diff options
| author | Matthew Wilcox (Oracle) | 2022-01-13 16:44:19 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) | 2022-01-13 16:50:50 -0500 |
| commit | 6840f9094f2bd788a316d8cb0a4e42538d3e47dd (patch) | |
| tree | fdf243f4cbabe294b4091af6c4696801a24e6e97 /block/bio.c | |
| parent | 455e73a07f6e288b0061dfcf4fcf54fa9fe06458 (diff) | |
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 <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'block/bio.c')
0 files changed, 0 insertions, 0 deletions