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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-05-12 19:04:44 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-05-19 03:13:15 +0000 |
| commit | eea4a0b81aedfdbb80245e779c92a74131c572aa (patch) | |
| tree | f5f9fc600612e3e0fa2cf203b10241ca4ca61cb6 | |
| parent | 824cca5934e522b72d9806cf493c56d030f8ce63 (diff) | |
| download | src-eea4a0b81aedfdbb80245e779c92a74131c572aa.tar.gz src-eea4a0b81aedfdbb80245e779c92a74131c572aa.zip | |
vn_open_cred(): disallow O_CREAT | O_EMPTY_PATH
(cherry picked from commit 6de3cf14c47d97b423ae25d5bd1d80b896ecd9e6)
| -rw-r--r-- | sys/kern/vfs_vnops.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 670bc4bf8fcc..8f583329f067 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -233,7 +233,8 @@ restart: first_open = false; fmode = *flagp; if ((fmode & (O_CREAT | O_EXCL | O_DIRECTORY)) == (O_CREAT | - O_EXCL | O_DIRECTORY)) + O_EXCL | O_DIRECTORY) || + (fmode & (O_CREAT | O_EMPTY_PATH)) == (O_CREAT | O_EMPTY_PATH)) return (EINVAL); else if ((fmode & (O_CREAT | O_DIRECTORY)) == O_CREAT) { ndp->ni_cnd.cn_nameiop = CREATE; |