diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | nptl/allocatestack.c | 9 |
2 files changed, 13 insertions, 2 deletions
@@ -1,3 +1,9 @@ +2017-10-13 Peter Zelezny <peter.zelezny@dektech.com.au> + + [BZ #22153] + * nptl/allocatestack.c (__nptl_setxid_error): Preserve error code + in coredumps. + 2017-10-13 James Clarke <jrtc27@jrtc27.com> * sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela): diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c index 196371a..ad9add8 100644 --- a/nptl/allocatestack.c +++ b/nptl/allocatestack.c @@ -1105,8 +1105,13 @@ __nptl_setxid_error (struct xid_command *cmdp, int error) if (olderror == error) break; if (olderror != -1) - /* Mismatch between current and previous results. */ - abort (); + { + /* Mismatch between current and previous results. Save the + error value to memory so that is not clobbered by the + abort function and preserved in coredumps. */ + volatile int xid_err __attribute__((unused)) = error; + abort (); + } } while (atomic_compare_and_exchange_bool_acq (&cmdp->error, error, -1)); } |