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    SubjectRe: [2.6.24 REGRESSION] BUG: Soft lockup - with VFS
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    On Mon, 2008-02-04 at 21:39 -0800, Andrew Morton wrote:
    > On Mon, 28 Jan 2008 09:31:43 +0100 "Oliver Pinter (Pintér Olivér)" <oliver.pntr@gmail.com> wrote:
    >
    > > hi all!
    > >
    > > in the 2.6.24 become i some soft lockups with usb-phone, when i pluged
    > > in the mobile, then the vfs-layer crashed. am afternoon can i the
    > > .config send, and i bisected the kernel, when i have time.
    > >
    > > pictures from crash:
    > > http://students.zipernowsky.hu/~oliverp/kernel/regression_2624/
    >
    > It looks like selinux's file_has_perm() is doing spin_lock() on an
    > uninitialised (or already locked) spinlock.

    The trace looks bogus to me - I don't see how file_has_perm() could have
    been called there, and file_has_perm() doesn't directly take any spin
    locks.

    --
    Stephen Smalley
    National Security Agency

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