Re: git: 99c3f1577459 - releng/13.1 - zfs: merge openzfs/zfs@52bad4f23 (zfs-2.1-release) into stable/13

From: Mateusz Guzik <mjguzik_at_gmail.com>
Date: Tue, 29 Mar 2022 15:53:32 UTC
whoa, stop right there.

The commit at hand introduces a security problem by modifying proc
credentials. Another thread in the same process can race to snatch
these creds permanently for itself.

The patch is definitely wrong.

On 3/29/22, Martin Matuska <mm@freebsd.org> wrote:
> Looks like nobody proposed the commit for zfs-2.1-release at OpenZFS
>
> I am going to cherry-pick it to stable/13
>
> Cheers,
> mm
>
> On 29. 3. 2022 17:41, Rob Wing wrote:
>> Martin,
>>
>> Is there any reason not to cherry-pick this commit in:
>> https://github.com/openzfs/zfs/commit/4a1195ca5041cbff2a6b025a31937fef84876c52?
>>
>> I bring it up because a few users have expressed interest in it.
>> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260160
>>
>>
>> On Tue, Mar 29, 2022 at 5:53 AM Martin Matuska <mm@freebsd.org> wrote:
>>
>>     The branch releng/13.1 has been updated by mm:
>>
>>     URL:
>>
>> https://cgit.FreeBSD.org/src/commit/?id=99c3f15774595c1163ecec87aa8cb157ccdc7d96
>>
>> <https://cgit.FreeBSD.org/src/commit/?id=99c3f15774595c1163ecec87aa8cb157ccdc7d96>
>>
>>     commit 99c3f15774595c1163ecec87aa8cb157ccdc7d96
>>     Author:     Martin Matuska <mm@FreeBSD.org>
>>     AuthorDate: 2022-03-29 10:41:53 +0000
>>     Commit:     Martin Matuska <mm@FreeBSD.org>
>>     CommitDate: 2022-03-29 13:50:47 +0000
>>
>>         zfs: merge openzfs/zfs@52bad4f23 (zfs-2.1-release) into stable/13
>>
>>         OpenZFS release 2.1.4
>>
>>         Notable upstream pull request merges:
>>           #13219 FreeBSD: add missing replay check to an assert in
>>     zfs_xvattr_set
>>           #13220 module: freebsd: avoid a taking a destroyed lock in
>>     zfs_zevent bits
>>           #13221 Fix ACL checks for NFS kernel server
>>
>>         Obtained from:  OpenZFS
>>         OpenZFS tag:    zfs-2.1.4
>>         OpenZFS commit: 52bad4f23daaa5f827f802c8d05785a27b80275d
>>         Relnotes:       yes
>>         Approved by:    re (gjb)
>>
>>         (cherry picked from commit
>>     c088e4d539e4cc947896a3b156646b831d932539)
>>     ---
>>      sys/conf/kern.pre.mk <http://kern.pre.mk>
>>      |   2 +-
>>      sys/contrib/openzfs/META                           |   4 +-
>>      sys/contrib/openzfs/cmd/zed/agents/zfs_mod.c       | 179
>>     +++++++++++++++++++--
>>      sys/contrib/openzfs/cmd/zed/zed_disk_event.c       |  10 ++
>>      .../openzfs/include/os/freebsd/spl/sys/Makefile.am |   1 -
>>      .../openzfs/include/os/freebsd/spl/sys/cred.h      | 136
>>     ++--------------
>>      .../openzfs/include/os/freebsd/spl/sys/kidmap.h    |  41 -----
>>      .../openzfs/include/os/freebsd/spl/sys/sid.h       |  25 ---
>>      .../include/os/linux/kernel/linux/simd_x86.h       |   4 +-
>>      .../openzfs/include/os/linux/spl/sys/cred.h        |   5 -
>>      sys/contrib/openzfs/lib/libzfs/libzfs_crypto.c     |   1 -
>>      .../lib/libzutil/os/linux/zutil_device_path_os.c   |  28 ++--
>>      sys/contrib/openzfs/module/Makefile.bsd            |   2 +-
>>      .../openzfs/module/os/freebsd/spl/spl_sysevent.c   |  12 +-
>>      .../openzfs/module/os/freebsd/zfs/zfs_acl.c        |   6 +-
>>      .../openzfs/module/os/freebsd/zfs/zfs_vnops_os.c   |  19 +--
>>      .../openzfs/module/os/freebsd/zfs/zfs_znode.c      |   4 +-
>>      sys/contrib/openzfs/module/os/linux/spl/spl-cred.c |  42 +----
>>      sys/contrib/openzfs/module/os/linux/zfs/policy.c   |  10 +-
>>      .../openzfs/module/os/linux/zfs/zpl_inode.c        |   4 +-
>>      .../openzfs/module/os/linux/zfs/zpl_xattr.c        |   4 +-
>>      sys/contrib/openzfs/module/zfs/arc.c               |   2 +-
>>      sys/modules/zfs/Makefile                           |   2 +-
>>      sys/modules/zfs/zfs_config.h                       |   8 +-
>>      sys/modules/zfs/zfs_gitrev.h                       |   3 +-
>>      25 files changed, 242 insertions(+), 312 deletions(-)
>>
>>     diff --git a/sys/conf/kern.pre.mk <http://kern.pre.mk>
>>     b/sys/conf/kern.pre.mk <http://kern.pre.mk>
>>     index d6ab5e17a82a..6be49642b04e 100644
>>     --- a/sys/conf/kern.pre.mk <http://kern.pre.mk>
>>     +++ b/sys/conf/kern.pre.mk <http://kern.pre.mk>
>>     @@ -262,7 +262,7 @@ CDDL_C=             ${CC} -c ${CDDL_CFLAGS}
>>     ${WERROR} ${PROF} ${.IMPSRC}
>>      # Special flags for managing the compat compiles for ZFS
>>      ZFS_CFLAGS+=   ${CDDL_CFLAGS} -DBUILDING_ZFS -DHAVE_UIO_ZEROCOPY \
>>             -DWITH_NETDUMP -D__KERNEL__ -D_SYS_CONDVAR_H_ -DSMP \
>>     -       -DIN_FREEBSD_BASE -DHAVE_KSID
>>     +       -DIN_FREEBSD_BASE
>>
>>      .if ${MACHINE_ARCH} == "amd64"
>>      ZFS_CFLAGS+= -DHAVE_AVX2 -DHAVE_AVX -D__x86_64 -DHAVE_SSE2
>>     -DHAVE_AVX512F \
>>     diff --git a/sys/contrib/openzfs/META b/sys/contrib/openzfs/META
>>     index 0437224b403f..76e59a42074c 100644
>>     --- a/sys/contrib/openzfs/META
>>     +++ b/sys/contrib/openzfs/META
>>     @@ -1,10 +1,10 @@
>>      Meta:          1
>>      Name:          zfs
>>      Branch:        1.0
>>     -Version:       2.1.3
>>     +Version:       2.1.4
>>      Release:       1
>>      Release-Tags:  relext
>>      License:       CDDL
>>      Author:        OpenZFS
>>     -Linux-Maximum: 5.16
>>     +Linux-Maximum: 5.17
>>      Linux-Minimum: 3.10
>>     diff --git a/sys/contrib/openzfs/cmd/zed/agents/zfs_mod.c
>>     b/sys/contrib/openzfs/cmd/zed/agents/zfs_mod.c
>>     index 3bcdf6e1d718..a510d646e1f9 100644
>>     --- a/sys/contrib/openzfs/cmd/zed/agents/zfs_mod.c
>>     +++ b/sys/contrib/openzfs/cmd/zed/agents/zfs_mod.c
>>     @@ -183,14 +183,14 @@ zfs_process_add(zpool_handle_t *zhp,
>>     nvlist_t *vdev, boolean_t labeled)
>>             nvlist_t *nvroot, *newvd;
>>             pendingdev_t *device;
>>             uint64_t wholedisk = 0ULL;
>>     -       uint64_t offline = 0ULL;
>>     +       uint64_t offline = 0ULL, faulted = 0ULL;
>>             uint64_t guid = 0ULL;
>>             char *physpath = NULL, *new_devid = NULL, *enc_sysfs_path
>>     = NULL;
>>             char rawpath[PATH_MAX], fullpath[PATH_MAX];
>>             char devpath[PATH_MAX];
>>             int ret;
>>     -       boolean_t is_dm = B_FALSE;
>>             boolean_t is_sd = B_FALSE;
>>     +       boolean_t is_mpath_wholedisk = B_FALSE;
>>             uint_t c;
>>             vdev_stat_t *vs;
>>
>>     @@ -211,15 +211,73 @@ zfs_process_add(zpool_handle_t *zhp,
>>     nvlist_t *vdev, boolean_t labeled)
>>                 &enc_sysfs_path);
>>             (void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_WHOLE_DISK,
>>     &wholedisk);
>>             (void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_OFFLINE,
>>     &offline);
>>     +       (void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_FAULTED,
>>     &faulted);
>>     +
>>             (void) nvlist_lookup_uint64(vdev, ZPOOL_CONFIG_GUID, &guid);
>>
>>     -       if (offline)
>>     -               return;  /* don't intervene if it was taken offline
>> */
>>     +       /*
>>     +        * Special case:
>>     +        *
>>     +        * We've seen times where a disk won't have a
>>     ZPOOL_CONFIG_PHYS_PATH
>>     +        * entry in their config. For example, on this
>>     force-faulted disk:
>>     +        *
>>     +        *      children[0]:
>>     +        *         type: 'disk'
>>     +        *         id: 0
>>     +        *         guid: 14309659774640089719
>>     +        *        path: '/dev/disk/by-vdev/L28'
>>     +        *        whole_disk: 0
>>     +        *        DTL: 654
>>     +        *        create_txg: 4
>>     +        *        com.delphix:vdev_zap_leaf: 1161
>>     +        *        faulted: 1
>>     +        *        aux_state: 'external'
>>     +        *      children[1]:
>>     +        *        type: 'disk'
>>     +        *        id: 1
>>     +        *        guid: 16002508084177980912
>>     +        *        path: '/dev/disk/by-vdev/L29'
>>     +        *        devid: 'dm-uuid-mpath-35000c500a61d68a3'
>>     +        *        phys_path: 'L29'
>>     +        *        vdev_enc_sysfs_path:
>>     '/sys/class/enclosure/0:0:1:0/SLOT 30 32'
>>     +        *        whole_disk: 0
>>     +        *        DTL: 1028
>>     +        *        create_txg: 4
>>     +        *        com.delphix:vdev_zap_leaf: 131
>>     +        *
>>     +        * If the disk's path is a /dev/disk/by-vdev/ path, then
>>     we can infer
>>     +        * the ZPOOL_CONFIG_PHYS_PATH from the by-vdev disk name.
>>     +        */
>>     +       if (physpath == NULL && path != NULL) {
>>     +               /* If path begins with "/dev/disk/by-vdev/" ... */
>>     +               if (strncmp(path, DEV_BYVDEV_PATH,
>>     +                   strlen(DEV_BYVDEV_PATH)) == 0) {
>>     +                       /* Set physpath to the char after
>>     "/dev/disk/by-vdev" */
>>     +                       physpath = &path[strlen(DEV_BYVDEV_PATH)];
>>     +               }
>>     +       }
>>     +
>>     +       /*
>>     +        * We don't want to autoreplace offlined disks. However,
>>     we do want to
>>     +        * replace force-faulted disks (`zpool offline -f`).
>>     Force-faulted
>>     +        * disks have both offline=1 and faulted=1 in the nvlist.
>>     +        */
>>     +       if (offline && !faulted) {
>>     +               zed_log_msg(LOG_INFO, "%s: %s is offline, skip
>>     autoreplace",
>>     +                   __func__, path);
>>     +               return;
>>     +       }
>>
>>     -       is_dm = zfs_dev_is_dm(path);
>>     +       is_mpath_wholedisk = is_mpath_whole_disk(path);
>>             zed_log_msg(LOG_INFO, "zfs_process_add: pool '%s' vdev
>>     '%s', phys '%s'"
>>     -           " wholedisk %d, %s dm (guid %llu)",
>>     zpool_get_name(zhp), path,
>>     -           physpath ? physpath : "NULL", wholedisk, is_dm ? "is"
>>     : "not",
>>     +           " %s blank disk, %s mpath blank disk, %s labeled, enc
>>     sysfs '%s', "
>>     +           "(guid %llu)",
>>     +           zpool_get_name(zhp), path,
>>     +           physpath ? physpath : "NULL",
>>     +           wholedisk ? "is" : "not",
>>     +           is_mpath_wholedisk? "is" : "not",
>>     +           labeled ? "is" : "not",
>>     +           enc_sysfs_path,
>>                 (long long unsigned int)guid);
>>
>>             /*
>>     @@ -253,8 +311,9 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t
>>     *vdev, boolean_t labeled)
>>                 ZFS_ONLINE_CHECKREMOVE | ZFS_ONLINE_UNSPARE,
>>     &newstate) == 0 &&
>>                 (newstate == VDEV_STATE_HEALTHY ||
>>                 newstate == VDEV_STATE_DEGRADED)) {
>>     -               zed_log_msg(LOG_INFO, "  zpool_vdev_online: vdev
>>     %s is %s",
>>     -                   fullpath, (newstate == VDEV_STATE_HEALTHY) ?
>>     +               zed_log_msg(LOG_INFO,
>>     +                   "  zpool_vdev_online: vdev '%s' ('%s') is "
>>     +                   "%s", fullpath, physpath, (newstate ==
>>     VDEV_STATE_HEALTHY) ?
>>                         "HEALTHY" : "DEGRADED");
>>                     return;
>>             }
>>     @@ -271,11 +330,12 @@ zfs_process_add(zpool_handle_t *zhp,
>>     nvlist_t *vdev, boolean_t labeled)
>>              * vdev online to trigger a FMA fault by posting an ereport.
>>              */
>>             if (!zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOREPLACE, NULL) ||
>>     -           !(wholedisk || is_dm) || (physpath == NULL)) {
>>     +           !(wholedisk || is_mpath_wholedisk) || (physpath ==
>>     NULL)) {
>>                     (void) zpool_vdev_online(zhp, fullpath,
>>     ZFS_ONLINE_FORCEFAULT,
>>                         &newstate);
>>                     zed_log_msg(LOG_INFO, "Pool's autoreplace is not
>>     enabled or "
>>     -                   "not a whole disk for '%s'", fullpath);
>>     +                   "not a blank disk for '%s' ('%s')", fullpath,
>>     +                   physpath);
>>                     return;
>>             }
>>
>>     @@ -287,7 +347,7 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t
>>     *vdev, boolean_t labeled)
>>             (void) snprintf(rawpath, sizeof (rawpath), "%s%s",
>>                 is_sd ? DEV_BYVDEV_PATH : DEV_BYPATH_PATH, physpath);
>>
>>     -       if (realpath(rawpath, devpath) == NULL && !is_dm) {
>>     +       if (realpath(rawpath, devpath) == NULL &&
>>     !is_mpath_wholedisk) {
>>                     zed_log_msg(LOG_INFO, "  realpath: %s failed (%s)",
>>                         rawpath, strerror(errno));
>>
>>     @@ -303,12 +363,14 @@ zfs_process_add(zpool_handle_t *zhp,
>>     nvlist_t *vdev, boolean_t labeled)
>>             if ((vs->vs_state != VDEV_STATE_DEGRADED) &&
>>                 (vs->vs_state != VDEV_STATE_FAULTED) &&
>>                 (vs->vs_state != VDEV_STATE_CANT_OPEN)) {
>>     +               zed_log_msg(LOG_INFO, "  not autoreplacing since
>>     disk isn't in "
>>     +                   "a bad state (currently %d)", vs->vs_state);
>>                     return;
>>             }
>>
>>             nvlist_lookup_string(vdev, "new_devid", &new_devid);
>>
>>     -       if (is_dm) {
>>     +       if (is_mpath_wholedisk) {
>>                     /* Don't label device mapper or multipath disks. */
>>             } else if (!labeled) {
>>                     /*
>>     @@ -522,8 +584,11 @@ zfs_iter_vdev(zpool_handle_t *zhp, nvlist_t
>>     *nvl, void *data)
>>                      * the dp->dd_compare value.
>>                      */
>>                     if (nvlist_lookup_string(nvl, dp->dd_prop, &path)
>>     != 0 ||
>>     -                   strcmp(dp->dd_compare, path) != 0)
>>     +                   strcmp(dp->dd_compare, path) != 0) {
>>     +                       zed_log_msg(LOG_INFO, "  %s: no match (%s
>>     != vdev %s)",
>>     +                           __func__, dp->dd_compare, path);
>>                             return;
>>     +               }
>>
>>                     zed_log_msg(LOG_INFO, "  zfs_iter_vdev: matched %s
>>     on %s",
>>                         dp->dd_prop, path);
>>     @@ -571,6 +636,8 @@ zfs_iter_pool(zpool_handle_t *zhp, void *data)
>>                                 ZPOOL_CONFIG_VDEV_TREE, &nvl);
>>                             zfs_iter_vdev(zhp, nvl, data);
>>                     }
>>     +       } else {
>>     +               zed_log_msg(LOG_INFO, "%s: no config\n", __func__);
>>             }
>>
>>             /*
>>     @@ -619,6 +686,72 @@ devphys_iter(const char *physical, const char
>>     *devid, zfs_process_func_t func,
>>             return (data.dd_found);
>>      }
>>
>>     +/*
>>     + * Given a device identifier, find any vdevs with a matching by-vdev
>>     + * path.  Normally we shouldn't need this as the comparison would be
>>     + * made earlier in the devphys_iter().  For example, if we were
>>     replacing
>>     + * /dev/disk/by-vdev/L28, normally devphys_iter() would match the
>>     + * ZPOOL_CONFIG_PHYS_PATH of "L28" from the old disk config to "L28"
>>     + * of the new disk config.  However, we've seen cases where
>>     + * ZPOOL_CONFIG_PHYS_PATH was not in the config for the old
>>     disk.  Here's
>>     + * an example of a real 2-disk mirror pool where one disk was force
>>     + * faulted:
>>     + *
>>     + *       com.delphix:vdev_zap_top: 129
>>     + *           children[0]:
>>     + *               type: 'disk'
>>     + *               id: 0
>>     + *               guid: 14309659774640089719
>>     + *               path: '/dev/disk/by-vdev/L28'
>>     + *               whole_disk: 0
>>     + *               DTL: 654
>>     + *               create_txg: 4
>>     + *               com.delphix:vdev_zap_leaf: 1161
>>     + *               faulted: 1
>>     + *               aux_state: 'external'
>>     + *           children[1]:
>>     + *               type: 'disk'
>>     + *               id: 1
>>     + *               guid: 16002508084177980912
>>     + *               path: '/dev/disk/by-vdev/L29'
>>     + *               devid: 'dm-uuid-mpath-35000c500a61d68a3'
>>     + *               phys_path: 'L29'
>>     + *               vdev_enc_sysfs_path:
>>     '/sys/class/enclosure/0:0:1:0/SLOT 30 32'
>>     + *               whole_disk: 0
>>     + *               DTL: 1028
>>     + *               create_txg: 4
>>     + *               com.delphix:vdev_zap_leaf: 131
>>     + *
>>     + * So in the case above, the only thing we could compare is the
>> path.
>>     + *
>>     + * We can do this because we assume by-vdev paths are
>>     authoritative as physical
>>     + * paths.  We could not assume this for normal paths like
>>     /dev/sda since the
>>     + * physical location /dev/sda points to could change over time.
>>     + */
>>     +static boolean_t
>>     +by_vdev_path_iter(const char *by_vdev_path, const char *devid,
>>     +    zfs_process_func_t func, boolean_t is_slice)
>>     +{
>>     +       dev_data_t data = { 0 };
>>     +
>>     +       data.dd_compare = by_vdev_path;
>>     +       data.dd_func = func;
>>     +       data.dd_prop = ZPOOL_CONFIG_PATH;
>>     +       data.dd_found = B_FALSE;
>>     +       data.dd_islabeled = is_slice;
>>     +       data.dd_new_devid = devid;
>>     +
>>     +       if (strncmp(by_vdev_path, DEV_BYVDEV_PATH,
>>     +           strlen(DEV_BYVDEV_PATH)) != 0) {
>>     +               /* by_vdev_path doesn't start with
>>     "/dev/disk/by-vdev/" */
>>     +               return (B_FALSE);
>>     +       }
>>     +
>>     +       (void) zpool_iter(g_zfshdl, zfs_iter_pool, &data);
>>     +
>>     +       return (data.dd_found);
>>     +}
>>     +
>>      /*
>>       * Given a device identifier, find any vdevs with a matching devid.
>>       * On Linux we can match devid directly which is always a whole
>> disk.
>>     @@ -683,15 +816,17 @@ guid_iter(uint64_t pool_guid, uint64_t
>>     vdev_guid, const char *devid,
>>      static int
>>      zfs_deliver_add(nvlist_t *nvl, boolean_t is_lofi)
>>      {
>>     -       char *devpath = NULL, *devid;
>>     +       char *devpath = NULL, *devid = NULL;
>>             uint64_t pool_guid = 0, vdev_guid = 0;
>>             boolean_t is_slice;
>>
>>             /*
>>              * Expecting a devid string and an optional physical
>>     location and guid
>>              */
>>     -       if (nvlist_lookup_string(nvl, DEV_IDENTIFIER, &devid) != 0)
>>     +       if (nvlist_lookup_string(nvl, DEV_IDENTIFIER, &devid) != 0) {
>>     +               zed_log_msg(LOG_INFO, "%s: no dev identifier\n",
>>     __func__);
>>                     return (-1);
>>     +       }
>>
>>             (void) nvlist_lookup_string(nvl, DEV_PHYS_PATH, &devpath);
>>             (void) nvlist_lookup_uint64(nvl, ZFS_EV_POOL_GUID,
>>     &pool_guid);
>>     @@ -707,6 +842,8 @@ zfs_deliver_add(nvlist_t *nvl, boolean_t is_lofi)
>>              * 1. ZPOOL_CONFIG_DEVID (identifies the unique disk)
>>              * 2. ZPOOL_CONFIG_PHYS_PATH (identifies disk physical
>>     location).
>>              * 3. ZPOOL_CONFIG_GUID (identifies unique vdev).
>>     +        * 4. ZPOOL_CONFIG_PATH for /dev/disk/by-vdev devices only
>>     (since
>>     +        *    by-vdev paths represent physical paths).
>>              */
>>             if (devid_iter(devid, zfs_process_add, is_slice))
>>                     return (0);
>>     @@ -717,6 +854,16 @@ zfs_deliver_add(nvlist_t *nvl, boolean_t
>> is_lofi)
>>                     (void) guid_iter(pool_guid, vdev_guid, devid,
>>     zfs_process_add,
>>                         is_slice);
>>
>>     +       if (devpath != NULL) {
>>     +               /* Can we match a /dev/disk/by-vdev/ path? */
>>     +               char by_vdev_path[MAXPATHLEN];
>>     +               snprintf(by_vdev_path, sizeof (by_vdev_path),
>>     +                   "/dev/disk/by-vdev/%s", devpath);
>>     +               if (by_vdev_path_iter(by_vdev_path, devid,
>>     zfs_process_add,
>>     +                   is_slice))
>>     +                       return (0);
>>     +       }
>>     +
>>             return (0);
>>      }
>>
>>     diff --git a/sys/contrib/openzfs/cmd/zed/zed_disk_event.c
>>     b/sys/contrib/openzfs/cmd/zed/zed_disk_event.c
>>     index 94e24236063c..52b80d8c4c93 100644
>>     --- a/sys/contrib/openzfs/cmd/zed/zed_disk_event.c
>>     +++ b/sys/contrib/openzfs/cmd/zed/zed_disk_event.c
>>     @@ -215,6 +215,11 @@ zed_udev_monitor(void *arg)
>>                     if (type != NULL && type[0] != '\0' &&
>>                         strcmp(type, "disk") == 0 &&
>>                         part != NULL && part[0] != '\0') {
>>     +                       zed_log_msg(LOG_INFO,
>>     +                           "%s: skip %s since it has a %s
>>     partition already",
>>     +                           __func__,
>>     +  udev_device_get_property_value(dev, "DEVNAME"),
>>     +                           part);
>>                             /* skip and wait for partition event */
>>                             udev_device_unref(dev);
>>                             continue;
>>     @@ -229,6 +234,11 @@ zed_udev_monitor(void *arg)
>>                             sectors =
>>     udev_device_get_sysattr_value(dev, "size");
>>                     if (sectors != NULL &&
>>                         strtoull(sectors, NULL, 10) < MINIMUM_SECTORS) {
>>     +                       zed_log_msg(LOG_INFO,
>>     +                           "%s: %s sectors %s < %llu (minimum)",
>>     +                           __func__,
>>     +  udev_device_get_property_value(dev, "DEVNAME"),
>>     +                           sectors, MINIMUM_SECTORS);
>>                             udev_device_unref(dev);
>>                             continue;
>>                     }
>>     diff --git
>>     a/sys/contrib/openzfs/include/os/freebsd/spl/sys/Makefile.am
>>     b/sys/contrib/openzfs/include/os/freebsd/spl/sys/Makefile.am
>>     index 232aaf569fa2..7488e56c7649 100644
>>     --- a/sys/contrib/openzfs/include/os/freebsd/spl/sys/Makefile.am
>>     +++ b/sys/contrib/openzfs/include/os/freebsd/spl/sys/Makefile.am
>>     @@ -22,7 +22,6 @@ KERNEL_H = \
>>             inttypes.h \
>>             isa_defs.h \
>>             kmem_cache.h \
>>     -       kidmap.h \
>>             kmem.h \
>>             kstat.h \
>>             list_impl.h \
>>     diff --git a/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h
>>     b/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h
>>     index 86f79011d6da..db986af57bf5 100644
>>     --- a/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h
>>     +++ b/sys/contrib/openzfs/include/os/freebsd/spl/sys/cred.h
>>     @@ -48,138 +48,20 @@ extern "C" {
>>      typedef struct ucred cred_t;
>>
>>      #define        CRED()          curthread->td_ucred
>>     -#define        kcred   (thread0.td_ucred)
>>     -
>>     -#define        KUID_TO_SUID(x)         (x)
>>     -#define        KGID_TO_SGID(x)         (x)
>>     -#define        crgetuid(cred)          ((cred)->cr_uid)
>>     -#define        crgetruid(cred)         ((cred)->cr_ruid)
>>     -#define        crgetgid(cred)          ((cred)->cr_gid)
>>     -#define        crgetgroups(cred)       ((cred)->cr_groups)
>>     -#define        crgetngroups(cred) ((cred)->cr_ngroups)
>>     -#define        crgetsid(cred, i)       (NULL)
>>
>>     -struct proc;                           /* cred.h is included in
>>     proc.h */
>>     -struct prcred;
>>     -struct ksid;
>>     -struct ksidlist;
>>     -struct credklpd;
>>     -struct credgrp;
>>     -
>>     -struct auditinfo_addr;                 /* cred.h is included in
>>     audit.h */
>>     -
>>     -extern int ngroups_max;
>>      /*
>>       * kcred is used when you need all privileges.
>>       */
>>     +#define        kcred   (thread0.td_ucred)
>>
>>     -extern void cred_init(void);
>>     -extern void crfree(cred_t *);
>>     -extern cred_t *cralloc(void);          /* all but ref
>>     uninitialized */
>>     -extern cred_t *cralloc_ksid(void);     /* cralloc() + ksid
>>     alloc'ed */
>>     -extern cred_t *crget(void);            /* initialized */
>>     -extern void crcopy_to(cred_t *, cred_t *);
>>     -extern cred_t *crdup(cred_t *);
>>     -extern void crdup_to(cred_t *, cred_t *);
>>     -extern cred_t *crgetcred(void);
>>     -extern void crset(struct proc *, cred_t *);
>>     -extern void crset_zone_privall(cred_t *);
>>     -extern int supgroupmember(gid_t, const cred_t *);
>>     -extern int hasprocperm(const cred_t *, const cred_t *);
>>     -extern int prochasprocperm(struct proc *, struct proc *, const
>>     cred_t *);
>>     -extern int crcmp(const cred_t *, const cred_t *);
>>     -extern cred_t *zone_kcred(void);
>>     -
>>     -extern gid_t crgetrgid(const cred_t *);
>>     -extern gid_t crgetsgid(const cred_t *);
>>     -
>>     -#define        crgetzoneid(cr) ((cr)->cr_prison->pr_id)
>>     -extern projid_t crgetprojid(const cred_t *);
>>     -
>>     -extern cred_t *crgetmapped(const cred_t *);
>>     -
>>     -
>>     -extern const struct auditinfo_addr *crgetauinfo(const cred_t *);
>>     -extern struct auditinfo_addr *crgetauinfo_modifiable(cred_t *);
>>     -
>>     -extern uint_t crgetref(const cred_t *);
>>     -
>>     -extern const gid_t *crgetggroups(const struct credgrp *);
>>     -
>>     -
>>     -/*
>>     - * Sets real, effective and/or saved uid/gid;
>>     - * -1 argument accepted as "no change".
>>     - */
>>     -extern int crsetresuid(cred_t *, uid_t, uid_t, uid_t);
>>     -extern int crsetresgid(cred_t *, gid_t, gid_t, gid_t);
>>     -
>>     -/*
>>     - * Sets real, effective and saved uids/gids all to the same
>>     - * values.  Both values must be non-negative and <= MAXUID
>>     - */
>>     -extern int crsetugid(cred_t *, uid_t, gid_t);
>>     -
>>     -/*
>>     - * Functions to handle the supplemental group list.
>>     - */
>>     -extern struct credgrp *crgrpcopyin(int, gid_t *);
>>     -extern void crgrprele(struct credgrp *);
>>     -extern void crsetcredgrp(cred_t *, struct credgrp *);
>>     -
>>     -/*
>>     - * Private interface for setting zone association of credential.
>>     - */
>>     -struct zone;
>>     -extern void crsetzone(cred_t *, struct zone *);
>>     -extern struct zone *crgetzone(const cred_t *);
>>     -
>>     -/*
>>     - * Private interface for setting project id in credential.
>>     - */
>>     -extern void crsetprojid(cred_t *, projid_t);
>>     -
>>     -/*
>>     - * Private interface for nfs.
>>     - */
>>     -extern cred_t *crnetadjust(cred_t *);
>>     -
>>     -/*
>>     - * Private interface for procfs.
>>     - */
>>     -extern void cred2prcred(const cred_t *, struct prcred *);
>>     -
>>     -/*
>>     - * Private interfaces for Rampart Trusted Solaris.
>>     - */
>>     -struct ts_label_s;
>>     -extern struct ts_label_s *crgetlabel(const cred_t *);
>>     -extern boolean_t crisremote(const cred_t *);
>>     -
>>     -/*
>>     - * Private interfaces for ephemeral uids.
>>     - */
>>     -#define        VALID_UID(id, zn)          \
>>     -       ((id) <= MAXUID || valid_ephemeral_uid((zn), (id)))
>>     -
>>     -#define        VALID_GID(id, zn)          \
>>     -       ((id) <= MAXUID || valid_ephemeral_gid((zn), (id)))
>>     -
>>     -extern boolean_t valid_ephemeral_uid(struct zone *, uid_t);
>>     -extern boolean_t valid_ephemeral_gid(struct zone *, gid_t);
>>     -
>>     -extern int eph_uid_alloc(struct zone *, int, uid_t *, int);
>>     -extern int eph_gid_alloc(struct zone *, int, gid_t *, int);
>>     -
>>     -extern void crsetsid(cred_t *, struct ksid *, int);
>>     -extern void crsetsidlist(cred_t *, struct ksidlist *);
>>     -
>>     -extern struct ksidlist *crgetsidlist(const cred_t *);
>>     -
>>     -extern int crsetpriv(cred_t *, ...);
>>     -
>>     -extern struct credklpd *crgetcrklpd(const cred_t *);
>>     -extern void crsetcrklpd(cred_t *, struct credklpd *);
>>     +#define        KUID_TO_SUID(x)         (x)
>>     +#define        KGID_TO_SGID(x)         (x)
>>     +#define        crgetuid(cr)            ((cr)->cr_uid)
>>     +#define        crgetruid(cr)           ((cr)->cr_ruid)
>>     +#define        crgetgid(cr)            ((cr)->cr_gid)
>>     +#define        crgetgroups(cr)         ((cr)->cr_groups)
>>     +#define        crgetngroups(cr)        ((cr)->cr_ngroups)
>>     +#define        crgetzoneid(cr)  ((cr)->cr_prison->pr_id)
>>
>>      #ifdef __cplusplus
>>      }
>>     diff --git
>>     a/sys/contrib/openzfs/include/os/freebsd/spl/sys/kidmap.h
>>     b/sys/contrib/openzfs/include/os/freebsd/spl/sys/kidmap.h
>>     deleted file mode 100644
>>     index dc0cf5988a42..000000000000
>>     --- a/sys/contrib/openzfs/include/os/freebsd/spl/sys/kidmap.h
>>     +++ /dev/null
>>     @@ -1,41 +0,0 @@
>>     -/*
>>     - * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
>>     - * All rights reserved.
>>     - *
>>     - * Redistribution and use in source and binary forms, with or
>> without
>>     - * modification, are permitted provided that the following
>> conditions
>>     - * are met:
>>     - * 1. Redistributions of source code must retain the above copyright
>>     - *    notice, this list of conditions and the following disclaimer.
>>     - * 2. Redistributions in binary form must reproduce the above
>>     copyright
>>     - *    notice, this list of conditions and the following
>>     disclaimer in the
>>     - *    documentation and/or other materials provided with the
>>     distribution.
>>     - *
>>     - * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS
>>     IS'' AND
>>     - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
>>     TO, THE
>>     - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
>>     PARTICULAR PURPOSE
>>     - * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS
>>     BE LIABLE
>>     - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
>>     CONSEQUENTIAL
>>     - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
>>     SUBSTITUTE GOODS
>>     - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
>>     INTERRUPTION)
>>     - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
>>     CONTRACT, STRICT
>>     - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
>>     IN ANY WAY
>>     - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
>>     POSSIBILITY OF
>>     - * SUCH DAMAGE.
>>     - *
>>     - * $FreeBSD$
>>     - */
>>     -
>>     -#ifndef _OPENSOLARIS_SYS_KIDMAP_H_
>>     -#define        _OPENSOLARIS_SYS_KIDMAP_H_
>>     -
>>     -#include <sys/idmap.h>
>>     -
>>     -typedef int32_t        idmap_stat;
>>     -typedef void   idmap_get_handle_t;
>>     -
>>     -#define        kidmap_get_create()             (NULL)
>>     -#define        kidmap_get_destroy(hdl)         do { } while (0)
>>     -#define        kidmap_get_mappings(hdl)        (NULL)
>>     -
>>     -#endif /* _OPENSOLARIS_SYS_KIDMAP_H_ */
>>     diff --git a/sys/contrib/openzfs/include/os/freebsd/spl/sys/sid.h
>>     b/sys/contrib/openzfs/include/os/freebsd/spl/sys/sid.h
>>     index d3fab8b24744..f249d05d55a0 100644
>>     --- a/sys/contrib/openzfs/include/os/freebsd/spl/sys/sid.h
>>     +++ b/sys/contrib/openzfs/include/os/freebsd/spl/sys/sid.h
>>     @@ -29,7 +29,6 @@
>>      #ifndef _OPENSOLARIS_SYS_SID_H_
>>      #define        _OPENSOLARIS_SYS_SID_H_
>>      #include <sys/idmap.h>
>>     -#include <sys/kidmap.h>
>>
>>      typedef struct ksiddomain {
>>             char    *kd_name;       /* Domain part of SID */
>>     @@ -59,28 +58,4 @@ ksiddomain_rele(ksiddomain_t *kd)
>>             kmem_free(kd, sizeof (*kd));
>>      }
>>
>>     -static __inline uint_t
>>     -ksid_getid(ksid_t *ks)
>>     -{
>>     -
>>     -       panic("%s has been unexpectedly called", __func__);
>>     -}
>>     -
>>     -static __inline const char *
>>     -ksid_getdomain(ksid_t *ks)
>>     -{
>>     -
>>     -       panic("%s has been unexpectedly called", __func__);
>>     -}
>>     -
>>     -static __inline uint_t
>>     -ksid_getrid(ksid_t *ks)
>>     -{
>>     -
>>     -       panic("%s has been unexpectedly called", __func__);
>>     -}
>>     -
>>     -#define        kidmap_getsidbyuid(zone, uid, sid_prefix, rid)  (1)
>>     -#define        kidmap_getsidbygid(zone, gid, sid_prefix, rid)  (1)
>>     -
>>      #endif /* _OPENSOLARIS_SYS_SID_H_ */
>>     diff --git
>>     a/sys/contrib/openzfs/include/os/linux/kernel/linux/simd_x86.h
>>     b/sys/contrib/openzfs/include/os/linux/kernel/linux/simd_x86.h
>>     index 6d4c7a09fe82..0f6a222ba667 100644
>>     --- a/sys/contrib/openzfs/include/os/linux/kernel/linux/simd_x86.h
>>     +++ b/sys/contrib/openzfs/include/os/linux/kernel/linux/simd_x86.h
>>     @@ -420,9 +420,9 @@ kfpu_end(void)
>>             if (static_cpu_has(X86_FEATURE_XSAVE)) {
>>                     kfpu_do_xrstor("xrstor", &state->xsave, ~0);
>>             } else if (static_cpu_has(X86_FEATURE_FXSR)) {
>>     -               kfpu_save_fxsr(&state->fxsave);
>>     +               kfpu_restore_fxsr(&state->fxsave);
>>             } else {
>>     -               kfpu_save_fsave(&state->fsave);
>>     +               kfpu_restore_fsave(&state->fsave);
>>             }
>>      out:
>>             local_irq_enable();
>>     diff --git a/sys/contrib/openzfs/include/os/linux/spl/sys/cred.h
>>     b/sys/contrib/openzfs/include/os/linux/spl/sys/cred.h
>>     index 9cc85deb5c8a..b7d3f38d70bb 100644
>>     --- a/sys/contrib/openzfs/include/os/linux/spl/sys/cred.h
>>     +++ b/sys/contrib/openzfs/include/os/linux/spl/sys/cred.h
>>     @@ -49,12 +49,7 @@ extern void crhold(cred_t *cr);
>>      extern void crfree(cred_t *cr);
>>      extern uid_t crgetuid(const cred_t *cr);
>>      extern uid_t crgetruid(const cred_t *cr);
>>     -extern uid_t crgetsuid(const cred_t *cr);
>>     -extern uid_t crgetfsuid(const cred_t *cr);
>>      extern gid_t crgetgid(const cred_t *cr);
>>     -extern gid_t crgetrgid(const cred_t *cr);
>>     -extern gid_t crgetsgid(const cred_t *cr);
>>     -extern gid_t crgetfsgid(const cred_t *cr);
>>      extern int crgetngroups(const cred_t *cr);
>>      extern gid_t *crgetgroups(const cred_t *cr);
>>      extern int groupmember(gid_t gid, const cred_t *cr);
>>     diff --git a/sys/contrib/openzfs/lib/libzfs/libzfs_crypto.c
>>     b/sys/contrib/openzfs/lib/libzfs/libzfs_crypto.c
>>     index 644dd26859f1..f77becd6a5c1 100644
>>     --- a/sys/contrib/openzfs/lib/libzfs/libzfs_crypto.c
>>     +++ b/sys/contrib/openzfs/lib/libzfs/libzfs_crypto.c
>>     @@ -606,7 +606,6 @@ get_key_material_https(libzfs_handle_t *hdl,
>>     const char *uri,
>>      kfdok:
>>             if ((key = fdopen(kfd, "r+")) == NULL) {
>>                     ret = errno;
>>     -               free(path);
>>                     (void) close(kfd);
>>                     zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
>>                         "Couldn't reopen temporary file: %s"),
>>     strerror(ret));
>>     diff --git
>>     a/sys/contrib/openzfs/lib/libzutil/os/linux/zutil_device_path_os.c
>>     b/sys/contrib/openzfs/lib/libzutil/os/linux/zutil_device_path_os.c
>>     index 13f8bd031612..45a6f6f5935b 100644
>>     ---
>> a/sys/contrib/openzfs/lib/libzutil/os/linux/zutil_device_path_os.c
>>     +++
>> b/sys/contrib/openzfs/lib/libzutil/os/linux/zutil_device_path_os.c
>>     @@ -527,7 +527,7 @@ zfs_dev_is_dm(const char *dev_name)
>>      boolean_t
>>      zfs_dev_is_whole_disk(const char *dev_name)
>>      {
>>     -       struct dk_gpt *label;
>>     +       struct dk_gpt *label = NULL;
>>             int fd;
>>
>>             if ((fd = open(dev_name, O_RDONLY | O_DIRECT | O_CLOEXEC))
>>     < 0)
>>     @@ -613,22 +613,24 @@ zfs_get_underlying_path(const char *dev_name)
>>      /*
>>       * A disk is considered a multipath whole disk when:
>>       *     DEVNAME key value has "dm-"
>>     - *     DM_NAME key value has "mpath" prefix
>>     - *     DM_UUID key exists
>>     + *     DM_UUID key exists and starts with 'mpath-'
>>       *     ID_PART_TABLE_TYPE key does not exist or is not gpt
>>     + *     ID_FS_LABEL key does not exist (disk isn't labeled)
>>       */
>>      static boolean_t
>>     -udev_mpath_whole_disk(struct udev_device *dev)
>>     +is_mpath_udev_sane(struct udev_device *dev)
>>      {
>>     -       const char *devname, *type, *uuid;
>>     +       const char *devname, *type, *uuid, *label;
>>
>>             devname = udev_device_get_property_value(dev, "DEVNAME");
>>             type = udev_device_get_property_value(dev,
>>     "ID_PART_TABLE_TYPE");
>>             uuid = udev_device_get_property_value(dev, "DM_UUID");
>>     +       label = udev_device_get_property_value(dev, "ID_FS_LABEL");
>>
>>             if ((devname != NULL && strncmp(devname, "/dev/dm-", 8) ==
>>     0) &&
>>                 ((type == NULL) || (strcmp(type, "gpt") != 0)) &&
>>     -           (uuid != NULL)) {
>>     +           ((uuid != NULL) && (strncmp(uuid, "mpath-", 6) == 0)) &&
>>     +           (label == NULL)) {
>>                     return (B_TRUE);
>>             }
>>
>>     @@ -636,7 +638,11 @@ udev_mpath_whole_disk(struct udev_device *dev)
>>      }
>>
>>      /*
>>     - * Check if a disk is effectively a multipath whole disk
>>     + * Check if a disk is a multipath "blank" disk:
>>     + *
>>     + * 1. The disk has udev values that suggest it's a multipath disk
>>     + * 2. The disk is not currently labeled with a filesystem of any
>> type
>>     + * 3. There are no partitions on the disk
>>       */
>>      boolean_t
>>      is_mpath_whole_disk(const char *path)
>>     @@ -645,7 +651,6 @@ is_mpath_whole_disk(const char *path)
>>             struct udev_device *dev = NULL;
>>             char nodepath[MAXPATHLEN];
>>             char *sysname;
>>     -       boolean_t wholedisk = B_FALSE;
>>
>>             if (realpath(path, nodepath) == NULL)
>>                     return (B_FALSE);
>>     @@ -660,10 +665,11 @@ is_mpath_whole_disk(const char *path)
>>                     return (B_FALSE);
>>             }
>>
>>     -       wholedisk = udev_mpath_whole_disk(dev);
>>     -
>>     +       /* Sanity check some udev values */
>>     +       boolean_t is_sane = is_mpath_udev_sane(dev);
>>             udev_device_unref(dev);
>>     -       return (wholedisk);
>>     +
>>     +       return (is_sane);
>>      }
>>
>>      #else /* HAVE_LIBUDEV */
>>     diff --git a/sys/contrib/openzfs/module/Makefile.bsd
>>     b/sys/contrib/openzfs/module/Makefile.bsd
>>     index 8aa4ed22275e..dc6cc2b74243 100644
>>     --- a/sys/contrib/openzfs/module/Makefile.bsd
>>     +++ b/sys/contrib/openzfs/module/Makefile.bsd
>>     @@ -32,7 +32,7 @@ CFLAGS+= -include
>>     ${INCDIR}/os/freebsd/spl/sys/ccompile.h
>>
>>      CFLAGS+= -D__KERNEL__ -DFREEBSD_NAMECACHE -DBUILDING_ZFS
>>     -D__BSD_VISIBLE=1 \
>>              -DHAVE_UIO_ZEROCOPY -DWITHOUT_NETDUMP -D__KERNEL
>>     -D_SYS_CONDVAR_H_ \
>>     -        -D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DHAVE_KSID
>>     -DCOMPAT_FREEBSD11
>>     +        -D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DCOMPAT_FREEBSD11
>>
>>      .if ${MACHINE_ARCH} == "amd64"
>>      CFLAGS+= -DHAVE_AVX2 -DHAVE_AVX -D__x86_64 -DHAVE_SSE2
>>     -DHAVE_AVX512F -DHAVE_SSSE3
>>     diff --git
>>     a/sys/contrib/openzfs/module/os/freebsd/spl/spl_sysevent.c
>>     b/sys/contrib/openzfs/module/os/freebsd/spl/spl_sysevent.c
>>     index d5d50080fafd..16188c71b53d 100644
>>     --- a/sys/contrib/openzfs/module/os/freebsd/spl/spl_sysevent.c
>>     +++ b/sys/contrib/openzfs/module/os/freebsd/spl/spl_sysevent.c
>>     @@ -250,7 +250,17 @@ sysevent_worker(void *arg __unused)
>>                             nvlist_free(event);
>>                     }
>>             }
>>     -       zfs_zevent_destroy(ze);
>>     +
>>     +       /*
>>     +        * We avoid zfs_zevent_destroy() here because we're
>>     otherwise racing
>>     +        * against fm_fini() destroying the zevent_lock.
>>     zfs_zevent_destroy()
>>     +        * will currently only clear `ze->ze_zevent` from an event
>>     list then
>>     +        * free `ze`, so just inline the free() here -- events
>>     have already
>>     +        * been drained.
>>     +        */
>>     +       VERIFY3P(ze->ze_zevent, ==, NULL);
>>     +       kmem_free(ze, sizeof (zfs_zevent_t));
>>     +
>>             kthread_exit();
>>      }
>>
>>     diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_acl.c
>>     b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_acl.c
>>     index ae758bcefe21..fe0f69132321 100644
>>     --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_acl.c
>>     +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_acl.c
>>     @@ -1653,8 +1653,10 @@ zfs_acl_ids_create(znode_t *dzp, int flag,
>>     vattr_t *vap, cred_t *cr,
>>                         ZFS_GROUP, &acl_ids->z_fuidp);
>>                     gid = vap->va_gid;
>>             } else {
>>     -               acl_ids->z_fuid = zfs_fuid_create_cred(zfsvfs,
>>     ZFS_OWNER,
>>     -                   cr, &acl_ids->z_fuidp);
>>     +               uid_t id = crgetuid(cr);
>>     +               if (IS_EPHEMERAL(id))
>>     +                       id = UID_NOBODY;
>>     +               acl_ids->z_fuid = (uint64_t)id;
>>                     acl_ids->z_fgid = 0;
>>                     if (vap->va_mask & AT_GID)  {
>>                             acl_ids->z_fgid = zfs_fuid_create(zfsvfs,
>>     diff --git
>>     a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
>>     b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
>>     index 7bcf80bf5a94..b2cc3d063f9c 100644
>>     --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
>>     +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c
>>     @@ -1060,8 +1060,7 @@ zfs_create(znode_t *dzp, const char *name,
>>     vattr_t *vap, int excl, int mode,
>>             objset_t        *os;
>>             dmu_tx_t        *tx;
>>             int             error;
>>     -       ksid_t          *ksid;
>>     -       uid_t           uid;
>>     +       uid_t           uid = crgetuid(cr);
>>             gid_t           gid = crgetgid(cr);
>>             uint64_t        projid = ZFS_DEFAULT_PROJID;
>>             zfs_acl_ids_t   acl_ids;
>>     @@ -1075,13 +1074,6 @@ zfs_create(znode_t *dzp, const char *name,
>>     vattr_t *vap, int excl, int mode,
>>              * If we have an ephemeral id, ACL, or XVATTR then
>>              * make sure file system is at proper version
>>              */
>>     -
>>     -       ksid = crgetsid(cr, KSID_OWNER);
>>     -       if (ksid)
>>     -               uid = ksid_getid(ksid);
>>     -       else
>>     -               uid = crgetuid(cr);
>>     -
>>             if (zfsvfs->z_use_fuids == B_FALSE &&
>>                 (vsecp || (vap->va_mask & AT_XVATTR) ||
>>                 IS_EPHEMERAL(uid) || IS_EPHEMERAL(gid)))
>>     @@ -1415,8 +1407,7 @@ zfs_mkdir(znode_t *dzp, const char *dirname,
>>     vattr_t *vap, znode_t **zpp,
>>             uint64_t        txtype;
>>             dmu_tx_t        *tx;
>>             int             error;
>>     -       ksid_t          *ksid;
>>     -       uid_t           uid;
>>     +       uid_t           uid = crgetuid(cr);
>>             gid_t           gid = crgetgid(cr);
>>             zfs_acl_ids_t   acl_ids;
>>             boolean_t       fuid_dirtied;
>>     @@ -1427,12 +1418,6 @@ zfs_mkdir(znode_t *dzp, const char
>>     *dirname, vattr_t *vap, znode_t **zpp,
>>              * If we have an ephemeral id, ACL, or XVATTR then
>>              * make sure file system is at proper version
>>              */
>>     -
>>     -       ksid = crgetsid(cr, KSID_OWNER);
>>     -       if (ksid)
>>     -               uid = ksid_getid(ksid);
>>     -       else
>>     -               uid = crgetuid(cr);
>>             if (zfsvfs->z_use_fuids == B_FALSE &&
>>                 ((vap->va_mask & AT_XVATTR) ||
>>                 IS_EPHEMERAL(uid) || IS_EPHEMERAL(gid)))
>>     diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_znode.c
>>     b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_znode.c
>>     index d14df9d88a35..8a2773ac7971 100644
>>     --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_znode.c
>>     +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_znode.c
>>     @@ -839,7 +839,9 @@ zfs_xvattr_set(znode_t *zp, xvattr_t *xvap,
>>     dmu_tx_t *tx)
>>             xoap = xva_getxoptattr(xvap);
>>             ASSERT3P(xoap, !=, NULL);
>>
>>     -       ASSERT_VOP_IN_SEQC(ZTOV(zp));
>>     +       if (zp->z_zfsvfs->z_replay == B_FALSE) {
>>     +               ASSERT_VOP_IN_SEQC(ZTOV(zp));
>>     +       }
>>
>>             if (XVA_ISSET_REQ(xvap, XAT_CREATETIME)) {
>>                     uint64_t times[2];
>>     diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
>>     b/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
>>     index 8fe1cc30ba99..f81b9540a639 100644
>>     --- a/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
>>     +++ b/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
>>     @@ -128,7 +128,7 @@ groupmember(gid_t gid, const cred_t *cr)
>>      uid_t
>>      crgetuid(const cred_t *cr)
>>      {
>>     -       return (KUID_TO_SUID(cr->euid));
>>     +       return (KUID_TO_SUID(cr->fsuid));
>>      }
>>
>>      /* Return the real user id */
>>     @@ -138,44 +138,9 @@ crgetruid(const cred_t *cr)
>>             return (KUID_TO_SUID(cr->uid));
>>      }
>>
>>     -/* Return the saved user id */
>>     -uid_t
>>     -crgetsuid(const cred_t *cr)
>>     -{
>>     -       return (KUID_TO_SUID(cr->suid));
>>     -}
>>     -
>>     -/* Return the filesystem user id */
>>     -uid_t
>>     -crgetfsuid(const cred_t *cr)
>>     -{
>>     -       return (KUID_TO_SUID(cr->fsuid));
>>     -}
>>     -
>>      /* Return the effective group id */
>>      gid_t
>>      crgetgid(const cred_t *cr)
>>     -{
>>     -       return (KGID_TO_SGID(cr->egid));
>>     -}
>>     -
>>     -/* Return the real group id */
>>     -gid_t
>>     -crgetrgid(const cred_t *cr)
>>     -{
>>     -       return (KGID_TO_SGID(cr->gid));
>>     -}
>>     -
>>     -/* Return the saved group id */
>>     -gid_t
>>     -crgetsgid(const cred_t *cr)
>>     -{
>>     -       return (KGID_TO_SGID(cr->sgid));
>>     -}
>>     -
>>     -/* Return the filesystem group id */
>>     -gid_t
>>     -crgetfsgid(const cred_t *cr)
>>      {
>>             return (KGID_TO_SGID(cr->fsgid));
>>      }
>>     @@ -184,12 +149,7 @@ EXPORT_SYMBOL(crhold);
>>      EXPORT_SYMBOL(crfree);
>>      EXPORT_SYMBOL(crgetuid);
>>      EXPORT_SYMBOL(crgetruid);
>>     -EXPORT_SYMBOL(crgetsuid);
>>     -EXPORT_SYMBOL(crgetfsuid);
>>      EXPORT_SYMBOL(crgetgid);
>>     -EXPORT_SYMBOL(crgetrgid);
>>     -EXPORT_SYMBOL(crgetsgid);
>>     -EXPORT_SYMBOL(crgetfsgid);
>>      EXPORT_SYMBOL(crgetngroups);
>>      EXPORT_SYMBOL(crgetgroups);
>>      EXPORT_SYMBOL(groupmember);
>>     diff --git a/sys/contrib/openzfs/module/os/linux/zfs/policy.c
>>     b/sys/contrib/openzfs/module/os/linux/zfs/policy.c
>>     index bbccb2e572d9..5a52092bb90a 100644
>>     --- a/sys/contrib/openzfs/module/os/linux/zfs/policy.c
>>     +++ b/sys/contrib/openzfs/module/os/linux/zfs/policy.c
>>     @@ -121,7 +121,7 @@ secpolicy_vnode_access2(const cred_t *cr,
>>     struct inode *ip, uid_t owner,
>>      int
>>      secpolicy_vnode_any_access(const cred_t *cr, struct inode *ip,
>>     uid_t owner)
>>      {
>>     -       if (crgetfsuid(cr) == owner)
>>     +       if (crgetuid(cr) == owner)
>>                     return (0);
>>
>>             if (zpl_inode_owner_or_capable(kcred->user_ns, ip))
>>     @@ -147,7 +147,7 @@ secpolicy_vnode_any_access(const cred_t *cr,
>>     struct inode *ip, uid_t owner)
>>      int
>>      secpolicy_vnode_chown(const cred_t *cr, uid_t owner)
>>     *** 141 LINES SKIPPED ***
>>


-- 
Mateusz Guzik <mjguzik gmail.com>