Re: Kernel panic in eth_header

2019-02-05 Thread Andrew
Thanks. At least, IPv4 tests passed (IPv4 overlapped - fails at first time, but passes on next times; on IPv6 I've got 'send_fragment: operation not permitted', I didn't look deeply because I don't use IPv6). No KASAN warnings in dmesg. On 05.02.2019 22:28, Eric Dumazet wrote: On 02/05/2019

Re: Kernel panic in eth_header

2019-02-05 Thread Eric Dumazet
On 02/05/2019 12:21 PM, Andrew wrote: > I think that backport will be trivial - at least patch lays smoothly on 4.9 > (just with offsets difference). > > I'll test it. > > Btw, maybe there's a some test conditions to quickly check if patch helps? > Crash is reproducible with unpredictable i

Re: Kernel panic in eth_header

2019-02-05 Thread Andrew
On 05.02.2019 21:34, Florian Fainelli wrote: On 2/5/19 8:57 AM, Eric Dumazet wrote: On 02/05/2019 08:29 AM, Andrew wrote: Hi all. After upgrade on PPPoE BRAS to kernel 4.9.153 I've got an kernel panic after a 3 days of uptime. Unfortunately kernel is compiled w/o debug info; I rebuilt kerne

Re: Kernel panic in eth_header

2019-02-05 Thread Eric Dumazet
On 02/05/2019 11:34 AM, Florian Fainelli wrote: > On 2/5/19 8:57 AM, Eric Dumazet wrote: >> >> >> On 02/05/2019 08:29 AM, Andrew wrote: >>> Hi all. >>> >>> After upgrade on PPPoE BRAS to kernel 4.9.153 I've got an kernel panic >>> after a 3 days of uptime. >>> >>> Unfortunately kernel is compil

Re: Kernel panic in eth_header

2019-02-05 Thread Florian Fainelli
On 2/5/19 8:57 AM, Eric Dumazet wrote: > > > On 02/05/2019 08:29 AM, Andrew wrote: >> Hi all. >> >> After upgrade on PPPoE BRAS to kernel 4.9.153 I've got an kernel panic after >> a 3 days of uptime. >> >> Unfortunately kernel is compiled w/o debug info; I rebuilt kernel with debug >> info enab

Re: Kernel panic in eth_header

2019-02-05 Thread Florian Fainelli
On 2/5/19 8:57 AM, Eric Dumazet wrote: > > > On 02/05/2019 08:29 AM, Andrew wrote: >> Hi all. >> >> After upgrade on PPPoE BRAS to kernel 4.9.153 I've got an kernel panic after >> a 3 days of uptime. >> >> Unfortunately kernel is compiled w/o debug info; I rebuilt kernel with debug >> info enab

Re: Kernel panic in eth_header

2019-02-05 Thread Eric Dumazet
On 02/05/2019 08:29 AM, Andrew wrote: > Hi all. > > After upgrade on PPPoE BRAS to kernel 4.9.153 I've got an kernel panic after > a 3 days of uptime. > > Unfortunately kernel is compiled w/o debug info; I rebuilt kernel with debug > info enabled (kernel is compiled with same function addres