Attention is currently required from: Hoernchen, daniel, fixeria, jolly,
osmith, pespin.
Hello Hoernchen, Jenkins Builder, daniel, fixeria, jolly, laforge, osmith,
I'd like you to reexamine a change. Please visit
https://gerrit.osmocom.org/c/libosmocore/+/41950?usp=email
to look at the new patch set (#3).
Change subject: osmo_io: Fix misalignment of iofd->cmsg used as struct cmsghdr
......................................................................
osmo_io: Fix misalignment of iofd->cmsg used as struct cmsghdr
Fixes following ASAN runtime error:
"""
src/stream.c:398:47: runtime error: member access within misaligned address
0x516000012b81 for type 'struct cmsghdr', which requires 8 byte alignment
0x516000012b81: note: pointer points here
51 00 00 00 30 00 00 00 00 00 00 00 84 00 00 00 01 00 00 00 00 00 00 00 00
00 00 00 00 00 00 03
^
"""
Current GCC documentation [1] states that __attribute__ ((__aligned__
(alignment))) is the older sytnax. The newer _Alignas mimics the
standarized alignas() in C23. Since we build with CLAGS=-std=gnu11 we
are fine using _Alignas, which was introduced in C11.
[1]
https://www.gnu.org/software/c-intro-and-ref/manual/html_node/Type-Alignment.html
Related: OS#6905
Change-Id: Ia80dfc4dbffe85514b18dcf8d36b85bfafd76d64
---
M src/core/osmo_io_internal.h
1 file changed, 5 insertions(+), 2 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/50/41950/3
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Gerrit-MessageType: newpatchset
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: Ia80dfc4dbffe85514b18dcf8d36b85bfafd76d64
Gerrit-Change-Number: 41950
Gerrit-PatchSet: 3
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