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| author | Pau Espin Pedrol <pespin@sysmocom.de> | 2018-05-16 17:07:27 +0200 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2018-05-16 17:10:33 +0200 |
| commit | c5c955caae1e8fa922ded4ea31165b98bfe63fbc (patch) | |
| tree | cee14cb074fb31a492a610187594066e6b6695cf /tests/bits/bitrev_test.c | |
| parent | 0062a5fbbffec5f0e3b32be9aaf63105a89d80b9 (diff) | |
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
Diffstat (limited to 'tests/bits/bitrev_test.c')
| -rw-r--r-- | tests/bits/bitrev_test.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tests/bits/bitrev_test.c b/tests/bits/bitrev_test.c index ed3939a3..4a3c1b47 100644 --- a/tests/bits/bitrev_test.c +++ b/tests/bits/bitrev_test.c @@ -299,10 +299,11 @@ int main(int argc, char **argv) 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; } |