diff --git a/lib/libzfs_core/libzfs_core.c b/lib/libzfs_core/libzfs_core.c
index 0d74aa2133..681fd8c7ba 100644
--- a/lib/libzfs_core/libzfs_core.c
+++ b/lib/libzfs_core/libzfs_core.c
@@ -607,6 +607,19 @@ max_pipe_buffer(int infd)
 	}
 
 	unsigned int cur = fcntl(infd, F_GETPIPE_SZ);
+	/*
+	 * Sadly, Linux has an unfixed deadlock if you do SETPIPE_SZ on a pipe
+	 * with data in it.
+	 * cf. #13232, https://bugzilla.kernel.org/show_bug.cgi?id=212295
+	 *
+	 * And since the problem is in waking up the writer, there's nothing
+	 * we can do about it from here.
+	 *
+	 * So if people want to, they can set this, but they
+	 * may regret it...
+	 */
+	if (getenv("ZFS_SET_PIPE_MAX") == NULL)
+		return (cur);
 	if (cur < max && fcntl(infd, F_SETPIPE_SZ, max) != -1)
 		cur = max;
 	return (cur);
diff --git a/man/man8/zfs.8 b/man/man8/zfs.8
index 08996861af..bf8e86a5b2 100644
--- a/man/man8/zfs.8
+++ b/man/man8/zfs.8
@@ -745,6 +745,14 @@ to use
 to mount ZFS datasets.
 This option is provided for backwards compatibility with older ZFS versions.
 .El
+.Bl -tag -width "ZFS_SET_PIPE_MAX"
+.It Sy ZFS_SET_PIPE_MAX
+Tells
+.Nm zfs
+to set the maximum pipe size for sends/recieves.
+Disabled by default on Linux
+due to an unfixed deadlock in Linux's pipe size handling code.
+.El
 .
 .Sh INTERFACE STABILITY
 .Sy Committed .