Messages in this thread | | | Date | Tue, 19 Feb 2013 13:29:52 -0500 | From | Dave Jones <> | Subject | Re: slab: odd BUG on kzalloc |
| |
On Tue, Feb 19, 2013 at 01:18:25PM -0500, Sasha Levin wrote:
> >> [ 169.930103] ---[ end trace 4d135f3def21b4bd ]--- > >> > >> The code translates to the following in fs/pipe.c:alloc_pipe_info : > >> > >> pipe = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL); > >> if (pipe) { > >> pipe->bufs = kzalloc(sizeof(struct pipe_buffer) * PIPE_DEF_BUFFERS, GFP_KERNEL); <=== this > >> if (pipe->bufs) { > >> init_waitqueue_head(&pipe->wait); > > Looks like it's not specific to pipe(). I've also got this one now: > > Since I've managed to reproduce it, I'll go ahead and add slub_debug and see what it tells us.
I'm curious, did you recently upgrade gcc, or other parts of the toolchain ? This, and one of the other 'weird' bugs you reported recently have me wondering if perhaps you're seeing a compiler bug.
Dave
| |