diff options
| author | Matthew Wilcox (Oracle) <[email protected]> | 2020-10-15 20:13:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-10-16 11:11:22 -0700 |
| commit | 50b7d85680086126d7bd91dae81d57d4cb1ab6b7 (patch) | |
| tree | 074ff542cbe3325e7d985924209870b86fd9168b /scripts/gdb/linux/tasks.py | |
| parent | 4d45e75a9955ade5c2f49bd96fc4173b2cec9a72 (diff) | |
ramfs: fix nommu mmap with gaps in the page cache
ramfs needs to check that pages are both physically contiguous and
contiguous in the file. If the page cache happens to have, eg, page A for
index 0 of the file, no page for index 1, and page A+1 for index 2, then
an mmap of the first two pages of the file will succeed when it should
fail.
Fixes: 642fb4d1f1dd ("[PATCH] NOMMU: Provide shared-writable mmap support on ramfs")
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: David Howells <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'scripts/gdb/linux/tasks.py')
0 files changed, 0 insertions, 0 deletions