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zebra: Prevent Null pointer deref 14358/head
authorDonald Sharp <sharpd@nvidia.com>
Wed, 6 Sep 2023 12:39:02 +0000 (08:39 -0400)
committerDonald Sharp <sharpd@nvidia.com>
Wed, 6 Sep 2023 12:42:07 +0000 (08:42 -0400)
commit2b9373c114dfc0154f6291474789f44256358518
tree38c1fbc9d9d630b95373778ffd9c8bf3681b37b6tree | snapshot
parent58201b3d635f5d38975f5126473685c377c62c23commit | diff
zebra: Prevent Null pointer deref

If the kernel sends us bad data then the kind_str
will be NULL and a later strcmp operation will
cause a crash.

As a note: If the kernel is not sending us properly
formated netlink messages then we got bigger problems
than zebra crashing.  But at least let's prevent zebra
from crashing.

Reported-by: Iggy Frankovic <iggyfran@amazon.com>
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
zebra/tc_netlink.c diff | blob | history
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