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.
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(-) -- 2.29.2
