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  1. Bug #1837235
  2. Comment #4

Comment 4 for bug 1837235

Revision history for this message
Kleber Sacilotto de Souza (kleber-souza) wrote :

This is a kernel bug, introduced by one of these patches applied to xenial:

commit d823dfc03906fd278ae6f48219c4ed53faee6f9d
Author: Al Viro <email address hidden>
Date: Thu Jun 27 20:16:00 2019 +0200

    bio_copy_from_iter(): get rid of copying iov_iter

commit aceb27a7de5fc65a3fc70ccac344f33099e8a4dc
Author: Keith Busch <email address hidden>
Date: Thu Jun 27 20:16:00 2019 +0200

    block: Clear kernel memory before copying to user

commit a713ff5b13e8fd9e331fd84232806316aa9e9b2a
Author: Keith Busch <email address hidden>
Date: Thu Jun 27 20:16:00 2019 +0200

    block/bio: Do not zero user pages