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authorJonathan Corbet <corbet@lwn.net>2021-10-04 16:44:16 -0600
committerJonathan Corbet <corbet@lwn.net>2021-10-04 16:44:16 -0600
commitb718f9d919d16fb7b97a890f74d34593d9cecd20 (patch)
treeed38d58283ae36e0478bac2e0d244e06dbcc2f1c /net/sched/sch_api.c
parent250a0a5ba9d2cfbdb7c77b421ff1e03d630bea46 (diff)
parent9e1ff307c779ce1f0f810c7ecce3d95bbae40896 (diff)
Merge tag 'v5.15-rc4' into docs-next
This is needed to get a docs fix that entered via the DRM tree; testers have requested it so that PDF builds in docs-next work again.
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 5e90e9b160e3..12f39a2dffd4 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -513,6 +513,12 @@ static struct qdisc_size_table *qdisc_get_stab(struct nlattr *opt,
return stab;
}
+ if (s->size_log > STAB_SIZE_LOG_MAX ||
+ s->cell_log > STAB_SIZE_LOG_MAX) {
+ NL_SET_ERR_MSG(extack, "Invalid logarithmic size of size table");
+ return ERR_PTR(-EINVAL);
+ }
+
stab = kmalloc(sizeof(*stab) + tsize * sizeof(u16), GFP_KERNEL);
if (!stab)
return ERR_PTR(-ENOMEM);