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Prevent ushort values overflow when convert new Linux 64-bit ipc

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struct to the old Linux ipc struct.

Reported by:	PVS-Studio
XMFC with:	r314866

MFC after:	3 days
This commit is contained in:
Dmitry Chagin 2017-04-07 05:37:08 +00:00
parent 69cfbe8851
commit c695024348
1 changed files with 2 additions and 2 deletions
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4
sys/compat/linux/linux_ipc.c
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@ -348,11 +348,11 @@ linux_msqid_pushdown(l_int ver, struct l_msqid64_ds *linux_msqid64, caddr_t uadd
linux_msqid.msg_cbytes = linux_msqid64->msg_cbytes;
linux_msqid.msg_lcbytes = linux_msqid64->msg_cbytes;
if (linux_msqid64->msg_qnum > USHRT_MAX)
linux_msqid.msg_qnum = linux_msqid64->msg_qnum;
linux_msqid.msg_qnum = USHRT_MAX;
else
linux_msqid.msg_qnum = linux_msqid64->msg_qnum;
if (linux_msqid64->msg_qbytes > USHRT_MAX)
linux_msqid.msg_qbytes = linux_msqid64->msg_qbytes;
linux_msqid.msg_qbytes = USHRT_MAX;
else
linux_msqid.msg_qbytes = linux_msqid64->msg_qbytes;
linux_msqid.msg_lqbytes = linux_msqid64->msg_qbytes;