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This is the 4.14.152 stable release
# gpg: Signature made Wed 06 Nov 2019 06:43:44 AM EST
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 4.14.150 stable release
# gpg: Signature made Thu 17 Oct 2019 04:44:05 PM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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This is the 4.14.149 stable release
# gpg: Signature made Fri 11 Oct 2019 12:18:50 PM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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[ Upstream commit 1047ec868332034d1fbcb2fae19fe6d4cb869ff2 ]
Our client can issue multiple SETCLIENTID operations to the same
server in some circumstances. Ensure that calls to
nfs4_proc_setclientid() after the first one do not overwrite the
previously allocated cl_acceptor string.
unreferenced object 0xffff888461031800 (size 32):
comm "mount.nfs", pid 2227, jiffies 4294822467 (age 1407.749s)
hex dump (first 32 bytes):
6e 66 73 40 6b 6c 69 6d 74 2e 69 62 2e 31 30 31 nfs@klimt.ib.101
35 67 72 61 6e 67 65 72 2e 6e 65 74 00 00 00 00 5granger.net....
backtrace:
[<00000000ab820188>] __kmalloc+0x128/0x176
[<00000000eeaf4ec8>] gss_stringify_acceptor+0xbd/0x1a7 [auth_rpcgss]
[<00000000e85e3382>] nfs4_proc_setclientid+0x34e/0x46c [nfsv4]
[<000000003d9cf1fa>] nfs40_discover_server_trunking+0x7a/0xed [nfsv4]
[<00000000b81c3787>] nfs4_discover_server_trunking+0x81/0x244 [nfsv4]
[<000000000801b55f>] nfs4_init_client+0x1b0/0x238 [nfsv4]
[<00000000977daf7f>] nfs4_set_client+0xfe/0x14d [nfsv4]
[<0000000053a68a2a>] nfs4_create_server+0x107/0x1db [nfsv4]
[<0000000088262019>] nfs4_remote_mount+0x2c/0x59 [nfsv4]
[<00000000e84a2fd0>] legacy_get_tree+0x2d/0x4c
[<00000000797e947c>] vfs_get_tree+0x20/0xc7
[<00000000ecabaaa8>] fc_mount+0xe/0x36
[<00000000f15fafc2>] vfs_kern_mount+0x74/0x8d
[<00000000a3ff4e26>] nfs_do_root_mount+0x8a/0xa3 [nfsv4]
[<00000000d1c2b337>] nfs4_try_mount+0x58/0xad [nfsv4]
[<000000004c9bddee>] nfs_fs_mount+0x820/0x869 [nfs]
Fixes: f11b2a1cfbf5 ("nfs4: copy acceptor name from context ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 33ea5aaa87cdae0f9af4d6b7ee4f650a1a36fd1d ]
When xfstests testing, there are some WARNING as below:
WARNING: CPU: 0 PID: 6235 at fs/nfs/inode.c:122 nfs_clear_inode+0x9c/0xd8
Modules linked in:
CPU: 0 PID: 6235 Comm: umount.nfs
Hardware name: linux,dummy-virt (DT)
pstate: 60000005 (nZCv daif -PAN -UAO)
pc : nfs_clear_inode+0x9c/0xd8
lr : nfs_evict_inode+0x60/0x78
sp : fffffc000f68fc00
x29: fffffc000f68fc00 x28: fffffe00c53155c0
x27: fffffe00c5315000 x26: fffffc0009a63748
x25: fffffc000f68fd18 x24: fffffc000bfaaf40
x23: fffffc000936d3c0 x22: fffffe00c4ff5e20
x21: fffffc000bfaaf40 x20: fffffe00c4ff5d10
x19: fffffc000c056000 x18: 000000000000003c
x17: 0000000000000000 x16: 0000000000000000
x15: 0000000000000040 x14: 0000000000000228
x13: fffffc000c3a2000 x12: 0000000000000045
x11: 0000000000000000 x10: 0000000000000000
x9 : 0000000000000000 x8 : 0000000000000000
x7 : 0000000000000000 x6 : fffffc00084b027c
x5 : fffffc0009a64000 x4 : fffffe00c0e77400
x3 : fffffc000c0563a8 x2 : fffffffffffffffb
x1 : 000000000000764e x0 : 0000000000000001
Call trace:
nfs_clear_inode+0x9c/0xd8
nfs_evict_inode+0x60/0x78
evict+0x108/0x380
dispose_list+0x70/0xa0
evict_inodes+0x194/0x210
generic_shutdown_super+0xb0/0x220
nfs_kill_super+0x40/0x88
deactivate_locked_super+0xb4/0x120
deactivate_super+0x144/0x160
cleanup_mnt+0x98/0x148
__cleanup_mnt+0x38/0x50
task_work_run+0x114/0x160
do_notify_resume+0x2f8/0x308
work_pending+0x8/0x14
The nrequest should be increased/decreased only if PG_INODE_REF flag
was setted.
But in the nfs_inode_remove_request function, it maybe decrease when
no PG_INODE_REF flag, this maybe lead nrequests count error.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 031d73ed768a40684f3ca21992265ffdb6a270bf upstream.
When a series of O_DIRECT reads or writes are truncated, either due to
eof or due to an error, then we should return the number of contiguous
bytes that were received/sent starting at the offset specified by the
application.
Currently, we are failing to correctly check contiguity, and so we're
failing the generic/465 in xfstests when the race between the read
and write RPCs causes the file to get extended while the 2 reads are
outstanding. If the first read RPC call wins the race and returns with
eof set, we should treat the second read RPC as being truncated.
Reported-by: Su Yanjun <suyj.fnst@cn.fujitsu.com>
Fixes: 1ccbad9f9f9bd ("nfs: fix DIO good bytes calculation")
Cc: stable@vger.kernel.org # 4.1+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9c47b18cf722184f32148784189fca945a7d0561 ]
IF the server rejected our layout return with a state error such as
NFS4ERR_BAD_STATEID, or even a stale inode error, then we do want
to clear out all the remaining layout segments and mark that stateid
as invalid.
Fixes: 1c5bd76d17cca ("pNFS: Enable layoutreturn operation for...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit e2751463eaa6f9fec8fea80abbdc62dbc487b3c5 ]
In encode_attrs(), there is an if statement on line 1145 to check
whether label is NULL:
if (label && (attrmask[2] & FATTR4_WORD2_SECURITY_LABEL))
When label is NULL, it is used on lines 1178-1181:
*p++ = cpu_to_be32(label->lfs);
*p++ = cpu_to_be32(label->pi);
*p++ = cpu_to_be32(label->len);
p = xdr_encode_opaque_fixed(p, label->label, label->len);
To fix these bugs, label is checked before being used.
These bugs are found by a static analysis tool STCheck written by us.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 4.14.146 stable release
# gpg: Signature made Sat 21 Sep 2019 01:15:48 AM EDT
# gpg: using RSA key 647F28654894E3BD457199BE38DBBDC86092693E
# gpg: Can't check signature: No public key
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[ Upstream commit d33d4beb522987d1c305c12500796f9be3687dee ]
Ensure we update the write result count on success, since the
RPC call itself does not do so.
Reported-by: Jan Stancek <jstancek@redhat.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Tested-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 71affe9be45a5c60b9772e1b2701710712637274 ]
If we received a reply from the server with a zero length read and
no error, then that implies we are at eof.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 17d8c5d145000070c581f2a8aa01edc7998582ab ]
Initialise the result count to 0 rather than initialising it to the
argument count. The reason is that we want to ensure we record the
I/O stats correctly in the case where an error is returned (for
instance in the layoutstats).
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9821421a291b548ef4369c6998745baa36ddecd5 ]
If the file turns out to be of the wrong type after opening, we want
to revalidate the path and retry, so return EOPENSTALE rather than
ESTALE.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 90cf500e338ab3f3c0f126ba37e36fb6a9058441 ]
Currently, we are translating RPC level errors such as timeouts,
as well as interrupts etc into EOPENSTALE, which forces a single
replay of the open attempt. What we actually want to do is
force the replay only in the cases where the returned error
indicates that the file may have changed on the server.
So the fix is to spell out the exact set of errors where we want
to return EOPENSTALE.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 4.14.142 stable release
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This is the 4.14.141 stable release
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This is the 4.14.139 stable release
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This is the 4.14.136 stable release
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This is the 4.14.135 stable release
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This is the 4.14.132 stable release
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This is the 4.14.123 stable release
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This is the 4.14.122 stable release
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[ Upstream commit eb2c50da9e256dbbb3ff27694440e4c1900cfef8 ]
If the attempt to resend the I/O results in no bytes being read/written,
we must ensure that we report the error.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Fixes: 0a00b77b331a ("nfs: mirroring support for direct io")
Cc: stable@vger.kernel.org # v3.20+
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit df3accb849607a86278a37c35e6b313635ccc48b ]
Allow the caller to pass error information when cleaning up a failed
I/O request so that we can conditionally take action to cancel the
request altogether if the error turned out to be fatal.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit f4340e9314dbfadc48758945f85fc3b16612d06f ]
If the attempt to resend the pages fails, we need to ensure that we
clean up those pages that were not transmitted.
Fixes: d600ad1f2bdb ("NFS41: pop some layoutget errors to application")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.5+
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 078b5fd92c4913dd367361db6c28568386077c89 ]
In several places we're just moving the struct nfs_page from one list to
another by first removing from the existing list, then adding to the new
one.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c77e22834ae9a11891cb613bd9a551be1b94f2bc ]
John Hubbard reports seeing the following stack trace:
nfs4_do_reclaim
rcu_read_lock /* we are now in_atomic() and must not sleep */
nfs4_purge_state_owners
nfs4_free_state_owner
nfs4_destroy_seqid_counter
rpc_destroy_wait_queue
cancel_delayed_work_sync
__cancel_work_timer
__flush_work
start_flush_work
might_sleep:
(kernel/workqueue.c:2975: BUG)
The solution is to separate out the freeing of the state owners
from nfs4_purge_state_owners(), and perform that outside the atomic
context.
Reported-by: John Hubbard <jhubbard@nvidia.com>
Fixes: 0aaaf5c424c7f ("NFS: Cache state owners after files are closed")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 09a54f0ebfe263bc27c90bbd80187b9a93283887 upstream.
If the user specifies an open mode of 3, then we don't have a NFSv4 state
attached to the context, and so we Oops when we try to dereference it.
Reported-by: Olga Kornievskaia <aglo@umich.edu>
Fixes: 29b59f9416937 ("NFSv4: change nfs4_do_setattr to take...")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.10: 991eedb1371dc: NFSv4: Only pass the...
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 991eedb1371dc09b0f9848f59c8898fe63d198c0 upstream.
Even then it isn't really necessary. The reason why we may not want to
pass in a stateid in other cases is that we cannot use the delegation
credential.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9f7761cf0409465075dadb875d5d4b8ef2f890c8 upstream.
Don't bail out before cleaning up a new allocation if the wait for
searching for a matching nfs client is interrupted. Memory leaks.
Reported-by: syzbot+7fe11b49c1cc30e3fce2@syzkaller.appspotmail.com
Fixes: 950a578c6128 ("NFS: make nfs_match_client killable")
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c7944ebb9ce9461079659e9e6ec5baaf73724b3b upstream.
If we're revalidating an existing dentry in order to open a file, we need
to ensure that we check the directory has not changed before we optimise
away the lookup.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Qian Lu <luqia@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5ceb9d7fdaaf6d8ced6cd7861cf1deb9cd93fa47 upstream.
Refactor the code in nfs_lookup_revalidate() as a stepping stone towards
optimising and fixing nfs4_lookup_revalidate().
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Qian Lu <luqia@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit be189f7e7f03de35887e5a85ddcf39b91b5d7fc1 upstream.
We need to ensure that inode and dentry revalidation occurs correctly
on reopen of a file that is already open. Currently, we can end up
not revalidating either in the case of NFSv4.0, due to the 'cached open'
path.
Let's fix that by ensuring that we only do cached open for the special
cases of open recovery and delegation return.
Reported-by: Stan Hu <stanhu@gmail.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Qian Lu <luqia@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8fd1ab747d2b1ec7ec663ad0b41a32eaa35117a8 ]
If the server that does not implement NFSv4.1 persistent session
semantics reboots while we are performing an exclusive create,
then the return value of NFS4ERR_DELAY when we replay the open
during the grace period causes us to lose the verifier.
When the grace period expires, and we present a new verifier,
the server will then correctly reply NFS4ERR_EXIST.
This commit ensures that we always present the same verifier when
replaying the OPEN.
Reported-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8e04fdfadda75a849c649f7e50fe7d97772e1fcb upstream.
mirror->mirror_ds can be NULL if uninitialised, but can contain
a PTR_ERR() if call to GETDEVICEINFO failed.
Fixes: 65990d1afbd2 ("pNFS/flexfiles: Fix a deadlock on LAYOUTGET")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # 4.10+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 44942b4e457beda00981f616402a1a791e8c616e upstream.
According to the open() manpage, Linux reserves the access mode 3
to mean "check for read and write permission on the file and return
a file descriptor that can't be used for reading or writing."
Currently, the NFSv4 code will ask the server to open the file,
and will use an incorrect share access mode of 0. Since it has
an incorrect share access mode, the client later forgets to send
a corresponding close, meaning it can leak stateids on the server.
Fixes: ce4ef7c0a8a05 ("NFS: Split out NFS v4 file operations")
Cc: stable@vger.kernel.org # 3.6+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 68f461593f76bd5f17e87cdd0bea28f4278c7268 upstream.
Fix a typo where we're confusing the default TCP retrans value
(NFS_DEF_TCP_RETRANS) for the default TCP timeout value.
Fixes: 15d03055cf39f ("pNFS/flexfiles: Set reasonable default ...")
Cc: stable@vger.kernel.org # 4.8+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c260121a97a3e4df6536edbc2f26e166eff370ce ]
Now that nfs_match_client drops the nfs_client_lock, we should be
careful
to always return it in the same condition: locked.
Fixes: 950a578c6128 ("NFS: make nfs_match_client killable")
Reported-by: syzbot+228a82b263b5da91883d@syzkaller.appspotmail.com
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 950a578c6128c2886e295b9c7ecb0b6b22fcc92b ]
Actually we don't do anything with return value from
nfs_wait_client_init_complete in nfs_match_client, as a
consequence if we get a fatal signal and client is not
fully initialised, we'll loop to "again" label
This has been proven to cause soft lockups on some scenarios
(no-carrier but configured network interfaces)
Signed-off-by: Roberto Bergantinos Corpas <rbergant@redhat.com>
Reviewed-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit b1029c9bc078a6f1515f55dd993b507dcc7e3440 upstream.
If we fail to find a good deviceid while trying to pnfs instead of
propogating an error back fallback to doing IO to the MDS. Currently,
code with fals the IO with EINVAL.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Fixes: 8d40b0f14846f ("NFS filelayout:call GETDEVICEINFO after pnfs_layout_process completes"
Cc: stable@vger.kernel.org # v4.11+
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f02f3755dbd14fb935d24b14650fff9ba92243b8 upstream.
stat command with soft mount never return after server is stopped.
When alloc a new client, the state of the client will be set to
NFS4CLNT_LEASE_EXPIRED.
When the server is stopped, the state manager will work, and accord
the state to recover. But the state is NFS4CLNT_LEASE_EXPIRED, it
will drain the slot table and lead other task to wait queue, until
the client recovered. Then the stat command is hung.
When discover server trunking, the client will renew the lease,
but check the client state, it lead the client state corruption.
So, we need to call state manager to recover it when detect server
ip trunking.
Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 4.14.116 stable release
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This is the 4.14.115 stable release
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This is the 4.14.110 stable release
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This is the 4.14.108 stable release
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This is the 4.14.106 stable release
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This is the 4.14.99 stable release
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[ Upstream commit 5a698243930c441afccec04e4d5dc8febfd2b775 ]
Specifying a retrans=0 mount parameter to a NFS/TCP mount, is
inadvertently causing the NFS client to rewrite any specified
timeout parameter to the default of 60 seconds.
Fixes: a956beda19a6 ("NFS: Allow the mount option retrans=0")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
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commit 7c2bd9a39845bfb6d72ddb55ce737650271f6f96 upstream.
syzbot is reporting uninitialized value at rpc_sockaddr2uaddr() [1]. This
is because syzbot is setting AF_INET6 to "struct sockaddr_in"->sin_family
(which is embedded into user-visible "struct nfs_mount_data" structure)
despite nfs23_validate_mount_data() cannot pass sizeof(struct sockaddr_in6)
bytes of AF_INET6 address to rpc_sockaddr2uaddr().
Since "struct nfs_mount_data" structure is user-visible, we can't change
"struct nfs_mount_data" to use "struct sockaddr_storage". Therefore,
assuming that everybody is using AF_INET family when passing address via
"struct nfs_mount_data"->addr, reject if its sin_family is not AF_INET.
[1] https://syzkaller.appspot.com/bug?id=599993614e7cbbf66bc2656a919ab2a95fb5d75c
Reported-by: syzbot <syzbot+047a11c361b872896a4f@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 0cb98abb5bd13b9a636bde603d952d722688b428 upstream.
Allow the async rpc task for finish and update the open state if needed,
then free the slot. Otherwise, the async rpc unable to decode the reply.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Fixes: ae55e59da0e4 ("pnfs: Don't release the sequence slot...")
Cc: stable@vger.kernel.org # v4.18+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bruce Ashfield
Chuck Lever
ZhangXiaoxu
Trond Myklebust
Jia-Ju Bai
Trond Myklebust
Trond Myklebust
Benjamin Coddington
Roberto Bergantinos Corpas
Olga Kornievskaia
Tetsuo Handa