Pau Espin Pedrol has uploaded this change for review. (
https://gerrit.osmocom.org/9205
Change subject: tests: bitrev_test: Fix dynamic-stack-buffer-overflow
......................................................................
tests: bitrev_test: Fix dynamic-stack-buffer-overflow
Fixes following AddressSanitizer report:
==1983==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address
0x7ffc245f47e6 at pc 0x7f3e2deea68c bp 0x7ffc245f4750 sp 0x7ffc245f4740
WRITE of size 1 at 0x7ffc245f47e6 thread T0
#0 0x7f3e2deea68b in osmo_nibble_shift_right libosmocore/src/bits.c:92
#1 0x55c01902e1ab in sh_chk libosmocore/tests/bits/bitrev_test.c:215
#2 0x55c01902ed8f in main libosmocore/tests/bits/bitrev_test.c:305
#3 0x7f3e2c93006a in __libc_start_main (/usr/lib/libc.so.6+0x2306a)
#4 0x55c01902c059 in _start
(libosmocore/tests/bits/.libs/lt-bitrev_test+0x5059)
This patch can be seen as a follow-up of commit
4fd6023b0383e7efa3b7b0211104a86ff5d3d4f6, which already fixed the
left-shift case in the same way.
Change-Id: I6e86d0164b7e982bf7b7449d5b3abfb3e1e5da46
---
M tests/bits/bitrev_test.c
M tests/bits/bitrev_test.ok
2 files changed, 3 insertions(+), 4 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/05/9205/1
diff --git a/tests/bits/bitrev_test.c b/tests/bits/bitrev_test.c
index ed3939a..4a3c1b4 100644
--- a/tests/bits/bitrev_test.c
+++ b/tests/bits/bitrev_test.c
@@ -299,10 +299,11 @@
for (offs = 0; offs < 13; offs++) {
sh_chk(in1, ARRAY_SIZE(in1), offs, true);
sh_chk(in1, ARRAY_SIZE(in1), offs, false);
- sh_chk(in2, ARRAY_SIZE(in2), offs, true);
/* in2 is too short to shift left 12 nibbles */
- if (offs < 12)
+ if (offs < 12) {
+ sh_chk(in2, ARRAY_SIZE(in2), offs, true);
sh_chk(in2, ARRAY_SIZE(in2), offs, false);
+ }
}
return 0;
}
diff --git a/tests/bits/bitrev_test.ok b/tests/bits/bitrev_test.ok
index d2fb12c..580fb63 100644
--- a/tests/bits/bitrev_test.ok
+++ b/tests/bits/bitrev_test.ok
@@ -154,5 +154,3 @@
OUT: 0f00dcafedea
[8] L IN: f00dcafedeadbeef, nibble 12:
OUT: 00dcafedeadb
-[6] R IN: b00bbabeface, nibble 12:
- OUT: 0b00bbabefac
--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I6e86d0164b7e982bf7b7449d5b3abfb3e1e5da46
Gerrit-Change-Number: 9205
Gerrit-PatchSet: 1
Gerrit-Owner: Pau Espin Pedrol <pes...@sysmocom.de>
