x86: don't default to executable mappings
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- v2 Latest4 patches 9 repliesIn review
- v14 patches 14 repliesSuperseded
Patches in v2 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/4 | x86: move syscall trampolines off the stackxen/ xen/ xen/ +7 more | +348 | 6 replies | |
| 2/4 | x86emul: move stubs off the stacktools/ xen/ xen/ +1 more | +136 | 1 reply | |
| 3/4 | x86: move I/O emulation stubs off the stackxen/ | +22 | 1 reply | |
| 4/4 | x86: switch default mapping attributes to non-executablexen/ xen/ xen/ +5 more | +120 | 1 reply |
Reviews trailers per patch
All 4 patches have a Reviewed-by or Acked-by.
| Patch | Andrew Cooper |
|---|---|
| 1/4 | R-b |
| 2/4 | R-b |
| 3/4 | R-b |
| 4/4 | R-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH v2 0/4] x86: don't default to executable mappings
Particularly for the 1:1 mapping it was pointed out that in order to limit the damage from security issues we should avoid mapping things executable when they don't need to be.
1: move syscall trampolines off the stack
2: emul: move stubs off the stack
3: move I/O emulation stubs off the stack
4: switch default mapping attributes to non-executable
Signed-off-by Jan Beulich <[email protected]>