On Wed, Aug 11, 2021 at 04:39:46PM +0900, Masami Hiramatsu wrote: > commit a9d10ca4986571bffc19778742d508cc8dd13e02 upstream > > Since the string type can not be the target of the addition / subtraction > operation, it must be rejected. Without this fix, the string type silently > converted to digits. > > Link: https://lkml.kernel.org/r/162742654278.290973.1523000673366456634.stgit@devnote2 > > Cc: stable@xxxxxxxxxxxxxxx > Fixes: 100719dcef447 ("tracing: Add simple expression support to hist triggers") > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> > Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx> > --- > - Since there is no hist_err() APIs in 4.19, this just check the flag > and return an error without any error messages. > --- > kernel/trace/trace_events_hist.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) Both backports applied, thanks. greg k-h
