This is a note to let you know that I've just added the patch titled perf auxtrace: Fix no_size logic in addr_filter__resolve_kernel_syms() to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: perf-auxtrace-fix-no_size-logic-in-addr_filter__resolve_kernel_syms.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From c3a0bbc7ad7598dec5a204868bdf8a2b1b51df14 Mon Sep 17 00:00:00 2001 From: Adrian Hunter <adrian.hunter@xxxxxxxxx> Date: Fri, 24 Mar 2017 14:15:52 +0200 Subject: perf auxtrace: Fix no_size logic in addr_filter__resolve_kernel_syms() From: Adrian Hunter <adrian.hunter@xxxxxxxxx> commit c3a0bbc7ad7598dec5a204868bdf8a2b1b51df14 upstream. Address filtering with kernel symbols incorrectly resulted in the error "Cannot determine size of symbol" because the no_size logic was the wrong way around. Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Tested-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/1490357752-27942-1-git-send-email-adrian.hunter@xxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- tools/perf/util/auxtrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1826,7 +1826,7 @@ static int addr_filter__resolve_kernel_s filt->addr = start; if (filt->range && !filt->size && !filt->sym_to) { filt->size = size; - no_size = !!size; + no_size = !size; } } @@ -1840,7 +1840,7 @@ static int addr_filter__resolve_kernel_s if (err) return err; filt->size = start + size - filt->addr; - no_size = !!size; + no_size = !size; } /* The very last symbol in kallsyms does not imply a particular size */ Patches currently in stable-queue which might be from adrian.hunter@xxxxxxxxx are queue-4.9/perf-auxtrace-fix-no_size-logic-in-addr_filter__resolve_kernel_syms.patch