diff options
Diffstat (limited to 'arch/s390/kernel/unwind_bc.c')
| -rw-r--r-- | arch/s390/kernel/unwind_bc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kernel/unwind_bc.c b/arch/s390/kernel/unwind_bc.c index ef42d5f77ce7..da2d4d4c5b0e 100644 --- a/arch/s390/kernel/unwind_bc.c +++ b/arch/s390/kernel/unwind_bc.c @@ -92,6 +92,10 @@ bool unwind_next_frame(struct unwind_state *state) } } + /* Sanity check: ABI requires SP to be aligned 8 bytes. */ + if (sp & 0x7) + goto out_err; + ip = ftrace_graph_ret_addr(state->task, &state->graph_idx, ip, (void *) sp); /* Update unwind state */ |