Commit a24a6c05 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Pull nfsd fixes from Chuck Lever:
 "Notable regression fixes:

   - Enable SETATTR(time_create) to fix regression with Mac OS clients

   - Fix a lockd crasher and broken NLM UNLCK behavior"

* tag 'nfsd-5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  lockd: fix nlm_close_files
  lockd: set fl_owner when unlocking files
  NFSD: Decode NFSv4 birth time attribute
parents 4adfa865 1197eb59
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+7 −7
Original line number Diff line number Diff line
@@ -176,7 +176,7 @@ nlm_delete_file(struct nlm_file *file)
	}
}

static int nlm_unlock_files(struct nlm_file *file)
static int nlm_unlock_files(struct nlm_file *file, fl_owner_t owner)
{
	struct file_lock lock;

@@ -184,6 +184,7 @@ static int nlm_unlock_files(struct nlm_file *file)
	lock.fl_type  = F_UNLCK;
	lock.fl_start = 0;
	lock.fl_end   = OFFSET_MAX;
	lock.fl_owner = owner;
	if (file->f_file[O_RDONLY] &&
	    vfs_lock_file(file->f_file[O_RDONLY], F_SETLK, &lock, NULL))
		goto out_err;
@@ -225,7 +226,7 @@ nlm_traverse_locks(struct nlm_host *host, struct nlm_file *file,
		if (match(lockhost, host)) {

			spin_unlock(&flctx->flc_lock);
			if (nlm_unlock_files(file))
			if (nlm_unlock_files(file, fl->fl_owner))
				return 1;
			goto again;
		}
@@ -282,11 +283,10 @@ nlm_file_inuse(struct nlm_file *file)

static void nlm_close_files(struct nlm_file *file)
{
	struct file *f;

	for (f = file->f_file[0]; f <= file->f_file[1]; f++)
		if (f)
			nlmsvc_ops->fclose(f);
	if (file->f_file[O_RDONLY])
		nlmsvc_ops->fclose(file->f_file[O_RDONLY]);
	if (file->f_file[O_WRONLY])
		nlmsvc_ops->fclose(file->f_file[O_WRONLY]);
}

/*
+9 −0
Original line number Diff line number Diff line
@@ -470,6 +470,15 @@ nfsd4_decode_fattr4(struct nfsd4_compoundargs *argp, u32 *bmval, u32 bmlen,
			return nfserr_bad_xdr;
		}
	}
	if (bmval[1] & FATTR4_WORD1_TIME_CREATE) {
		struct timespec64 ts;

		/* No Linux filesystem supports setting this attribute. */
		bmval[1] &= ~FATTR4_WORD1_TIME_CREATE;
		status = nfsd4_decode_nfstime4(argp, &ts);
		if (status)
			return status;
	}
	if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) {
		u32 set_it;

+2 −1
Original line number Diff line number Diff line
@@ -465,7 +465,8 @@ static inline bool nfsd_attrs_supported(u32 minorversion, const u32 *bmval)
	(FATTR4_WORD0_SIZE | FATTR4_WORD0_ACL)
#define NFSD_WRITEABLE_ATTRS_WORD1 \
	(FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP \
	| FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)
	| FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_CREATE \
	| FATTR4_WORD1_TIME_MODIFY_SET)
#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
#define MAYBE_FATTR4_WORD2_SECURITY_LABEL \
	FATTR4_WORD2_SECURITY_LABEL