| commit | 430f24f94c8a174d411a550d7b5529301922e67a | [log] [tgz] |
|---|---|---|
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | Fri Jan 17 17:45:12 2020 -0500 |
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | Fri Jan 17 22:32:24 2020 -0500 |
| tree | 7a23f31ee6f3bca6a09e1ce0c23fa62d4e65c5e1 | |
| parent | 82a958497dc9120e0e8043da82273baedd255aaf [diff] |
XArray: Fix infinite loop with entry at ULONG_MAX If there is an entry at ULONG_MAX, xa_for_each() will overflow the 'index + 1' in xa_find_after() and wrap around to 0. Catch this case and terminate the loop by returning NULL. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: stable@vger.kernel.org