x86/entry: A compat syscall bugfix and some test stuff
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- v2 Latest3 patches 1 replyIn review
- v13 patches 3 repliesSuperseded
Changes in v2 from the cover letter
- The fix is actually correct this time, I hope
Patches in v2 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | entry: Check that syscall entries and syscall exits matchinclude/ include/ init/ +1 more | +45 | 0 replies | |
| 2/3 | x86/entry: Fix entry/exit mismatch on failed fast 32-bit syscallsarch/ | +2 | 1 reply | |
| 3/3 | selftests/x86: Add a missing .note.GNU-stack section to thunks_32.Stools/ | +2 | 0 replies |
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Cover letter [PATCH v2 0/3] x86/entry: A compat syscall bugfix and some test stuff
The compat syscall argument fixup error path is wrong. Fix it.
This also adds some sanity checks to the kernel that catch the bug when running selftests.
Changes from v1:
- The fix is actually correct this time, I hope
Andy Lutomirski (3):
entry: Check that syscall entries and syscall exits match x86/entry: Fix entry/exit mismatch on failed fast 32-bit syscalls selftests/x86: Add a missing .note.GNU-stack section to thunks_32.S
arch/x86/entry/common.c | 3 ++- include/linux/entry-common.h | 11 +++++++++++ include/linux/sched.h | 1 + init/init_task.c | 9 +++++++++ kernel/entry/common.c | 25 ++++++++++++++++++++++++- tools/testing/selftests/x86/thunks_32.S | 2 ++ 6 files changed, 49 insertions(+), 2 deletions(-)
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2.29.2