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| author | Matthew Wilcox (Oracle) <[email protected]> | 2022-01-13 21:44:19 +0000 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <[email protected]> | 2022-01-13 21:50:50 +0000 |
| commit | 6840f9094f2bd788a316d8cb0a4e42538d3e47dd (patch) | |
| tree | fdf243f4cbabe294b4091af6c4696801a24e6e97 /lib/string_helpers.c | |
| parent | Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cl... (diff) | |
| download | kernel-6840f9094f2bd788a316d8cb0a4e42538d3e47dd.tar.gz kernel-6840f9094f2bd788a316d8cb0a4e42538d3e47dd.zip | |
pagevec: Initialise folio_batch->percpu_pvec_drained
When UBSAN is enabled, it reports an invalid value in __pagevec_release()
when accessing pvec->percpu_pvec_drained, which is simply whatever
garbage was on the stack. Initialise it when initialising the rest of
the folio_batch.
Fixes: 10331795fb79 ("pagevec: Add folio_batch")
Reported-by: Randy Dunlap <[email protected]>
Tested-by: Randy Dunlap <[email protected]>
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Diffstat (limited to 'lib/string_helpers.c')
0 files changed, 0 insertions, 0 deletions