Re: Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list"

Hi sll, On Thu, 25 Jun 2020 11:25:17 +1000 Stephen Rothwell wrote: > > On Wed, 24 Jun 2020 11:57:07 -0400 Qian Cai wrote: > > > > On Wed, May 13, 2020 at 12:29:52AM +0100, David Howells wrote: > > > Qian Cai wrote: > > > > > > > Reverted the linux-next commit ee8ad8190cb1 (“vfs, fsinfo:

Re: Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list"

Hi all, On Wed, 24 Jun 2020 11:57:07 -0400 Qian Cai wrote: > > On Wed, May 13, 2020 at 12:29:52AM +0100, David Howells wrote: > > Qian Cai wrote: > > > > > Reverted the linux-next commit ee8ad8190cb1 (“vfs, fsinfo: Add an RCU > > > safe per-ns mount list”) fixed the null-ptr-deref. > > >

Re: Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list"

On Wed, May 13, 2020 at 12:29:52AM +0100, David Howells wrote: > Qian Cai wrote: > > > Reverted the linux-next commit ee8ad8190cb1 (“vfs, fsinfo: Add an RCU safe > > per-ns mount list”) fixed the null-ptr-deref. > > Okay, I'm dropping this commit for now. What's the point of re-adding this bug

Re: Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list"

Qian Cai wrote: > Reverted the linux-next commit ee8ad8190cb1 (“vfs, fsinfo: Add an RCU safe > per-ns mount list”) fixed the null-ptr-deref. Okay, I'm dropping this commit for now. David

Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list"

Reverted the linux-next commit ee8ad8190cb1 (“vfs, fsinfo: Add an RCU safe per-ns mount list”) fixed the null-ptr-deref. # runc run root [ 1531.635242][ T] BUG: Kernel NULL pointer dereference on write at 0x [ 1531.635285][ T] Faulting instruction address: 0xc05689e0 [ 1