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timesync: check cmsg length

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(cherry picked from commit 37df6d9b8d)
This commit is contained in:
Yu Watanabe 2021-08-29 20:55:44 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 0d11d72418
commit 69e624bc05
1 changed files with 2 additions and 0 deletions
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2
src/timesync/timesyncd-manager.c
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@ -468,6 +468,8 @@ static int manager_receive_response(sd_event_source *source, int fd, uint32_t re
switch (cmsg->cmsg_type) {
case SCM_TIMESTAMPNS:
assert(cmsg->cmsg_len == CMSG_LEN(sizeof(struct timespec)));
recv_time = (struct timespec *) CMSG_DATA(cmsg);
break;
}