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| author | Yaniv Kaul <ykaul@redhat.com> | 2020-01-21 10:16:29 +0200 |
|---|---|---|
| committer | Susant Palai <spalai@redhat.com> | 2020-02-05 04:52:28 +0000 |
| commit | 2b35572e1f30c37bbbbec8f63060ae2eeaf61b32 (patch) | |
| tree | 07dc148560e737eb93003943168b037bfb5fb1cd /xlators/cluster | |
| parent | c4b5cfbfa82de0aa16e9557f5b3fcf3dc186c740 (diff) | |
dht-hashfn.c: ensure we do not try to calculate hash on NULL path
For some reason, dht_selfheal_layout_alloc_start() sends a NULL
loc->path string to dht_hash_compute().
Until we understand why it happens, we should strive not to crash
on a strlen of a NULL pointer.
Change-Id: I8c2a22602cfccba9af85f432a1841556f6978450
updates: bz#1793378
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
Diffstat (limited to 'xlators/cluster')
| -rw-r--r-- | xlators/cluster/dht/src/dht-hashfn.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/xlators/cluster/dht/src/dht-hashfn.c b/xlators/cluster/dht/src/dht-hashfn.c index 1dfe2a77907..acda67c312a 100644 --- a/xlators/cluster/dht/src/dht-hashfn.c +++ b/xlators/cluster/dht/src/dht-hashfn.c @@ -78,6 +78,9 @@ dht_hash_compute(xlator_t *this, int type, const char *name, uint32_t *hash_p) priv = this->private; + if (name == NULL) + return -1; + len = strlen(name) + 1; rsync_friendly_name = alloca(len); |