvpair itself */
name_sz = strlen(name) + 1;
if (name_sz >= 1ULL << (sizeof (nvp->nvp_name_sz) * NBBY - 1))
return (EINVAL);
nvp_sz = NVP_SIZE_CALC(name_sz, value_sz);