diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kernel/unwind_bc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/kernel/unwind_bc.c b/arch/s390/kernel/unwind_bc.c index e1371cdf9fa5..ef42d5f77ce7 100644 --- a/arch/s390/kernel/unwind_bc.c +++ b/arch/s390/kernel/unwind_bc.c @@ -57,6 +57,11 @@ bool unwind_next_frame(struct unwind_state *state) ip = READ_ONCE_NOCHECK(sf->gprs[8]); reliable = false; regs = NULL; + if (!__kernel_text_address(ip)) { + /* skip bogus %r14 */ + state->regs = NULL; + return unwind_next_frame(state); + } } else { sf = (struct stack_frame *) state->sp; sp = READ_ONCE_NOCHECK(sf->back_chain); |