Gaute Hope <eg@gaute.vetsj.com> writes: > Hi, > > a user of astroid [0] ran into a issue [1] (full trace at issue) where > reading a long query causes a talloc_abort in notmuch_thread_get_tags > (). 'notmuch new' is running at the same time, and most likely a thread > in the query has been modified since the query was done. Note that a > notmuch_thread_get_authors () call returns NULL without causing a full > crash. The code causing the crash is: > > ``` > for (tags = notmuch_thread_get_tags (nm_thread); > notmuch_tags_valid (tags); > notmuch_tags_move_to_next (tags)) > { > tag = notmuch_tags_get (tags); // tag belongs to tags > } > > // or db.cc:508 in astroid/src. > ``` > The most likely cause of such a crash looks to me like nm_thread is NULL or corrupted when passed in to get_tags. It's used without checking as a talloc context, and that call to talloc never returns.