Update 5.4-1.0.0-imx to v5.4.56 from stable #98
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[ Upstream commit 128c664 ] Release all allocated memory if sha type is invalid: In ccp_run_sha_cmd, if the type of sha is invalid, the allocated hmac_buf should be released. v2: fix the goto. Signed-off-by: Navid Emamdoost <[email protected]> Acked-by: Gary R Hook <[email protected]> Signed-off-by: Herbert Xu <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit a7b2df7 ] In cx23888_ir_probe if kfifo_alloc fails the allocated memory for state should be released. Signed-off-by: Navid Emamdoost <[email protected]> Signed-off-by: Sean Young <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit f45db2b ] The domain table should be empty at module unload. If it isn't there is a bug somewhere. So check and report. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206651 Signed-off-by: NeilBrown <[email protected]> Signed-off-by: J. Bruce Fields <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
commit cc78dc3 upstream. For all data packets transmitted, host gets htt tx completion event. Some QCA9984 firmware releases support WMI_SERVICE_TX_DATA_ACK_RSSI, which gives data ack rssi values to host through htt event of data tx completion. Data ack rssi values are valid if A0 bit is set in HTT rx message. So enable the feature also for QCA9884. Tested HW: QCA9984 Tested FW: 10.4-3.9.0.2-00044 Signed-off-by: Abhishek Ambure <[email protected]> Signed-off-by: Balaji Pothunoori <[email protected]> [[email protected]: improve commit log] Signed-off-by: Kalle Valo <[email protected]> Signed-off-by: Sathishkumar Muruganandam <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit b361663 upstream. Recently ASPM handling was changed to allow ASPM on PCIe-to-PCI/PCI-X bridges. Unfortunately the ASMedia ASM1083/1085 PCIe to PCI bridge device doesn't seem to function properly with ASPM enabled. On an Asus PRIME H270-PRO motherboard, it causes errors like these: pcieport 0000:00:1c.0: AER: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) pcieport 0000:00:1c.0: AER: device [8086:a292] error status/mask=00003000/00002000 pcieport 0000:00:1c.0: AER: [12] Timeout pcieport 0000:00:1c.0: AER: Corrected error received: 0000:00:1c.0 pcieport 0000:00:1c.0: AER: can't find device of ID00e0 In addition to flooding the kernel log, this also causes the machine to wake up immediately after suspend is initiated. The device advertises ASPM L0s and L1 support in the Link Capabilities register, but the ASMedia web page for ASM1083 [1] claims "No PCIe ASPM support". Windows 10 (build 2004) enables L0s, but it also logs correctable PCIe errors. Add a quirk to disable ASPM for this device. [1] https://www.asmedia.com.tw/eng/e_show_products.php?cate_index=169&item=114 [bhelgaas: commit log] Fixes: 66ff14e ("PCI/ASPM: Allow ASPM on links to PCIe-to-PCI/PCI-X Bridges") Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=208667 Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Robert Hancock <[email protected]> Signed-off-by: Bjorn Helgaas <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 5c72fee upstream. When handling a page fault, we drop mmap_sem to start async readahead so that we don't block on IO submission with mmap_sem held. However there's no point to drop mmap_sem in case readahead is disabled. Handle that case to avoid pointless dropping of mmap_sem and retrying the fault. This was actually reported to block mlockall(MCL_CURRENT) indefinitely. Fixes: 6b4c9f4 ("filemap: drop the mmap_sem for all blocking operations") Reported-by: Minchan Kim <[email protected]> Reported-by: Robert Stupp <[email protected]> Signed-off-by: Jan Kara <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Reviewed-by: Josef Bacik <[email protected]> Reviewed-by: Minchan Kim <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Linus Torvalds <[email protected]> Cc: SeongJae Park <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 3da87ec upstream. As expected, this requires the same quirk as the SSL2+ in order for the clock to sync. This was suggested by, and tested on an SSL2, by Dmitry. Suggested-by: Dmitry <[email protected]> Signed-off-by: Laurence Tratt <[email protected]> Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
… series with ALC289 commit 4b43d05 upstream. This patch adds support for headset mic to the ASUS ROG Zephyrus G15(GA502) notebook series by adding the corresponding vendor/pci_device id, as well as adding a new fixup for the used realtek ALC289. The fixup stets the correct pin to get the headset mic correctly recognized on audio-jack. Signed-off-by: Armas Spann <[email protected]> Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
…G14(GA401) series with ALC289 commit 293a92c upstream. This patch fixes a small typo I accidently submitted with the initial patch. The board should be named GA401 not G401. Fixes: ff53664 ("ALSA: hda/realtek: enable headset mic of ASUS ROG Zephyrus G14(G401) series with ALC289") Signed-off-by: Armas Spann <[email protected]> Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
…erence board (alc256) commit 6fa38ef upstream. Intel requires to enable power saving mode for intel reference board (alc256) Signed-off-by: PeiSen Hou <[email protected]> Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 5649625 upstream. HP NB right speaker had no sound output. This platform was connected to I2S Amp for speaker out.(None Realtek I2S Amp IC) EC need to check codec GPIO1 pin to initial I2S Amp. Signed-off-by: Kailang Yang <[email protected]> Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit c2c3657 upstream. It's been reported that, when neither nouveau nor Nvidia graphics driver is used, the screen starts flickering. And, after comparing between the working case (stable 4.4.x) and the broken case, it turned out that the problem comes from the audio component binding. The Nvidia and AMD audio binding code clears the bus->keep_power flag whenever snd_hdac_acomp_init() succeeds. But this doesn't mean that the component is actually bound, but it merely indicates that it's ready for binding. So, when both nouveau and Nvidia are blacklisted or not ready, the driver keeps running without the audio component but also with bus->keep_power = false. This made the driver runtime PM kicked in and powering down when unused, which results in flickering in the graphics side, as it seems. For fixing the bug, this patch moves the bus->keep_power flag change into generic_acomp_notifier_set() that is the function called from the master_bind callback of component ops; i.e. it's guaranteed that the binding succeeded. BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=208609 Fixes: 5a858e7 ("ALSA: hda - Disable audio component for legacy Nvidia HDMI codecs") Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 54a485e upstream. The lookaside count is improperly initialized to the size of the Receive Queue with the additional +1. In the traces below, the RQ size is 384, so the count was set to 385. The lookaside count is then rarely refreshed. Note the high and incorrect count in the trace below: rvt_get_rwqe: [hfi1_0] wqe ffffc900078e9008 wr_id 55c7206d75a0 qpn c qpt 2 pid 3018 num_sge 1 head 1 tail 0, count 385 rvt_get_rwqe: (hfi1_rc_rcv+0x4eb/0x1480 [hfi1] <- rvt_get_rwqe) ret=0x1 The head,tail indicate there is only one RWQE posted although the count says 385 and we correctly return the element 0. The next call to rvt_get_rwqe with the decremented count: rvt_get_rwqe: [hfi1_0] wqe ffffc900078e9058 wr_id 0 qpn c qpt 2 pid 3018 num_sge 0 head 1 tail 1, count 384 rvt_get_rwqe: (hfi1_rc_rcv+0x4eb/0x1480 [hfi1] <- rvt_get_rwqe) ret=0x1 Note that the RQ is empty (head == tail) yet we return the RWQE at tail 1, which is not valid because of the bogus high count. Best case, the RWQE has never been posted and the rc logic sees an RWQE that is too small (all zeros) and puts the QP into an error state. In the worst case, a server slow at posting receive buffers might fool rvt_get_rwqe() into fetching an old RWQE and corrupt memory. Fix by deleting the faulty initialization code and creating an inline to fetch the posted count and convert all callers to use new inline. Fixes: f592ae3 ("IB/rdmavt: Fracture single lock used for posting and processing RWQEs") Link: https://lore.kernel.org/r/[email protected] Reported-by: Zhaojuan Guo <[email protected]> Cc: <[email protected]> # 5.4.x Reviewed-by: Kaike Wan <[email protected]> Signed-off-by: Mike Marciniszyn <[email protected]> Tested-by: Honggang Li <[email protected]> Signed-off-by: Jason Gunthorpe <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 295c1b9 upstream. vhost/scsi doesn't handle type conversion correctly for request type when using virtio 1.0 and up for BE, or cross-endian platforms. Fix it up using vhost_32_to_cpu. Cc: [email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]> Reviewed-by: Stefan Hajnoczi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
…ad_work commit 74d6a5d upstream. p9_read_work and p9_fd_cancelled may be called concurrently. In some cases, req->req_list may be deleted by both p9_read_work and p9_fd_cancelled. We can fix it by ignoring replies associated with a cancelled request and ignoring cancelled request if message has been received before lock. Link: http://lkml.kernel.org/r/[email protected] Fixes: 60ff779 ("9p: client: remove unused code and any reference to "cancelled" function") Cc: <[email protected]> # v3.12+ Reported-by: [email protected] Signed-off-by: Wang Hai <[email protected]> Signed-off-by: Dominique Martinet <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 6989310 upstream. Use offsetof to calculate offset of a field to take advantage of compiler built-in version when possible, and avoid UBSAN warning when compiling with Clang: ================================================================== UBSAN: Undefined behaviour in net/wireless/wext-core.c:525:14 member access within null pointer of type 'struct iw_point' CPU: 3 PID: 165 Comm: kworker/u16:3 Tainted: G S W 4.19.23 Freescale#43 Workqueue: cfg80211 __cfg80211_scan_done [cfg80211] Call trace: dump_backtrace+0x0/0x194 show_stack+0x20/0x2c __dump_stack+0x20/0x28 dump_stack+0x70/0x94 ubsan_epilogue+0x14/0x44 ubsan_type_mismatch_common+0xf4/0xfc __ubsan_handle_type_mismatch_v1+0x34/0x54 wireless_send_event+0x3cc/0x470 ___cfg80211_scan_done+0x13c/0x220 [cfg80211] __cfg80211_scan_done+0x28/0x34 [cfg80211] process_one_work+0x170/0x35c worker_thread+0x254/0x380 kthread+0x13c/0x158 ret_from_fork+0x10/0x18 =================================================================== Signed-off-by: Pi-Hsun Shih <[email protected]> Reviewed-by: Nick Desaulniers <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Nick Desaulniers <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
…watchpoints commit eec13b4 upstream. Unprivileged memory accesses generated by the so-called "translated" instructions (e.g. LDRT) in kernel mode can cause user watchpoints to fire unexpectedly. In such cases, the hw_breakpoint logic will invoke the user overflow handler which will typically raise a SIGTRAP back to the current task. This is futile when returning back to the kernel because (a) the signal won't have been delivered and (b) userspace can't handle the thing anyway. Avoid invoking the user overflow handler for watchpoints triggered by kernel uaccess routines, and instead single-step over the faulting instruction as we would if no overflow handler had been installed. Cc: <[email protected]> Fixes: f81ef4a ("ARM: 6356/1: hw-breakpoint: add ARM backend for the hw-breakpoint framework") Reported-by: Luis Machado <[email protected]> Tested-by: Luis Machado <[email protected]> Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Russell King <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit d36f260 upstream. Commit 0672d22 ("ARM: dts: imx: Fix the AR803X phy-mode") fixed the phy-mode for fec1, but missed to fix it for the fec2 node. Fix fec2 to also use "rgmii-id" as the phy-mode. Cc: <[email protected]> Fixes: 0672d22 ("ARM: dts: imx: Fix the AR803X phy-mode") Signed-off-by: Fabio Estevam <[email protected]> Signed-off-by: Shawn Guo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit c696afd upstream. Commit 0672d22 ("ARM: dts: imx: Fix the AR803X phy-mode") fixed the phy-mode for fec1, but missed to fix it for the fec2 node. Fix fec2 to also use "rgmii-id" as the phy-mode. Cc: <[email protected]> Fixes: 0672d22 ("ARM: dts: imx: Fix the AR803X phy-mode") Signed-off-by: Fabio Estevam <[email protected]> Signed-off-by: Shawn Guo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 4a601da upstream. The current pin muxing scheme muxes GPIO_1 pad for USB_OTG_ID because of which when card is inserted, usb otg is enumerated and the card is never detected. [ 64.492645] cfg80211: failed to load regulatory.db [ 64.492657] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 76.343711] ci_hdrc ci_hdrc.0: EHCI Host Controller [ 76.349742] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 2 [ 76.388862] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 [ 76.396650] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.08 [ 76.405412] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 76.412763] usb usb2: Product: EHCI Host Controller [ 76.417666] usb usb2: Manufacturer: Linux 5.8.0-rc1-next-20200618 ehci_hcd [ 76.424623] usb usb2: SerialNumber: ci_hdrc.0 [ 76.431755] hub 2-0:1.0: USB hub found [ 76.435862] hub 2-0:1.0: 1 port detected The TRM mentions GPIO_1 pad should be muxed/assigned for card detect and ENET_RX_ER pad for USB_OTG_ID for proper operation. This patch fixes pin muxing as per TRM and is tested on a i.Core 1.5 MX6 DL SOM. [ 22.449165] mmc0: host does not support reading read-only switch, assuming write-enable [ 22.459992] mmc0: new high speed SDHC card at address 0001 [ 22.469725] mmcblk0: mmc0:0001 EB1QT 29.8 GiB [ 22.478856] mmcblk0: p1 p2 Fixes: 6df1128 ("ARM: dts: imx6q: Add Engicam i.CoreM6 Quad/Dual initial support") Cc: [email protected] Signed-off-by: Michael Trimarchi <[email protected]> Signed-off-by: Suniel Mahesh <[email protected]> Signed-off-by: Shawn Guo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 168c358 upstream. free cmd id is read using virtio endian, spec says all fields in balloon are LE. Fix it up. Fixes: 86a5597 ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT") Cc: [email protected] Signed-off-by: Michael S. Tsirkin <[email protected]> Acked-by: Jason Wang <[email protected]> Reviewed-by: Wei Wang <[email protected]> Acked-by: David Hildenbrand <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 87004ab upstream. This regressed some working configurations so revert it. Will fix this properly for 5.9 and backport then. This reverts commit 38e0c89. Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit fde9f39 upstream. This patch fixes a race condition that causes a use-after-free during amdgpu_dm_atomic_commit_tail. This can occur when 2 non-blocking commits are requested and the second one finishes before the first. Essentially, this bug occurs when the following sequence of events happens: 1. Non-blocking commit Freescale#1 is requested w/ a new dm_state Freescale#1 and is deferred to the workqueue. 2. Non-blocking commit Freescale#2 is requested w/ a new dm_state Freescale#2 and is deferred to the workqueue. 3. Commit Freescale#2 starts before commit Freescale#1, dm_state Freescale#1 is used in the commit_tail and commit Freescale#2 completes, freeing dm_state Freescale#1. 4. Commit Freescale#1 starts after commit Freescale#2 completes, uses the freed dm_state 1 and dereferences a freelist pointer while setting the context. Since this bug has only been spotted with fast commits, this patch fixes the bug by clearing the dm_state instead of using the old dc_state for fast updates. In addition, since dm_state is only used for its dc_state and amdgpu_dm_atomic_commit_tail will retain the dc_state if none is found, removing the dm_state should not have any consequences in fast updates. This use-after-free bug has existed for a while now, but only caused a noticeable issue starting from 5.7-rc1 due to 3202fa6 ("slub: relocate freelist pointer to middle of object") moving the freelist pointer from dm_state->base (which was unused) to dm_state->context (which is dereferenced). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=207383 Fixes: bd200d1 ("drm/amd/display: Don't replace the dc_state for fast updates") Reported-by: Duncan <[email protected]> Signed-off-by: Mazin Rezk <[email protected]> Reviewed-by: Nicholas Kazlauskas <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 543e866 upstream. Compiler leaves a 4-byte hole near the end of `dev_info`, causing amdgpu_info_ioctl() to copy uninitialized kernel stack memory to userspace when `size` is greater than 356. In 2015 we tried to fix this issue by doing `= {};` on `dev_info`, which unfortunately does not initialize that 4-byte hole. Fix it by using memset() instead. Cc: [email protected] Fixes: c193fa9 ("drm/amdgpu: information leak in amdgpu_info_ioctl()") Fixes: d38ceaf ("drm/amdgpu: add core driver (v4)") Suggested-by: Dan Carpenter <[email protected]> Reviewed-by: Christian König <[email protected]> Signed-off-by: Peilin Ye <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 900ab59 upstream. The function mipi_dbi_spi1_transfer() will transfer its payload as 9-bit data, the 9th (MSB) bit being the data/command bit. In order to do that, it unpacks the 8-bit values into 16-bit values, then sets the 9th bit if the byte corresponds to data, clears it otherwise. The 7 MSB are padding. The array of now 16-bit values is then passed to the SPI core for transfer. This function was broken since its introduction, as the length of the SPI transfer was set to the payload size before its conversion, but the payload doubled in size due to the 8-bit -> 16-bit conversion. Fixes: 02dd95f ("drm/tinydrm: Add MIPI DBI support") Cc: <[email protected]> # 5.4+ Signed-off-by: Paul Cercueil <[email protected]> Reviewed-by: Sam Ravnborg <[email protected]> Reviewed-by: Noralf Trønnes <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 8490d6a upstream. A use-after-free in drm_gem_open_ioctl can happen if the GEM object handle is closed between the idr lookup and retrieving the size from said object since a local reference is not being held at that point. Hold the local reference while the object can still be accessed to fix this and plug the potential security hole. Signed-off-by: Steve Cohen <[email protected]> Cc: [email protected] Signed-off-by: Daniel Vetter <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit bbc8a99 upstream. rds_notify_queue_get() is potentially copying uninitialized kernel stack memory to userspace since the compiler may leave a 4-byte hole at the end of `cmsg`. In 2016 we tried to fix this issue by doing `= { 0 };` on `cmsg`, which unfortunately does not always initialize that 4-byte hole. Fix it by using memset() instead. Cc: [email protected] Fixes: f037590 ("rds: fix a leak of kernel memory") Fixes: bdbe6fb ("RDS: recv.c") Suggested-by: Dan Carpenter <[email protected]> Signed-off-by: Peilin Ye <[email protected]> Acked-by: Santosh Shilimkar <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 39efdd9 upstream. In binutils 2.35, 'nm -D' changed to show symbol versions along with symbol names, with the usual @@ separator. When generating libtraceevent-dynamic-list we need just the names, so strip off the version suffix if present. Signed-off-by: Ben Hutchings <[email protected]> Tested-by: Salvatore Bonaccorso <[email protected]> Reviewed-by: Steven Rostedt <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 4becb7e upstream. x25_connect() invokes x25_get_neigh(), which returns a reference of the specified x25_neigh object to "x25->neighbour" with increased refcnt. When x25 connect success and returns, the reference still be hold by "x25->neighbour", so the refcount should be decreased in x25_disconnect() to keep refcount balanced. The reference counting issue happens in x25_disconnect(), which forgets to decrease the refcnt increased by x25_get_neigh() in x25_connect(), causing a refcnt leak. Fix this issue by calling x25_neigh_put() before x25_disconnect() returns. Signed-off-by: Xiyu Yang <[email protected]> Signed-off-by: Xin Tan <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit 8999dc8 upstream. We should check null before do x25_neigh_put in x25_disconnect, otherwise may cause null-ptr-deref like this: #include <sys/socket.h> #include <linux/x25.h> int main() { int sck_x25; sck_x25 = socket(AF_X25, SOCK_SEQPACKET, 0); close(sck_x25); return 0; } BUG: kernel NULL pointer dereference, address: 00000000000000d8 CPU: 0 PID: 4817 Comm: t2 Not tainted 5.7.0-rc3+ Freescale#159 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3- RIP: 0010:x25_disconnect+0x91/0xe0 Call Trace: x25_release+0x18a/0x1b0 __sock_release+0x3d/0xc0 sock_close+0x13/0x20 __fput+0x107/0x270 ____fput+0x9/0x10 task_work_run+0x6d/0xb0 exit_to_usermode_loop+0x102/0x110 do_syscall_64+0x23c/0x260 entry_SYSCALL_64_after_hwframe+0x49/0xb3 Reported-by: [email protected] Fixes: 4becb7e ("net/x25: Fix x25_neigh refcnt leak when x25 disconnect") Signed-off-by: YueHaibing <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
[ Upstream commit 1d61e21 ] This is likely firmware causing this but its starting to annoy customers. Change the message level to verbose to prevent the spam. Note that this seems to only show up with ISCSI enabled on the HBA via the qedi driver. Signed-off-by: Laurence Oberman <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit aba69d4 ] Fix ip_defrag.sh when CONFIG_NF_DEFRAG_IPV6=m: $ sudo ./ip_defrag.sh + set -e + mktemp -u XXXXXX + readonly NETNS=ns-rGlXcw + trap cleanup EXIT + setup + ip netns add ns-rGlXcw + ip -netns ns-rGlXcw link set lo up + ip netns exec ns-rGlXcw sysctl -w net.ipv4.ipfrag_high_thresh=9000000 + ip netns exec ns-rGlXcw sysctl -w net.ipv4.ipfrag_low_thresh=7000000 + ip netns exec ns-rGlXcw sysctl -w net.ipv4.ipfrag_time=1 + ip netns exec ns-rGlXcw sysctl -w net.ipv6.ip6frag_high_thresh=9000000 + ip netns exec ns-rGlXcw sysctl -w net.ipv6.ip6frag_low_thresh=7000000 + ip netns exec ns-rGlXcw sysctl -w net.ipv6.ip6frag_time=1 + ip netns exec ns-rGlXcw sysctl -w net.netfilter.nf_conntrack_frag6_high_thresh=9000000 + cleanup + ip netns del ns-rGlXcw $ ls -la /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh ls: cannot access '/proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh': No such file or directory $ sudo modprobe nf_defrag_ipv6 $ ls -la /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh -rw-r--r-- 1 root root 0 Jul 14 12:34 /proc/sys/net/netfilter/nf_conntrack_frag6_high_thresh Signed-off-by: Paolo Pisati <[email protected]> Reviewed-by: Jakub Kicinski <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 1e8fd3a ] The implementation of s3fwrn5_recv_frame() is supposed to consume skb on all execution paths. Release skb before returning -ENODEV. Signed-off-by: Navid Emamdoost <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 3f0dcfb ] I/O requests may be held in scheduler queue because of resource contention. The starvation scenario was handled properly in the regular completion path but we failed to account for it during I/O submission. This lead to the hang captured below. Make sure we run the queue when resource contention is encountered in the submission path. [ 39.054963] scsi 13:0:0:0: rejecting I/O to dead device [ 39.058700] scsi 13:0:0:0: rejecting I/O to dead device [ 39.087855] sd 13:0:0:1: [sdd] Synchronizing SCSI cache [ 39.088909] scsi 13:0:0:1: rejecting I/O to dead device [ 39.095351] scsi 13:0:0:1: rejecting I/O to dead device [ 39.096962] scsi 13:0:0:1: rejecting I/O to dead device [ 247.021859] INFO: task scsi-stress-rem:813 blocked for more than 122 seconds. [ 247.023258] Not tainted 5.8.0-rc2 Freescale#8 [ 247.024069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.025331] scsi-stress-rem D 0 813 802 0x00004000 [ 247.025334] Call Trace: [ 247.025354] __schedule+0x504/0x55f [ 247.027987] schedule+0x72/0xa8 [ 247.027991] blk_mq_freeze_queue_wait+0x63/0x8c [ 247.027994] ? do_wait_intr_irq+0x7a/0x7a [ 247.027996] blk_cleanup_queue+0x4b/0xc9 [ 247.028000] __scsi_remove_device+0xf6/0x14e [ 247.028002] scsi_remove_device+0x21/0x2b [ 247.029037] sdev_store_delete+0x58/0x7c [ 247.029041] kernfs_fop_write+0x10d/0x14f [ 247.031281] vfs_write+0xa2/0xdf [ 247.032670] ksys_write+0x6b/0xb3 [ 247.032673] do_syscall_64+0x56/0x82 [ 247.034053] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 247.034059] RIP: 0033:0x7f69f39e9008 [ 247.036330] Code: Bad RIP value. [ 247.036331] RSP: 002b:00007ffdd8116498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 247.037613] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69f39e9008 [ 247.039714] RDX: 0000000000000002 RSI: 000055cde92a0ab0 RDI: 0000000000000001 [ 247.039715] RBP: 000055cde92a0ab0 R08: 000000000000000a R09: 00007f69f3a79e80 [ 247.039716] R10: 000000000000000a R11: 0000000000000246 R12: 00007f69f3abb780 [ 247.039717] R13: 0000000000000002 R14: 00007f69f3ab6740 R15: 0000000000000002 Link: https://lore.kernel.org/r/[email protected] Cc: [email protected] Cc: Christoph Hellwig <[email protected]> Reviewed-by: Bart Van Assche <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: Ming Lei <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit b344d6a ] The kernel test bot reported[1] that using set_mask_bits on a u8 causes the following issue on parisc: hppa-linux-ld: drivers/phy/ti/phy-tusb1210.o: in function `tusb1210_probe': >> (.text+0x2f4): undefined reference to `__cmpxchg_called_with_bad_pointer' >> hppa-linux-ld: (.text+0x324): undefined reference to `__cmpxchg_called_with_bad_pointer' hppa-linux-ld: (.text+0x354): undefined reference to `__cmpxchg_called_with_bad_pointer' Add support for cmpxchg on u8 pointers. [1] https://lore.kernel.org/patchwork/patch/1272617/#1468946 Reported-by: kernel test robot <[email protected]> Signed-off-by: Liam Beguin <[email protected]> Tested-by: Dave Anglin <[email protected]> Signed-off-by: Helge Deller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 015c5d5 ] According to the report of [1], this driver is possible to cause the following error in ravb_tx_timeout_work(). ravb e6800000.ethernet ethernet: failed to switch device to config mode This error means that the hardware could not change the state from "Operation" to "Configuration" while some tx and/or rx queue are operating. After that, ravb_config() in ravb_dmac_init() will fail, and then any descriptors will be not allocaled anymore so that NULL pointer dereference happens after that on ravb_start_xmit(). To fix the issue, the ravb_tx_timeout_work() should check the return values of ravb_stop_dma() and ravb_dmac_init(). If ravb_stop_dma() fails, ravb_tx_timeout_work() re-enables TX and RX and just exits. If ravb_dmac_init() fails, just exits. [1] https://lore.kernel.org/linux-renesas-soc/[email protected]/ Reported-by: Dirk Behme <[email protected]> Signed-off-by: Yoshihiro Shimoda <[email protected]> Reviewed-by: Sergei Shtylyov <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 0db9254 ] This reverts commit d358def. There are two issues with "i2c: cadence: Fix the hold bit setting" commit. 1. In case of combined message request from user space, when the HOLD bit is cleared in cdns_i2c_mrecv function, a STOP condition is sent on the bus even before the last message is started. This is because when the HOLD bit is cleared, the FIFOS are empty and there is no pending transfer. The STOP condition should occur only after the last message is completed. 2. The code added by the commit is redundant. Driver is handling the setting/clearing of HOLD bit in right way before the commit. The setting of HOLD bit based on 'bus_hold_flag' is taken care in cdns_i2c_master_xfer function even before cdns_i2c_msend/cdns_i2c_recv functions. The clearing of HOLD bit is taken care at the end of cdns_i2c_msend and cdns_i2c_recv functions based on bus_hold_flag and byte count. Since clearing of HOLD bit is done after the slave address is written to the register (writing to address register triggers the message transfer), it is ensured that STOP condition occurs at the right time after completion of the pending transfer (last message). Signed-off-by: Raviteja Narayanam <[email protected]> Acked-by: Michal Simek <[email protected]> Signed-off-by: Wolfram Sang <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 372a8ea ] The ORC unwinder fails to unwind newly forked tasks which haven't yet run on the CPU. It correctly reads the 'ret_from_fork' instruction pointer from the stack, but it incorrectly interprets that value as a call stack address rather than a "signal" one, so the address gets incorrectly decremented in the call to orc_find(), resulting in bad ORC data. Fix it by forcing 'ret_from_fork' frames to be signal frames. Reported-by: Wang ShaoBo <[email protected]> Signed-off-by: Josh Poimboeuf <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Tested-by: Wang ShaoBo <[email protected]> Link: https://lkml.kernel.org/r/f91a8778dde8aae7f71884b5df2b16d552040441.1594994374.git.jpoimboe@redhat.com Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 039a7a3 ] If a user task's stack is empty, or if it only has user regs, ORC reports it as a reliable empty stack. But arch_stack_walk_reliable() incorrectly treats it as unreliable. That happens because the only success path for user tasks is inside the loop, which only iterates on non-empty stacks. Generally, a user task must end in a user regs frame, but an empty stack is an exception to that rule. Thanks to commit 71c9582 ("x86/unwind/orc: Fix error handling in __unwind_start()"), unwind_start() now sets state->error appropriately. So now for both ORC and FP unwinders, unwind_done() and !unwind_error() always means the end of the stack was successfully reached. So the success path for kthreads is no longer needed -- it can also be used for empty user tasks. Reported-by: Wang ShaoBo <[email protected]> Signed-off-by: Josh Poimboeuf <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Tested-by: Wang ShaoBo <[email protected]> Link: https://lkml.kernel.org/r/f136a4e5f019219cbc4f4da33b30c2f44fa65b84.1594994374.git.jpoimboe@redhat.com Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit e6827d1 ] In the implementation of uld_send(), the skb is consumed on all execution paths except one. Release skb when returning NET_XMIT_DROP. Signed-off-by: Navid Emamdoost <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit c2c6331 ] There's a potential race in xennet_remove(); this is what the driver is doing upon unregistering a network device: 1. state = read bus state 2. if state is not "Closed": 3. request to set state to "Closing" 4. wait for state to be set to "Closing" 5. request to set state to "Closed" 6. wait for state to be set to "Closed" If the state changes to "Closed" immediately after step 1 we are stuck forever in step 4, because the state will never go back from "Closed" to "Closing". Make sure to check also for state == "Closed" in step 4 to prevent the deadlock. Also add a 5 sec timeout any time we wait for the bus state to change, to avoid getting stuck forever in wait_event(). Signed-off-by: Andrea Righi <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit d0d8aae ] Currently, maximum number of mapper pages are set to the pfn calculated from the memblock size of the memblock containing kernel. This will work until that memblock spans the entire memory. However, it will be set to a wrong value if there are multiple memblocks defined in kernel (e.g. with efi runtime services). Set the the maximum value to the pfn calculated from dram size. Signed-off-by: Atish Patra <[email protected]> Signed-off-by: Palmer Dabbelt <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
[ Upstream commit 8754e13 ] This patch fixed 2 issues with the usage of skb_cow in LAPB drivers "lapbether" and "hdlc_x25": 1) After skb_cow fails, kfree_skb should be called to drop a reference to the skb. But in both drivers, kfree_skb is not called. 2) skb_cow should be called before skb_push so that is can ensure the safety of skb_push. But in "lapbether", it is incorrectly called after skb_push. More details about these 2 issues: 1) The behavior of calling kfree_skb on failure is also the behavior of netif_rx, which is called by this function with "return netif_rx(skb);". So this function should follow this behavior, too. 2) In "lapbether", skb_cow is called after skb_push. This results in 2 logical issues: a) skb_push is not protected by skb_cow; b) An extra headroom of 1 byte is ensured after skb_push. This extra headroom has no use in this function. It also has no use in the upper-layer function that this function passes the skb to (x25_lapb_receive_frame in net/x25/x25_dev.c). So logically skb_cow should instead be called before skb_push. Cc: Eric Dumazet <[email protected]> Cc: Martin Schiller <[email protected]> Signed-off-by: Xie He <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
commit b757b47 upstream. If a stage-2 page-table contains an executable, read-only mapping at the pte level (e.g. due to dirty logging being enabled), a subsequent write fault to the same page which tries to install a larger block mapping (e.g. due to dirty logging having been disabled) will erroneously inherit the exec permission and consequently skip I-cache invalidation for the rest of the block. Ensure that exec permission is only inherited by write faults when the new mapping is of the same size as the existing one. A subsequent instruction abort will result in I-cache invalidation for the entire block mapping. Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Tested-by: Quentin Perret <[email protected]> Reviewed-by: Quentin Perret <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
…disabled commit d2286ba upstream. Prevent setting the tscdeadline timer if the lapic is hw disabled. Fixes: bce87cc (KVM: x86: consolidate different ways to test for in-kernel LAPIC) Cc: <[email protected]> Signed-off-by: Wanpeng Li <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit bdd6558 upstream. 0day reported a possible circular locking dependency: Chain exists of: &irq_desc_lock_class --> console_owner --> &port_lock_key Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&port_lock_key); lock(console_owner); lock(&port_lock_key); lock(&irq_desc_lock_class); The reason for this is a printk() in the i8259 interrupt chip driver which is invoked with the irq descriptor lock held, which reverses the lock operations vs. printk() from arbitrary contexts. Switch the printk() to printk_deferred() to avoid that. Reported-by: kernel test robot <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit cff20b3 upstream. To fix the build with newer gccs, that without this patch exit with: LD /tmp/build/perf/tests/perf-in.o ld: /tmp/build/perf/tests/bp_account.o:/git/perf/tools/perf/tests/bp_account.c:22: multiple definition of `the_var'; /tmp/build/perf/tests/bp_signal.o:/git/perf/tools/perf/tests/bp_signal.c:38: first defined here make[4]: *** [/git/perf/tools/build/Makefile.build:145: /tmp/build/perf/tests/perf-in.o] Error 1 First noticed in fedora:rawhide/32 with: [perfbuilder@a5ff49d6e6e4 ~]$ gcc --version gcc (GCC) 10.0.1 20200216 (Red Hat 10.0.1-0.8) Reported-by: Jiri Olsa <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Namhyung Kim <[email protected]> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Cc: Ben Hutchings <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit ebcb946 upstream. It is possible to return a pointer to a local variable when looking up the architecture name for the running system and no normalization is done on that value, i.e. we may end up returning the uts.machine local variable. While this doesn't happen on most arches, as normalization takes place, lets fix this by making that a static variable and optimize it a bit by not always running uname(), only the first time. Noticed in fedora rawhide running with: [perfbuilder@a5ff49d6e6e4 ~]$ gcc --version gcc (GCC) 10.0.1 20200216 (Red Hat 10.0.1-0.8) Reported-by: Jiri Olsa <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Namhyung Kim <[email protected]> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Cc: Ben Hutchings <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
commit e4d9b04 upstream. Noticed with gcc 10 (fedora rawhide) that those variables were not being declared as static, so end up with: ld: /tmp/build/perf/bench/epoll-wait.o:/git/perf/tools/perf/bench/epoll-wait.c:93: multiple definition of `end'; /tmp/build/perf/bench/futex-hash.o:/git/perf/tools/perf/bench/futex-hash.c:40: first defined here ld: /tmp/build/perf/bench/epoll-wait.o:/git/perf/tools/perf/bench/epoll-wait.c:93: multiple definition of `start'; /tmp/build/perf/bench/futex-hash.o:/git/perf/tools/perf/bench/futex-hash.c:40: first defined here ld: /tmp/build/perf/bench/epoll-wait.o:/git/perf/tools/perf/bench/epoll-wait.c:93: multiple definition of `runtime'; /tmp/build/perf/bench/futex-hash.o:/git/perf/tools/perf/bench/futex-hash.c:40: first defined here ld: /tmp/build/perf/bench/epoll-ctl.o:/git/perf/tools/perf/bench/epoll-ctl.c:38: multiple definition of `end'; /tmp/build/perf/bench/futex-hash.o:/git/perf/tools/perf/bench/futex-hash.c:40: first defined here ld: /tmp/build/perf/bench/epoll-ctl.o:/git/perf/tools/perf/bench/epoll-ctl.c:38: multiple definition of `start'; /tmp/build/perf/bench/futex-hash.o:/git/perf/tools/perf/bench/futex-hash.c:40: first defined here ld: /tmp/build/perf/bench/epoll-ctl.o:/git/perf/tools/perf/bench/epoll-ctl.c:38: multiple definition of `runtime'; /tmp/build/perf/bench/futex-hash.o:/git/perf/tools/perf/bench/futex-hash.c:40: first defined here make[4]: *** [/git/perf/tools/build/Makefile.build:145: /tmp/build/perf/bench/perf-in.o] Error 1 Prefix those with bench__ and add them to bench/bench.h, so that we can share those on the tools needing to access those variables from signal handlers. Acked-by: Thomas Gleixner <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Davidlohr Bueso <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Link: http://lore.kernel.org/lkml/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Cc: Ben Hutchings <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
Tested-by: Shuah Khan <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
This is the 5.4.56 stable release Signed-off-by: Andrey Zhizhikin <[email protected]>
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[ Upstream commit f2d0505 ] Lockdep complains at boot: ============================= [ BUG: Invalid wait context ] 5.7.0-05093-g46d91ecd597b Freescale#98 Not tainted ----------------------------- swapper/1 is trying to lock: 0000000060931b98 (&desc[i].request_mutex){+.+.}-{3:3}, at: __setup_irq+0x11d/0x623 other info that might help us debug this: context-{4:4} 1 lock held by swapper/1: #0: 000000006074fed8 (sigio_spinlock){+.+.}-{2:2}, at: sigio_lock+0x1a/0x1c stack backtrace: CPU: 0 PID: 1 Comm: swapper Not tainted 5.7.0-05093-g46d91ecd597b Freescale#98 Stack: 7fa4fab0 6028dfd1 0000002a 6008bea5 7fa50700 7fa50040 7fa4fac0 6028e016 7fa4fb50 6007f6da 60959c18 00000000 Call Trace: [<60023a0e>] show_stack+0x13b/0x155 [<6028e016>] dump_stack+0x2a/0x2c [<6007f6da>] __lock_acquire+0x515/0x15f2 [<6007eb50>] lock_acquire+0x245/0x273 [<6050d9f1>] __mutex_lock+0xbd/0x325 [<6050dc76>] mutex_lock_nested+0x1d/0x1f [<6008e27e>] __setup_irq+0x11d/0x623 [<6008e8ed>] request_threaded_irq+0x169/0x1a6 [<60021eb0>] um_request_irq+0x1ee/0x24b [<600234ee>] write_sigio_irq+0x3b/0x76 [<600383ca>] sigio_broken+0x146/0x2e4 [<60020bd8>] do_one_initcall+0xde/0x281 Because we hold sigio_spinlock and then get into requesting an interrupt with a mutex. Change the spinlock to a mutex to avoid that. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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[ Upstream commit a61df3c ] syzkaller found the following JFFS2 splat: Unable to handle kernel paging request at virtual address dfffa00000000001 Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dfffa00000000001] address between user and kernel address ranges Internal error: Oops: 96000004 [Freescale#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 12745 Comm: syz-executor.5 Tainted: G S 5.9.0-rc8+ Freescale#98 Hardware name: linux,dummy-virt (DT) pstate: 20400005 (nzCv daif +PAN -UAO BTYPE=--) pc : jffs2_parse_param+0x138/0x308 fs/jffs2/super.c:206 lr : jffs2_parse_param+0x108/0x308 fs/jffs2/super.c:205 sp : ffff000022a57910 x29: ffff000022a57910 x28: 0000000000000000 x27: ffff000057634008 x26: 000000000000d800 x25: 000000000000d800 x24: ffff0000271a9000 x23: ffffa0001adb5dc0 x22: ffff000023fdcf00 x21: 1fffe0000454af2c x20: ffff000024cc9400 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffffa000102dbdd0 x15: 0000000000000000 x14: ffffa000109e44bc x13: ffffa00010a3a26c x12: ffff80000476e0b3 x11: 1fffe0000476e0b2 x10: ffff80000476e0b2 x9 : ffffa00010a3ad60 x8 : ffff000023b70593 x7 : 0000000000000003 x6 : 00000000f1f1f1f1 x5 : ffff000023fdcf00 x4 : 0000000000000002 x3 : ffffa00010000000 x2 : 0000000000000001 x1 : dfffa00000000000 x0 : 0000000000000008 Call trace: jffs2_parse_param+0x138/0x308 fs/jffs2/super.c:206 vfs_parse_fs_param+0x234/0x4e8 fs/fs_context.c:117 vfs_parse_fs_string+0xe8/0x148 fs/fs_context.c:161 generic_parse_monolithic+0x17c/0x208 fs/fs_context.c:201 parse_monolithic_mount_data+0x7c/0xa8 fs/fs_context.c:649 do_new_mount fs/namespace.c:2871 [inline] path_mount+0x548/0x1da8 fs/namespace.c:3192 do_mount+0x124/0x138 fs/namespace.c:3205 __do_sys_mount fs/namespace.c:3413 [inline] __se_sys_mount fs/namespace.c:3390 [inline] __arm64_sys_mount+0x164/0x238 fs/namespace.c:3390 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common.constprop.0+0x15c/0x598 arch/arm64/kernel/syscall.c:149 do_el0_svc+0x60/0x150 arch/arm64/kernel/syscall.c:195 el0_svc+0x34/0xb0 arch/arm64/kernel/entry-common.c:226 el0_sync_handler+0xc8/0x5b4 arch/arm64/kernel/entry-common.c:236 el0_sync+0x15c/0x180 arch/arm64/kernel/entry.S:663 Code: d2d40001 f2fbffe1 91002260 d343fc02 (38e16841) ---[ end trace 4edf690313deda44 ]--- This is because since ec10a24, the option parsing happens before fill_super and so the MTD device isn't associated with the filesystem. Defer the size check until there is a valid association. Fixes: ec10a24 ("vfs: Convert jffs2 to use the new mount API") Cc: <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Jamie Iles <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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Jan 6, 2021
[ Upstream commit a61df3c ] syzkaller found the following JFFS2 splat: Unable to handle kernel paging request at virtual address dfffa00000000001 Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dfffa00000000001] address between user and kernel address ranges Internal error: Oops: 96000004 [Freescale#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 12745 Comm: syz-executor.5 Tainted: G S 5.9.0-rc8+ Freescale#98 Hardware name: linux,dummy-virt (DT) pstate: 20400005 (nzCv daif +PAN -UAO BTYPE=--) pc : jffs2_parse_param+0x138/0x308 fs/jffs2/super.c:206 lr : jffs2_parse_param+0x108/0x308 fs/jffs2/super.c:205 sp : ffff000022a57910 x29: ffff000022a57910 x28: 0000000000000000 x27: ffff000057634008 x26: 000000000000d800 x25: 000000000000d800 x24: ffff0000271a9000 x23: ffffa0001adb5dc0 x22: ffff000023fdcf00 x21: 1fffe0000454af2c x20: ffff000024cc9400 x19: 0000000000000000 x18: 0000000000000000 x17: 0000000000000000 x16: ffffa000102dbdd0 x15: 0000000000000000 x14: ffffa000109e44bc x13: ffffa00010a3a26c x12: ffff80000476e0b3 x11: 1fffe0000476e0b2 x10: ffff80000476e0b2 x9 : ffffa00010a3ad60 x8 : ffff000023b70593 x7 : 0000000000000003 x6 : 00000000f1f1f1f1 x5 : ffff000023fdcf00 x4 : 0000000000000002 x3 : ffffa00010000000 x2 : 0000000000000001 x1 : dfffa00000000000 x0 : 0000000000000008 Call trace: jffs2_parse_param+0x138/0x308 fs/jffs2/super.c:206 vfs_parse_fs_param+0x234/0x4e8 fs/fs_context.c:117 vfs_parse_fs_string+0xe8/0x148 fs/fs_context.c:161 generic_parse_monolithic+0x17c/0x208 fs/fs_context.c:201 parse_monolithic_mount_data+0x7c/0xa8 fs/fs_context.c:649 do_new_mount fs/namespace.c:2871 [inline] path_mount+0x548/0x1da8 fs/namespace.c:3192 do_mount+0x124/0x138 fs/namespace.c:3205 __do_sys_mount fs/namespace.c:3413 [inline] __se_sys_mount fs/namespace.c:3390 [inline] __arm64_sys_mount+0x164/0x238 fs/namespace.c:3390 __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline] invoke_syscall arch/arm64/kernel/syscall.c:48 [inline] el0_svc_common.constprop.0+0x15c/0x598 arch/arm64/kernel/syscall.c:149 do_el0_svc+0x60/0x150 arch/arm64/kernel/syscall.c:195 el0_svc+0x34/0xb0 arch/arm64/kernel/entry-common.c:226 el0_sync_handler+0xc8/0x5b4 arch/arm64/kernel/entry-common.c:236 el0_sync+0x15c/0x180 arch/arm64/kernel/entry.S:663 Code: d2d40001 f2fbffe1 91002260 d343fc02 (38e16841) ---[ end trace 4edf690313deda44 ]--- This is because since ec10a24, the option parsing happens before fill_super and so the MTD device isn't associated with the filesystem. Defer the size check until there is a valid association. Fixes: ec10a24 ("vfs: Convert jffs2 to use the new mount API") Cc: <[email protected]> Cc: David Howells <[email protected]> Signed-off-by: Jamie Iles <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
LeBlue
pushed a commit
to LeBlue/linux-fslc
that referenced
this pull request
May 1, 2021
[ Upstream commit f2d0505 ] Lockdep complains at boot: ============================= [ BUG: Invalid wait context ] 5.7.0-05093-g46d91ecd597b Freescale#98 Not tainted ----------------------------- swapper/1 is trying to lock: 0000000060931b98 (&desc[i].request_mutex){+.+.}-{3:3}, at: __setup_irq+0x11d/0x623 other info that might help us debug this: context-{4:4} 1 lock held by swapper/1: #0: 000000006074fed8 (sigio_spinlock){+.+.}-{2:2}, at: sigio_lock+0x1a/0x1c stack backtrace: CPU: 0 PID: 1 Comm: swapper Not tainted 5.7.0-05093-g46d91ecd597b Freescale#98 Stack: 7fa4fab0 6028dfd1 0000002a 6008bea5 7fa50700 7fa50040 7fa4fac0 6028e016 7fa4fb50 6007f6da 60959c18 00000000 Call Trace: [<60023a0e>] show_stack+0x13b/0x155 [<6028e016>] dump_stack+0x2a/0x2c [<6007f6da>] __lock_acquire+0x515/0x15f2 [<6007eb50>] lock_acquire+0x245/0x273 [<6050d9f1>] __mutex_lock+0xbd/0x325 [<6050dc76>] mutex_lock_nested+0x1d/0x1f [<6008e27e>] __setup_irq+0x11d/0x623 [<6008e8ed>] request_threaded_irq+0x169/0x1a6 [<60021eb0>] um_request_irq+0x1ee/0x24b [<600234ee>] write_sigio_irq+0x3b/0x76 [<600383ca>] sigio_broken+0x146/0x2e4 [<60020bd8>] do_one_initcall+0xde/0x281 Because we hold sigio_spinlock and then get into requesting an interrupt with a mutex. Change the spinlock to a mutex to avoid that. Signed-off-by: Johannes Berg <[email protected]> Signed-off-by: Richard Weinberger <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
zandrey
pushed a commit
to zandrey/linux-fslc
that referenced
this pull request
Oct 14, 2021
commit 3958b9c upstream. Commit 3c73b81 ("x86/entry, selftests: Further improve user entry sanity checks") added a warning if AC is set when in the kernel. Commit 662a022 ("x86/entry: Fix AC assertion") changed the warning to only fire if the CPU supports SMAP. However, the warning can still trigger on a machine that supports SMAP but where it's disabled in the kernel config and when running the syscall_nt selftest, for example: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 49 at irqentry_enter_from_user_mode CPU: 0 PID: 49 Comm: init Tainted: G T 5.15.0-rc4+ Freescale#98 e6202628ee053b4f310759978284bd8bb0ce6905 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 RIP: 0010:irqentry_enter_from_user_mode ... Call Trace: ? irqentry_enter ? exc_general_protection ? asm_exc_general_protection ? asm_exc_general_protectio IS_ENABLED(CONFIG_X86_SMAP) could be added to the warning condition, but even this would not be enough in case SMAP is disabled at boot time with the "nosmap" parameter. To be consistent with "nosmap" behaviour, clear X86_FEATURE_SMAP when !CONFIG_X86_SMAP. Found using entry-fuzz + satrandconfig. [ bp: Massage commit message. ] Fixes: 3c73b81 ("x86/entry, selftests: Further improve user entry sanity checks") Fixes: 662a022 ("x86/entry: Fix AC assertion") Signed-off-by: Vegard Nossum <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
zandrey
pushed a commit
to zandrey/linux-fslc
that referenced
this pull request
Oct 14, 2021
commit 3958b9c upstream. Commit 3c73b81 ("x86/entry, selftests: Further improve user entry sanity checks") added a warning if AC is set when in the kernel. Commit 662a022 ("x86/entry: Fix AC assertion") changed the warning to only fire if the CPU supports SMAP. However, the warning can still trigger on a machine that supports SMAP but where it's disabled in the kernel config and when running the syscall_nt selftest, for example: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 49 at irqentry_enter_from_user_mode CPU: 0 PID: 49 Comm: init Tainted: G T 5.15.0-rc4+ Freescale#98 e6202628ee053b4f310759978284bd8bb0ce6905 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 RIP: 0010:irqentry_enter_from_user_mode ... Call Trace: ? irqentry_enter ? exc_general_protection ? asm_exc_general_protection ? asm_exc_general_protectio IS_ENABLED(CONFIG_X86_SMAP) could be added to the warning condition, but even this would not be enough in case SMAP is disabled at boot time with the "nosmap" parameter. To be consistent with "nosmap" behaviour, clear X86_FEATURE_SMAP when !CONFIG_X86_SMAP. Found using entry-fuzz + satrandconfig. [ bp: Massage commit message. ] Fixes: 3c73b81 ("x86/entry, selftests: Further improve user entry sanity checks") Fixes: 662a022 ("x86/entry: Fix AC assertion") Signed-off-by: Vegard Nossum <[email protected]> Signed-off-by: Borislav Petkov <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
linkjumper
pushed a commit
to linkjumper/linux-fslc
that referenced
this pull request
May 3, 2024
[ Upstream commit 244296c ] There are several places where either chan->lock or chan->vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like [ 31.077578] ------------[ cut here ]------------ [ 31.077831] WARNING: CPU: 2 PID: 40 at drivers/dma/xilinx/xilinx_dpdma.c:834 xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.077953] Modules linked in: [ 31.078019] CPU: 2 PID: 40 Comm: kworker/u12:1 Not tainted 6.6.20+ Freescale#98 [ 31.078102] Hardware name: xlnx,zynqmp (DT) [ 31.078169] Workqueue: events_unbound deferred_probe_work_func [ 31.078272] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.078377] pc : xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.078473] lr : xilinx_dpdma_chan_queue_transfer+0x270/0x5e0 [ 31.078550] sp : ffffffc083bb2e10 [ 31.078590] x29: ffffffc083bb2e10 x28: 0000000000000000 x27: ffffff880165a168 [ 31.078754] x26: ffffff880164e920 x25: ffffff880164eab8 x24: ffffff880164d480 [ 31.078920] x23: ffffff880165a148 x22: ffffff880164e988 x21: 0000000000000000 [ 31.079132] x20: ffffffc082aa3000 x19: ffffff880164e880 x18: 0000000000000000 [ 31.079295] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 31.079453] x14: 0000000000000000 x13: ffffff8802263dc0 x12: 0000000000000001 [ 31.079613] x11: 0001ffc083bb2e34 x10: 0001ff880164e98f x9 : 0001ffc082aa3def [ 31.079824] x8 : 0001ffc082aa3dec x7 : 0000000000000000 x6 : 0000000000000516 [ 31.079982] x5 : ffffffc7f8d43000 x4 : ffffff88003c9c40 x3 : ffffffffffffffff [ 31.080147] x2 : ffffffc7f8d43000 x1 : 00000000000000c0 x0 : 0000000000000000 [ 31.080307] Call trace: [ 31.080340] xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.080518] xilinx_dpdma_issue_pending+0x11c/0x120 [ 31.080595] zynqmp_disp_layer_update+0x180/0x3ac [ 31.080712] zynqmp_dpsub_plane_atomic_update+0x11c/0x21c [ 31.080825] drm_atomic_helper_commit_planes+0x20c/0x684 [ 31.080951] drm_atomic_helper_commit_tail+0x5c/0xb0 [ 31.081139] commit_tail+0x234/0x294 [ 31.081246] drm_atomic_helper_commit+0x1f8/0x210 [ 31.081363] drm_atomic_commit+0x100/0x140 [ 31.081477] drm_client_modeset_commit_atomic+0x318/0x384 [ 31.081634] drm_client_modeset_commit_locked+0x8c/0x24c [ 31.081725] drm_client_modeset_commit+0x34/0x5c [ 31.081812] __drm_fb_helper_restore_fbdev_mode_unlocked+0x104/0x168 [ 31.081899] drm_fb_helper_set_par+0x50/0x70 [ 31.081971] fbcon_init+0x538/0xc48 [ 31.082047] visual_init+0x16c/0x23c [ 31.082207] do_bind_con_driver.isra.0+0x2d0/0x634 [ 31.082320] do_take_over_console+0x24c/0x33c [ 31.082429] do_fbcon_takeover+0xbc/0x1b0 [ 31.082503] fbcon_fb_registered+0x2d0/0x34c [ 31.082663] register_framebuffer+0x27c/0x38c [ 31.082767] __drm_fb_helper_initial_config_and_unlock+0x5c0/0x91c [ 31.082939] drm_fb_helper_initial_config+0x50/0x74 [ 31.083012] drm_fbdev_dma_client_hotplug+0xb8/0x108 [ 31.083115] drm_client_register+0xa0/0xf4 [ 31.083195] drm_fbdev_dma_setup+0xb0/0x1cc [ 31.083293] zynqmp_dpsub_drm_init+0x45c/0x4e0 [ 31.083431] zynqmp_dpsub_probe+0x444/0x5e0 [ 31.083616] platform_probe+0x8c/0x13c [ 31.083713] really_probe+0x258/0x59c [ 31.083793] __driver_probe_device+0xc4/0x224 [ 31.083878] driver_probe_device+0x70/0x1c0 [ 31.083961] __device_attach_driver+0x108/0x1e0 [ 31.084052] bus_for_each_drv+0x9c/0x100 [ 31.084125] __device_attach+0x100/0x298 [ 31.084207] device_initial_probe+0x14/0x20 [ 31.084292] bus_probe_device+0xd8/0xdc [ 31.084368] deferred_probe_work_func+0x11c/0x180 [ 31.084451] process_one_work+0x3ac/0x988 [ 31.084643] worker_thread+0x398/0x694 [ 31.084752] kthread+0x1bc/0x1c0 [ 31.084848] ret_from_fork+0x10/0x20 [ 31.084932] irq event stamp: 64549 [ 31.084970] hardirqs last enabled at (64548): [<ffffffc081adf35c>] _raw_spin_unlock_irqrestore+0x80/0x90 [ 31.085157] hardirqs last disabled at (64549): [<ffffffc081adf010>] _raw_spin_lock_irqsave+0xc0/0xdc [ 31.085277] softirqs last enabled at (64503): [<ffffffc08001071c>] __do_softirq+0x47c/0x500 [ 31.085390] softirqs last disabled at (64498): [<ffffffc080017134>] ____do_softirq+0x10/0x1c [ 31.085501] ---[ end trace 0000000000000000 ]--- Fixes: 7cbb0c6 ("dmaengine: xilinx: dpdma: Add the Xilinx DisplayPort DMA engine driver") Signed-off-by: Sean Anderson <[email protected]> Reviewed-by: Tomi Valkeinen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Vinod Koul <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
otavio
pushed a commit
that referenced
this pull request
Jun 6, 2024
[ Upstream commit 244296c ] There are several places where either chan->lock or chan->vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like [ 31.077578] ------------[ cut here ]------------ [ 31.077831] WARNING: CPU: 2 PID: 40 at drivers/dma/xilinx/xilinx_dpdma.c:834 xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.077953] Modules linked in: [ 31.078019] CPU: 2 PID: 40 Comm: kworker/u12:1 Not tainted 6.6.20+ #98 [ 31.078102] Hardware name: xlnx,zynqmp (DT) [ 31.078169] Workqueue: events_unbound deferred_probe_work_func [ 31.078272] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 31.078377] pc : xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.078473] lr : xilinx_dpdma_chan_queue_transfer+0x270/0x5e0 [ 31.078550] sp : ffffffc083bb2e10 [ 31.078590] x29: ffffffc083bb2e10 x28: 0000000000000000 x27: ffffff880165a168 [ 31.078754] x26: ffffff880164e920 x25: ffffff880164eab8 x24: ffffff880164d480 [ 31.078920] x23: ffffff880165a148 x22: ffffff880164e988 x21: 0000000000000000 [ 31.079132] x20: ffffffc082aa3000 x19: ffffff880164e880 x18: 0000000000000000 [ 31.079295] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 31.079453] x14: 0000000000000000 x13: ffffff8802263dc0 x12: 0000000000000001 [ 31.079613] x11: 0001ffc083bb2e34 x10: 0001ff880164e98f x9 : 0001ffc082aa3def [ 31.079824] x8 : 0001ffc082aa3dec x7 : 0000000000000000 x6 : 0000000000000516 [ 31.079982] x5 : ffffffc7f8d43000 x4 : ffffff88003c9c40 x3 : ffffffffffffffff [ 31.080147] x2 : ffffffc7f8d43000 x1 : 00000000000000c0 x0 : 0000000000000000 [ 31.080307] Call trace: [ 31.080340] xilinx_dpdma_chan_queue_transfer+0x274/0x5e0 [ 31.080518] xilinx_dpdma_issue_pending+0x11c/0x120 [ 31.080595] zynqmp_disp_layer_update+0x180/0x3ac [ 31.080712] zynqmp_dpsub_plane_atomic_update+0x11c/0x21c [ 31.080825] drm_atomic_helper_commit_planes+0x20c/0x684 [ 31.080951] drm_atomic_helper_commit_tail+0x5c/0xb0 [ 31.081139] commit_tail+0x234/0x294 [ 31.081246] drm_atomic_helper_commit+0x1f8/0x210 [ 31.081363] drm_atomic_commit+0x100/0x140 [ 31.081477] drm_client_modeset_commit_atomic+0x318/0x384 [ 31.081634] drm_client_modeset_commit_locked+0x8c/0x24c [ 31.081725] drm_client_modeset_commit+0x34/0x5c [ 31.081812] __drm_fb_helper_restore_fbdev_mode_unlocked+0x104/0x168 [ 31.081899] drm_fb_helper_set_par+0x50/0x70 [ 31.081971] fbcon_init+0x538/0xc48 [ 31.082047] visual_init+0x16c/0x23c [ 31.082207] do_bind_con_driver.isra.0+0x2d0/0x634 [ 31.082320] do_take_over_console+0x24c/0x33c [ 31.082429] do_fbcon_takeover+0xbc/0x1b0 [ 31.082503] fbcon_fb_registered+0x2d0/0x34c [ 31.082663] register_framebuffer+0x27c/0x38c [ 31.082767] __drm_fb_helper_initial_config_and_unlock+0x5c0/0x91c [ 31.082939] drm_fb_helper_initial_config+0x50/0x74 [ 31.083012] drm_fbdev_dma_client_hotplug+0xb8/0x108 [ 31.083115] drm_client_register+0xa0/0xf4 [ 31.083195] drm_fbdev_dma_setup+0xb0/0x1cc [ 31.083293] zynqmp_dpsub_drm_init+0x45c/0x4e0 [ 31.083431] zynqmp_dpsub_probe+0x444/0x5e0 [ 31.083616] platform_probe+0x8c/0x13c [ 31.083713] really_probe+0x258/0x59c [ 31.083793] __driver_probe_device+0xc4/0x224 [ 31.083878] driver_probe_device+0x70/0x1c0 [ 31.083961] __device_attach_driver+0x108/0x1e0 [ 31.084052] bus_for_each_drv+0x9c/0x100 [ 31.084125] __device_attach+0x100/0x298 [ 31.084207] device_initial_probe+0x14/0x20 [ 31.084292] bus_probe_device+0xd8/0xdc [ 31.084368] deferred_probe_work_func+0x11c/0x180 [ 31.084451] process_one_work+0x3ac/0x988 [ 31.084643] worker_thread+0x398/0x694 [ 31.084752] kthread+0x1bc/0x1c0 [ 31.084848] ret_from_fork+0x10/0x20 [ 31.084932] irq event stamp: 64549 [ 31.084970] hardirqs last enabled at (64548): [<ffffffc081adf35c>] _raw_spin_unlock_irqrestore+0x80/0x90 [ 31.085157] hardirqs last disabled at (64549): [<ffffffc081adf010>] _raw_spin_lock_irqsave+0xc0/0xdc [ 31.085277] softirqs last enabled at (64503): [<ffffffc08001071c>] __do_softirq+0x47c/0x500 [ 31.085390] softirqs last disabled at (64498): [<ffffffc080017134>] ____do_softirq+0x10/0x1c [ 31.085501] ---[ end trace 0000000000000000 ]--- Fixes: 7cbb0c6 ("dmaengine: xilinx: dpdma: Add the Xilinx DisplayPort DMA engine driver") Signed-off-by: Sean Anderson <[email protected]> Reviewed-by: Tomi Valkeinen <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Vinod Koul <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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Automatic merge performed, no conflicts reported.
Build and boot tested on imx8mmevk, result - Pass.
-- andrey