Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-20 Thread Chuck Lever
> On Jul 18, 2020, at 11:55 AM, Chuck Lever wrote: > > > >> On Jul 17, 2020, at 3:46 PM, Pierre Sauter wrote: >> >> Am Freitag, 17. Juli 2020, 19:56:09 CEST schrieb Kai-Heng Feng: Pierre, thanks for confirming! Kai-Heng suspected an upstream stable commit that is missing in

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-18 Thread Chuck Lever
> On Jul 17, 2020, at 3:46 PM, Pierre Sauter wrote: > > Am Freitag, 17. Juli 2020, 19:56:09 CEST schrieb Kai-Heng Feng: >>> Pierre, thanks for confirming! >>> >>> Kai-Heng suspected an upstream stable commit that is missing in 5.4.0-40, >>> but I don't have any good suggestions. >> >> Well,

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-17 Thread Pierre Sauter
Am Freitag, 17. Juli 2020, 19:56:09 CEST schrieb Kai-Heng Feng: > > Pierre, thanks for confirming! > > > > Kai-Heng suspected an upstream stable commit that is missing in 5.4.0-40, > > but I don't have any good suggestions. > > Well, Ubuntu's 5.4 kernel is based on upstream stable v5.4, so I aske

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-17 Thread Kai-Heng Feng
> On Jul 18, 2020, at 01:34, Chuck Lever wrote: > > > >> On Jul 17, 2020, at 1:29 PM, Pierre Sauter wrote: >> >> Hi Chuck, >> >> Am Donnerstag, 16. Juli 2020, 21:25:40 CEST schrieb Chuck Lever: >>> So this makes me think there's a possibility you are not using upstream >>> stable kernels.

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-17 Thread Chuck Lever
> On Jul 17, 2020, at 1:29 PM, Pierre Sauter wrote: > > Hi Chuck, > > Am Donnerstag, 16. Juli 2020, 21:25:40 CEST schrieb Chuck Lever: >> So this makes me think there's a possibility you are not using upstream >> stable kernels. I can't help if I don't know what source code and commit >> stre

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-17 Thread Pierre Sauter
Hi Chuck, Am Donnerstag, 16. Juli 2020, 21:25:40 CEST schrieb Chuck Lever: > So this makes me think there's a possibility you are not using upstream > stable kernels. I can't help if I don't know what source code and commit > stream you are using. It also makes me question the bisect result. Yes

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-16 Thread Chuck Lever
Hi Pierre- > On Jul 16, 2020, at 2:40 PM, Pierre Sauter wrote: > > Hi, > > Am 2020-07-15 20:54, schrieb Chuck Lever: >> v5.4.40 does not have 31c9590ae468 and friends, but the claim is this >> one crashes? > > To my knowledge 31c9590ae468 and friends are in v5.4.40. Those upstream commits wer

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-16 Thread Pierre Sauter
Hi, Am 2020-07-15 20:54, schrieb Chuck Lever: > v5.4.40 does not have 31c9590ae468 and friends, but the claim is this > one crashes? To my knowledge 31c9590ae468 and friends are in v5.4.40. > And v5.4.51 has those three and 89a3c9f5b9f0, which Pierre claims fixes > the problem for him; but anoth

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-15 Thread Chuck Lever
> On Jul 15, 2020, at 11:14 AM, Chuck Lever wrote: > > > >> On Jul 15, 2020, at 11:08 AM, Kai-Heng Feng >> wrote: >> >>> On Jul 15, 2020, at 23:02, Chuck Lever wrote: >>> On Jul 15, 2020, at 10:48 AM, Kai-Heng Feng wrote: Hi, Multiple users reported NFS

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-15 Thread Chuck Lever
> On Jul 15, 2020, at 11:08 AM, Kai-Heng Feng > wrote: > >> On Jul 15, 2020, at 23:02, Chuck Lever wrote: >> >>> On Jul 15, 2020, at 10:48 AM, Kai-Heng Feng >>> wrote: >>> >>> Hi, >>> >>> Multiple users reported NFS causes NULL pointer dereference [1] on Ubuntu, >>> due to commit "SUNR

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-15 Thread Kai-Heng Feng
> On Jul 15, 2020, at 23:02, Chuck Lever wrote: > > > >> On Jul 15, 2020, at 10:48 AM, Kai-Heng Feng >> wrote: >> >> Hi, >> >> Multiple users reported NFS causes NULL pointer dereference [1] on Ubuntu, >> due to commit "SUNRPC: Add "@len" parameter to gss_unwrap()" and commit >> "SUNRP

Re: [Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-15 Thread Chuck Lever
> On Jul 15, 2020, at 10:48 AM, Kai-Heng Feng > wrote: > > Hi, > > Multiple users reported NFS causes NULL pointer dereference [1] on Ubuntu, > due to commit "SUNRPC: Add "@len" parameter to gss_unwrap()" and commit > "SUNRPC: Fix GSS privacy computation of auth->au_ralign". > > The same

[Regression] "SUNRPC: Add "@len" parameter to gss_unwrap()" breaks NFS Kerberos on upstream stable 5.4.y

2020-07-15 Thread Kai-Heng Feng
Hi, Multiple users reported NFS causes NULL pointer dereference [1] on Ubuntu, due to commit "SUNRPC: Add "@len" parameter to gss_unwrap()" and commit "SUNRPC: Fix GSS privacy computation of auth->au_ralign". The same issue happens on upstream stable 5.4.y branch. The mainline kernel doesn't ha