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| author | John Baldwin <jhb@FreeBSD.org> | 2019-08-03 01:02:52 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2019-08-03 01:02:52 +0000 |
| commit | f422bc30926c9febfd83df43ff492f38f071fd93 (patch) | |
| tree | 9773cb3b565512a5ce776b55697f92c94df4fb81 /sys/kern/kern_exec.c | |
| parent | dfb39567a2649def493b71714a4e76db1a92d5d8 (diff) | |
| download | src-f422bc30926c9febfd83df43ff492f38f071fd93.tar.gz src-f422bc30926c9febfd83df43ff492f38f071fd93.zip | |
Set ISOPEN in namei flags when opening executable interpreters.
These vnodes are explicitly opened via VOP_OPEN via
exec_check_permissions identical to the main exectuable image.
Setting ISOPEN allows filesystems to perform suitable checks in
VOP_LOOKUP (e.g. close-to-open consistency in the NFS client).
Reviewed by: kib
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D21129
Notes
Notes:
svn path=/head/; revision=350549
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 50d4f8b585a4..e129f9238f18 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -639,7 +639,7 @@ interpret: free(imgp->freepath, M_TEMP); imgp->freepath = NULL; /* set new name to that of the interpreter */ - NDINIT(&nd, LOOKUP, LOCKLEAF | FOLLOW | SAVENAME, + NDINIT(&nd, LOOKUP, ISOPEN | LOCKLEAF | FOLLOW | SAVENAME, UIO_SYSSPACE, imgp->interpreter_name, td); args->fname = imgp->interpreter_name; goto interpret; |