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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS]igt@kms_plane_scaling@pipe-b-scaler-with-clipping-clamping - dmesg-warn - BUG: kernel NULL pointer dereference, address: 0000000000000018"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112320#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][SHARDS]igt@kms_plane_scaling@pipe-b-scaler-with-clipping-clamping - dmesg-warn - BUG: kernel NULL pointer dereference, address: 0000000000000018"
href="https://bugs.freedesktop.org/show_bug.cgi?id=112320">bug 112320</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>int set_page_dirty(struct page *page)
{
struct address_space *mapping = page_mapping(page);
page = compound_head(page);
if (likely(mapping)) {
int (*spd)(struct page *) = mapping->a_ops->set_page_dirty;
Smells fishy. It's memcorruption; may not be ours.</pre>
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