diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2021-07-16 02:39:27 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2021-07-23 11:49:31 +0000 |
| commit | 51095d36de449526a80da6ca859185a0107a497f (patch) | |
| tree | f3bbaff644a3bbc436afff4baeeb6dc4c120e58a | |
| parent | 572e3575dba591f372633a38d76ce7904d1a1b2e (diff) | |
| download | src-51095d36de449526a80da6ca859185a0107a497f.tar.gz src-51095d36de449526a80da6ca859185a0107a497f.zip | |
nfssvc: Zero the buffer copied out when NFSSVC_DUMPMNTOPTS is set
Reported by: KMSAN
Sponsored by: The FreeBSD Foundation
(cherry picked from commit 7a9bc8a82ec20f9208643f1615ea4ca1d0e5d933)
| -rw-r--r-- | sys/fs/nfsclient/nfs_clport.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/fs/nfsclient/nfs_clport.c b/sys/fs/nfsclient/nfs_clport.c index 264d99626394..6364cce6626c 100644 --- a/sys/fs/nfsclient/nfs_clport.c +++ b/sys/fs/nfsclient/nfs_clport.c @@ -1312,7 +1312,8 @@ nfssvc_nfscl(struct thread *td, struct nfssvc_args *uap) error = EINVAL; } if (error == 0) { - buf = malloc(dumpmntopts.ndmnt_blen, M_TEMP, M_WAITOK); + buf = malloc(dumpmntopts.ndmnt_blen, M_TEMP, M_WAITOK | + M_ZERO); nfscl_retopts(VFSTONFS(nd.ni_vp->v_mount), buf, dumpmntopts.ndmnt_blen); vput(nd.ni_vp); |