On Fri, 2021-10-29 at 13:02 +0300, Stanislav Levin wrote: > Hello. > > With switching of autofs 5.1.7 -> 5.1.8 we faced the next issue. > > My Linux distro (ALTLinux) has the policy for rpcbind which controls > the > localhostness (localhost only by default). NFSv4 doesn't require > rpcbind. But with 606795ecfaa1ba45ab58fa20376213f6089e42e9 > ( > https://git.kernel.org/pub/scm/linux/storage/autofs/autofs.git/commit/?id=606795ecfaa1ba45ab58fa20376213f6089e42e9 > ) > it is mandatory and broken our users. > > autoumount log: > > Oct 28 08:23:24 client3.ipa.test automount[1243]: handle_packet: type > = 3 > Oct 28 08:23:24 client3.ipa.test automount[1243]: > handle_packet_missing_indirect: token 2, name athena, request pid > 1297 > Oct 28 08:23:24 client3.ipa.test automount[1243]: attempting to mount > entry /home/athena > Oct 28 08:23:24 client3.ipa.test automount[1243]: lookup_mount: > lookup(sss): looking up athena > Oct 28 08:23:24 client3.ipa.test automount[1243]: lookup_mount: > lookup(sss): athena -> -fstype=nfs4,rw,sec=krb5p > client1.ipa.test:/krbnfs_home/& > Oct 28 08:23:24 client3.ipa.test automount[1243]: parse_mount: > parse(sun): expanded entry: -fstype=nfs4,rw,sec=krb5p > client1.ipa.test:/krbnfs_home/athena > Oct 28 08:23:24 client3.ipa.test automount[1243]: parse_mount: > parse(sun): gathered options: fstype=nfs4,rw,sec=krb5p > Oct 28 08:23:24 client3.ipa.test automount[1243]: parse_mount: > parse(sun): dequote("client1.ipa.test:/krbnfs_home/athena") -> > client1.ipa.test:/krbnfs_home/athena > Oct 28 08:23:24 client3.ipa.test automount[1243]: parse_mount: > parse(sun): core of entry: options=fstype=nfs4,rw,sec=krb5p, > loc=client1.ipa.test:/krbnfs_home/athena > Oct 28 08:23:24 client3.ipa.test automount[1243]: sun_mount: > parse(sun): > mounting root /home, mountpoint athena, what > client1.ipa.test:/krbnfs_home/athena, fstype nfs4, options > rw,sec=krb5p > Oct 28 08:23:24 client3.ipa.test automount[1243]: mount(nfs): > root=/home > name=athena what=client1.ipa.test:/krbnfs_home/athena, fstype=nfs4, > options=rw,sec=krb5p > Oct 28 08:23:24 client3.ipa.test automount[1243]: mount(nfs): nfs > options="rw,sec=krb5p", nobind=0, nosymlink=0, ro=0 > Oct 28 08:23:24 client3.ipa.test automount[1243]: get_nfs_info: > called > with host client1.ipa.test(172.18.0.2) proto 6 version 0x40 > Oct 28 08:23:24 client3.ipa.test automount[1243]: get_portmap_client: > error 0x3 getting portmap client > Oct 28 08:23:24 client3.ipa.test automount[1243]: mount(nfs): no > hosts > available > > reason: > > (gdb) bt > #0 get_vers_and_cost (logopt=logopt@entry=1, > host=host@entry=0x7f239c002240, version=version@entry=65, > port=port@entry=-1) at /usr/src/debug/autofs- > 5.1.8/modules/replicated.c:552 > #1 0x00007f23a52a2b12 in prune_host_list (logopt=1, > list=list@entry=0x7f23a4a64590, vers=vers@entry=65, port=port@entry=- > 1) > at /usr/src/debug/autofs-5.1.8/modules/replicated.c:785 > #2 0x00007f23a52a384e in mount_mount (ap=<optimized out>, > root=<optimized out>, name=<optimized out>, name_len=<optimized out>, > what=<optimized out>, fstype=<optimized out>, options=<optimized > out>, > context=<optimized out>) at > /usr/src/debug/autofs-5.1.8/modules/mount_nfs.c:270 > #3 0x00007f23a52c4e23 in sun_mount (ap=ap@entry=0x562be0d49120, > root=root@entry=0x562be0d49200 "/home", > name=name@entry=0x7f23a4a668d0 > "athena", namelen=namelen@entry=6, loc=loc@entry=0x7f239c001f80 > "client1.ipa.test:/krbnfs_home/athena", loclen=loclen@entry=36, > options=0x7f23a4a656a0 "rw,sec=krb5p", ctxt=<optimized out>) at > /usr/src/debug/autofs-5.1.8/modules/parse_sun.c:713 > #4 0x00007f23a52cd1cd in parse_mount (ap=0x562be0d49120, > name=0x7f23a4a668d0 "athena", name_len=6, mapent=<optimized out>, > context=0x7f2398000f80) at > /usr/src/debug/autofs-5.1.8/modules/parse_sun.c:1708 > #5 0x00007f23a52f7f35 in lookup_mount (ap=0x562be0d49120, > name=<optimized out>, name_len=<optimized out>, > context=0x7f2398000ef0) > at /usr/src/debug/autofs-5.1.8/modules/lookup_sss.c:1121 > #6 0x0000562bdf8e7fe7 in do_lookup_mount > (ap=ap@entry=0x562be0d49120, > map=0x7f2398000d80, name=name@entry=0x7f23a4a6bd90 "athena", > name_len=name_len@entry=6) at > /usr/src/debug/autofs-5.1.8/daemon/lookup.c:823 > #7 0x0000562bdf8ee4ec in lookup_name_source_instance > (ap=ap@entry=0x562be0d49120, map=map@entry=0x562be0d49220, > type=type@entry=0x7f239c001ab0 "sss", name=name@entry=0x7f23a4a6bd90 > "athena", name_len=name_len@entry=6) at > /usr/src/debug/autofs-5.1.8/daemon/lookup.c:993 > #8 0x0000562bdf8ee5d8 in lookup_map_name > (this=this@entry=0x7f239c001a70, ap=ap@entry=0x562be0d49120, > map=map@entry=0x562be0d49220, name=name@entry=0x7f23a4a6bd90 > "athena", > name_len=name_len@entry=6) at > /usr/src/debug/autofs-5.1.8/daemon/lookup.c:1044 > #9 0x0000562bdf8ef5ae in lookup_nss_mount (ap=0x562be0d49120, > source=0x0, name=0x7f23a4a6bd90 "athena", name_len=6) at > /usr/src/debug/autofs-5.1.8/daemon/lookup.c:1241 > #10 0x0000562bdf8e032b in do_mount_indirect (arg=<optimized out>) at > /usr/src/debug/autofs-5.1.8/daemon/indirect.c:756 > > (gdb) info args > logopt = 1 > host = 0x7f239c002240 > version = 65 > port = -1 > > (gdb) p /t version > $22 = 1000001 > > so, version is (NFS4_REQUESTED | TCP_REQUESTED). It's ok. > > vers is defined as (NFS_VERS_MASK | NFS4_VERS_MASK) > (gdb) p /t 0x0010 | 0x0020 | 0x0040 > $21 = 1110000 > > with vers &= version; TCP_REQUESTED is filtered out and only > NFS4_REQUESTED stay in. Thus, get_nfs_info will never(?) receive > TCP_REQUESTED and this makes NFSv4 port setting unreachable: > 294 if ((version & NFS4_REQUESTED) && (version & > TCP_REQUESTED)) > 295 rpc_info->port = NFS_PORT; Yes, that's broken. I'll need to fix that, I'll get back with a patch. Ian
