Merge tag 'v6.12-rc7' into __tmp-hansg-linux-tags_media_atomisp_6_13_1

Linux 6.12-rc7

* tag 'v6.12-rc7': (1909 commits)
  Linux 6.12-rc7
  filemap: Fix bounds checking in filemap_read()
  i2c: designware: do not hold SCL low when I2C_DYNAMIC_TAR_UPDATE is not set
  mailmap: add entry for Thorsten Blum
  ocfs2: remove entry once instead of null-ptr-dereference in ocfs2_xa_remove()
  signal: restore the override_rlimit logic
  fs/proc: fix compile warning about variable 'vmcore_mmap_ops'
  ucounts: fix counter leak in inc_rlimit_get_ucounts()
  selftests: hugetlb_dio: check for initial conditions to skip in the start
  mm: fix docs for the kernel parameter ``thp_anon=``
  mm/damon/core: avoid overflow in damon_feed_loop_next_input()
  mm/damon/core: handle zero schemes apply interval
  mm/damon/core: handle zero {aggregation,ops_update} intervals
  mm/mlock: set the correct prev on failure
  objpool: fix to make percpu slot allocation more robust
  mm/page_alloc: keep track of free highatomic
  bcachefs: Fix UAF in __promote_alloc() error path
  bcachefs: Change OPT_STR max to be 1 less than the size of choices array
  bcachefs: btree_cache.freeable list fixes
  bcachefs: check the invalid parameter for perf test
  ...

7 files changed, 26 insertions, 21 deletions

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index cc9077b588d7..92b06d1de4cc 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -14,7 +14,7 @@
 #include <linux/workqueue.h>
 #include <linux/kthread.h>
 #include <net/net_namespace.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/uio.h>
 #include "aoe.h"
 
@@ -361,6 +361,7 @@ ata_rw_frameinit(struct frame *f)
 	}
 
 	ah->cmdstat = ATA_CMD_PIO_READ | writebit | extbit;
+	dev_hold(t->ifp->nd);
 	skb->dev = t->ifp->nd;
 }
 
@@ -401,6 +402,8 @@ aoecmd_ata_rw(struct aoedev *d)
 		__skb_queue_head_init(&queue);
 		__skb_queue_tail(&queue, skb);
 		aoenet_xmit(&queue);
+	} else {
+		dev_put(f->t->ifp->nd);
 	}
 	return 1;
 }
@@ -483,10 +486,13 @@ resend(struct aoedev *d, struct frame *f)
 	memcpy(h->dst, t->addr, sizeof h->dst);
 	memcpy(h->src, t->ifp->nd->dev_addr, sizeof h->src);
 
+	dev_hold(t->ifp->nd);
 	skb->dev = t->ifp->nd;
 	skb = skb_clone(skb, GFP_ATOMIC);
-	if (skb == NULL)
+	if (skb == NULL) {
+		dev_put(t->ifp->nd);
 		return;
+	}
 	f->sent = ktime_get();
 	__skb_queue_head_init(&queue);
 	__skb_queue_tail(&queue, skb);
@@ -617,6 +623,8 @@ probe(struct aoetgt *t)
 		__skb_queue_head_init(&queue);
 		__skb_queue_tail(&queue, skb);
 		aoenet_xmit(&queue);
+	} else {
+		dev_put(f->t->ifp->nd);
 	}
 }
 
@@ -1395,6 +1403,7 @@ aoecmd_ata_id(struct aoedev *d)
 	ah->cmdstat = ATA_CMD_ID_ATA;
 	ah->lba3 = 0xa0;
 
+	dev_hold(t->ifp->nd);
 	skb->dev = t->ifp->nd;
 
 	d->rttavg = RTTAVG_INIT;
@@ -1404,6 +1413,8 @@ aoecmd_ata_id(struct aoedev *d)
 	skb = skb_clone(skb, GFP_ATOMIC);
 	if (skb)
 		f->sent = ktime_get();
+	else
+		dev_put(t->ifp->nd);
 
 	return skb;
 }
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 923a134fd766..66e617664c14 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -10,7 +10,7 @@
 #include <linux/netdevice.h>
 #include <linux/moduleparam.h>
 #include <net/net_namespace.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include "aoe.h"
 
 #define NECODES 5
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 2a05d955e30b..e21492981f7d 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1364,7 +1364,6 @@ extern struct bio_set drbd_io_bio_set;
 
 extern struct mutex resources_mutex;
 
-extern int conn_lowest_minor(struct drbd_connection *connection);
 extern enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsigned int minor);
 extern void drbd_destroy_device(struct kref *kref);
 extern void drbd_delete_device(struct drbd_device *device);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 0d74d75260ef..5bbd312c3e14 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -471,20 +471,6 @@ void _drbd_thread_stop(struct drbd_thread *thi, int restart, int wait)
 		wait_for_completion(&thi->stop);
 }
 
-int conn_lowest_minor(struct drbd_connection *connection)
-{
-	struct drbd_peer_device *peer_device;
-	int vnr = 0, minor = -1;
-
-	rcu_read_lock();
-	peer_device = idr_get_next(&connection->peer_devices, &vnr);
-	if (peer_device)
-		minor = device_to_minor(peer_device->device);
-	rcu_read_unlock();
-
-	return minor;
-}
-
 #ifdef CONFIG_SMP
 /*
  * drbd_calc_cpu_mask() - Generate CPU masks, spread over all CPUs
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 5d65c9754d83..720fc30e2ecc 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -25,7 +25,7 @@
 #include "drbd_protocol.h"
 #include "drbd_req.h"
 #include "drbd_state_change.h"
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/drbd_limits.h>
 #include <linux/kthread.h>
 
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 499c110465e3..65b96c083b3c 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -71,7 +71,7 @@
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_ioctl.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #define DRIVER_NAME	"pktcdvd"
 
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index a6c8e5cc6051..6ba2c1dd1d87 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -2380,10 +2380,19 @@ static int ublk_ctrl_add_dev(struct io_uring_cmd *cmd)
 	 * TODO: provide forward progress for RECOVERY handler, so that
 	 * unprivileged device can benefit from it
 	 */
-	if (info.flags & UBLK_F_UNPRIVILEGED_DEV)
+	if (info.flags & UBLK_F_UNPRIVILEGED_DEV) {
 		info.flags &= ~(UBLK_F_USER_RECOVERY_REISSUE |
 				UBLK_F_USER_RECOVERY);
 
+		/*
+		 * For USER_COPY, we depends on userspace to fill request
+		 * buffer by pwrite() to ublk char device, which can't be
+		 * used for unprivileged device
+		 */
+		if (info.flags & UBLK_F_USER_COPY)
+			return -EINVAL;
+	}
+
 	/* the created device is always owned by current user */
 	ublk_store_owner_uid_gid(&info.owner_uid, &info.owner_gid);