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| author | Willgerodt, Felix <felix.willgerodt@intel.com> | 2023-08-29 13:28:04 +0000 |
|---|---|---|
| committer | Willgerodt, Felix <felix.willgerodt@intel.com> | 2023-08-30 06:32:05 +0000 |
| commit | 59487af3c8490bc5961d330bc0ef4d5f05ecdc59 (patch) | |
| tree | d7af8aa98da4a1538405adac61aa826dde02b401 /gdbserver | |
| parent | fe0f44a0caf59db09ad4bc16a46926aba96ce60d (diff) | |
| download | gdb-59487af3c8490bc5961d330bc0ef4d5f05ecdc59.zip gdb-59487af3c8490bc5961d330bc0ef4d5f05ecdc59.tar.gz gdb-59487af3c8490bc5961d330bc0ef4d5f05ecdc59.tar.bz2 | |
gdbserver, linux-low: add a couple of nullptr assertions.
This safeguards a couple of places that may theoretically return NULL but
must not in this specific context. These were found by a static analysis tool.
Approved-By: Tom Tromey <tom@tromey.com>
Diffstat (limited to 'gdbserver')
| -rw-r--r-- | gdbserver/linux-low.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc index e1806ad..40b6a90 100644 --- a/gdbserver/linux-low.cc +++ b/gdbserver/linux-low.cc @@ -1169,6 +1169,7 @@ linux_process_target::attach (unsigned long pid) /* Don't ignore the initial SIGSTOP if we just attached to this process. It will be collected by wait shortly. */ initial_thread = find_thread_ptid (ptid_t (pid, pid)); + gdb_assert (initial_thread != nullptr); initial_thread->last_resume_kind = resume_stop; /* We must attach to every LWP. If /proc is mounted, use that to @@ -1198,6 +1199,7 @@ linux_process_target::attach (unsigned long pid) gdb_assert (lwpid > 0); lwp = find_lwp_pid (ptid_t (lwpid)); + gdb_assert (lwp != nullptr); if (!WIFSTOPPED (wstat) || WSTOPSIG (wstat) != SIGSTOP) { @@ -1572,6 +1574,7 @@ linux_process_target::detach (process_info *process) }); main_lwp = find_lwp_pid (ptid_t (process->pid)); + gdb_assert (main_lwp != nullptr); detach_one_lwp (main_lwp); mourn (process); @@ -2512,6 +2515,7 @@ linux_process_target::wait_for_event_filtered (ptid_t wait_ptid, else if (filter_ptid != null_ptid) { requested_child = find_lwp_pid (filter_ptid); + gdb_assert (requested_child != nullptr); if (stopping_threads == NOT_STOPPING_THREADS && requested_child->status_pending_p |