Re: Bug in br_handle_frame

2019-02-15 Thread Nikolay Aleksandrov
On 15/02/2019 16:23, Tomas Paukrt wrote: > Hi Nik, > > this is the trace: > > [ 522.578735] Unable to handle kernel NULL pointer dereference at virtual > address 0011 > [ 522.578804] pgd = c3b7 > [ 522.578842] [0011] *pgd=03b63831, *pte=, *ppte= > [ 522.578943] In

Re: Bug in br_handle_frame

2019-02-15 Thread Nikolay Aleksandrov
On 15/02/2019 16:03, Tomas Paukrt wrote: > Hi, > > I have recently discovered that kernel 3.12.10 is occasionally crashing > due to NULL pointer dereference in function br_handle_frame when we > reconfigure the bridge, because function br_port_get_rcu returns NULL. > > It is very hard for us to

Bug in br_handle_frame

2019-02-15 Thread Tomas Paukrt
Hi, I have recently discovered that kernel 3.12.10 is occasionally crashing due to NULL pointer dereference in function br_handle_frame when we reconfigure the bridge, because function br_port_get_rcu returns NULL. It is very hard for us to replicate this issue, because it happens about once p