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[2/3] leaking_addresses: skip '/proc/1/syscall'

Message ID 1519706711-18580-3-git-send-email-me@tobin.cc (mailing list archive)
State New, archived
Headers show

Commit Message

Tobin Harding Feb. 27, 2018, 4:45 a.m. UTC 
The pointers listed in /proc/1/syscall are user pointers, and negative
syscall args will show up like kernel addresses.

For example

/proc/31808/syscall: 0 0x3 0x55b107a38180 0x2000 0xffffffffffffffb0 \
0x55b107a302d0 0x55b107a38180 0x7fffa313b8e8 0x7ff098560d11

Skip parsing /proc/1/syscall

Reported-by: Tycho Andersen <tycho@tycho.ws>
Signed-off-by: Tobin C. Harding <me@tobin.cc>
---
 scripts/leaking_addresses.pl | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/scripts/leaking_addresses.pl b/scripts/leaking_addresses.pl
index fb40e2828f43..ac84a164a528 100755
--- a/scripts/leaking_addresses.pl
+++ b/scripts/leaking_addresses.pl
@@ -60,6 +60,7 @@  my $page_offset_32bit = 0;	# Page offset for 32-bit kernel.
 my @skip_abs = (
 	'/proc/kmsg',
 	'/proc/device-tree',
+	'/proc/1/syscall',
 	'/sys/firmware/devicetree',
 	'/sys/kernel/debug/tracing/trace_pipe',
 	'/sys/kernel/security/apparmor/revision');