[PATCH 3.19.y-ckt 143/170] perf tools: handle spaces in file names obtained from /proc/pid/maps

From: Kamal Mostafa
Date: Fri Apr 01 2016 - 21:04:23 EST


3.19.8-ckt18 -stable review patch. If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: =?UTF-8?q?Marcin=20=C5=9Alusarz?= <marcin.slusarz@xxxxxxxxx>

commit 89fee59b504f86925894fcc9ba79d5c933842f93 upstream.

Steam frequently puts game binaries in folders with spaces.

Note: "(deleted)" markers are now treated as part of the file name.

Signed-off-by: Marcin Ålusarz <marcin.slusarz@xxxxxxxxx>
Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Fixes: 6064803313ba ("perf tools: Use sscanf for parsing /proc/pid/maps")
Link: http://lkml.kernel.org/r/20160119190303.GA17579@marcin-Inspiron-7720
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
tools/perf/util/event.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 6c6d044..c4f01d6 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -198,7 +198,7 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
strcpy(execname, "");

/* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
- n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %s\n",
+ n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %[^\n]\n",
&event->mmap2.start, &event->mmap2.len, prot,
&event->mmap2.pgoff, &event->mmap2.maj,
&event->mmap2.min,
--
2.7.4