Re: vfs: oops on open_by_handle_at() in linux-next

2012-10-09 Thread Sage Weil
On Sun, 7 Oct 2012, Hugh Dickins wrote: > On Mon, 8 Oct 2012, Al Viro wrote: > > On Sun, Oct 07, 2012 at 08:32:51PM -0700, Hugh Dickins wrote: > > > Thank you, Sasha: this should fix it, and similar in other FSes. > > > > > > > > > [PATCH] tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking >

Re: vfs: oops on open_by_handle_at() in linux-next

2012-10-07 Thread Hugh Dickins
On Mon, 8 Oct 2012, Al Viro wrote: > On Sun, Oct 07, 2012 at 08:32:51PM -0700, Hugh Dickins wrote: > > Thank you, Sasha: this should fix it, and similar in other FSes. > > > > > > [PATCH] tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking > > > > Fuzzing with trinity oopsed on the 1st instr

Re: vfs: oops on open_by_handle_at() in linux-next

2012-10-07 Thread Al Viro
On Sun, Oct 07, 2012 at 08:32:51PM -0700, Hugh Dickins wrote: > Thank you, Sasha: this should fix it, and similar in other FSes. > > > [PATCH] tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking > > Fuzzing with trinity oopsed on the 1st instruction of shmem_fh_to_dentry(), > u64 inum

Re: vfs: oops on open_by_handle_at() in linux-next

2012-10-07 Thread Hugh Dickins
On Sun, 7 Oct 2012, Sasha Levin wrote: > > While fuzzing with trinity inside a KVM tools guest using latest linux-next, > I've stumbled on the following: > > [ 74.082463] BUG: unable to handle kernel paging request at 880061cd3000 > [ 74.087481] IP: [] shmem_alloc_inode+0x40/0x40 > [ 7