4.19.261-rc1 review

This is the start of the stable review cycle for the 4.19.261 release. There are 25 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Wed, 05 Oct 2022 07:07:06 +0000. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.261-rc1.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>

    Linux 4.19.261-rc1

Florian Fainelli <[email protected]>
clk: iproc: Do not rely on node name for correct PLL setup

Wang Yufen <[email protected]>
selftests: Fix the if conditions of in test_extra_filter()

Michael Kelley <[email protected]>
nvme: Fix IOC_PR_CLEAR and IOC_PR_RELEASE ioctls for nvme devices

Chaitanya Kulkarni <[email protected]>
nvme: add new line after variable declatation

Peilin Ye <[email protected]>
usbnet: Fix memory leak in usbnet_disconnect()

Yang Yingliang <[email protected]>
Input: melfas_mip4 - fix return value check in mip4_probe()

Brian Norris <[email protected]>
Revert "drm: bridge: analogix/dp: add panel prepare/unprepare in suspend/resume time"

Samuel Holland <[email protected]>
soc: sunxi: sram: Fix debugfs info for A64 SRAM C

Samuel Holland <[email protected]>
soc: sunxi: sram: Fix probe function ordering issues

Samuel Holland <[email protected]>
soc: sunxi: sram: Prevent the driver from being unbound

Samuel Holland <[email protected]>
soc: sunxi: sram: Actually claim SRAM regions

Tyler Hicks <[email protected]>
ima: Free the entire rule if it fails to parse

Tyler Hicks <[email protected]>
ima: Free the entire rule when deleting a list of rules

Tyler Hicks <[email protected]>
ima: Have the LSM free its audit rule

Alistair Popple <[email protected]>
mm/migrate_device.c: flush TLB while holding PTL

Maurizio Lombardi <[email protected]>
mm: prevent page_frag_alloc() from corrupting the memory

Mel Gorman <[email protected]>
mm/page_alloc: fix race condition between build_all_zonelists and page allocation

Sergei Antonov <[email protected]>
mmc: moxart: fix 4-bit bus width and remove 8-bit bus width

Niklas Cassel <[email protected]>
libata: add ATA_HORKAGE_NOLPM for Pioneer BDR-207M and BDR-205

ChenXiaoSong <[email protected]>
ntfs: fix BUG_ON in ntfs_lookup_inode_by_name()

Linus Walleij <[email protected]>
ARM: dts: integrator: Tag PCI host with device_type

Frank Wunderlich <[email protected]>
net: usb: qmi_wwan: Add new usb-id for Dell branded EM7455

Hongling Zeng <[email protected]>
uas: ignore UAS for Thinkplus chips

Hongling Zeng <[email protected]>
usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS

Hongling Zeng <[email protected]>
uas: add no-uas quirk for Hiksemi usb_disk

-------------

Diffstat:

 Makefile                                           |  4 +-
 arch/arm/boot/dts/integratorap.dts                 |  1 +
 drivers/ata/libata-core.c                          |  4 ++
 drivers/clk/bcm/clk-iproc-pll.c                    | 12 ++--
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 13 -----
 drivers/input/touchscreen/melfas_mip4.c            |  2 +-
 drivers/mmc/host/moxart-mmc.c                      | 17 +-----
 drivers/net/usb/qmi_wwan.c                         |  1 +
 drivers/net/usb/usbnet.c                           |  7 ++-
 drivers/nvme/host/core.c                           |  9 ++-
 drivers/soc/sunxi/sunxi_sram.c                     | 23 ++++----
 drivers/usb/storage/unusual_uas.h                  | 21 +++++++
 fs/ntfs/super.c                                    |  3 +-
 mm/migrate.c                                       |  5 +-
 mm/page_alloc.c                                    | 65 ++++++++++++++++++----
 security/integrity/ima/ima.h                       |  5 ++
 security/integrity/ima/ima_policy.c                | 24 ++++++--
 tools/testing/selftests/net/reuseport_bpf.c        |  2 +-
 18 files changed, 147 insertions(+), 71 deletions(-)

From: Hongling Zeng <[email protected]>

commit a625a4b8806cc1e928b7dd2cca1fee709c9de56e upstream.

The UAS mode of Hiksemi is reported to fail to work on several platforms with the following error message, then after re-connecting the device will be offlined and not working at all.

[  592.518442][ 2] sd 8:0:0:0: [sda] tag#17 uas_eh_abort_handler 0 uas-tag 18
                   inflight: CMD
[  592.527575][ 2] sd 8:0:0:0: [sda] tag#17 CDB: Write(10) 2a 00 03 6f 88 00 00
                   04 00 00
[  592.536330][ 2] sd 8:0:0:0: [sda] tag#0 uas_eh_abort_handler 0 uas-tag 1
                   inflight: CMD
[  592.545266][ 2] sd 8:0:0:0: [sda] tag#0 CDB: Write(10) 2a 00 07 44 1a 88 00
                   00 08 00

These disks have a broken uas implementation, the tag field of the status iu-s is not set properly,so we need to fall-back to usb-storage.

---
 drivers/usb/storage/unusual_uas.h |    7 +++++++
 1 file changed, 7 insertions(+)

@@ -52,6 +52,13 @@ UNUSUAL_DEV(0x059f, 0x1061, 0x0000, 0x99
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_REPORT_OPCODES | US_FL_NO_SAME),
 
+/* Reported-by: Hongling Zeng <[email protected]> */
+UNUSUAL_DEV(0x090c, 0x2000, 0x0000, 0x9999,
+		"Hiksemi",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_IGNORE_UAS),
+
 /*
  * Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
  * commands in UAS mode.  Observed with the 1.28 firmware; are there others?

From: Hongling Zeng <[email protected]>

commit e00b488e813f0f1ad9f778e771b7cd2fe2877023 upstream.

The UAS mode of Hiksemi USB_HDD is reported to fail to work on several platforms with the following error message, then after re-connecting the device will be offlined and not working at all.

[  592.518442][ 2] sd 8:0:0:0: [sda] tag#17 uas_eh_abort_handler 0 uas-tag 18
                   inflight: CMD
[  592.527575][ 2] sd 8:0:0:0: [sda] tag#17 CDB: Write(10) 2a 00 03 6f 88 00 00
                   04 00 00
[  592.536330][ 2] sd 8:0:0:0: [sda] tag#0 uas_eh_abort_handler 0 uas-tag 1
                   inflight: CMD
[  592.545266][ 2] sd 8:0:0:0: [sda] tag#0 CDB: Write(10) 2a 00 07 44 1a 88 00
                   00 08 00

These disks have a broken uas implementation, the tag field of the status iu-s is not set properly,so we need to fall-back to usb-storage.

---
 drivers/usb/storage/unusual_uas.h |    7 +++++++
 1 file changed, 7 insertions(+)

@@ -83,6 +83,13 @@ UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x99
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_REPORT_LUNS),
 
+/* Reported-by: Hongling Zeng <[email protected]> */
+UNUSUAL_DEV(0x0bda, 0x9210, 0x0000, 0x9999,
+		"Hiksemi",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_IGNORE_UAS),
+
 /* Reported-by: Benjamin Tissoires <[email protected]> */
 UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999,
 		"Initio Corporation",

From: Hongling Zeng <[email protected]>

commit 0fb9703a3eade0bb84c635705d9c795345e55053 upstream.

The UAS mode of Thinkplus(0x17ef, 0x3899) is reported to influence performance and trigger kernel panic on several platforms with the following error message:

[   39.702439] xhci_hcd 0000:0c:00.3: ERROR Transfer event for disabled
               endpoint or incorrect stream ring
[   39.702442] xhci_hcd 0000:0c:00.3: @000000026c61f810 00000000 00000000
               1b000000 05038000

[  720.545894][13] Workqueue: usb_hub_wq hub_event
[  720.550971][13]  ffff88026c143c38 0000000000016300 ffff8802755bb900 ffff880
                    26cb80000
[  720.559673][13]  ffff88026c144000 ffff88026ca88100 0000000000000000 ffff880
                    26cb80000
[  720.568374][13]  ffff88026cb80000 ffff88026c143c50 ffffffff8186ae25 ffff880
                    26ca880f8
[  720.577076][13] Call Trace:
[  720.580201][13]  [<ffffffff8186ae25>] schedule+0x35/0x80
[  720.586137][13]  [<ffffffff8186b0ce>] schedule_preempt_disabled+0xe/0x10
[  720.593623][13]  [<ffffffff8186cb94>] __mutex_lock_slowpath+0x164/0x1e0
[  720.601012][13]  [<ffffffff8186cc3f>] mutex_lock+0x2f/0x40
[  720.607141][13]  [<ffffffff8162b8e9>] usb_disconnect+0x59/0x290

Falling back to USB mass storage can solve this problem, so ignore UAS function of this chip.

---
 drivers/usb/storage/unusual_uas.h |    7 +++++++
 1 file changed, 7 insertions(+)

@@ -132,6 +132,13 @@ UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x99
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_NO_ATA_1X),
 
+/* Reported-by: Hongling Zeng <[email protected]> */
+UNUSUAL_DEV(0x17ef, 0x3899, 0x0000, 0x9999,
+		"Thinkplus",
+		"External HDD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_IGNORE_UAS),
+
 /* Reported-by: Hans de Goede <[email protected]> */
 UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
 		"VIA",

From: Frank Wunderlich <[email protected]>

commit 797666cd5af041ffb66642fff62f7389f08566a2 upstream.

Add support for Dell 5811e (EM7455) with USB-id 0x413c:0x81c2.

---
 drivers/net/usb/qmi_wwan.c |    1 +
 1 file changed, 1 insertion(+)

@@ -1357,6 +1357,7 @@ static const struct usb_device_id produc
 	{QMI_FIXED_INTF(0x413c, 0x81b3, 8)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
 	{QMI_FIXED_INTF(0x413c, 0x81b6, 8)},	/* Dell Wireless 5811e */
 	{QMI_FIXED_INTF(0x413c, 0x81b6, 10)},	/* Dell Wireless 5811e */
+	{QMI_FIXED_INTF(0x413c, 0x81c2, 8)},	/* Dell Wireless 5811e */
 	{QMI_FIXED_INTF(0x413c, 0x81cc, 8)},	/* Dell Wireless 5816e */
 	{QMI_FIXED_INTF(0x413c, 0x81d7, 0)},	/* Dell Wireless 5821e */
 	{QMI_FIXED_INTF(0x413c, 0x81d7, 1)},	/* Dell Wireless 5821e preproduction config */

From: Linus Walleij <[email protected]>

commit 4952aa696a9f221c5e34e5961e02fca41ef67ad6 upstream.

The DT parser is dependent on the PCI device being tagged as device_type = "pci" in order to parse memory ranges properly. Fix this up.

---
 arch/arm/boot/dts/integratorap.dts |    1 +
 1 file changed, 1 insertion(+)

@@ -155,6 +155,7 @@
 
 	pci: pciv3@62000000 {
 		compatible = "arm,integrator-ap-pci", "v3,v360epc-pci";
+		device_type = "pci";
 		#interrupt-cells = <1>;
 		#size-cells = <2>;
 		#address-cells = <3>;

From: ChenXiaoSong <[email protected]>

commit 1b513f613731e2afc05550e8070d79fac80c661e upstream.

Syzkaller reported BUG_ON as follows:

------------[ cut here ]------------
kernel BUG at fs/ntfs/dir.c:86!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 3 PID: 758 Comm: a.out Not tainted 5.19.0-next-20220808 #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014
RIP: 0010:ntfs_lookup_inode_by_name+0xd11/0x2d10
Code: ff e9 b9 01 00 00 e8 1e fe d6 fe 48 8b 7d 98 49 8d 5d 07 e8 91 85 29 ff 48 c7 45 98 00 00 00 00 e9 5a fb ff ff e8 ff fd d6 fe <0f> 0b e8 f8 fd d6 fe 0f 0b e8 f1 fd d6 fe 48 8b b5 50 ff ff ff 4c
RSP: 0018:ffff888079607978 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000008000 RCX: 0000000000000000
RDX: ffff88807cf10000 RSI: ffffffff82a4a081 RDI: 0000000000000003
RBP: ffff888079607a70 R08: 0000000000000001 R09: ffff88807a6d01d7
R10: ffffed100f4da03a R11: 0000000000000000 R12: ffff88800f0fb110
R13: ffff88800f0ee000 R14: ffff88800f0fb000 R15: 0000000000000001
FS:  00007f33b63c7540(0000) GS:ffff888108580000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33b635c090 CR3: 000000000f39e005 CR4: 0000000000770ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 <TASK>
 load_system_files+0x1f7f/0x3620
 ntfs_fill_super+0xa01/0x1be0
 mount_bdev+0x36a/0x440
 ntfs_mount+0x3a/0x50
 legacy_get_tree+0xfb/0x210
 vfs_get_tree+0x8f/0x2f0
 do_new_mount+0x30a/0x760
 path_mount+0x4de/0x1880
 __x64_sys_mount+0x2b3/0x340
 do_syscall_64+0x38/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f33b62ff9ea
Code: 48 8b 0d a9 f4 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 76 f4 0b 00 f7 d8 64 89 01 48
RSP: 002b:00007ffd0c471aa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f33b62ff9ea
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd0c471be0
RBP: 00007ffd0c471c60 R08: 00007ffd0c471ae0 R09: 00007ffd0c471c24
R10: 0000000000000000 R11: 0000000000000202 R12: 000055bac5afc160
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---

Fix this by adding sanity check on extended system files' directory inode to ensure that it is directory, just like ntfs_extend_init() when mounting ntfs3.

---
 fs/ntfs/super.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -2106,7 +2106,8 @@ get_ctx_vol_failed:
 	// TODO: Initialize security.
 	/* Get the extended system files' directory inode. */
 	vol->extend_ino = ntfs_iget(sb, FILE_Extend);
-	if (IS_ERR(vol->extend_ino) || is_bad_inode(vol->extend_ino)) {
+	if (IS_ERR(vol->extend_ino) || is_bad_inode(vol->extend_ino) ||
+	    !S_ISDIR(vol->extend_ino->i_mode)) {
 		if (!IS_ERR(vol->extend_ino))
 			iput(vol->extend_ino);
 		ntfs_error(sb, "Failed to load $Extend.");

From: Niklas Cassel <[email protected]>

commit ea08aec7e77bfd6599489ec430f9f859ab84575a upstream.

Commit 1527f69204fe ("ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile") added an explicit entry for AMD Green Sardine AHCI controller using the board_ahci_mobile configuration (this configuration has later been renamed to board_ahci_low_power).

The board_ahci_low_power configuration enables support for low power modes.

This explicit entry takes precedence over the generic AHCI controller entry, which does not enable support for low power modes.

Therefore, when commit 1527f69204fe ("ata: ahci: Add Green Sardine vendor ID as board_ahci_mobile") was backported to stable kernels, it make some Pioneer optical drives, which was working perfectly fine before the commit was backported, stop working.

The real problem is that the Pioneer optical drives do not handle low power modes correctly. If these optical drives would have been tested on another AHCI controller using the board_ahci_low_power configuration, this issue would have been detected earlier.

Unfortunately, the board_ahci_low_power configuration is only used in less than 15% of the total AHCI controller entries, so many devices have never been tested with an AHCI controller with low power modes.

---
 drivers/ata/libata-core.c |    4 ++++
 1 file changed, 4 insertions(+)

@@ -4560,6 +4560,10 @@ static const struct ata_blacklist_entry
 	{ "PIONEER DVD-RW  DVR-212D",	NULL,	ATA_HORKAGE_NOSETXFER },
 	{ "PIONEER DVD-RW  DVR-216D",	NULL,	ATA_HORKAGE_NOSETXFER },
 
+	/* These specific Pioneer models have LPM issues */
+	{ "PIONEER BD-RW   BDR-207M",	NULL,	ATA_HORKAGE_NOLPM },
+	{ "PIONEER BD-RW   BDR-205",	NULL,	ATA_HORKAGE_NOLPM },
+
 	/* Crucial BX100 SSD 500GB has broken LPM support */
 	{ "CT500BX100SSD1",		NULL,	ATA_HORKAGE_NOLPM },
 

From: Sergei Antonov <[email protected]>

commit 35ca91d1338ae158f6dcc0de5d1e86197924ffda upstream.

According to the datasheet [1] at page 377, 4-bit bus width is turned on by bit 2 of the Bus Width Register. Thus the current bitmask is wrong: define BUS_WIDTH_4 BIT(1)

BIT(1) does not work but BIT(2) works. This has been verified on real MOXA hardware with FTSDC010 controller revision 1_6_0.

The corrected value of BUS_WIDTH_4 mask collides with: define BUS_WIDTH_8 BIT(2). Additionally, 8-bit bus width mode isn't supported according to the datasheet, so let's remove the corresponding code.

[1]
https://bitbucket.org/Kasreyn/mkrom-uc7112lx/src/master/documents/FIC8120_DS_v1.2.pdf

---
 drivers/mmc/host/moxart-mmc.c |   17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

@@ -111,8 +111,8 @@
 #define CLK_DIV_MASK		0x7f
 
 /* REG_BUS_WIDTH */
-#define BUS_WIDTH_8		BIT(2)
-#define BUS_WIDTH_4		BIT(1)
+#define BUS_WIDTH_4_SUPPORT	BIT(3)
+#define BUS_WIDTH_4		BIT(2)
 #define BUS_WIDTH_1		BIT(0)
 
 #define MMC_VDD_360		23

@@ -527,9 +527,6 @@ static void moxart_set_ios(struct mmc_ho
 	case MMC_BUS_WIDTH_4:
 		writel(BUS_WIDTH_4, host->base + REG_BUS_WIDTH);
 		break;
-	case MMC_BUS_WIDTH_8:
-		writel(BUS_WIDTH_8, host->base + REG_BUS_WIDTH);
-		break;
 	default:
 		writel(BUS_WIDTH_1, host->base + REG_BUS_WIDTH);
 		break;

@@ -646,16 +643,8 @@ static int moxart_probe(struct platform_
 		dmaengine_slave_config(host->dma_chan_rx, &cfg);
 	}
 
-	switch ((readl(host->base + REG_BUS_WIDTH) >> 3) & 3) {
-	case 1:
+	if (readl(host->base + REG_BUS_WIDTH) & BUS_WIDTH_4_SUPPORT)
 		mmc->caps |= MMC_CAP_4_BIT_DATA;
-		break;
-	case 2:
-		mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
-		break;
-	default:
-		break;
-	}
 
 	writel(0, host->base + REG_INTERRUPT_MASK);
 

From: Mel Gorman <[email protected]>

commit 3d36424b3b5850bd92f3e89b953a430d7cfc88ef upstream.

Patrick Daly reported the following problem;

	NODE_DATA(nid)->node_zonelists[ZONELIST_FALLBACK] - before offline operation
	[0] - ZONE_MOVABLE
	[1] - ZONE_NORMAL
	[2] - NULL

	For a GFP_KERNEL allocation, alloc_pages_slowpath() will save the
	offset of ZONE_NORMAL in ac->preferred_zoneref. If a concurrent
	memory_offline operation removes the last page from ZONE_MOVABLE,
	build_all_zonelists() & build_zonerefs_node() will update
	node_zonelists as shown below. Only populated zones are added.

	NODE_DATA(nid)->node_zonelists[ZONELIST_FALLBACK] - after offline operation
	[0] - ZONE_NORMAL
	[1] - NULL
	[2] - NULL

The race is simple -- page allocation could be in progress when a memory hot-remove operation triggers a zonelist rebuild that removes zones. The allocation request will still have a valid ac->preferred_zoneref that is now pointing to NULL and triggers an OOM kill.

This problem probably always existed but may be slightly easier to trigger due to 6aa303defb74 ("mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator") which distinguishes between zones that are completely unpopulated versus zones that have valid pages not managed by the buddy allocator (e.g. reserved, memblock, ballooning etc). Memory hotplug had multiple stages with timing considerations around managed/present page updates, the zonelist rebuild and the zone span updates. As David Hildenbrand puts it

memory offlining adjusts managed+present pages of the zone essentially in one go. If after the adjustments, the zone is no longer populated (present==0), we rebuild the zone lists.

Once that's done, we try shrinking the zone (start+spanned pages) -- which results in zone_start_pfn == 0 if there are no more pages. That happens *after* rebuilding the zonelists via remove_pfn_range_from_zone().

The only requirement to fix the race is that a page allocation request identifies when a zonelist rebuild has happened since the allocation request started and no page has yet been allocated. Use a seqlock_t to track zonelist updates with a lockless read-side of the zonelist and protecting the rebuild and update of the counter with a spinlock.

---
 mm/page_alloc.c |   53 +++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 43 insertions(+), 10 deletions(-)

@@ -3779,6 +3779,30 @@ void fs_reclaim_release(gfp_t gfp_mask)
 EXPORT_SYMBOL_GPL(fs_reclaim_release);
 #endif
 
+/*
+ * Zonelists may change due to hotplug during allocation. Detect when zonelists
+ * have been rebuilt so allocation retries. Reader side does not lock and
+ * retries the allocation if zonelist changes. Writer side is protected by the
+ * embedded spin_lock.
+ */
+static DEFINE_SEQLOCK(zonelist_update_seq);
+
+static unsigned int zonelist_iter_begin(void)
+{
+	if (IS_ENABLED(CONFIG_MEMORY_HOTREMOVE))
+		return read_seqbegin(&zonelist_update_seq);
+
+	return 0;
+}
+
+static unsigned int check_retry_zonelist(unsigned int seq)
+{
+	if (IS_ENABLED(CONFIG_MEMORY_HOTREMOVE))
+		return read_seqretry(&zonelist_update_seq, seq);
+
+	return seq;
+}
+
 /* Perform direct synchronous page reclaim */
 static int
 __perform_reclaim(gfp_t gfp_mask, unsigned int order,

@@ -4084,6 +4108,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, u
 	int compaction_retries;
 	int no_progress_loops;
 	unsigned int cpuset_mems_cookie;
+	unsigned int zonelist_iter_cookie;
 	int reserve_flags;
 
 	/*

@@ -4094,11 +4119,12 @@ __alloc_pages_slowpath(gfp_t gfp_mask, u
 				(__GFP_ATOMIC|__GFP_DIRECT_RECLAIM)))
 		gfp_mask &= ~__GFP_ATOMIC;
 
-retry_cpuset:
+restart:
 	compaction_retries = 0;
 	no_progress_loops = 0;
 	compact_priority = DEF_COMPACT_PRIORITY;
 	cpuset_mems_cookie = read_mems_allowed_begin();
+	zonelist_iter_cookie = zonelist_iter_begin();
 
 	/*
 	 * The fast path uses conservative alloc_flags to succeed only until

@@ -4247,9 +4273,13 @@ retry:
 		goto retry;
 
 
-	/* Deal with possible cpuset update races before we start OOM killing */
-	if (check_retry_cpuset(cpuset_mems_cookie, ac))
-		goto retry_cpuset;
+	/*
+	 * Deal with possible cpuset update races or zonelist updates to avoid
+	 * a unnecessary OOM kill.
+	 */
+	if (check_retry_cpuset(cpuset_mems_cookie, ac) ||
+	    check_retry_zonelist(zonelist_iter_cookie))
+		goto restart;
 
 	/* Reclaim has failed us, start killing things */
 	page = __alloc_pages_may_oom(gfp_mask, order, ac, &did_some_progress);

@@ -4269,9 +4299,13 @@ retry:
 	}
 
 nopage:
-	/* Deal with possible cpuset update races before we fail */
-	if (check_retry_cpuset(cpuset_mems_cookie, ac))
-		goto retry_cpuset;
+	/*
+	 * Deal with possible cpuset update races or zonelist updates to avoid
+	 * a unnecessary OOM kill.
+	 */
+	if (check_retry_cpuset(cpuset_mems_cookie, ac) ||
+	    check_retry_zonelist(zonelist_iter_cookie))
+		goto restart;
 
 	/*
 	 * Make sure that __GFP_NOFAIL request doesn't leak out and make sure

@@ -5379,9 +5413,8 @@ static void __build_all_zonelists(void *
 	int nid;
 	int __maybe_unused cpu;
 	pg_data_t *self = data;
-	static DEFINE_SPINLOCK(lock);
 
-	spin_lock(&lock);
+	write_seqlock(&zonelist_update_seq);
 
 #ifdef CONFIG_NUMA
 	memset(node_load, 0, sizeof(node_load));

@@ -5414,7 +5447,7 @@ static void __build_all_zonelists(void *
 #endif
 	}
 
-	spin_unlock(&lock);
+	write_sequnlock(&zonelist_update_seq);
 }
 
 static noinline void __init

From: Maurizio Lombardi <[email protected]>

commit dac22531bbd4af2426c4e29e05594415ccfa365d upstream.

A number of drivers call page_frag_alloc() with a fragment's size > PAGE_SIZE.

In low memory conditions, __page_frag_cache_refill() may fail the order 3 cache allocation and fall back to order 0; In this case, the cache will be smaller than the fragment, causing memory corruptions.

Prevent this from happening by checking if the newly allocated cache is large enough for the fragment; if not, the allocation will fail and page_frag_alloc() will return NULL.

---
 mm/page_alloc.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

@@ -4603,6 +4603,18 @@ refill:
 		/* reset page count bias and offset to start of new frag */
 		nc->pagecnt_bias = PAGE_FRAG_CACHE_MAX_SIZE + 1;
 		offset = size - fragsz;
+		if (unlikely(offset < 0)) {
+			/*
+			 * The caller is trying to allocate a fragment
+			 * with fragsz > PAGE_SIZE but the cache isn't big
+			 * enough to satisfy the request, this may
+			 * happen in low memory conditions.
+			 * We don't release the cache page because
+			 * it could make memory pressure worse
+			 * so we simply return NULL here.
+			 */
+			return NULL;
+		}
 	}
 
 	nc->pagecnt_bias--;

From: Alistair Popple <[email protected]>

commit 60bae73708963de4a17231077285bd9ff2f41c44 upstream.

When clearing a PTE the TLB should be flushed whilst still holding the PTL to avoid a potential race with madvise/munmap/etc. For example consider the following sequence:

CPU0 CPU1
---- ----

migrate_vma_collect_pmd()
pte_unmap_unlock()
madvise(MADV_DONTNEED)
-> zap_pte_range() pte_offset_map_lock()
[ PTE not present, TLB not flushed ] pte_unmap_unlock()
[ page is still accessible via stale TLB ]
flush_tlb_range()

In this case the page may still be accessed via the stale TLB entry after madvise returns. Fix this by flushing the TLB while holding the PTL.

---
 mm/migrate.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

@@ -2359,13 +2359,14 @@ next:
 		migrate->dst[migrate->npages] = 0;
 		migrate->src[migrate->npages++] = mpfn;
 	}
-	arch_leave_lazy_mmu_mode();
-	pte_unmap_unlock(ptep - 1, ptl);
 
 	/* Only flush the TLB if we actually modified any entries */
 	if (unmapped)
 		flush_tlb_range(walk->vma, start, end);
 
+	arch_leave_lazy_mmu_mode();
+	pte_unmap_unlock(ptep - 1, ptl);
+
 	return 0;
 }
 

From: Tyler Hicks <[email protected]>

commit 9ff8a616dfab96a4fa0ddd36190907dc68886d9b upstream.

Ask the LSM to free its audit rule rather than directly calling kfree(). Both AppArmor and SELinux do additional work in their audit_rule_free() hooks. Fix memory leaks by allowing the LSMs to perform necessary work.

---
 security/integrity/ima/ima.h        |    5 +++++
 security/integrity/ima/ima_policy.c |    4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

@@ -298,6 +298,7 @@ static inline int ima_read_xattr(struct
 #ifdef CONFIG_IMA_LSM_RULES
 
 #define security_filter_rule_init security_audit_rule_init
+#define security_filter_rule_free security_audit_rule_free
 #define security_filter_rule_match security_audit_rule_match
 
 #else

@@ -308,6 +309,10 @@ static inline int security_filter_rule_i
 	return -EINVAL;
 }
 
+static inline void security_filter_rule_free(void *lsmrule)
+{
+}
+
 static inline int security_filter_rule_match(u32 secid, u32 field, u32 op,
 					     void *lsmrule,
 					     struct audit_context *actx)

@@ -1044,8 +1044,10 @@ void ima_delete_rules(void)
 
 	temp_ima_appraise = 0;
 	list_for_each_entry_safe(entry, tmp, &ima_temp_rules, list) {
-		for (i = 0; i < MAX_LSM_RULES; i++)
+		for (i = 0; i < MAX_LSM_RULES; i++) {
+			security_filter_rule_free(entry->lsm[i].rule);
 			kfree(entry->lsm[i].args_p);
+		}
 
 		list_del(&entry->list);
 		kfree(entry);

From: Tyler Hicks <[email protected]>

commit 465aee77aae857b5fcde56ee192b33dc369fba04 upstream.

Create a function, ima_free_rule(), to free all memory associated with an ima_rule_entry. Use the new function to fix memory leaks of allocated ima_rule_entry members, such as .fsname and .keyrings, when deleting a list of rules.

Make the existing ima_lsm_free_rule() function specific to the LSM audit rule array of an ima_rule_entry and require that callers make an additional call to kfree to free the ima_rule_entry itself.

This fixes a memory leak seen when loading by a valid rule that contains an additional piece of allocated memory, such as an fsname, followed by an invalid rule that triggers a policy load failure:

 # echo -e "dont_measure fsname=securityfs\nbad syntax" > \
    /sys/kernel/security/ima/policy
 -bash: echo: write error: Invalid argument
 # echo scan > /sys/kernel/debug/kmemleak
 # cat /sys/kernel/debug/kmemleak
 unreferenced object 0xffff9bab67ca12c0 (size 16):
   comm "bash", pid 684, jiffies 4295212803 (age 252.344s)
   hex dump (first 16 bytes):
     73 65 63 75 72 69 74 79 66 73 00 6b 6b 6b 6b a5  securityfs.kkkk.
   backtrace:
     [<00000000adc80b1b>] kstrdup+0x2e/0x60
     [<00000000d504cb0d>] ima_parse_add_rule+0x7d4/0x1020
     [<00000000444825ac>] ima_write_policy+0xab/0x1d0
     [<000000002b7f0d6c>] vfs_write+0xde/0x1d0
     [<0000000096feedcf>] ksys_write+0x68/0xe0
     [<0000000052b544a2>] do_syscall_64+0x56/0xa0
     [<000000007ead1ba7>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

---
 security/integrity/ima/ima_policy.c |   23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

@@ -241,6 +241,21 @@ static int __init default_appraise_polic
 }
 __setup("ima_appraise_tcb", default_appraise_policy_setup);
 
+static void ima_free_rule(struct ima_rule_entry *entry)
+{
+	int i;
+
+	if (!entry)
+		return;
+
+	kfree(entry->fsname);
+	for (i = 0; i < MAX_LSM_RULES; i++) {
+		security_filter_rule_free(entry->lsm[i].rule);
+		kfree(entry->lsm[i].args_p);
+	}
+	kfree(entry);
+}
+
 /*
  * The LSM policy can be reloaded, leaving the IMA LSM based rules referring
  * to the old, stale LSM policy.  Update the IMA LSM based rules to reflect

@@ -1040,17 +1055,11 @@ ssize_t ima_parse_add_rule(char *rule)
 void ima_delete_rules(void)
 {
 	struct ima_rule_entry *entry, *tmp;
-	int i;
 
 	temp_ima_appraise = 0;
 	list_for_each_entry_safe(entry, tmp, &ima_temp_rules, list) {
-		for (i = 0; i < MAX_LSM_RULES; i++) {
-			security_filter_rule_free(entry->lsm[i].rule);
-			kfree(entry->lsm[i].args_p);
-		}
-
 		list_del(&entry->list);
-		kfree(entry);
+		ima_free_rule(entry);
 	}
 }
 

From: Tyler Hicks <[email protected]>

commit 2bdd737c5687d6dec30e205953146ede8a87dbdd upstream.

Use ima_free_rule() to fix memory leaks of allocated ima_rule_entry members, such as .fsname and .keyrings, when an error is encountered during rule parsing.

Set the args_p pointer to NULL after freeing it in the error path of ima_lsm_rule_init() so that it isn't freed twice.

This fixes a memory leak seen when loading an rule that contains an additional piece of allocated memory, such as an fsname, followed by an invalid conditional:

 # echo "measure fsname=tmpfs bad=cond" > /sys/kernel/security/ima/policy
 -bash: echo: write error: Invalid argument
 # echo scan > /sys/kernel/debug/kmemleak
 # cat /sys/kernel/debug/kmemleak
 unreferenced object 0xffff98e7e4ece6c0 (size 8):
   comm "bash", pid 672, jiffies 4294791843 (age 21.855s)
   hex dump (first 8 bytes):
     74 6d 70 66 73 00 6b a5                          tmpfs.k.
   backtrace:
     [<00000000abab7413>] kstrdup+0x2e/0x60
     [<00000000f11ede32>] ima_parse_add_rule+0x7d4/0x1020
     [<00000000f883dd7a>] ima_write_policy+0xab/0x1d0
     [<00000000b17cf753>] vfs_write+0xde/0x1d0
     [<00000000b8ddfdea>] ksys_write+0x68/0xe0
     [<00000000b8e21e87>] do_syscall_64+0x56/0xa0
     [<0000000089ea7b98>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

---
 security/integrity/ima/ima_policy.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -662,6 +662,7 @@ static int ima_lsm_rule_init(struct ima_
 					   &entry->lsm[lsm_rule].rule);
 	if (!entry->lsm[lsm_rule].rule) {
 		kfree(entry->lsm[lsm_rule].args_p);
+		entry->lsm[lsm_rule].args_p = NULL;
 		return -EINVAL;
 	}
 

@@ -1034,7 +1035,7 @@ ssize_t ima_parse_add_rule(char *rule)
 
 	result = ima_parse_rule(p, entry);
 	if (result) {
-		kfree(entry);
+		ima_free_rule(entry);
 		integrity_audit_msg(AUDIT_INTEGRITY_STATUS, NULL,
 				    NULL, op, "invalid-policy", result,
 				    audit_info);

From: Samuel Holland <[email protected]>

[ Upstream commit fd362baad2e659ef0fb5652f023a606b248f1781 ]

sunxi_sram_claim() checks the sram_desc->claimed flag before updating the register, with the intent that only one device can claim a region. However, this was ineffective because the flag was never set.

---
 drivers/soc/sunxi/sunxi_sram.c | 1 +
 1 file changed, 1 insertion(+)

index b4b0f3480bd3..51148704af49 100644
@@ -264,6 +264,7 @@ int sunxi_sram_claim(struct device *dev)
 	writel(val | ((device << sram_data->offset) & mask),
 	       base + sram_data->reg);
 
+	sram_desc->claimed = true;
 	spin_unlock(&sram_lock);
 
 	return 0;

2.35.1

From: Samuel Holland <[email protected]>

[ Upstream commit 90e10a1fcd9b24b4ba8c0d35136127473dcd829e ]

This driver exports a regmap tied to the platform device (as opposed to a syscon, which exports a regmap tied to the OF node). Because of this, the driver can never be unbound, as that would destroy the regmap. Use builtin_platform_driver_probe() to enforce this limitation.

---
 drivers/soc/sunxi/sunxi_sram.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

index 51148704af49..17ac818622fe 100644
@@ -325,7 +325,7 @@ static struct regmap_config sunxi_sram_emac_clock_regmap = {
 	.writeable_reg	= sunxi_sram_regmap_accessible_reg,
 };
 
-static int sunxi_sram_probe(struct platform_device *pdev)
+static int __init sunxi_sram_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	struct dentry *d;

@@ -399,9 +399,8 @@ static struct platform_driver sunxi_sram_driver = {
 		.name		= "sunxi-sram",
 		.of_match_table	= sunxi_sram_dt_match,
 	},
-	.probe	= sunxi_sram_probe,
 };
-module_platform_driver(sunxi_sram_driver);
+builtin_platform_driver_probe(sunxi_sram_driver, sunxi_sram_probe);
 
 MODULE_AUTHOR("Maxime Ripard <[email protected]>");
 MODULE_DESCRIPTION("Allwinner sunXi SRAM Controller Driver");

2.35.1

From: Samuel Holland <[email protected]>

[ Upstream commit 49fad91a7b8941979c3e9a35f9894ac45bc5d3d6 ]

Errors from debugfs are intended to be non-fatal, and should not prevent the driver from probing.

Since debugfs file creation is treated as infallible, move it below the parts of the probe function that can fail. This prevents an error elsewhere in the probe function from causing the file to leak. Do the same for the call to of_platform_populate().

Finally, checkpatch suggests an octal literal for the file permissions.

---
 drivers/soc/sunxi/sunxi_sram.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

index 17ac818622fe..98a4d4548a23 100644
@@ -328,9 +328,9 @@ static struct regmap_config sunxi_sram_emac_clock_regmap = {
 static int __init sunxi_sram_probe(struct platform_device *pdev)
 {
 	struct resource *res;
-	struct dentry *d;
 	struct regmap *emac_clock;
 	const struct sunxi_sramc_variant *variant;
+	struct device *dev = &pdev->dev;
 
 	sram_dev = &pdev->dev;
 

@@ -343,13 +343,6 @@ static int __init sunxi_sram_probe(struct platform_device *pdev)
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
-	of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
-
-	d = debugfs_create_file("sram", S_IRUGO, NULL, NULL,
-				&sunxi_sram_fops);
-	if (!d)
-		return -ENOMEM;
-
 	if (variant->has_emac_clock) {
 		emac_clock = devm_regmap_init_mmio(&pdev->dev, base,
 						   &sunxi_sram_emac_clock_regmap);

@@ -358,6 +351,10 @@ static int __init sunxi_sram_probe(struct platform_device *pdev)
 			return PTR_ERR(emac_clock);
 	}
 
+	of_platform_populate(dev->of_node, NULL, NULL, dev);
+
+	debugfs_create_file("sram", 0444, NULL, NULL, &sunxi_sram_fops);
+
 	return 0;
 }
 

2.35.1

From: Samuel Holland <[email protected]>

[ Upstream commit e3c95edb1bd8b9c2cb0caa6ae382fc8080f6a0ed ]

The labels were backward with respect to the register values. The SRAM is mapped to the CPU when the register value is 1.

---
 drivers/soc/sunxi/sunxi_sram.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

index 98a4d4548a23..2c1672f9aac9 100644
@@ -78,8 +78,8 @@ static struct sunxi_sram_desc sun4i_a10_sram_d = {
 
 static struct sunxi_sram_desc sun50i_a64_sram_c = {
 	.data	= SUNXI_SRAM_DATA("C", 0x4, 24, 1,
-				  SUNXI_SRAM_MAP(0, 1, "cpu"),
-				  SUNXI_SRAM_MAP(1, 0, "de2")),
+				  SUNXI_SRAM_MAP(1, 0, "cpu"),
+				  SUNXI_SRAM_MAP(0, 1, "de2")),
 };
 
 static const struct of_device_id sunxi_sram_dt_ids[] = {

2.35.1

From: Brian Norris <[email protected]>

[ Upstream commit cc62d98bd56d45de4531844ca23913a15136c05b ]

This reverts commit 211f276ed3d96e964d2d1106a198c7f4a4b3f4c0.

For quite some time, core DRM helpers already ensure that any relevant connectors/CRTCs/etc. are disabled, as well as their associated components (e.g., bridges) when suspending the system. Thus, analogix_dp_bridge_{enable,disable}() already get called, which in turn call drm_panel_{prepare,unprepare}(). This makes these drm_panel_*() calls redundant.

Besides redundancy, there are a few problems with this handling:

(1) drm_panel_{prepare,unprepare}() are *not* reference-counted APIs and are not in general designed to be handled by multiple callers -- although some panel drivers have a coarse 'prepared' flag that mitigates some damage, at least. So at a minimum this is redundant and confusing, but in some cases, this could be actively harmful.

(2) The error-handling is a bit non-standard. We ignored errors in suspend(), but handled errors in resume(). And recently, people noticed that the clk handling is unbalanced in error paths, and getting *that* right is not actually trivial, given the current way errors are mostly ignored.

(3) In the particular way analogix_dp_{suspend,resume}() get used (e.g., in rockchip_dp_*(), as a late/early callback), we don't necessarily have a proper PM relationship between the DP/bridge device and the panel device. So while the DP bridge gets resumed, the panel's parent device (e.g., platform_device) may still be suspended, and so any prepare() calls may fail.

So remove the superfluous, possibly-harmful suspend()/resume() handling of panel state.

---
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 13 -------------
 1 file changed, 13 deletions(-)

index e21c7673cd5b..57781833cae1 100644
@@ -1690,12 +1690,6 @@ EXPORT_SYMBOL_GPL(analogix_dp_unbind);
 int analogix_dp_suspend(struct analogix_dp_device *dp)
 {
 	clk_disable_unprepare(dp->clock);
-
-	if (dp->plat_data->panel) {
-		if (drm_panel_unprepare(dp->plat_data->panel))
-			DRM_ERROR("failed to turnoff the panel\n");
-	}
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(analogix_dp_suspend);

@@ -1710,13 +1704,6 @@ int analogix_dp_resume(struct analogix_dp_device *dp)
 		return ret;
 	}
 
-	if (dp->plat_data->panel) {
-		if (drm_panel_prepare(dp->plat_data->panel)) {
-			DRM_ERROR("failed to setup the panel\n");
-			return -EBUSY;
-		}
-	}
-
 	return 0;
 }
 EXPORT_SYMBOL_GPL(analogix_dp_resume);

2.35.1

From: Yang Yingliang <[email protected]>

[ Upstream commit a54dc27bd25f20ee3ea2009584b3166d25178243 ]

devm_gpiod_get_optional() may return ERR_PTR(-EPROBE_DEFER), add a minus sign to fix it.

---
 drivers/input/touchscreen/melfas_mip4.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index 430a2bc5f7ca..5d947e721fa5 100644
@@ -1462,7 +1462,7 @@ static int mip4_probe(struct i2c_client *client, const struct i2c_device_id *id)
 					      "ce", GPIOD_OUT_LOW);
 	if (IS_ERR(ts->gpio_ce)) {
 		error = PTR_ERR(ts->gpio_ce);
-		if (error != EPROBE_DEFER)
+		if (error != -EPROBE_DEFER)
 			dev_err(&client->dev,
 				"Failed to get gpio: %d\n", error);
 		return error;

2.35.1

From: Peilin Ye <[email protected]>

[ Upstream commit a43206156263fbaf1f2b7f96257441f331e91bb7 ]

Currently usbnet_disconnect() unanchors and frees all deferred URBs using usb_scuttle_anchored_urbs(), which does not free urb->context, causing a memory leak as reported by syzbot.

Use a usb_get_from_anchor() while loop instead, similar to what we did in commit 19cfe912c37b ("Bluetooth: btusb: Fix memory leak in play_deferred"). Also free urb->sg.

---
 drivers/net/usb/usbnet.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

index 1316f5b0c0d7..2263a66f6314 100644
@@ -1596,6 +1596,7 @@ void usbnet_disconnect (struct usb_interface *intf)
 	struct usbnet		*dev;
 	struct usb_device	*xdev;
 	struct net_device	*net;
+	struct urb		*urb;
 
 	dev = usb_get_intfdata(intf);
 	usb_set_intfdata(intf, NULL);

@@ -1612,7 +1613,11 @@ void usbnet_disconnect (struct usb_interface *intf)
 	net = dev->net;
 	unregister_netdev (net);
 
-	usb_scuttle_anchored_urbs(&dev->deferred);
+	while ((urb = usb_get_from_anchor(&dev->deferred))) {
+		dev_kfree_skb(urb->context);
+		kfree(urb->sg);
+		usb_free_urb(urb);
+	}
 
 	if (dev->driver_info->unbind)
 		dev->driver_info->unbind (dev, intf);

2.35.1

From: Chaitanya Kulkarni <[email protected]>

[ Upstream commit f1c772d581843e3a14bbd62ef7e40b56fc307f27 ]

Add a new line in functions nvme_pr_preempt(), nvme_pr_clear(), and nvme_pr_release() after variable declaration which follows the rest of the code in the nvme/host/core.c.

No functional change(s) in this patch.

Stable-dep-of: c292a337d0e4 ("nvme: Fix IOC_PR_CLEAR and IOC_PR_RELEASE ioctls for nvme devices")

---
 drivers/nvme/host/core.c | 3 +++
 1 file changed, 3 insertions(+)

index a0a805a5ab6b..44ee6dc5e0ca 100644
@@ -1716,18 +1716,21 @@ static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new,
 		enum pr_type type, bool abort)
 {
 	u32 cdw10 = nvme_pr_type(type) << 8 | (abort ? 2 : 1);
+
 	return nvme_pr_command(bdev, cdw10, old, new, nvme_cmd_resv_acquire);
 }
 
 static int nvme_pr_clear(struct block_device *bdev, u64 key)
 {
 	u32 cdw10 = 1 | (key ? 1 << 3 : 0);
+
 	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_register);
 }
 
 static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
 {
 	u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0);
+
 	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
 }
 

2.35.1

From: Michael Kelley <[email protected]>

[ Upstream commit c292a337d0e45a292c301e3cd51c35aa0ae91e95 ]

The IOC_PR_CLEAR and IOC_PR_RELEASE ioctls are non-functional on NVMe devices because the nvme_pr_clear() and nvme_pr_release() functions set the IEKEY field incorrectly. The IEKEY field should be set only when the key is zero (i.e, not specified). The current code does it backwards.

Furthermore, the NVMe spec describes the persistent reservation "clear" function as an option on the reservation release command. The current implementation of nvme_pr_clear() erroneously uses the reservation register command.

Fix these errors. Note that NVMe version 1.3 and later specify that setting the IEKEY field will return an error of Invalid Field in Command. The fix will set IEKEY when the key is zero, which is appropriate as these ioctls consider a zero key to be "unspecified", and the intention of the spec change is to require a valid key.

Tested on a version 1.4 PCI NVMe device in an Azure VM.

---
 drivers/nvme/host/core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

index 44ee6dc5e0ca..582c3b190418 100644
@@ -1722,14 +1722,14 @@ static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new,
 
 static int nvme_pr_clear(struct block_device *bdev, u64 key)
 {
-	u32 cdw10 = 1 | (key ? 1 << 3 : 0);
+	u32 cdw10 = 1 | (key ? 0 : 1 << 3);
 
-	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_register);
+	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
 }
 
 static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
 {
-	u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0);
+	u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 0 : 1 << 3);
 
 	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
 }

2.35.1

From: Wang Yufen <[email protected]>

[ Upstream commit bc7a319844891746135dc1f34ab9df78d636a3ac ]

The socket 2 bind the addr in use, bind should fail with EADDRINUSE. So if bind success or errno != EADDRINUSE, testcase should be failed.

---
 tools/testing/selftests/net/reuseport_bpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index b5277106df1f..b0cc082fbb84 100644
@@ -330,7 +330,7 @@ static void test_extra_filter(const struct test_params p)
 	if (bind(fd1, addr, sockaddr_size()))
 		error(1, errno, "failed to bind recv socket 1");
 
-	if (!bind(fd2, addr, sockaddr_size()) && errno != EADDRINUSE)
+	if (!bind(fd2, addr, sockaddr_size()) || errno != EADDRINUSE)
 		error(1, errno, "bind socket 2 should fail with EADDRINUSE");
 
 	free(addr);

2.35.1

From: Florian Fainelli <[email protected]>

[ Upstream commit 1b24a132eba7a1c19475ba2510ec1c00af3ff914 ]

After commit 31fd9b79dc58 ("ARM: dts: BCM5301X: update CRU block description") a warning from clk-iproc-pll.c was generated due to a duplicate PLL name as well as the console stopped working. Upon closer inspection it became clear that iproc_pll_clk_setup() used the Device Tree node unit name as an unique identifier as well as a parent name to parent all clocks under the PLL.

BCM5301X was the first platform on which that got noticed because of the DT node unit name renaming but the same assumptions hold true for any user of the iproc_pll_clk_setup() function.

The first 'clock-output-names' property is always guaranteed to be unique as well as providing the actual desired PLL clock name, so we utilize that to register the PLL and as a parent name of all children clock.

---
 drivers/clk/bcm/clk-iproc-pll.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

index 274441e2ddb2..8f0619f362e3 100644
@@ -736,6 +736,7 @@ void iproc_pll_clk_setup(struct device_node *node,
 	const char *parent_name;
 	struct iproc_clk *iclk_array;
 	struct clk_hw_onecell_data *clk_data;
+	const char *clk_name;
 
 	if (WARN_ON(!pll_ctrl) || WARN_ON(!clk_ctrl))
 		return;

@@ -783,7 +784,12 @@ void iproc_pll_clk_setup(struct device_node *node,
 	iclk = &iclk_array[0];
 	iclk->pll = pll;
 
-	init.name = node->name;
+	ret = of_property_read_string_index(node, "clock-output-names",
+					    0, &clk_name);
+	if (WARN_ON(ret))
+		goto err_pll_register;
+
+	init.name = clk_name;
 	init.ops = &iproc_pll_ops;
 	init.flags = 0;
 	parent_name = of_clk_get_parent_name(node, 0);

@@ -803,13 +809,11 @@ void iproc_pll_clk_setup(struct device_node *node,
 		goto err_pll_register;
 
 	clk_data->hws[0] = &iclk->hw;
+	parent_name = clk_name;
 
 	/* now initialize and register all leaf clocks */
 	for (i = 1; i < num_clks; i++) {
-		const char *clk_name;
-
 		memset(&init, 0, sizeof(init));
-		parent_name = node->name;
 
 		ret = of_property_read_string_index(node, "clock-output-names",
 						    i, &clk_name);

2.35.1

All tests passing for Tegra ...

Test results for stable-v4.19:

    10 builds:	10 pass, 0 fail
    22 boots:	22 pass, 0 fail
    40 tests:	40 pass, 0 fail

Linux version: 4.19.261-rc1-g22f1795c5b7e
Boards tested: tegra124-jetson-tk1, tegra186-p2771-0000,

                tegra194-p2972-0000, tegra20-ventana,
                tegra210-p2371-2180, tegra30-cardhu-a04

Jon

4.19.261-rc1 compiled and booted with no errors or regressions on my x86_64 test system.

-srw

Hi!

Will there be matching 4.9.331? I don't see the announcement. I don't see problems with 4.19.

CIP testing did not find any problems here:

https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/tree/linux-4.19.y

Best regards,
Pavel

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

Someday, yes, I did not push out a 4.9.y-rc or 4.14.y-rc today, sorry.

thanks,

greg k-h

Hi!

No problem, I seen this and I noted 4.9 and 4.19 go together. I'll try to remember it is not always the case.

Best regards,
Pavel

commit fdefb462455685d63acda7bca5fd486d86490132 (origin/linux-4.9.y)

Author: Greg Kroah-Hartman <[email protected]>
Date:   Mon Oct 3 09:07:13 2022 +0200

    Linux 4.9.331-rc1

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

Build results:

	total: 157 pass: 157 fail: 0
Qemu test results:
	total: 423 pass: 423 fail: 0

Guenter

Compiled and booted on my test system. No dmesg regressions.

thanks,
-- Shuah

Results from Linaro's test farm.
No regressions on arm64, arm, x86_64, and i386.

## Build
* kernel: 4.19.261-rc1
* git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
* git branch: linux-4.19.y
* git commit: 22f1795c5b7e877ba2a4c701f802752ae685a164
* git describe: v4.19.260-26-g22f1795c5b7e
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-4.19.y/build/v4.19.260-26-g22f1795c5b7e

## No Test Regressions (compared to v4.19.260)

## No Metric Regressions (compared to v4.19.260)

## No Test Fixes (compared to v4.19.260)

## No Metric Fixes (compared to v4.19.260)

## Test result summary
total: 91802, pass: 79419, fail: 761, skip: 11184, xfail: 438

## Build Summary
* arc: 10 total, 10 passed, 0 failed
* arm: 322 total, 316 passed, 6 failed
* arm64: 61 total, 60 passed, 1 failed
* i386: 29 total, 28 passed, 1 failed
* mips: 46 total, 45 passed, 1 failed
* parisc: 12 total, 12 passed, 0 failed
* powerpc: 63 total, 57 passed, 6 failed
* s390: 15 total, 15 passed, 0 failed
* sh: 24 total, 24 passed, 0 failed
* sparc: 12 total, 12 passed, 0 failed
* x86_64: 55 total, 54 passed, 1 failed

## Test suites summary
* fwts
* igt-gpu-tools
* kunit
* kvm-unit-tests
* libhugetlbfs
* log-parser-boot
* log-parser-test
* ltp-cap_bounds
* ltp-commands
* ltp-containers
* ltp-controllers
* ltp-cpuhotplug
* ltp-crypto
* ltp-cve
* ltp-dio
* ltp-fcntl-locktests
* ltp-filecaps
* ltp-fs
* ltp-fs_bind
* ltp-fs_perms_simple
* ltp-fsx
* ltp-hugetlb
* ltp-io
* ltp-ipc
* ltp-math
* ltp-mm
* ltp-nptl
* ltp-open-posix-tests
* ltp-pty
* ltp-sched
* ltp-securebits
* ltp-syscalls
* ltp-tracing
* network-basic-tests
* packetdrill
* rcutorture
* v4l2-compliance
* vdso

--
Linaro LKFT
https://lkft.linaro.org

Hi Greg,

Build test (gcc version 11.3.1 20220925):
mips: 63 configs -> no failure
arm: 115 configs -> no failure
arm64: 2 configs -> no failure
x86_64: 4 configs -> no failure
alpha allmodconfig -> no failure
powerpc allmodconfig -> no failure
riscv allmodconfig -> no failure
s390 allmodconfig -> no failure
xtensa allmodconfig -> no failure

Boot test:
x86_64: Booted on my test laptop. No regression.
x86_64: Booted on qemu. No regression. [1]

[1]. https://openqa.qa.codethink.co.uk/tests/1943

--
Regards
Sudip

Tested on arm64 and x86 for 4.19.261-rc1,

Kernel repo:https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
Branch: linux-4.19.y
Version: 4.19.261-rc1
Commit: 22f1795c5b7e877ba2a4c701f802752ae685a164
Compiler: gcc version 7.3.0 (GCC)

arm64:
--------------------------------------------------------------------
Testcase Result Summary:
total: 8947
passed: 8947
failed: 0
timeout: 0
--------------------------------------------------------------------

x86:
--------------------------------------------------------------------
Testcase Result Summary:
total: 8947
passed: 8947
failed: 0
timeout: 0
--------------------------------------------------------------------