Description: stack-out-of-bounds write in jbd2_journal_dirty_metadata() References: https://bugzilla.kernel.org/show_bug.cgi?id=200071 https://patchwork.ozlabs.org/patch/930638/ https://patchwork.ozlabs.org/patch/930641/ Notes: carnil> Upstream 4.9.x series did only contain the first part in carnil> 4.9.112. The backport of 8bc1379b82b8 is requested via carnil> <20181011185142.104586-2-fengc@google.com> . Bugs: upstream: released (4.18-rc4) [e09463f220ca9a1a1ecfda84fcda658f99a1f12a, 8bc1379b82b8e809eef77a9fedbb75c6c297be19] 4.9-upstream-stable: released (4.9.112) [8ef97ef67ce0f8fc3d32c7218e6b412e479ee2ab], (4.9.135) [7dd55897f23c4e3e3a864c5c72722f7e412138e9] 3.16-upstream-stable: released (3.16.58) [jbd2-don-t-mark-block-as-modified-if-the-handle-is-out-of-credits.patch, ext4-avoid-running-out-of-journal-credits-when-appending-to-an.patch] sid: released (4.17.3-1) [bugfix/all/jbd2-don-t-mark-block-as-modified-if-the-handle-is-o.patch, bugfix/all/ext4-avoid-running-out-of-journal-credits-when-appen.patch] 4.9-stretch-security: released (4.9.110-1) [bugfix/all/jbd2-don-t-mark-block-as-modified-if-the-handle-is-o.patch, bugfix/all/ext4-avoid-running-out-of-journal-credits-when-appen.patch] 3.16-jessie-security: released (3.16.59-1)