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    SubjectRe: pinpointed: PANIC caused by dequeue_signal() in current Linus BK tree
    On Andrew Morton's suggestion I tried with preempt disabled. That still 
    gives the same result.

    I then also tried to compile the kernel for UP and it still gives the same
    result.

    Anton

    At 00:21 09/09/02, Anton Altaparmakov wrote:
    >Hi,
    >
    >I had a look and the panic actually happens in collect_signal() in here:
    >
    >static inline int collect_signal(int sig, struct sigpending *list,
    >siginfo_t *info)
    >{
    > if (sigismember(&list->signal, sig)) {
    > /* Collect the siginfo appropriate to this signal. */
    > struct sigqueue *q, **pp;
    > pp = &list->head;
    > while ((q = *pp) != NULL) {
    >q becomes 0x5a5a5a5a ^^^^^^^^^
    > if (q->info.si_signo == sig)
    >0x5a5a5a5a is dereferenced ^^^^^^^^^^^^^^^^
    > goto found_it;
    > pp = &q->next;
    > }
    >
    >Hope this helps.
    >
    >Best regards,
    >
    > Anton

    --
    "I've not lost my mind. It's backed up on tape somewhere." - Unknown
    --
    Anton Altaparmakov <aia21 at cantab.net> (replace at with @)
    Linux NTFS Maintainer / IRC: #ntfs on irc.freenode.net
    WWW: http://linux-ntfs.sf.net/ & http://www-stu.christs.cam.ac.uk/~aia21/

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