The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 52b042ab9948cc367b61f9ca9c18603aa7813c3a Mon Sep 17 00:00:00 2001
From: Yihao Wu <wuyihao(a)linux.alibaba.com>
Date: Wed, 22 May 2019 01:57:10 +0800
Subject: [PATCH] NFSv4.1: Again fix a race where CB_NOTIFY_LOCK fails to wake
a waiter
Commit b7dbcc0e433f "NFSv4.1: Fix a race where CB_NOTIFY_LOCK fails to wake a waiter"
found this bug. However it didn't fix it.
This commit replaces schedule_timeout() with wait_woken() and
default_wake_function() with woken_wake_function() in function
nfs4_retry_setlk() and nfs4_wake_lock_waiter(). wait_woken() uses
memory barriers in its implementation to avoid potential race condition
when putting a process into sleeping state and then waking it up.
Fixes: a1d617d8f134 ("nfs: allow blocking locks to be awoken by lock callbacks")
Cc: stable(a)vger.kernel.org #4.9+
Signed-off-by: Yihao Wu <wuyihao(a)linux.alibaba.com>
Reviewed-by: Jeff Layton <jlayton(a)kernel.org>
Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index c29cbef6b53f..5f89bbd177c6 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6932,7 +6932,6 @@ struct nfs4_lock_waiter {
struct task_struct *task;
struct inode *inode;
struct nfs_lowner *owner;
- bool notified;
};
static int
@@ -6954,13 +6953,13 @@ nfs4_wake_lock_waiter(wait_queue_entry_t *wait, unsigned int mode, int flags, vo
/* Make sure it's for the right inode */
if (nfs_compare_fh(NFS_FH(waiter->inode), &cbnl->cbnl_fh))
return 0;
-
- waiter->notified = true;
}
/* override "private" so we can use default_wake_function */
wait->private = waiter->task;
- ret = autoremove_wake_function(wait, mode, flags, key);
+ ret = woken_wake_function(wait, mode, flags, key);
+ if (ret)
+ list_del_init(&wait->entry);
wait->private = waiter;
return ret;
}
@@ -6969,7 +6968,6 @@ static int
nfs4_retry_setlk(struct nfs4_state *state, int cmd, struct file_lock *request)
{
int status = -ERESTARTSYS;
- unsigned long flags;
struct nfs4_lock_state *lsp = request->fl_u.nfs4_fl.owner;
struct nfs_server *server = NFS_SERVER(state->inode);
struct nfs_client *clp = server->nfs_client;
@@ -6979,8 +6977,7 @@ nfs4_retry_setlk(struct nfs4_state *state, int cmd, struct file_lock *request)
.s_dev = server->s_dev };
struct nfs4_lock_waiter waiter = { .task = current,
.inode = state->inode,
- .owner = &owner,
- .notified = false };
+ .owner = &owner};
wait_queue_entry_t wait;
/* Don't bother with waitqueue if we don't expect a callback */
@@ -6993,21 +6990,14 @@ nfs4_retry_setlk(struct nfs4_state *state, int cmd, struct file_lock *request)
add_wait_queue(q, &wait);
while(!signalled()) {
- waiter.notified = false;
status = nfs4_proc_setlk(state, cmd, request);
if ((status != -EAGAIN) || IS_SETLK(cmd))
break;
status = -ERESTARTSYS;
- spin_lock_irqsave(&q->lock, flags);
- if (waiter.notified) {
- spin_unlock_irqrestore(&q->lock, flags);
- continue;
- }
- set_current_state(TASK_INTERRUPTIBLE);
- spin_unlock_irqrestore(&q->lock, flags);
-
- freezable_schedule_timeout(NFS4_LOCK_MAXTIMEOUT);
+ freezer_do_not_count();
+ wait_woken(&wait, TASK_INTERRUPTIBLE, NFS4_LOCK_MAXTIMEOUT);
+ freezer_count();
}
finish_wait(q, &wait);
The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From b21d9c435f935014d3e3fa6914f2e4fbabb0e94d Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il(a)gmail.com>
Date: Sun, 26 May 2019 09:28:25 +0300
Subject: [PATCH] ovl: support the FS_IOC_FS[SG]ETXATTR ioctls
They are the extended version of FS_IOC_FS[SG]ETFLAGS ioctls.
xfs_io -c "chattr <flags>" uses the new ioctls for setting flags.
This used to work in kernel pre v4.19, before stacked file ops
introduced the ovl_ioctl whitelist.
Reported-by: Dave Chinner <david(a)fromorbit.com>
Fixes: d1d04ef8572b ("ovl: stack file ops")
Cc: <stable(a)vger.kernel.org> # v4.19
Signed-off-by: Amir Goldstein <amir73il(a)gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi(a)redhat.com>
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index 540a8b845145..340a6ad45914 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -426,7 +426,8 @@ static unsigned int ovl_get_inode_flags(struct inode *inode)
return ovl_iflags;
}
-static long ovl_ioctl_set_flags(struct file *file, unsigned long arg)
+static long ovl_ioctl_set_flags(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
long ret;
struct inode *inode = file_inode(file);
@@ -456,7 +457,7 @@ static long ovl_ioctl_set_flags(struct file *file, unsigned long arg)
if (ret)
goto unlock;
- ret = ovl_real_ioctl(file, FS_IOC_SETFLAGS, arg);
+ ret = ovl_real_ioctl(file, cmd, arg);
ovl_copyflags(ovl_inode_real(inode), inode);
unlock:
@@ -474,11 +475,13 @@ static long ovl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
switch (cmd) {
case FS_IOC_GETFLAGS:
+ case FS_IOC_FSGETXATTR:
ret = ovl_real_ioctl(file, cmd, arg);
break;
case FS_IOC_SETFLAGS:
- ret = ovl_ioctl_set_flags(file, arg);
+ case FS_IOC_FSSETXATTR:
+ ret = ovl_ioctl_set_flags(file, cmd, arg);
break;
default:
The patch below does not apply to the 4.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From ec6017d9035986a36de064f48a63245930bfad6f Mon Sep 17 00:00:00 2001
From: Olga Kornievskaia <kolga(a)netapp.com>
Date: Wed, 29 May 2019 10:46:00 -0400
Subject: [PATCH] SUNRPC fix regression in umount of a secure mount
If call_status returns ENOTCONN, we need to re-establish the connection
state after. Otherwise the client goes into an infinite loop of call_encode,
call_transmit, call_status (ENOTCONN), call_encode.
Fixes: c8485e4d63 ("SUNRPC: Handle ECONNREFUSED correctly in xprt_transmit()")
Signed-off-by: Olga Kornievskaia <kolga(a)netapp.com>
Cc: stable(a)vger.kernel.org # v2.6.29+
Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d6e57da56c94..94a653be8e25 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2288,13 +2288,13 @@ call_status(struct rpc_task *task)
case -ECONNREFUSED:
case -ECONNRESET:
case -ECONNABORTED:
+ case -ENOTCONN:
rpc_force_rebind(clnt);
/* fall through */
case -EADDRINUSE:
rpc_delay(task, 3*HZ);
/* fall through */
case -EPIPE:
- case -ENOTCONN:
case -EAGAIN:
break;
case -EIO:
The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From ec6017d9035986a36de064f48a63245930bfad6f Mon Sep 17 00:00:00 2001
From: Olga Kornievskaia <kolga(a)netapp.com>
Date: Wed, 29 May 2019 10:46:00 -0400
Subject: [PATCH] SUNRPC fix regression in umount of a secure mount
If call_status returns ENOTCONN, we need to re-establish the connection
state after. Otherwise the client goes into an infinite loop of call_encode,
call_transmit, call_status (ENOTCONN), call_encode.
Fixes: c8485e4d63 ("SUNRPC: Handle ECONNREFUSED correctly in xprt_transmit()")
Signed-off-by: Olga Kornievskaia <kolga(a)netapp.com>
Cc: stable(a)vger.kernel.org # v2.6.29+
Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d6e57da56c94..94a653be8e25 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2288,13 +2288,13 @@ call_status(struct rpc_task *task)
case -ECONNREFUSED:
case -ECONNRESET:
case -ECONNABORTED:
+ case -ENOTCONN:
rpc_force_rebind(clnt);
/* fall through */
case -EADDRINUSE:
rpc_delay(task, 3*HZ);
/* fall through */
case -EPIPE:
- case -ENOTCONN:
case -EAGAIN:
break;
case -EIO:
The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From ec6017d9035986a36de064f48a63245930bfad6f Mon Sep 17 00:00:00 2001
From: Olga Kornievskaia <kolga(a)netapp.com>
Date: Wed, 29 May 2019 10:46:00 -0400
Subject: [PATCH] SUNRPC fix regression in umount of a secure mount
If call_status returns ENOTCONN, we need to re-establish the connection
state after. Otherwise the client goes into an infinite loop of call_encode,
call_transmit, call_status (ENOTCONN), call_encode.
Fixes: c8485e4d63 ("SUNRPC: Handle ECONNREFUSED correctly in xprt_transmit()")
Signed-off-by: Olga Kornievskaia <kolga(a)netapp.com>
Cc: stable(a)vger.kernel.org # v2.6.29+
Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d6e57da56c94..94a653be8e25 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2288,13 +2288,13 @@ call_status(struct rpc_task *task)
case -ECONNREFUSED:
case -ECONNRESET:
case -ECONNABORTED:
+ case -ENOTCONN:
rpc_force_rebind(clnt);
/* fall through */
case -EADDRINUSE:
rpc_delay(task, 3*HZ);
/* fall through */
case -EPIPE:
- case -ENOTCONN:
case -EAGAIN:
break;
case -EIO:
The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable(a)vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From ec6017d9035986a36de064f48a63245930bfad6f Mon Sep 17 00:00:00 2001
From: Olga Kornievskaia <kolga(a)netapp.com>
Date: Wed, 29 May 2019 10:46:00 -0400
Subject: [PATCH] SUNRPC fix regression in umount of a secure mount
If call_status returns ENOTCONN, we need to re-establish the connection
state after. Otherwise the client goes into an infinite loop of call_encode,
call_transmit, call_status (ENOTCONN), call_encode.
Fixes: c8485e4d63 ("SUNRPC: Handle ECONNREFUSED correctly in xprt_transmit()")
Signed-off-by: Olga Kornievskaia <kolga(a)netapp.com>
Cc: stable(a)vger.kernel.org # v2.6.29+
Signed-off-by: Anna Schumaker <Anna.Schumaker(a)Netapp.com>
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d6e57da56c94..94a653be8e25 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2288,13 +2288,13 @@ call_status(struct rpc_task *task)
case -ECONNREFUSED:
case -ECONNRESET:
case -ECONNABORTED:
+ case -ENOTCONN:
rpc_force_rebind(clnt);
/* fall through */
case -EADDRINUSE:
rpc_delay(task, 3*HZ);
/* fall through */
case -EPIPE:
- case -ENOTCONN:
case -EAGAIN:
break;
case -EIO:
Hello,
please add this patch
Subject: mtd: spinand: macronix: Fix ECC Status Read
commit f4cb4d7b46f6409382fd981eec9556e1f3c1dc5d [0]
Author: Emil Lenngren <emil.lenngren(a)gmail.com>
Date: Thu Dec 20 13:46:58 2018 +0100
to the stable release of 4.19.
Regards,
Christian
[0] <https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?…>