On Sat, 14 Jan 2006, Al Viro wrote:
> On Sat, Jan 14, 2006 at 05:17:37AM -0800, Andrew Morton wrote:
> > You oopsed accessing 0x00000030, and offsetof(super_block, s_flags) is
> > 0x30. So autofs4 has passed in a dentry which has a NULL
> > dentry->d_inode->i_sb and the new code didn't expect that.
>
> It's not just new code... inode->i_sb should _never_ be NULL, period.
> We set it immediately after memory had been allocated by alloc_inode()
> and never modify afterwards, let alone reset to NULL.
>
I don't do such things in the autofs4 module either.
I'm puzzled by this?
Ian
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