Re: [uml-devel] WARNING: at mm/mmap.c:2757 exit_mmap+0x161/0x170()

2013-05-15 Thread richard -rw- weinberger
On Wed, May 15, 2013 at 9:30 PM, Toralf Förster wrote: > On 05/15/2013 09:11 PM, richard -rw- weinberger wrote: >> On Wed, May 15, 2013 at 9:06 PM, Toralf Förster >> wrote: >>> On 05/13/2013 09:12 AM, richard -rw- weinberger wrote: This looks like another issue. Are you testing process

Re: [uml-devel] WARNING: at mm/mmap.c:2757 exit_mmap+0x161/0x170()

2013-05-15 Thread Toralf Förster
On 05/15/2013 09:11 PM, richard -rw- weinberger wrote: > On Wed, May 15, 2013 at 9:06 PM, Toralf Förster > wrote: >> On 05/13/2013 09:12 AM, richard -rw- weinberger wrote: >>> This looks like another issue. >>> Are you testing process_vm_writev() with trinity? >>> Looks like it managed to overwri

Re: [uml-devel] WARNING: at mm/mmap.c:2757 exit_mmap+0x161/0x170()

2013-05-15 Thread richard -rw- weinberger
On Wed, May 15, 2013 at 9:06 PM, Toralf Förster wrote: > On 05/13/2013 09:12 AM, richard -rw- weinberger wrote: >> This looks like another issue. >> Are you testing process_vm_writev() with trinity? >> Looks like it managed to overwrite the stub page of a process, which >> is not good. > nope, it

Re: [uml-devel] WARNING: at mm/mmap.c:2757 exit_mmap+0x161/0x170()

2013-05-15 Thread Toralf Förster
On 05/13/2013 09:12 AM, richard -rw- weinberger wrote: > This looks like another issue. > Are you testing process_vm_writev() with trinity? > Looks like it managed to overwrite the stub page of a process, which > is not good. nope, it is the mremap syscall. A command like $>trinity -c mremap -N