6.6.99-rc2 review

This is the start of the stable review cycle for the 6.6.99 release. There are 111 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 Thu, 17 Jul 2025 16:35:12 +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/v6.x/stable-review/patch-6.6.99-rc2.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <[email protected]>

    Linux 6.6.99-rc2

Michael Jeanson <[email protected]>
rseq: Fix segfault on registration when rseq_cs is non-zero

Lukas Wunner <[email protected]>
crypto: ecdsa - Harden against integer overflows in DIV_ROUND_UP()

Namjae Jeon <[email protected]>
ksmbd: fix potential use-after-free in oplock/lease break ack

Yeoreum Yun <[email protected]>
kasan: remove kasan_find_vm_area() to prevent possible deadlock

Paulo Alcantara <[email protected]>
smb: client: fix potential race in cifs_put_tcon()

Willem de Bruijn <[email protected]>
selftests/bpf: adapt one more case in test_lru_map to the new target_free

Hans de Goede <[email protected]>
Input: atkbd - do not skip atkbd_deactivate() when skipping ATKBD_CMD_GETID

Chia-Lin Kao (AceLan) <[email protected]>
HID: quirks: Add quirk for 2 Chicony Electronics HP 5MP Cameras

Zhang Heng <[email protected]>
HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY

Willem de Bruijn <[email protected]>
bpf: Adjust free target to avoid global starvation of LRU map

Nicolas Pitre <[email protected]>
vt: add missing notification when switching back to text mode

Filipe Manana <[email protected]>
btrfs: fix assertion when building free space tree

Long Li <[email protected]>
net: mana: Record doorbell physical address in PF mode

Akira Inoue <[email protected]>
HID: lenovo: Add support for ThinkPad X1 Tablet Thin Keyboard Gen2

Xiaowei Li <[email protected]>
net: usb: qmi_wwan: add SIMCom 8230C composition

Yasmin Fitzgerald <[email protected]>
ALSA: hda/realtek - Enable mute LED on HP Pavilion Laptop 15-eg100

Yuzuru10 <[email protected]>
ASoC: amd: yc: add quirk for Acer Nitro ANV15-41 internal mic

Fengnan Chang <[email protected]>
io_uring: make fallocate be hashed work

Tiwei Bie <[email protected]>
um: vector: Reduce stack usage in vector_eth_configure()

Thomas Fourier <[email protected]>

    atm: idt77252: Add missing `dma_map_error()`

Ronnie Sahlberg <[email protected]>
ublk: sanity check add_dev input for underflow

Somnath Kotur <[email protected]>
bnxt_en: Set DMA unmap len correctly for XDP_REDIRECT

Shravya KN <[email protected]>
bnxt_en: Fix DCB ETS validation

Alok Tiwari <[email protected]>
net: ll_temac: Fix missing tx_pending check in ethtools_set_ringparam()

Sean Nyekjaer <[email protected]>
can: m_can: m_can_handle_lost_msg(): downgrade msg lost in rx message to debug level

Oleksij Rempel <[email protected]>
net: phy: microchip: limit 100M workaround to link-down events on LAN88xx

Mingming Cao <[email protected]>
ibmvnic: Fix hardcoded NUM_RX_STATS/NUM_TX_STATS with dynamic sizeof

Kito Xu <[email protected]>
net: appletalk: Fix device refcount leak in atrtr_create()

Eric Dumazet <[email protected]>
netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()

Zheng Qixing <[email protected]>
nbd: fix uaf in nbd_genl_connect() error path

Nigel Croxon <[email protected]>
raid10: cleanup memleak at raid10_make_request

Wang Jinchao <[email protected]>
md/raid1: Fix stack memory use after return in raid1_reshape

Mikko Perttunen <[email protected]>
drm/tegra: nvdec: Fix dma_alloc_coherent error check

Daniil Dulov <[email protected]>
wifi: zd1211rw: Fix potential NULL pointer dereference in zd_mac_tx_to_dev()

Shyam Prasad N <[email protected]>
cifs: all initializations for tcon should happen in tcon_info_alloc

Paulo Alcantara <[email protected]>
smb: client: fix DFS interlink failover

Paulo Alcantara <[email protected]>
smb: client: avoid unnecessary reconnects when refreshing referrals

Kuen-Han Tsai <[email protected]>
usb: dwc3: Abort suspend on soft disconnect failure

Pawel Laszczak <[email protected]>
usb: cdnsp: Fix issue with CV Bad Descriptor test

Lee Jones <[email protected]>
usb: cdnsp: Replace snprintf() with the safer scnprintf() variant

Pawel Laszczak <[email protected]>
usb:cdnsp: remove TRB_FLUSH_ENDPOINT command

Filipe Manana <[email protected]>
btrfs: fix inode lookup error handling during log replay

Filipe Manana <[email protected]>
btrfs: return a btrfs_inode from btrfs_iget_logging()

Filipe Manana <[email protected]>
btrfs: remove redundant root argument from fixup_inode_link_count()

Filipe Manana <[email protected]>
btrfs: remove redundant root argument from btrfs_update_inode_fallback()

Filipe Manana <[email protected]>
btrfs: remove noinline from btrfs_update_inode()

Jakub Kicinski <[email protected]>
netlink: make sure we allow at least one dump skb

Kuniyuki Iwashima <[email protected]>
netlink: Fix rmem check in netlink_broadcast_deliver().

Chao Yu <[email protected]>
erofs: fix to add missing tracepoint in erofs_read_folio()

Al Viro <[email protected]>
ksmbd: fix a mount write count leak in ksmbd_vfs_kern_path_locked()

Stefan Metzmacher <[email protected]>
smb: server: make use of rdma_destroy_qp()

Jann Horn <[email protected]>
x86/mm: Disable hugetlb page table sharing on 32-bit

Mikhail Paulyshka <[email protected]>
x86/rdrand: Disable RDSEED on AMD Cyan Skillfish

Uwe Kleine-König <[email protected]>
pwm: mediatek: Ensure to disable clocks in error path

Alexander Gordeev <[email protected]>
mm/vmalloc: leave lazy MMU mode on PTE mapping error

Florian Fainelli <[email protected]>
scripts/gdb: fix interrupts.py after maple tree conversion

Florian Fainelli <[email protected]>
scripts/gdb: de-reference per-CPU MCE interrupts

Florian Fainelli <[email protected]>
scripts/gdb: fix interrupts display after MCP on x86

Baolin Wang <[email protected]>
mm: fix the inaccurate memory statistics issue for users

Wei Yang <[email protected]>
maple_tree: fix mt_destroy_walk() on root leaf node

Achill Gilgenast <[email protected]>
kallsyms: fix build without execinfo

Rafael J. Wysocki <[email protected]>
Revert "ACPI: battery: negate current when discharging"

Thomas Zimmermann <[email protected]>
drm/framebuffer: Acquire internal references on GEM handles

Kuen-Han Tsai <[email protected]>
Revert "usb: gadget: u_serial: Add null pointer check in gs_start_io"

Kuen-Han Tsai <[email protected]>
usb: gadget: u_serial: Fix race condition in TTY wakeup

Simona Vetter <[email protected]>
drm/gem: Fix race in drm_gem_handle_create_tail()

Christian König <[email protected]>
drm/ttm: fix error handling in ttm_buffer_object_transfer

Matthew Brost <[email protected]>
drm/sched: Increment job count before swapping tail spsc queue

Thomas Zimmermann <[email protected]>
drm/gem: Acquire references on GEM handles for framebuffers

Mathy Vanhoef <[email protected]>
wifi: prevent A-MSDU attacks in mesh networks

Bartosz Golaszewski <[email protected]>
pinctrl: qcom: msm: mark certain pins as invalid for interrupts

Håkon Bugge <[email protected]>
md/md-bitmap: fix GPF in bitmap_get_stats()

Guillaume Nault <[email protected]>
gre: Fix IPv6 multicast route creation.

Sean Christopherson <[email protected]>
KVM: SVM: Reject SEV{-ES} intra host migration if vCPU creation is in-flight

David Woodhouse <[email protected]>
KVM: x86/xen: Allow 'out of range' event channel ports in IRQ routing table.

JP Kobryn <[email protected]>
x86/mce: Make sure CMCI banks are cleared during shutdown on Intel

Yazen Ghannam <[email protected]>
x86/mce: Don't remove sysfs if thresholding sysfs init fails

Yazen Ghannam <[email protected]>
x86/mce/amd: Fix threshold limit reset

Yazen Ghannam <[email protected]>
x86/mce/amd: Add default names for MCA banks and blocks

Dan Carpenter <[email protected]>
ipmi:msghandler: Fix potential memory corruption in ipmi_create_user()

David Howells <[email protected]>
rxrpc: Fix oops due to non-existence of prealloc backlog struct

Christian Eggers <[email protected]>
Bluetooth: HCI: Set extended advertising data synchronously

Leo Yan <[email protected]>
perf: build: Setup PKG_CONFIG_LIBDIR for cross compilation

Liam R. Howlett <[email protected]>
maple_tree: fix MA_STATE_PREALLOC flag in mas_preallocate()

David Howells <[email protected]>
rxrpc: Fix bug due to prealloc collision

Victor Nogueira <[email protected]>
net/sched: Abort __tc_modify_qdisc if parent class does not exist

Yue Haibing <[email protected]>
atm: clip: Fix NULL pointer dereference in vcc_sendmsg()

Kuniyuki Iwashima <[email protected]>
atm: clip: Fix infinite recursive call of clip_push().

Kuniyuki Iwashima <[email protected]>
atm: clip: Fix memory leak of struct clip_vcc.

Kuniyuki Iwashima <[email protected]>
atm: clip: Fix potential null-ptr-deref in to_atmarpd().

Oleksij Rempel <[email protected]>
net: phy: smsc: Fix link failure in forced mode with Auto-MDIX

Oleksij Rempel <[email protected]>
net: phy: smsc: Force predictable MDI-X state on LAN87xx

Oleksij Rempel <[email protected]>
net: phy: smsc: Fix Auto-MDIX configuration when disabled by strap

EricChan <[email protected]>
net: stmmac: Fix interrupt handling for level-triggered mode in DWC_XGMAC2

Michal Luczaj <[email protected]>
vsock: Fix IOCTL_VM_SOCKETS_GET_LOCAL_CID to check also transport_local

Michal Luczaj <[email protected]>
vsock: Fix transport_* TOCTOU

Michal Luczaj <[email protected]>
vsock: Fix transport_{g2h,h2g} TOCTOU

Jiayuan Chen <[email protected]>
tcp: Correct signedness in skb remaining space calculation

Kuniyuki Iwashima <[email protected]>
tipc: Fix use-after-free in tipc_conn_close().

Stefano Garzarella <[email protected]>
vsock: fix vsock_proto declaration

Kuniyuki Iwashima <[email protected]>

    netlink: Fix wraparounds of sk->sk_rmem_alloc.

Al Viro <[email protected]>
fix proc_sys_compare() handling of in-lookup dentries

Mario Limonciello <[email protected]>
pinctrl: amd: Clear GPIO debounce for suspend

Luiz Augusto von Dentz <[email protected]>
Bluetooth: hci_event: Fix not marking Broadcast Sink BIS as connected

Luiz Augusto von Dentz <[email protected]>
Bluetooth: hci_sync: Fix not disabling advertising instance

Richard Fitzgerald <[email protected]>
ASoC: cs35l56: probe() should fail if the device ID is not recognized

Peter Zijlstra <[email protected]>
perf: Revert to requiring CAP_SYS_ADMIN for uprobes

Luo Gengkun <[email protected]>
perf/core: Fix the WARN_ON_ONCE is out of lock protected region

Shengjiu Wang <[email protected]>
ASoC: fsl_asrc: use internal measured ratio for non-ideal ratio mode

Kaustabh Chakraborty <[email protected]>
drm/exynos: exynos7_drm_decon: add vblank check in IRQ handling

Linus Torvalds <[email protected]>
eventpoll: don't decrement ep refcount while still holding the ep mutex

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

Diffstat:

 Documentation/bpf/map_hash.rst                     |   8 +-
 Documentation/bpf/map_lru_hash_update.dot          |   6 +-
 Makefile                                           |   4 +-
 arch/um/drivers/vector_kern.c                      |  42 +--
 arch/x86/Kconfig                                   |   2 +-
 arch/x86/include/asm/msr-index.h                   |   1 +
 arch/x86/kernel/cpu/amd.c                          |   7 +
 arch/x86/kernel/cpu/mce/amd.c                      |  28 +-
 arch/x86/kernel/cpu/mce/core.c                     |   8 +-
 arch/x86/kernel/cpu/mce/intel.c                    |   1 +
 arch/x86/kvm/svm/sev.c                             |   4 +
 arch/x86/kvm/xen.c                                 |  15 +-
 crypto/ecc.c                                       |   2 +-
 drivers/acpi/battery.c                             |  19 +-
 drivers/atm/idt77252.c                             |   5 +
 drivers/block/nbd.c                                |   6 +-
 drivers/block/ublk_drv.c                           |   3 +-
 drivers/char/ipmi/ipmi_msghandler.c                |   3 +-
 drivers/gpu/drm/drm_framebuffer.c                  |  31 +-
 drivers/gpu/drm/drm_gem.c                          |  74 ++++-
 drivers/gpu/drm/drm_internal.h                     |   2 +
 drivers/gpu/drm/exynos/exynos7_drm_decon.c         |   4 +
 drivers/gpu/drm/tegra/nvdec.c                      |   6 +-
 drivers/gpu/drm/ttm/ttm_bo_util.c                  |  13 +-
 drivers/hid/hid-ids.h                              |   6 +
 drivers/hid/hid-lenovo.c                           |   8 +
 drivers/hid/hid-multitouch.c                       |   8 +-
 drivers/hid/hid-quirks.c                           |   3 +
 drivers/input/keyboard/atkbd.c                     |   3 +-
 drivers/md/md-bitmap.c                             |   3 +-
 drivers/md/raid1.c                                 |   1 +
 drivers/md/raid10.c                                |  10 +-
 drivers/net/can/m_can/m_can.c                      |   2 +-
 drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c      |   2 +
 drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c      |   2 +-
 drivers/net/ethernet/ibm/ibmvnic.h                 |   8 +-
 drivers/net/ethernet/microsoft/mana/gdma_main.c    |   3 +
 drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c |  24 +-
 drivers/net/ethernet/xilinx/ll_temac_main.c        |   2 +-
 drivers/net/phy/microchip.c                        |   2 +-
 drivers/net/phy/smsc.c                             |  57 +++-
 drivers/net/usb/qmi_wwan.c                         |   1 +
 drivers/net/wireless/zydas/zd1211rw/zd_mac.c       |   6 +-
 drivers/pinctrl/pinctrl-amd.c                      |  11 +
 drivers/pinctrl/qcom/pinctrl-msm.c                 |  20 ++
 drivers/pwm/pwm-mediatek.c                         |  13 +-
 drivers/tty/vt/vt.c                                |   1 +
 drivers/usb/cdns3/cdnsp-debug.h                    | 358 ++++++++++-----------
 drivers/usb/cdns3/cdnsp-ep0.c                      |  18 +-
 drivers/usb/cdns3/cdnsp-gadget.c                   |   6 +-
 drivers/usb/cdns3/cdnsp-gadget.h                   |  11 +-
 drivers/usb/cdns3/cdnsp-ring.c                     |  27 +-
 drivers/usb/dwc3/core.c                            |   9 +-
 drivers/usb/dwc3/gadget.c                          |  22 +-
 drivers/usb/gadget/function/u_serial.c             |  12 +-
 fs/btrfs/btrfs_inode.h                             |   2 +-
 fs/btrfs/free-space-tree.c                         |  16 +-
 fs/btrfs/inode.c                                   |  18 +-
 fs/btrfs/transaction.c                             |   2 +-
 fs/btrfs/tree-log.c                                | 331 +++++++++++--------
 fs/erofs/data.c                                    |   2 +
 fs/eventpoll.c                                     |  12 +-
 fs/proc/inode.c                                    |   2 +-
 fs/proc/proc_sysctl.c                              |  18 +-
 fs/proc/task_mmu.c                                 |  14 +-
 fs/smb/client/cifsglob.h                           |   3 +
 fs/smb/client/cifsproto.h                          |  13 +-
 fs/smb/client/connect.c                            |  47 ++-
 fs/smb/client/dfs.c                                |  73 ++---
 fs/smb/client/dfs.h                                |  42 ++-
 fs/smb/client/dfs_cache.c                          | 198 +++++++-----
 fs/smb/client/fs_context.h                         |   1 +
 fs/smb/client/misc.c                               |   9 +
 fs/smb/client/namespace.c                          |   2 +-
 fs/smb/server/smb2pdu.c                            |  29 +-
 fs/smb/server/transport_rdma.c                     |   5 +-
 fs/smb/server/vfs.c                                |   1 +
 include/drm/drm_file.h                             |   3 +
 include/drm/drm_framebuffer.h                      |   7 +
 include/drm/spsc_queue.h                           |   4 +-
 include/linux/math.h                               |  12 +
 include/linux/mm.h                                 |   5 +
 include/net/af_vsock.h                             |   2 +-
 include/net/netfilter/nf_flow_table.h              |   2 +-
 io_uring/opdef.c                                   |   1 +
 kernel/bpf/bpf_lru_list.c                          |   9 +-
 kernel/bpf/bpf_lru_list.h                          |   1 +
 kernel/events/core.c                               |   6 +-
 kernel/rseq.c                                      |  60 +++-
 lib/maple_tree.c                                   |  14 +-
 mm/kasan/report.c                                  |  13 +-
 mm/vmalloc.c                                       |  22 +-
 net/appletalk/ddp.c                                |   1 +
 net/atm/clip.c                                     |  64 +++-
 net/bluetooth/hci_event.c                          |  39 +--
 net/bluetooth/hci_sync.c                           | 215 ++++++++-----
 net/ipv4/tcp.c                                     |   2 +-
 net/ipv6/addrconf.c                                |   9 +-
 net/netlink/af_netlink.c                           |  90 +++---
 net/rxrpc/call_accept.c                            |   4 +
 net/sched/sch_api.c                                |  23 +-
 net/tipc/topsrv.c                                  |   2 +
 net/vmw_vsock/af_vsock.c                           |  57 +++-
 net/wireless/util.c                                |  52 ++-
 scripts/gdb/linux/constants.py.in                  |   7 +
 scripts/gdb/linux/interrupts.py                    |  16 +-
 scripts/gdb/linux/mapletree.py                     | 252 +++++++++++++++
 scripts/gdb/linux/xarray.py                        |  28 ++
 sound/pci/hda/patch_realtek.c                      |   1 +
 sound/soc/amd/yc/acp6x-mach.c                      |   7 +
 sound/soc/codecs/cs35l56-shared.c                  |   2 +-
 sound/soc/fsl/fsl_asrc.c                           |   3 +-
 tools/arch/x86/include/asm/msr-index.h             |   1 +
 tools/build/feature/Makefile                       |  25 +-
 tools/include/linux/kallsyms.h                     |   4 +
 tools/perf/Makefile.perf                           |  27 +-
 tools/testing/selftests/bpf/test_lru_map.c         | 105 +++---
 117 files changed, 1948 insertions(+), 1042 deletions(-)

From [email protected] Tue Jul 15 18:35:42 2025
Message-ID: <[email protected]>
User-Agent: quilt/0.68
Date: Tue, 15 Jul 2025 18:35:43 +0200
From: Greg Kroah-Hartman <[email protected]>
To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected],
Jann Horn <[email protected]>,
Alexander Viro <[email protected]>,
Christian Brauner <[email protected]>,
Jan Kara <[email protected]>,
Linus Torvalds <[email protected]>
X-stable: review
X-Patchwork-Hint: ignore
Subject: [PATCH 6.6 001/111] eventpoll: dont decrement ep refcount while still holding the ep mutex
MIME-Version: 1.0

6.6-stable review patch. If anyone has any objections, please let me know.

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

From: Linus Torvalds <[email protected]>

commit 8c2e52ebbe885c7eeaabd3b7ddcdc1246fc400d2 upstream.

Jann Horn points out that epoll is decrementing the ep refcount and then doing a

    mutex_unlock(&ep->mtx);

afterwards. That's very wrong, because it can lead to a use-after-free.

That pattern is actually fine for the very last reference, because the code in question will delay the actual call to "ep_free(ep)" until after it has unlocked the mutex.

But it's wrong for the much subtler "next to last" case when somebody *else* may also be dropping their reference and free the ep while we're still using the mutex.

Note that this is true even if that other user is also using the same ep
mutex: mutexes, unlike spinlocks, can not be used for object ownership, even if they guarantee mutual exclusion.

A mutex "unlock" operation is not atomic, and as one user is still accessing the mutex as part of unlocking it, another user can come in and get the now released mutex and free the data structure while the first user is still cleaning up.

See our mutex documentation in Documentation/locking/mutex-design.rst, in particular the section [1] about semantics:

"mutex_unlock() may access the mutex structure even after it has
internally released the lock already - so it's not safe for another context to acquire the mutex and assume that the mutex_unlock() context is not using the structure anymore"

So if we drop our ep ref before the mutex unlock, but we weren't the last one, we may then unlock the mutex, another user comes in, drops _their_ reference and releases the 'ep' as it now has no users - all while the mutex_unlock() is still accessing it.

Fix this by simply moving the ep refcount dropping to outside the mutex:
the refcount itself is atomic, and doesn't need mutex protection (that's the whole _point_ of refcounts: unlike mutexes, they are inherently about object lifetimes).

---
 fs/eventpoll.c |   12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

@@ -772,7 +772,7 @@ static bool __ep_remove(struct eventpoll
 	call_rcu(&epi->rcu, epi_rcu_free);
 
 	percpu_counter_dec(&ep->user->epoll_watches);
-	return ep_refcount_dec_and_test(ep);
+	return true;
 }
 
 /*

@@ -780,14 +780,14 @@ static bool __ep_remove(struct eventpoll
  */
 static void ep_remove_safe(struct eventpoll *ep, struct epitem *epi)
 {
-	WARN_ON_ONCE(__ep_remove(ep, epi, false));
+	if (__ep_remove(ep, epi, false))
+		WARN_ON_ONCE(ep_refcount_dec_and_test(ep));
 }
 
 static void ep_clear_and_put(struct eventpoll *ep)
 {
 	struct rb_node *rbp, *next;
 	struct epitem *epi;
-	bool dispose;
 
 	/* We need to release all tasks waiting for these file */
 	if (waitqueue_active(&ep->poll_wait))

@@ -820,10 +820,8 @@ static void ep_clear_and_put(struct even
 		cond_resched();
 	}
 
-	dispose = ep_refcount_dec_and_test(ep);
 	mutex_unlock(&ep->mtx);
-
-	if (dispose)
+	if (ep_refcount_dec_and_test(ep))
 		ep_free(ep);
 }
 

@@ -1003,7 +1001,7 @@ again:
 		dispose = __ep_remove(ep, epi, true);
 		mutex_unlock(&ep->mtx);
 
-		if (dispose)
+		if (dispose && ep_refcount_dec_and_test(ep))
 			ep_free(ep);
 		goto again;
 	}

Boot-tested under QEMU for Rust x86_64:

Thanks!

Cheers,
Miguel

Hi Greg,

No problems seen on x86_64 and aarch64 with our testing.

Thanks,
Harshit

All tests passing for Tegra ...

Test results for stable-v6.6:

    10 builds:	10 pass, 0 fail
    28 boots:	28 pass, 0 fail
    120 tests:	120 pass, 0 fail

Linux version: 6.6.99-rc2-g9e2d450b5706
Boards tested: tegra124-jetson-tk1, tegra186-p2771-0000,

                tegra186-p3509-0000+p3636-0001, tegra194-p2972-0000,
                tegra194-p3509-0000+p3668-0000, tegra20-ventana,
                tegra210-p2371-2180, tegra210-p3450-0000,
                tegra30-cardhu-a04

Jon

Built and booted successfully on RISC-V RV64 (HiFive Unmatched).

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

## Build
* kernel: 6.6.99-rc2
* git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
* git commit: 9e2d450b5706b55c38eae29739b1b81ddd7e3b9e
* git describe: v6.6.97-114-g9e2d450b5706
* test details:
https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.97-114-g9e2d450b5706

## Test Regressions (compared to v6.6.96-131-g7b8f53dba183)

## Metric Regressions (compared to v6.6.96-131-g7b8f53dba183)

## Test Fixes (compared to v6.6.96-131-g7b8f53dba183)

## Metric Fixes (compared to v6.6.96-131-g7b8f53dba183)

## Test result summary
total: 288485, pass: 264299, fail: 6263, skip: 17525, xfail: 398

## Build Summary
* arc: 5 total, 5 passed, 0 failed
* arm: 129 total, 128 passed, 0 failed, 1 skipped
* arm64: 44 total, 44 passed, 0 failed
* i386: 23 total, 23 passed, 0 failed
* mips: 26 total, 25 passed, 1 failed
* parisc: 4 total, 4 passed, 0 failed
* powerpc: 32 total, 31 passed, 1 failed
* riscv: 15 total, 15 passed, 0 failed
* s390: 14 total, 13 passed, 1 failed
* sh: 10 total, 10 passed, 0 failed
* sparc: 7 total, 7 passed, 0 failed
* x86_64: 37 total, 37 passed, 0 failed

## Test suites summary
* boot
* commands
* kselftest-arm64
* kselftest-breakpoints
* kselftest-capabilities
* kselftest-cgroup
* kselftest-clone3
* kselftest-core
* kselftest-cpu-hotplug
* kselftest-cpufreq
* kselftest-efivarfs
* kselftest-exec
* kselftest-fpu
* kselftest-ftrace
* kselftest-futex
* kselftest-gpio
* kselftest-intel_pstate
* kselftest-ipc
* kselftest-kcmp
* kselftest-kvm
* kselftest-livepatch
* kselftest-membarrier
* kselftest-memfd
* kselftest-mincore
* kselftest-mm
* kselftest-mqueue
* kselftest-net
* kselftest-net-mptcp
* kselftest-openat2
* kselftest-ptrace
* kselftest-rseq
* kselftest-rtc
* kselftest-seccomp
* kselftest-sigaltstack
* kselftest-size
* kselftest-tc-testing
* kselftest-timers
* kselftest-tmpfs
* kselftest-tpm2
* kselftest-user_events
* kselftest-vDSO
* kselftest-x86
* kunit
* kvm-unit-tests
* lava
* libgpiod
* libhugetlbfs
* log-parser-boot
* log-parser-build-clang
* log-parser-build-gcc
* log-parser-test
* ltp-capability
* ltp-commands
* ltp-containers
* ltp-controllers
* ltp-cpuhotplug
* ltp-crypto
* ltp-cve
* ltp-dio
* ltp-fcntl-locktests
* ltp-fs
* ltp-fs_bind
* ltp-fs_perms_simple
* ltp-hugetlb
* ltp-math
* ltp-mm
* ltp-nptl
* ltp-pty
* ltp-sched
* ltp-smoke
* ltp-syscalls
* ltp-tracing
* modules
* perf
* rcutorture

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

Am 15.07.2025 um 18:37 schrieb Greg Kroah-Hartman:

Builds, boots and works on my 2-socket Ivy Bridge Xeon E5-2697 v2 server. No dmesg oddities or regressions found.

Beste Grüße,
Peter Schneider

Climb the mountain not to plant your flag, but to embrace the challenge,
enjoy the air and behold the view. Climb it so you can see the world,
not so the world can see you.                    -- David McCullough Jr.

OpenPGP:  0xA3828BD796CCE11A8CADE8866E3A92C92C3FF244
Download: https://www.peters-netzplatz.de/download/pschneider1968_pub.asc
https://keys.mailvelope.com/pks/lookup?op=get&[email protected]
https://keys.mailvelope.com/pks/lookup?op=get&[email protected]

On ARCH_BRCMSTB using 32-bit and 64-bit ARM kernels, build tested on BMIPS_GENERIC:

Florian

# Librecast Test Results

010/010 [ OK ] libmld
119/120 [FAIL] liblibrecast

CPU/kernel: Linux auntie 6.6.99-rc2-gefb1c34bdf5c #17 SMP PREEMPT_DYNAMIC Thu Jul 17 08:51:06 -00 2025 x86_64 AMD Ryzen 9 9950X 16-Core Processor AuthenticAMD GNU/Linux

There is one failing test with the 6.6 series kernels that I started digging into yesterday, but as this fails on *all* 6.6 kernels right back to 6.6.0 this isn't a regression in this RC so there is no reason to delay 6.6.99 for this. Works fine in 6.5.0 and in more recent kernels > 6.8. Will report this separately when I have more information.