Re: BUG: kernel NULL pointer dereference in __cgroup_bpf_run_filter_skb

2020-06-03 Thread Lu Fengqi
On Wed, Jun 03, 2020 at 02:20:52PM +0800, Lu Fengqi wrote: >On Tue, Jun 02, 2020 at 03:17:18PM -0700, Alexei Starovoitov wrote: >>On Tue, Jun 2, 2020 at 2:46 PM Brenden Blanco wrote: >>> >>> On Sat, May 30, 2020 at 12:51 AM Lu Fengqi wrote: >>> > &

Re: BUG: kernel NULL pointer dereference in __cgroup_bpf_run_filter_skb

2020-06-02 Thread Lu Fengqi
On Tue, Jun 02, 2020 at 03:17:18PM -0700, Alexei Starovoitov wrote: >On Tue, Jun 2, 2020 at 2:46 PM Brenden Blanco wrote: >> >> On Sat, May 30, 2020 at 12:51 AM Lu Fengqi wrote: >> > >> > Hello, >> > >> > I encountered a reproducible NULL poin

Re: BUG: kernel NULL pointer dereference in __cgroup_bpf_run_filter_skb

2020-06-02 Thread Lu Fengqi
On Tue, Jun 02, 2020 at 02:46:41PM -0700, Brenden Blanco wrote: >On Sat, May 30, 2020 at 12:51 AM Lu Fengqi wrote: >> >> Hello, >> >> I encountered a reproducible NULL pointer dereference using the mainline >> kernel v5.7-rc7-44-g75caf310d16c(which also happened