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Linux kernel does not export to the user space ipc_perm.mode values

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other than S_IRWXUGO (0777).

MFC after:	1 month
This commit is contained in:
Dmitry Chagin 2017-03-07 17:09:12 +00:00
parent ab60bc8488
commit c10e04f5a0
1 changed files with 2 additions and 1 deletions
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3
sys/compat/linux/linux_ipc.c
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@ -38,6 +38,7 @@ __FBSDID("$FreeBSD$");
#include <sys/msg.h>
#include <sys/sem.h>
#include <sys/shm.h>
#include <sys/stat.h>
#include "opt_compat.h"
@ -151,7 +152,7 @@ bsd_to_linux_ipc_perm(struct ipc_perm *bpp, struct l_ipc64_perm *lpp)
lpp->gid = bpp->gid;
lpp->cuid = bpp->cuid;
lpp->cgid = bpp->cgid;
lpp->mode = bpp->mode;
lpp->mode = bpp->mode & (S_IRWXU|S_IRWXG|S_IRWXO);
lpp->seq = bpp->seq;
}