samples/ftrace: Mark my_tramp[12]? global
my_tramp[12]? are declared as global functions in C, but they are not
marked global in the inline assembly definition. This mismatch confuses
Clang's Control-Flow Integrity checking. Fix the definitions by adding
.globl.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 9d907f1ae80b8 ("ftrace/samples: Add a sample module that implements modify_ftrace_direct()")
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Sami Tolvanen <[email protected]>
Signed-off-by: Steven Rostedt (VMware) <[email protected]>
3 files changed
