| Message ID | 20240808191946.362133-1-john.cabaj@canonical.com |
|---|---|
| Headers | show |
| Series | kernel panic was caused by a fatal exception due to a null pointer dereference in the iptable_nat module | expand |
On Thu, Aug 08, 2024 at 02:19:45PM -0500, 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(-) Acked-by: Aaron Jauregui <aaron.jauregui@canonical.com>
On Thu, Aug 08, 2024 at 02:19:45PM -0500, 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(-) Acked-by: Kuan-Ying Lee <kuan-ying.lee@canonical.com>
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
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