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Pau Espin Pedrol gerrit-no-reply at lists.osmocom.orgHello Max, Jenkins Builder, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/9207 to look at the new patch set (#3). Change subject: gsm: kasumi: Fix dynamic-stack-buffer-overflow on out buffers not multiple of 64 bits ...................................................................... gsm: kasumi: Fix dynamic-stack-buffer-overflow on out buffers not multiple of 64 bits Fixes following AddressSanitizer report during gea_test run with gcc 8.1.0: ==8899==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7ffc5f1719bb at pc 0x7fe574adc5fe bp 0x7ffc5f171460 sp 0x7ffc5f171450 WRITE of size 1 at 0x7ffc5f1719bb thread T0 #0 0x7fe574adc5fd in osmo_store64be_ext ../../include/osmocom/core/bit64gen.h:75 #1 0x7fe574adc649 in osmo_store64be ../../include/osmocom/core/bit64gen.h:104 #2 0x7fe574ade936 in _kasumi_kgcore libosmocore/src/gsm/kasumi.c:186 #3 0x7fe574ae2532 in gea4 libosmocore/src/gsm/gea.c:44 #4 0x7fe574ae266c in gea3 libosmocore/src/gsm/gea.c:60 #5 0x7fe574a9b616 in gprs_cipher_run libosmocore/src/gsm/gprs_cipher_core.c:95 #6 0x56422d3fb2ee in test_gea libosmocore/tests/gea/gea_test.c:29 #7 0x56422d3fb506 in main libosmocore/tests/gea/gea_test.c:49 #8 0x7fe5730f406a in __libc_start_main (/usr/lib/libc.so.6+0x2306a) #9 0x56422d3fadf9 in _start (libosmocore/tests/gea/.libs/lt-gea_test+0x1df9) The kasumi_test is updated to calculate the entire array of bits according to expected result. Before this commit it worked by writing the entire last 64bit block, and addressSanitizer cannot catch it because the allocated buffer is 64bit aligned too. Change-Id: I7b2a0224a3b5527d5a3ad7e17efc73081b63eac1 --- M src/gsm/kasumi.c M tests/kasumi/kasumi_test.c 2 files changed, 15 insertions(+), 6 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/07/9207/3 -- To view, visit https://gerrit.osmocom.org/9207 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmocore Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: I7b2a0224a3b5527d5a3ad7e17efc73081b63eac1 Gerrit-Change-Number: 9207 Gerrit-PatchSet: 3 Gerrit-Owner: Pau Espin Pedrol <pespin at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: Max <msuraev at sysmocom.de> Gerrit-Reviewer: Pau Espin Pedrol <pespin at sysmocom.de> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180517/4f3c2108/attachment.htm>