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| author | Luca Clementi <luca.clementi@gmail.com> | 2014-06-09 22:05:38 -0700 |
|---|---|---|
| committer | Dmitry V. Levin <ldv@altlinux.org> | 2014-06-11 00:09:55 +0000 |
| commit | f1d73110a00122879a0fdb63bbeffc0bd161e857 (patch) | |
| tree | a1f7a72d632a5710e9f51902ba56e59b90ed9ccc | |
| parent | 6555711a6ee9b63a5a9c5e3e530d066306c0760c (diff) | |
| download | strace-f1d73110a00122879a0fdb63bbeffc0bd161e857.tar.gz | |
unwind: disable stack trace with multiple personalities
* unwind.c (unwind_cache_invalidate, unwind_print_stacktrace,
unwind_capture_stacktrace): Disable stack tracing of non-default
personality processes.
| -rw-r--r-- | unwind.c | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -269,6 +269,12 @@ rebuild_cache_if_invalid(struct tcb *tcp, const char *caller) void unwind_cache_invalidate(struct tcb* tcp) { +#if SUPPORTED_PERSONALITIES > 1 + if (tcp->currpers != DEFAULT_PERSONALITY) { + /* disable strack trace */ + return; + } +#endif mmap_cache_generation++; DPRINTF("tgen=%u, ggen=%u, tcp=%p, cache=%p", "increment", tcp->mmap_cache_generation, @@ -566,6 +572,12 @@ queue_print(struct queue_t *queue) void unwind_print_stacktrace(struct tcb* tcp) { +#if SUPPORTED_PERSONALITIES > 1 + if (tcp->currpers != DEFAULT_PERSONALITY) { + /* disable strack trace */ + return; + } +#endif if (tcp->queue->head) { DPRINTF("tcp=%p, queue=%p", "queueprint", tcp, tcp->queue->head); queue_print(tcp->queue); @@ -582,6 +594,12 @@ unwind_print_stacktrace(struct tcb* tcp) void unwind_capture_stacktrace(struct tcb *tcp) { +#if SUPPORTED_PERSONALITIES > 1 + if (tcp->currpers != DEFAULT_PERSONALITY) { + /* disable strack trace */ + return; + } +#endif if (tcp->queue->head) error_msg_and_die("bug: unprinted entries in queue"); |