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Jakub Kicinski
7e49e6448c
Vladimir Oltean says: ==================== Collection of DSA bug fixes Prompted by Russell King's 3 DSA bug reports from Friday (linked in their respective patches: 1, 2 and 3), I am providing fixes to those, as well as flushing the queue with 2 other bug fixes I had. 1: fix NULL pointer dereference during mv88e6xxx driver unbind, on old switch models which lack PVT and/or STU. Seen on the ZII dev board rev B. 2: fix failure to delete bridge port VLANs on old mv88e6xxx chips which lack STU. Seen on the same board. 3: fix WARN_ON() and resource leak in DSA core on driver unbind. Seen on the same board but is a much more widespread issue. 4: fix use-after-free during probing of DSA trees with >= 3 switches, if -EPROBE_DEFER exists. In principle issue also exists for the ZII board, I reproduced on Turris MOX. 5: fix incorrect use of refcount API in DSA core for those switches which use tag_8021q (felix, sja1105, vsc73xx). Returning an error when attempting to delete a tag_8021q VLAN prints a WARN_ON(), which is harmless but might be problematic with CONFIG_PANIC_ON_OOPS. ==================== Link: https://patch.msgid.link/20250414212708.2948164-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
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