APPLIED: [SRU][j:linux-azure][PATCH 0/1] kernel panic was caused by a fatal exception due to a null pointer dereference in the iptable_nat module

[John Cabaj]

On 8/9/24 9:44 AM, John Cabaj wrote:
> On 8/8/24 2:19 PM, John Cabaj wrote:
>> BugLink: https://bugs.launchpad.net/bugs/2076291
>>
>> [Impact]
>>
>> * Microsoft has requested a patch to address a kernel panic issue similar to the upstream issue here - https://patchwork.kernel.org/project/netdevbpf/patch/20240731213046.6194-2-pablo@netfilter.org/
>>
>> [Fix]
>>
>> * Clean cherry-pick upstream commit 5830aa863981: "netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init()"
>>
>> [Test Plan]
>>
>> * Build and boot tested
>>
>> [Where problems could occur]
>>
>> * Low regression risk, mostly shifting logic
>> * Change to order of register_pernet_subsys() and xt_register_template() could expose some other logic being held together under race condition
>>
>> [Other info]
>>
>> * SF #00391736
>>
>> Kuniyuki Iwashima (1):
>>   netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init().
>>
>>  net/ipv4/netfilter/iptable_nat.c | 18 ++++++++++--------
>>  1 file changed, 10 insertions(+), 8 deletions(-)
>>
> 
> Applied to jammy:linux-azure master-next branch.
> 
> 
> Thanks,
> John
> 

Also applied to noble:linux-azure and oracular:linux-azure master-next branches.


John