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b186b18efdff219002298f3d87714cf5784b1926
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio/proximity: semtech,sx9360: Fix 'semtech,resolution' type
Problem Details: 'semtech,resolution' is a single value, not an array. Note that it is also defined as a string in semtech,sx9310.yaml. Sigh. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230125221404.3057806-1-robh@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.c...
```diff diff --git a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml b/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml index f088c5d2be99..ad0bb44f41b6 100644 --- a/Documentation/devicetree/bindings/iio/proximity/semtech,sx9360.yaml +++ b/Documentation/devicetree/bindings/iio/pro...
c612bcb75fa17807f17ef2dbb1b56fde7234bd9f
Analyze and fix the following issue in the Linux kernel code: iio: imu: fix spdx format
Problem Details: checkpatch reports WARNING: Missing or malformed SPDX-License-Identifier tag in line 1 FILE: drivers/iio/imu/bno055/bno055_ser_trace.c:1: +//SPDX-License-Identifier: GPL-2.0 Add a space Fixes: 2eef5a9cc643 ("iio: imu: add BNO055 serdev driver") Signed-off-by: Tom Rix <trix@redhat.com> Link: https://l...
```diff diff --git a/drivers/iio/imu/bno055/bno055_ser_trace.c b/drivers/iio/imu/bno055/bno055_ser_trace.c index 48397b66daef..ab564186d19c 100644 --- a/drivers/iio/imu/bno055/bno055_ser_trace.c +++ b/drivers/iio/imu/bno055/bno055_ser_trace.c @@ -1,4 +1,4 @@ -//SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifi...
20d889a91ce94abfc9c240d19294ac1f2e716780
Analyze and fix the following issue in the Linux kernel code: iio: adc: imx93: Fix spelling mistake "geting" -> "getting"
Problem Details: Thrre is a spelling mistake in a dev_err_probe message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20230124100413.684416-1-colin.i.king@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
```diff diff --git a/drivers/iio/adc/imx93_adc.c b/drivers/iio/adc/imx93_adc.c index d8de8284e13d..a775d2e40567 100644 --- a/drivers/iio/adc/imx93_adc.c +++ b/drivers/iio/adc/imx93_adc.c @@ -315,7 +315,7 @@ static int imx93_adc_probe(struct platform_device *pdev) adc->regs = devm_platform_ioremap_resource(pdev, 0); ...
46908557a59ef8f470e4689e94a9cb06b284abb3
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: correct node names in examples
Problem Details: Do not use underscores and unneeded suffixes (e.g. i2c0) in node name in examples. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230124081037.31013-3-krzysztof.kozlowski@linaro.org Signed-off-by: Jonathan C...
```diff diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adis16201.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adis16201.yaml index 7332442e5661..b6ba7ad1a8d5 100644 --- a/Documentation/devicetree/bindings/iio/accel/adi,adis16201.yaml +++ b/Documentation/devicetree/bindings/iio/accel/adi,adis1620...
701c875aded880013aacac608832995c4b052257
Analyze and fix the following issue in the Linux kernel code: iio: adc: qcom-spmi-adc5: Fix the channel name
Problem Details: The node name can contain an address part which is unused by the driver. Moreover, this string is propagated into the userspace label, sysfs filenames *and breaking ABI*. Cut the address part out before assigning the channel name. Fixes: 4f47a236a23d ("iio: adc: qcom-spmi-adc5: convert to device prop...
```diff diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c index 821fee60a765..d1b86570768a 100644 --- a/drivers/iio/adc/qcom-spmi-adc5.c +++ b/drivers/iio/adc/qcom-spmi-adc5.c @@ -626,12 +626,20 @@ static int adc5_get_fw_channel_data(struct adc5_chip *adc, struct fwnode_handle *f...
a73c125bbbcf6185b5a77ae946aa240876b4fe71
Analyze and fix the following issue in the Linux kernel code: fpga: dfl: more kernel-doc corrections
Problem Details: Fix more kernel-doc warnings in drivers/fpga/: $ ./scripts/kernel-doc -none drivers/fpga/* drivers/fpga/dfl-afu.h:61: warning: expecting prototype for struct fpga_afu_dma_region. Prototype was for struct dfl_afu_dma_region instead drivers/fpga/dfl-afu-region.c:52: warning: Function parameter or member...
```diff diff --git a/drivers/fpga/dfl-afu-region.c b/drivers/fpga/dfl-afu-region.c index 0804b7a0c298..2e7b41629406 100644 --- a/drivers/fpga/dfl-afu-region.c +++ b/drivers/fpga/dfl-afu-region.c @@ -39,6 +39,7 @@ static struct dfl_afu_mmio_region *get_region_by_index(struct dfl_afu *afu, /** * afu_mmio_region_add - ...
782d8e61b5d6c15c5b7cfd5726da1f20f7cc8366
Analyze and fix the following issue in the Linux kernel code: fpga: dfl: kernel-doc corrections
Problem Details: Fix W=1 kernel-doc warnings in drivers/fpga/: drivers/fpga/dfl.c:54: warning: cannot understand function prototype: 'struct dfl_dev_info ' drivers/fpga/dfl.c:74: warning: cannot understand function prototype: 'struct dfl_chardev_info ' drivers/fpga/dfl-fme-pr.c:175: warning: Function parameter or memb...
```diff diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c index d61ce9a18879..cdcf6dea4cc9 100644 --- a/drivers/fpga/dfl-fme-pr.c +++ b/drivers/fpga/dfl-fme-pr.c @@ -164,7 +164,7 @@ free_exit: /** * dfl_fme_create_mgr - create fpga mgr platform device as child device - * + * @feature: sub feature ...
88e705697e801299a13ecaf2ba54599964fe711c
Analyze and fix the following issue in the Linux kernel code: fpga: microchip-spi: rewrite status polling in a time measurable way
Problem Details: Original busy loop with retries count in mpf_poll_status() is not too reliable, as it takes different times on different systems. Replace it with read_poll_timeout() macro. While at it, fix polling stop condition to met function's original intention declared in the comment. The issue with original pol...
```diff diff --git a/drivers/fpga/microchip-spi.c b/drivers/fpga/microchip-spi.c index bb69f5beefe7..137fafdf57a6 100644 --- a/drivers/fpga/microchip-spi.c +++ b/drivers/fpga/microchip-spi.c @@ -6,6 +6,7 @@ #include <asm/unaligned.h> #include <linux/delay.h> #include <linux/fpga/fpga-mgr.h> +#include <linux/iopoll.h...
1da53d23a41c5f77963984d8da5623ed56918ada
Analyze and fix the following issue in the Linux kernel code: fpga: microchip-spi: move SPI I/O buffers out of stack
Problem Details: As spi-summary doc says: > I/O buffers use the usual Linux rules, and must be DMA-safe. > You'd normally allocate them from the heap or free page pool. > Don't use the stack, or anything that's declared "static". Replace spi_write() with spi_write_then_read(), which is dma-safe for on-stack buffers...
```diff diff --git a/drivers/fpga/microchip-spi.c b/drivers/fpga/microchip-spi.c index 7436976ea904..bb69f5beefe7 100644 --- a/drivers/fpga/microchip-spi.c +++ b/drivers/fpga/microchip-spi.c @@ -42,46 +42,55 @@ struct mpf_priv { struct spi_device *spi; bool program_mode; + u8 tx __aligned(ARCH_KMALLOC_MINALIGN); +...
1ca7fca349316231bbaa68d16f819a08d683c5a7
Analyze and fix the following issue in the Linux kernel code: nvmem: qcom-spmi-sdam: fix module autoloading
Problem Details: Add the missing module device table so that the driver can be autoloaded when built as a module. Fixes: 40ce9798794f ("nvmem: add QTI SDAM driver") Cc: stable@vger.kernel.org # 5.6 Reviewed-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Signed-off-by: ...
```diff diff --git a/drivers/nvmem/qcom-spmi-sdam.c b/drivers/nvmem/qcom-spmi-sdam.c index 4fcb63507ecd..8499892044b7 100644 --- a/drivers/nvmem/qcom-spmi-sdam.c +++ b/drivers/nvmem/qcom-spmi-sdam.c @@ -166,6 +166,7 @@ static const struct of_device_id sdam_match_table[] = { { .compatible = "qcom,spmi-sdam" }, {}, ...
0c4862b1c1465e473bc961a02765490578bf5c20
Analyze and fix the following issue in the Linux kernel code: nvmem: core: fix return value
Problem Details: Dan Carpenter points out that the return code was not set in commit 60c8b4aebd8e ("nvmem: core: fix cleanup after dev_set_name()"), but this is not the only issue - we also need to zero wp_gpio to prevent gpiod_put() being called on an error value. Fixes: 560181d3ace6 ("nvmem: core: fix cleanup after ...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 563116405b3d..34ee9d36ee7b 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -783,6 +783,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) GPIOD_OUT_HIGH); if (IS_ERR(nvmem->wp_gpio)) { rval = ...
db3546d58b5a0fa581d9c9f2bdc2856fa6c5e43e
Analyze and fix the following issue in the Linux kernel code: nvmem: core: fix cell removal on error
Problem Details: nvmem_add_cells() could return an error after some cells are already added to the provider. In this case, the added cells are not removed. Remove any registered cells if nvmem_add_cells() fails. Fixes: fa72d847d68d7 ("nvmem: check the return value of nvmem_add_cells()") Cc: stable@vger.kernel.org Sign...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index cbe5df99db82..563116405b3d 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -847,7 +847,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) if (config->cells) { rval = nvmem_add_cells(nvmem, config->cells,...
edcf2fb660526b5ed29f93bd17328a2b4835c8b2
Analyze and fix the following issue in the Linux kernel code: nvmem: core: fix device node refcounting
Problem Details: In of_nvmem_cell_get(), of_get_next_parent() is used on cell_np. This will decrement the refcount on cell_np, but cell_np is still used later in the code. Use of_get_parent() instead and of_node_put() in the appropriate places. Fixes: 69aba7948cbe ("nvmem: Add a simple NVMEM framework for consumers") ...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index e92c6f1aadbb..cbe5df99db82 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1237,16 +1237,21 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id) if (!cell_np) return ERR_PTR(-ENOENT); - nvmem_np = o...
ab3428cfd9aa2f3463ee4b2909b5bb2193bd0c4a
Analyze and fix the following issue in the Linux kernel code: nvmem: core: fix registration vs use race
Problem Details: The i.MX6 CPU frequency driver sometimes fails to register at boot time due to nvmem_cell_read_u32() sporadically returning -ENOENT. This happens because there is a window where __nvmem_device_get() in of_nvmem_cell_get() is able to return the nvmem device, but as cells have been setup, nvmem_find_cel...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index ac77a019aed7..e92c6f1aadbb 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -832,22 +832,16 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) nvmem->dev.groups = nvmem_dev_groups; #endif - dev_dbg(&nvmem->...
560181d3ace61825f4ca9dd3481d6c0ee6709fa8
Analyze and fix the following issue in the Linux kernel code: nvmem: core: fix cleanup after dev_set_name()
Problem Details: If dev_set_name() fails, we leak nvmem->wp_gpio as the cleanup does not put this. While a minimal fix for this would be to add the gpiod_put() call, we can do better if we split device_register(), and use the tested nvmem_release() cleanup code by initialising the device early, and putting the device. ...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 608f3ad2e2e4..ac77a019aed7 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -772,14 +772,18 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) nvmem->id = rval; + nvmem->dev.type = &nvmem_provider_type; + ...
3bd747c7ea13cb145f0d84444e00df928b0842d9
Analyze and fix the following issue in the Linux kernel code: nvmem: core: initialise nvmem->id early
Problem Details: The error path for wp_gpio attempts to free the IDA nvmem->id, but this has yet to be assigned, so will always be zero - leaking the ID allocated by ida_alloc(). Fix this by moving the initialisation of nvmem->id earlier. Fixes: f7d8d7dcd978 ("nvmem: fix memory leak in error path") Cc: stable@vger.ker...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 321d7d63e068..7394a7598efa 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -770,6 +770,8 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config) return ERR_PTR(rval); } + nvmem->id = rval; + if (config->wp_...
c151d5ed8e8fe0474bd61dce7f2076ca5916c683
Analyze and fix the following issue in the Linux kernel code: nvmem: sunxi_sid: Always use 32-bit MMIO reads
Problem Details: The SID SRAM on at least some SoCs (A64 and D1) returns different values when read with bus cycles narrower than 32 bits. This is not immediately obvious, because memcpy_fromio() uses word-size accesses as long as enough data is being copied. The vendor driver always uses 32-bit MMIO reads, so do the ...
```diff diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c index 5750e1f4bcdb..92dfe4cb10e3 100644 --- a/drivers/nvmem/sunxi_sid.c +++ b/drivers/nvmem/sunxi_sid.c @@ -41,8 +41,21 @@ static int sunxi_sid_read(void *context, unsigned int offset, void *val, size_t bytes) { struct sunxi_sid *sid = ...
b0576ade3aaf24b376ea1a4406ae138e2a22b0c0
Analyze and fix the following issue in the Linux kernel code: nvmem: brcm_nvram: Add check for kzalloc
Problem Details: Add the check for the return value of kzalloc in order to avoid NULL pointer dereference. Fixes: 6e977eaa8280 ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells") Cc: stable@vger.kernel.org Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...
```diff diff --git a/drivers/nvmem/brcm_nvram.c b/drivers/nvmem/brcm_nvram.c index 34130449f2d2..39aa27942f28 100644 --- a/drivers/nvmem/brcm_nvram.c +++ b/drivers/nvmem/brcm_nvram.c @@ -98,6 +98,9 @@ static int brcm_nvram_parse(struct brcm_nvram *priv) len = le32_to_cpu(header.len); data = kzalloc(len, GFP_KERNE...
e3d6d152a1cbdee25f2e3962009a2751b54e2297
Analyze and fix the following issue in the Linux kernel code: net: wwan: t7xx: Fix Runtime PM initialization
Problem Details: For PCI devices the Runtime PM refcount is incremented twice: 1. During device enumeration with a call to pm_runtime_forbid. 2. Just before a driver probe logic is called. Because of that in order to enable Runtime PM on a given device we have to call both pm_runtime_allow and pm_runtime_put_noidle, on...
```diff diff --git a/drivers/net/wwan/t7xx/t7xx_pci.c b/drivers/net/wwan/t7xx/t7xx_pci.c index 871f2a27a398..226fc1703e90 100644 --- a/drivers/net/wwan/t7xx/t7xx_pci.c +++ b/drivers/net/wwan/t7xx/t7xx_pci.c @@ -121,6 +121,8 @@ void t7xx_pci_pm_init_late(struct t7xx_pci_dev *t7xx_dev) iowrite32(T7XX_L1_BIT(0), IREG_BA...
364d0221f1788e5225006ba7a0026e5968431c29
Analyze and fix the following issue in the Linux kernel code: net: wwan: t7xx: Fix Runtime PM resume sequence
Problem Details: Resume device before calling napi_schedule, instead of doing in the napi poll routine. Polling is done in softrq context. We can't call the PM resume logic from there as it's blocking and not irq safe. In order to make it work modify the interrupt handler to be run from irq handler thread. Fixes: 5545...
```diff diff --git a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif.c b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif.c index 7eff3531b9a5..7ff33c1d6ac7 100644 --- a/drivers/net/wwan/t7xx/t7xx_hif_dpmaif.c +++ b/drivers/net/wwan/t7xx/t7xx_hif_dpmaif.c @@ -152,6 +152,15 @@ static irqreturn_t t7xx_dpmaif_isr_handler(int irq, void *data) ...
ffe4c0f0bfaa571a676a0e946d4a6a0607f94294
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-compress.c: fixup private_data on snd_soc_new_compress()
Problem Details: commit d3268a40d4b19f ("ASoC: soc-compress.c: fix NULL dereference") enables DPCM capture, but it should independent from playback. This patch fixup it. Fixes: d3268a40d4b1 ("ASoC: soc-compress.c: fix NULL dereference") Link: https://lore.kernel.org/r/87tu0i6j7j.wl-kuninori.morimoto.gx@renesas.com Ack...
```diff diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 7bce5088b455..e7aa6f360cab 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -626,7 +626,7 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) rtd->fe_compr = 1; if (rtd->dai_link->dpcm_playback)...
dcf6d2ef0e823346a3c1eae3f96e733e92ca656c
Analyze and fix the following issue in the Linux kernel code: ASoC: Modified the schema binding and added the vendor prefixes.
Problem Details: Signed-off-by: Kiseok Jo <kiseok.jo@irondevice.com> Link: https://lore.kernel.org/r/20230126020156.3252-4-kiseok.jo@irondevice.com Signed-off-by: Mark Brown <broonie@kernel.org>
```diff diff --git a/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml b/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml new file mode 100644 index 000000000000..eb87374cc812 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/irondevice,sma1303.yaml @@ -0,0 +1,32 @@ +# SPDX-Licens...
b838792a624244bbd972ca691c4fd5272ccfdcf8
Analyze and fix the following issue in the Linux kernel code: arm64: dts: exynos: add VPH_PWR regulator on TM2
Problem Details: VPH_PWR is routed to battery, so it is not configurable. However few devices, e.g. WM5110 expect speaker power supplies, thus provide the regulator for full hardware description. Audio amplifier also accepts that power supply. Keep ordering the nodes by renaming existing IRDA regulator. This fixes ...
```diff diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi index 6f701297a665..3785a6580bdf 100644 --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi @@ -99,11 +99,18 @@ DIO...
60bd1d9008a50cc78c4033a16a6f5d78210d481c
Analyze and fix the following issue in the Linux kernel code: net: mctp: purge receive queues on sk destruction
Problem Details: We may have pending skbs in the receive queue when the sk is being destroyed; add a destructor to purge the queue. MCTP doesn't use the error queue, so only the receive_queue is purged. Fixes: 833ef3b91de6 ("mctp: Populate socket implementation") Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au> R...
```diff diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c index 45bbe3e54cc2..3150f3f0c872 100644 --- a/net/mctp/af_mctp.c +++ b/net/mctp/af_mctp.c @@ -587,6 +587,11 @@ static void mctp_sk_unhash(struct sock *sk) del_timer_sync(&msk->key_expiry); } +static void mctp_sk_destruct(struct sock *sk) +{ + skb_queue_p...
422ae7d9c7221e8d4c8526d0f54106307d69d2dc
Analyze and fix the following issue in the Linux kernel code: net: phy: dp83822: Fix null pointer access on DP83825/DP83826 devices
Problem Details: The probe() function is only used for the DP83822 PHY, leaving the private data pointer uninitialized for the smaller DP83825/26 models. While all uses of the private data structure are hidden in 82822 specific callbacks, configuring the interrupt is shared across all models. This causes a NULL pointer...
```diff diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c index a6f05e35d91f..b7cb71817780 100644 --- a/drivers/net/phy/dp83822.c +++ b/drivers/net/phy/dp83822.c @@ -233,7 +233,8 @@ static int dp83822_config_intr(struct phy_device *phydev) DP83822_ENERGY_DET_INT_EN | DP83822_LINK_QUAL_INT_EN)...
29de68c2b32ce58d64dea496d281e25ad0f551bd
Analyze and fix the following issue in the Linux kernel code: net: qrtr: free memory on error path in radix_tree_insert()
Problem Details: Function radix_tree_insert() returns errors if the node hasn't been initialized and added to the tree. "kfree(node)" and return value "NULL" of node_get() help to avoid using unclear node in other calls. Found by Linux Verification Center (linuxtesting.org) with SVACE. Cc: <stable@vger.kernel.org> #...
```diff diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c index 1990d496fcfc..e595079c2caf 100644 --- a/net/qrtr/ns.c +++ b/net/qrtr/ns.c @@ -83,7 +83,10 @@ static struct qrtr_node *node_get(unsigned int node_id) node->id = node_id; - radix_tree_insert(&nodes, node_id, node); + if (radix_tree_insert(&nodes, node_id, nod...
14caefcf9837a2be765a566005ad82cd0d2a429f
Analyze and fix the following issue in the Linux kernel code: net/rose: Fix to not accept on connected socket
Problem Details: If you call listen() and accept() on an already connect()ed rose socket, accept() can successfully connect. This is because when the peer socket sends data to sendmsg, the skb with its own sk stored in the connected socket's sk->sk_receive_queue is connected, and rose_accept() dequeues the skb waiting ...
```diff diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 36fefc3957d7..ca2b17f32670 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -488,6 +488,12 @@ static int rose_listen(struct socket *sock, int backlog) { struct sock *sk = sock->sk; + lock_sock(sk); + if (sock->state != SS_UNCONNECTED) { ...
ffffd2454a7a1bc9f7242b12c4cc0b05c12692b4
Analyze and fix the following issue in the Linux kernel code: sfc: correctly advertise tunneled IPv6 segmentation
Problem Details: Recent sfc NICs are TSO capable for some tunnel protocols. However, it was not working properly because the feature was not advertised in hw_enc_features, but in hw_features only. Setting up a GENEVE tunnel and using iperf3 to send IPv4 and IPv6 traffic to the tunnel show, with tcpdump, that the IPv4 ...
```diff diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 0556542d7a6b..3a86f1213a05 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1003,8 +1003,11 @@ static int efx_pci_probe_post_io(struct efx_nic *efx) /* Determine netdevice features */ net_d...
d8afe2f8a92d2aac3df645772f6ee61b0b2fc147
Analyze and fix the following issue in the Linux kernel code: netpoll: Remove 4s sleep during carrier detection
Problem Details: This patch removes the msleep(4s) during netpoll_setup() if the carrier appears instantly. Here are some scenarios where this workaround is counter-productive in modern ages: Servers which have BMC communicating over NC-SI via the same NIC as gets used for netconsole. BMC will keep the PHY up, hence ...
```diff diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 9be762e1d042..a089b704b986 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -682,7 +682,7 @@ int netpoll_setup(struct netpoll *np) } if (!netif_running(ndev)) { - unsigned long atmost, atleast; + unsigned long atmost; np_info(np,...
7d2c89b325874a35564db5630a459966afab04cc
Analyze and fix the following issue in the Linux kernel code: skb: Do mix page pool and page referenced frags in GRO
Problem Details: GSO should not merge page pool recycled frames with standard reference counted frames. Traditionally this didn't occur, at least not often. However as we start looking at adding support for wireless adapters there becomes the potential to mix the two due to A-MSDU repartitioning frames in the receive p...
```diff diff --git a/net/core/gro.c b/net/core/gro.c index 506f83d715f8..4bac7ea6e025 100644 --- a/net/core/gro.c +++ b/net/core/gro.c @@ -162,6 +162,15 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb) struct sk_buff *lp; int segs; + /* Do not splice page pool based packets w/ non-page pool + * pac...
ff445b8397745ea94675162faa0e9b0079ca521d
Analyze and fix the following issue in the Linux kernel code: net: dsa: mt7530: fix tristate and help description
Problem Details: Fix description for tristate and help sections which include inaccurate information. Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com> Link: https://lore.kernel.org/r/20230126190110.9124-1-arinc.unal@arinc9.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig index c26755f662c1..f6f3b43dfb06 100644 --- a/drivers/net/dsa/Kconfig +++ b/drivers/net/dsa/Kconfig @@ -35,12 +35,13 @@ config NET_DSA_LANTIQ_GSWIP the xrx200 / VR9 SoC. config NET_DSA_MT7530 - tristate "MediaTek MT753x and MT7621 Ethernet sw...
a3191c4d86c5d3bd35b00dfde6910b88391436a0
Analyze and fix the following issue in the Linux kernel code: dpaa2-eth: execute xdp_do_flush() before napi_complete_done()
Problem Details: Make sure that xdp_do_flush() is always executed before napi_complete_done(). This is important for two reasons. First, a redirect to an XSKMAP assumes that a call to xdp_do_redirect() from napi context X on CPU Y will be followed by a xdp_do_flush() from the same napi context and CPU. This is not guar...
```diff diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index 0c35abb7d065..2e79d18fc3c7 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -1993,10 +1993,15 @@ static int dpaa2_eth_poll...
b534013798b77f81a36f36dafd59bab9de837619
Analyze and fix the following issue in the Linux kernel code: dpaa_eth: execute xdp_do_flush() before napi_complete_done()
Problem Details: Make sure that xdp_do_flush() is always executed before napi_complete_done(). This is important for two reasons. First, a redirect to an XSKMAP assumes that a call to xdp_do_redirect() from napi context X on CPU Y will be followed by a xdp_do_flush() from the same napi context and CPU. This is not guar...
```diff diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 3f8032947d86..027fff9f7db0 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2410,6 +2410,9 @@ static int dpaa_eth_poll(struct nap...
ad7e615f646c9b5b2cf655cdfb9d91a28db4f25a
Analyze and fix the following issue in the Linux kernel code: virtio-net: execute xdp_do_flush() before napi_complete_done()
Problem Details: Make sure that xdp_do_flush() is always executed before napi_complete_done(). This is important for two reasons. First, a redirect to an XSKMAP assumes that a call to xdp_do_redirect() from napi context X on CPU Y will be followed by a xdp_do_flush() from the same napi context and CPU. This is not guar...
```diff diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 18b3de854aeb..6df14dd5bf46 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1677,13 +1677,13 @@ static int virtnet_poll(struct napi_struct *napi, int budget) received = virtnet_receive(rq, budget, &xdp_xmit); + ...
12b5717990c81fc2f6f2aa9d53d960b916478d4f
Analyze and fix the following issue in the Linux kernel code: lan966x: execute xdp_do_flush() before napi_complete_done()
Problem Details: Make sure that xdp_do_flush() is always executed before napi_complete_done(). This is important for two reasons. First, a redirect to an XSKMAP assumes that a call to xdp_do_redirect() from napi context X on CPU Y will be followed by a xdp_do_flush() from the same napi context and CPU. This is not guar...
```diff diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c index 5314c064ceae..55b484b10562 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c @@ -608,12 +608,12 @@ allocat...
2ccce20d51faa0178086163ccb6c84a099a87ab4
Analyze and fix the following issue in the Linux kernel code: qede: execute xdp_do_flush() before napi_complete_done()
Problem Details: Make sure that xdp_do_flush() is always executed before napi_complete_done(). This is important for two reasons. First, a redirect to an XSKMAP assumes that a call to xdp_do_redirect() from napi context X on CPU Y will be followed by a xdp_do_flush() from the same napi context and CPU. This is not guar...
```diff diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index 7c2af482192d..cb1746bc0e0c 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -1438,6 +1438,10 @@ int qede_poll(struct napi_struct *napi, int budget...
ac8810d2b6390df57f09c797b128e4eafe6c7332
Analyze and fix the following issue in the Linux kernel code: Input: ipaq-micro-ts - fix DEFINE_SIMPLE_DEV_PM_OPS typo
Problem Details: The previous change was not properly build tested and needs a trivial spelling change: ipaq-micro-ts.c:146:8: error: type defaults to 'int' in declaration of 'DEFINE_SIMPLE_DEV_PM' [-Werror=implicit-int] Fixes: 144ff5e03d74 ("Input: ipaq-micro-ts - use DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()") ...
```diff diff --git a/drivers/input/touchscreen/ipaq-micro-ts.c b/drivers/input/touchscreen/ipaq-micro-ts.c index d8e25b502968..94720c41c9be 100644 --- a/drivers/input/touchscreen/ipaq-micro-ts.c +++ b/drivers/input/touchscreen/ipaq-micro-ts.c @@ -143,8 +143,8 @@ static int micro_ts_resume(struct device *dev) return 0...
cdf657fc1f4c9758f86ae3adeb32ee68cbd90691
Analyze and fix the following issue in the Linux kernel code: amdgpu: fix build on non-DCN platforms.
Problem Details: This fixes the build here locally on my 32-bit arm build. Signed-off-by: Dave Airlie <airlied@redhat.com> (cherry picked from commit f439a959dcfb6b39d6fd4b85ca1110a1d1de1587) Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index bbe4486fda42..2e16b9e42ff1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -9689,8 +9689,6 @@ static int amdgpu_dm_at...
139df64d26fd5bb83cd04b330f7a849eefa1a889
Analyze and fix the following issue in the Linux kernel code: libbpf: Fix malformed documentation formatting
Problem Details: This fixes the doxygen format documentation above the user_ring_buffer__* APIs. There has to be a newline before the @brief, otherwise doxygen won't render them for libbpf.readthedocs.org. Signed-off-by: Grant Seltzer <grantseltzer@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-o...
```diff diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 898db26e42e9..830ad38e9f51 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -1064,7 +1064,8 @@ struct user_ring_buffer_opts { #define user_ring_buffer_opts__last_field sz -/* @brief **user_ring_buffer__new()** creates a n...
2fca4a33254eaaea08ec1df1ace5ce50a50de040
Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: Add Allwinner D1/D1s board vendors
Problem Details: Some boards using the Allwinner D1 or D1s SoC are made by vendors not previously documented. Clockwork Tech LLC (https://www.clockworkpi.com/) manufactures the ClockworkPi and DevTerm boards. Beijing Widora Technology Co., Ltd. (https://mangopi.cc/) manufactures the MangoPi family of boards. Acked-b...
```diff diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 70ffb3780621..8b0cb1dbebb5 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -264,6 +264,8 @@ patte...
623c0751336e4035ab0047f2c152a02bd26b612b
Analyze and fix the following issue in the Linux kernel code: cxl/mbox: Fix Payload Length check for Get Log command
Problem Details: Commit 2aeaf663b85e introduced strict checking for variable length payload size validation. The payload length of received data must match the size of the requested data by the caller except for the case where the min_out value is set. The Get Log command does not have a header with a length field set...
```diff diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index cae43cea00cd..202d49dd9911 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -170,6 +170,12 @@ int cxl_internal_send_cmd(struct cxl_dev_state *cxlds, out_size = mbox_cmd->size_out; min_out = mbox_cmd->min_out; rc = cx...
2177d4ae971f79b4a9a3c411f2fb8ae6113d1430
Analyze and fix the following issue in the Linux kernel code: ARM: dts: sun8i: nanopi-duo2: Fix regulator GPIO reference
Problem Details: The property named in the schema is 'enable-gpios', not 'enable-gpio'. This makes no difference at runtime, because the regulator is marked as always-on, but it breaks validation. Fixes: 4701fc6e5dd9 ("ARM: dts: sun8i: add FriendlyARM NanoPi Duo2") Reviewed-by: Andre Przywara <andre.przywara@arm.com> ...
```diff diff --git a/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts index 43641cb82398..343b02b97155 100644 --- a/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts +++ b/arch/arm/boot/dts/sun8i-h3-nanopi-duo2.dts @@ -57,7 +57,7 @@ regulator-ramp-delay = <50>; /* 4ms */ enable-a...
a5978fb368cacf1fc8d2780624d01cd0123c0f89
Analyze and fix the following issue in the Linux kernel code: ARM: dts: sunxi: Fix GPIO LED node names
Problem Details: These board devicetrees fail to validate because the gpio-leds schema requires its child nodes to have "led" in the node name. Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Link: https://l...
```diff diff --git a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts index a32cde3e32eb..5c3562b85a5b 100644 --- a/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts +++ b/arch/arm/boot/dts/sun5i-gr8-chip-pro.dts @@ -70,7 +70,7 @@ leds { compatible = "gpio-leds"; - status { + led-0 { ...
e9823f0fc375b87a461faaaeea886491660b3083
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Add a debug print on GuC triggered reset
Problem Details: For understanding bug reports, it can be useful to have an explicit dmesg print when a reset notification is received from GuC. As opposed to simply inferring that this happened from other messages. Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@in...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index 7adc35bd4435..2e6ab0bb5c2b 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -4666,6 +4666,10 @@ static void guc_handle...
e8a3319c31a14aa9925418bc7813c2866903b2c6
Analyze and fix the following issue in the Linux kernel code: drm/i915: Allow error capture without a request
Problem Details: There was a report of error captures occurring without any hung context being indicated despite the capture being initiated by a 'hung context notification' from GuC. The problem was not reproducible. However, it is possible to happen if the context in question has no active requests. For example, if t...
```diff diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index b20bd6365615..225f1b11a6b9 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -1370,14 +1370,14 @@ static void engine_record_execlists(struct intel_engine_coredump *ee)...
a4be3dca53172d9d2091e4b474fb795c81ed3d6c
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix up locking around dumping requests lists
Problem Details: The debugfs dump of requests was confused about what state requires the execlist lock versus the GuC lock. There was also a bunch of duplicated messy code between it and the error capture code. So refactor the hung request search into a re-usable function. And reduce the span of the execlist state loc...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h index 0e24af5efee9..b58c30ac8ef0 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine.h +++ b/drivers/gpu/drm/i915/gt/intel_engine.h @@ -250,8 +250,8 @@ void intel_engine_dump_active_requests(struct list_head *requests, k...
3700e353781e27f1bc7222f51f2cc36cbeb9b4ec
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix request ref counting during error capture & debugfs dump
Problem Details: When GuC support was added to error capture, the reference counting around the request object was broken. Fix it up. The context based search manages the spinlocking around the search internally. So it needs to grab the reference count internally as well. The execlist only request based search relies ...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index e94365b08f1e..2aa63ec521b8 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -528,7 +528,7 @@ retry: return rq; } -struct i915_request *intel_context_find...
d1c3717501bcf56536e8b8c1bdaf5cd5357f6bb2
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Fix locking when searching for a hung request
Problem Details: intel_guc_find_hung_context() was not acquiring the correct spinlock before searching the request list. So fix that up. While at it, add some extra whitespace padding for readability. Fixes: dc0dad365c5e ("drm/i915/guc: Fix for error capture after full GPU reset with GuC") Signed-off-by: John Harrison...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index b436dd7f12e4..3b34a82d692b 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -4820,6 +4820,8 @@ void intel_guc_find_hun...
9b469093d321f23adf13d966797f55242278c3b5
Analyze and fix the following issue in the Linux kernel code: drm/i915/pxp: Trigger the global teardown for before suspending
Problem Details: A driver bug was recently discovered where the security firmware was receiving internal HW signals indicating that session key expirations had occurred. Architecturally, the firmware was expecting a response from the GuC to acknowledge the event with the firmware side. However the OS was in a suspended...
```diff diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c index cfc9af8b3d21..9d4c7724e98e 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -270,6 +270,60 @@ static bool pxp_component_bound(struct intel_pxp *pxp) return bound; } ...
f17ef47b0442c284b71178a12e2865a85b895287
Analyze and fix the following issue in the Linux kernel code: mei: clean pending read with vtag on bus
Problem Details: Client on bus have only one vtag map slot and should disregard the vtag value when cleaning pending read flag. Fixes read flow control message unexpectedly generated when clent on bus send messages with different vtags. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Tomas ...
```diff diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 9ddb854b8155..5c19097266fe 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1343,7 +1343,9 @@ static void mei_cl_reset_read_by_vtag(const struct mei_cl *cl, u8 vtag) struct mei_cl_vtag *vtag_l; list_for_each...
aa85923a954e7704bc9d3847dabeb8540aa98d13
Analyze and fix the following issue in the Linux kernel code: crypto: hisilicon: Wipe entire pool on error
Problem Details: To work around a Clang __builtin_object_size bug that shows up under CONFIG_FORTIFY_SOURCE and UBSAN_BOUNDS, move the per-loop-iteration mem_block wipe into a single wipe of the entire pool structure after the loop. Reported-by: Nathan Chancellor <nathan@kernel.org> Link: https://github.com/ClangBuilt...
```diff diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c index 2b6f2281cfd6..0974b0041405 100644 --- a/drivers/crypto/hisilicon/sgl.c +++ b/drivers/crypto/hisilicon/sgl.c @@ -124,9 +124,8 @@ err_free_mem: for (j = 0; j < i; j++) { dma_free_coherent(dev, block_size, block[j].sgl, ...
36632d062975a9ff4410c90dd6d37922b68d0920
Analyze and fix the following issue in the Linux kernel code: io_uring: Replace 0-length array with flexible array
Problem Details: Zero-length arrays are deprecated[1]. Replace struct io_uring_buf_ring's "bufs" with a flexible array member. (How is the size of this array verified?) Detected with GCC 13, using -fstrict-flex-arrays=3: In function 'io_ring_buffer_select', inlined from 'io_buffer_select' at io_uring/kbuf.c:183:10...
```diff diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h index 2780bce62faf..434f62e0fb72 100644 --- a/include/uapi/linux/io_uring.h +++ b/include/uapi/linux/io_uring.h @@ -625,7 +625,7 @@ struct io_uring_buf_ring { __u16 resv3; __u16 tail; }; - struct io_uring_buf bufs[0]; + __DE...
118901ad1f25d2334255b3d50512fa20591531cd
Analyze and fix the following issue in the Linux kernel code: ext4: Fix function prototype mismatch for ext4_feat_ktype
Problem Details: With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG), indirect call targets are validated against the expected function pointer prototype to make sure the call target is valid to help mitigate ROP attacks. If they are not identical, there is a failure at run time, which manifests as eith...
```diff diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c index d233c24ea342..e2b8b3437c58 100644 --- a/fs/ext4/sysfs.c +++ b/fs/ext4/sysfs.c @@ -491,6 +491,11 @@ static void ext4_sb_release(struct kobject *kobj) complete(&sbi->s_kobj_unregister); } +static void ext4_feat_release(struct kobject *kobj) +{ + kfree(kobj...
16a738f2f6b31f9edf0691e0f357539f7ac66662
Analyze and fix the following issue in the Linux kernel code: i915/gvt: Replace one-element array with flexible-array member
Problem Details: One-element arrays are deprecated, and we are replacing them with flexible array members instead. So, replace one-element array with flexible-array member in struct gvt_firmware_header and refactor the rest of the code accordingly. Additionally, previous implementation was allocating 8 bytes more than...
```diff diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c index a683c22d5b64..dce93738e98a 100644 --- a/drivers/gpu/drm/i915/gvt/firmware.c +++ b/drivers/gpu/drm/i915/gvt/firmware.c @@ -45,7 +45,7 @@ struct gvt_firmware_header { u64 cfg_space_offset; /* offset in the file */ u64...
4076ea2419cf15bc1e1580f8b24ddf675fbdb02c
Analyze and fix the following issue in the Linux kernel code: drm/nouveau/disp: Fix nvif_outp_acquire_dp() argument size
Problem Details: Both Coverity and GCC with -Wstringop-overflow noticed that nvif_outp_acquire_dp() accidentally defined its second argument with 1 additional element: drivers/gpu/drm/nouveau/dispnv50/disp.c: In function 'nv50_pior_atomic_enable': drivers/gpu/drm/nouveau/dispnv50/disp.c:1813:17: error: 'nvif_outp_acqu...
```diff diff --git a/drivers/gpu/drm/nouveau/include/nvif/outp.h b/drivers/gpu/drm/nouveau/include/nvif/outp.h index 45daadec3c0c..fa76a7b5e4b3 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/outp.h +++ b/drivers/gpu/drm/nouveau/include/nvif/outp.h @@ -3,6 +3,7 @@ #define __NVIF_OUTP_H__ #include <nvif/object.h> #...
53b9b77dcf48dad1c6111b0c0a7310b3f9364776
Analyze and fix the following issue in the Linux kernel code: ice: Fix broken link in ice NAPI doc
Problem Details: Current link for NAPI documentation in ice driver doesn't work - it returns 404. Update the link to the working one. Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
```diff diff --git a/Documentation/networking/device_drivers/ethernet/intel/ice.rst b/Documentation/networking/device_drivers/ethernet/intel/ice.rst index dc2e60ced927..b481b81f3be5 100644 --- a/Documentation/networking/device_drivers/ethernet/intel/ice.rst +++ b/Documentation/networking/device_drivers/ethernet/intel/i...
a6a0974aae4209d039ba81226ded5246eea14961
Analyze and fix the following issue in the Linux kernel code: ice: Prevent set_channel from changing queues while RDMA active
Problem Details: The PF controls the set of queues that the RDMA auxiliary_driver requests resources from. The set_channel command will alter that pool and trigger a reconfiguration of the VSI, which breaks RDMA functionality. Prevent set_channel from executing when RDMA driver bound to auxiliary device. Adding a lo...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h index 2f0b604abc5e..713069f809ec 100644 --- a/drivers/net/ethernet/intel/ice/ice.h +++ b/drivers/net/ethernet/intel/ice/ice.h @@ -880,7 +880,7 @@ void ice_set_ethtool_repr_ops(struct net_device *netdev); void ice_set_ethto...
47e67cf317ed6ad22a3df9762daae75dfcba76a8
Analyze and fix the following issue in the Linux kernel code: x86/tdx: Relax SEPT_VE_DISABLE check for debug TD
Problem Details: A "SEPT #VE" occurs when a TDX guest touches memory that is not properly mapped into the "secure EPT". This can be the result of hypervisor attacks or bugs, *OR* guest bugs. Most notably, buggy guests might touch unaccepted memory for lots of different memory safety bugs like buffer overflows. TDX g...
```diff diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index fbb991362e4a..c4a1299a0691 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -38,6 +38,7 @@ #define VE_GET_PORT_NUM(e) ((e) >> 16) #define VE_IS_IO_STRING(e) ((e) & BIT(4)) +#define ATTR_DEBUG BIT(0) #define ATTR_SEPT...
dc4824faa265db1bc93449e8ec386a0245404fa6
Analyze and fix the following issue in the Linux kernel code: arm64: avoid executing padding bytes during kexec / hibernation
Problem Details: Currently we rely on the HIBERNATE_TEXT section starting with the entry point to swsusp_arch_suspend_exit, and the KEXEC_TEXT section starting with the entry point to arm64_relocate_new_kernel. In both cases we copy the entire section into a dynamically-allocated page, and then later branch to the star...
```diff diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index 4c13dafc98b8..1f6d75f78fd5 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -93,6 +93,7 @@ jiffies = jiffies_64; #ifdef CONFIG_HIBERNATION #define HIBERNATE_TEXT \ + ALIGN_FUNCTION()...
3543f8830babe2666051fb239545f51e0aae4c84
Analyze and fix the following issue in the Linux kernel code: x86/tdx: Fix typo in comment in __tdx_hypercall()
Problem Details: Comment in __tdx_hypercall() points that RAX==0 indicates TDVMCALL failure which is opposite of the truth: RAX==0 is success. Fix the comment. No functional changes. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Link: http...
```diff diff --git a/arch/x86/coco/tdx/tdcall.S b/arch/x86/coco/tdx/tdcall.S index f9eb1134f22d..74b108e94a0d 100644 --- a/arch/x86/coco/tdx/tdcall.S +++ b/arch/x86/coco/tdx/tdcall.S @@ -155,7 +155,7 @@ SYM_FUNC_START(__tdx_hypercall) tdcall /* - * RAX==0 indicates a failure of the TDVMCALL mechanism itself and ...
ce3ba2af9695e4bd64d797e0026321e5dca29dd3
Analyze and fix the following issue in the Linux kernel code: x86: Suppress KMSAN reports in arch_within_stack_frames()
Problem Details: arch_within_stack_frames() performs stack walking and may confuse KMSAN by stepping on stale shadow values. To prevent false positive reports, disable KMSAN checks in this function. This fixes KMSAN's interoperability with CONFIG_HARDENED_USERCOPY. Signed-off-by: Alexander Potapenko <glider@google.co...
```diff diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index f0cb881c1d69..f1cccba52eb9 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -163,7 +163,12 @@ struct thread_info { * GOOD_FRAME if within a frame * BAD_STACK if placed across...
856968e066bd77b113965f1a355ec7401edff65f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson: bananapi-m5: switch VDDIO_C pin to OPEN_DRAIN
Problem Details: For proper warm (re)boot from SD card the BPI-M5 board requires TFLASH_VDD_EN and VDDIO_C pins to be switched to high impedance mode. This can be achieved using OPEN_DRAIN instead of ACTIVE_HIGH to leave the GPIO pins in input mode and retain high state (pin has the pull-up). This change is inspired b...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts index bfc500df9dcb..b5866cb996c0 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts @@ -123,7 +123,7 @@ regula...
680d0c7960f12fc3852c70b2bab278cc5e70b88a
Analyze and fix the following issue in the Linux kernel code: drm/i915: Convert pll macros to _PICK_EVEN_2RANGES
Problem Details: Avoid the array lookup, converting the PLL macros after ICL to _PICK_EVEN_RANGES. This provides the following reduction in code size: $ size build64/drivers/gpu/drm/i915/i915.o{.old,.new} text data bss dec hex filename 4027456 185703 6984 4220143 4064ef build64/drivers/gpu/dr...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display_reg_defs.h b/drivers/gpu/drm/i915/display/intel_display_reg_defs.h index 02605418ff08..a4ed1c530799 100644 --- a/drivers/gpu/drm/i915/display/intel_display_reg_defs.h +++ b/drivers/gpu/drm/i915/display/intel_display_reg_defs.h @@ -34,7 +34,6 @@ #define _M...
6d8d5c6b643062a0dfc7632f7a73057e75fca057
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix coding style on DPLL*_ENABLE defines
Problem Details: Abide by the rules in the top of the header: 2 spaces for bitfield, prefix offsets with underscore and prefer the use of REG_BIT(). Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Link: htt...
```diff diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index bad36a67d873..ccd5466b11ea 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7224,20 +7224,20 @@ enum skl_power_gate { ADLS_DPCLKA_DDIK_SEL_MASK) /* ICL PLL */ -#define DPLL0_ENAB...
357513233d6456c9f99e34794897efd4ae907e83
Analyze and fix the following issue in the Linux kernel code: drm/i915: Add _PICK_EVEN_2RANGES()
Problem Details: It's a constant pattern in the driver to need to use 2 ranges of MMIOs based on port, phy, pll, etc. When that happens, instead of using _PICK_EVEN(), _PICK() needs to be used. Using _PICK() is discouraged due to some reasons like: 1) It increases the code size since the array is declared in each ...
```diff diff --git a/drivers/gpu/drm/i915/i915_reg_defs.h b/drivers/gpu/drm/i915/i915_reg_defs.h index be43580a6979..983c5aa3045b 100644 --- a/drivers/gpu/drm/i915/i915_reg_defs.h +++ b/drivers/gpu/drm/i915/i915_reg_defs.h @@ -119,6 +119,35 @@ */ #define _PICK_EVEN(__index, __a, __b) ((__a) + (__index) * ((__b) - (_...
eede42c9459b58b71edc99303dad65216a655810
Analyze and fix the following issue in the Linux kernel code: spi: spidev: fix a recursive locking error
Problem Details: When calling spidev_message() from the one of the ioctl() callbacks, the spi_lock is already taken. When we then end up calling spidev_sync(), we get the following splat: [ 214.047619] [ 214.049198] ============================================ [ 214.054533] WARNING: possible recursive locking detec...
```diff diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 1935ca613447..a1ea093795cf 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -89,10 +89,22 @@ MODULE_PARM_DESC(bufsiz, "data bytes in biggest supported SPI message"); /*---------------------------------------------------------------...
c63b8fd14a7db719f8252038a790638728c4eb66
Analyze and fix the following issue in the Linux kernel code: spi: dw: Fix wrong FIFO level setting for long xfers
Problem Details: Due to using the u16 type in the min_t() macros the SPI transfer length will be cast to word before participating in the conditional statement implied by the macro. Thus if the transfer length is greater than 64KB the Tx/Rx FIFO threshold level value will be determined by the leftover of the truncated ...
```diff diff --git a/drivers/spi/spi-dw-core.c b/drivers/spi/spi-dw-core.c index 99edddf9958b..c3bfb6c84cab 100644 --- a/drivers/spi/spi-dw-core.c +++ b/drivers/spi/spi-dw-core.c @@ -366,7 +366,7 @@ static void dw_spi_irq_setup(struct dw_spi *dws) * will be adjusted at the final stage of the IRQ-based SPI transfer ...
109d587a4b4d7ccca2200ab1f808f43ae23e2585
Analyze and fix the following issue in the Linux kernel code: MIPS: Fix a compilation issue
Problem Details: arch/mips/include/asm/mach-rc32434/pci.h:377: cc1: error: result of ‘-117440512 << 16’ requires 44 bits to represent, but ‘int’ only has 32 bits [-Werror=shift-overflow=] All bits in KORINA_STAT are already at the correct position, so there is no addtional shift needed. Signed-off-by: xurui <xurui@ky...
```diff diff --git a/arch/mips/include/asm/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h index 9a6eefd12757..3eb767c8a4ee 100644 --- a/arch/mips/include/asm/mach-rc32434/pci.h +++ b/arch/mips/include/asm/mach-rc32434/pci.h @@ -374,7 +374,7 @@ struct pci_msu { PCI_CFG04_STAT_SSE | \ PCI_CFG04...
345e3a95b2fb469eb62c54f650ffa560ba5ee79a
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Add dw_edma prefix to debugfs nodes descriptor
Problem Details: Other local names include a "dw_edma" prefix. Add a "dw_edma" prefix to the debugfs_entries structure, too, so it won't be confused with global debugfs things. Link: https://lore.kernel.org/r/20230113171409.30470-13-Sergey.Semin@baikalelectronics.ru Tested-by: Manivannan Sadhasivam <manivannan.sadhas...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c index 6e7f3ef60ca7..2121ffc33cf3 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c +++ b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c @@ -46,7 +46,7 @@ static struct { void __iomem *end; } lim[2][EDMA_V0_MAX_...
7ca9f025a731b3391f9321a324d8eb7a5b008c5a
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Drop unnecessary debugfs reg casts
Problem Details: The debugfs_entries structure declared in dw-edma-v0-debugfs.c contains the debugfs node register address. The address is declared as dma_addr_t type, but is cast to "void *". Change the type to "void __iomem *" and drop the unnecessary casts. Link: https://lore.kernel.org/r/20230113171409.30470-11-S...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c index 5226c9014703..8e61810dea4b 100644 --- a/drivers/dma/dw-edma/dw-edma-v0-debugfs.c +++ b/drivers/dma/dw-edma/dw-edma-v0-debugfs.c @@ -14,7 +14,7 @@ #include "dw-edma-core.h" #define REGS_ADDR(name) \ - ((voi...
2271216e0aac2409f2cd9a0650c460b89f7d2446
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Drop chancnt initialization
Problem Details: The DMA engine core manages dma_device.chancnt itself, e.g., in dma_async_device_register(). DMA device drivers should not initialize chancnt because it causes the wrong number of channels printed in the device summary. Drop the dw-edma chancnt initialization. Link: https://lore.kernel.org/r/2023011...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 6c9f95a8e397..ecd3e8f7ac5d 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -817,7 +817,6 @@ static int dw_edma_channel_setup(struct dw_edma *dw, bool write, dma->src_addr_widt...
aa92fa1e53befd7c0ff50f8346cb7980584f0beb
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Add PCI bus address getter to the remote EP glue driver
Problem Details: The Synopsys PCIe Endpoint IP prototype kit can be attached via any PCI host controller, including one where the PCI bus address space is different from the CPU address space. Therefore, we need to make sure the source and destination addresses of the DMA slave devices are converted to the PCI bus add...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c index 04c95cba1244..f530bacfd716 100644 --- a/drivers/dma/dw-edma/dw-edma-pcie.c +++ b/drivers/dma/dw-edma/dw-edma-pcie.c @@ -95,8 +95,23 @@ static int dw_edma_pcie_irq_vector(struct device *dev, unsigned int nr) return pci_i...
7ad06f218491bf30f13fd88933bb807de5330cdd
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Fix invalid interleaved xfers semantics
Problem Details: The interleaved DMA transfer support added by 85e7518f42c8 ("dmaengine: dw-edma: Add device_prep_interleave_dma() support") seems contradictory to what the DMA engine defines. The next conditional statements: if (!xfer->xfer.il->numf) return NULL; if (xfer->xfer.il->numf > 0 && xfer->xfer.il->...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 35588e14f79a..d5c4192141ef 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -332,6 +332,7 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer) struct dw_edma_chunk *chunk;...
c8ed49182286cb9c64f0c503b98090bd11a3fb60
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Don't permit non-inc interleaved xfers
Problem Details: The DW eDMA controller always increments both source and destination addresses. Permitting DMA interleaved transfers with no src_inc/dst_inc flags set may lead to unexpected behaviour for the device users. Terminate interleaved transfers if at least one of the dma_interleaved_template.{src_inc,dst_inc...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index 778d91d9fc1b..35588e14f79a 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -385,6 +385,8 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer) return NULL; if (xfer->...
13b6299cf66165a442089fa895a7f70250703584
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Fix missing src/dst address of interleaved xfers
Problem Details: Interleaved DMA transfer support was added by 85e7518f42c8 ("dmaengine: dw-edma: Add device_prep_interleave_dma() support"), but depending on the selected channel, either source or destination address are left uninitialized which was obviously wrong. Initialize the destination address of the eDMA burs...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index a8c1bd9c7ae9..778d91d9fc1b 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -455,6 +455,8 @@ dw_edma_device_transfer(struct dw_edma_transfer *xfer) * and destination addres...
002bbaa2f60e07d465f92a163365569481d34108
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Convert ll/dt phys address to PCI bus/DMA address
Problem Details: The dw_edma_region.paddr field should be a memory base address visible by the DW eDMA controller. If the DMA engine is embedded in the DW PCIe Host/Endpoint controller, the address should belong to the Local CPU/ Application memory. If eDMA is remotely accessible across the PCI bus via PCI memory IOs,...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c index d6b5e2463884..04c95cba1244 100644 --- a/drivers/dma/dw-edma/dw-edma-pcie.c +++ b/drivers/dma/dw-edma/dw-edma-pcie.c @@ -231,7 +231,7 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev, return -ENOMEM; ll_regio...
0278067445626de4d9c46919d0ee1af0b987ee45
Analyze and fix the following issue in the Linux kernel code: dmaengine: dw-edma: Release requested IRQs on failure
Problem Details: If dw_edma_irq_request() fails to initialize an IRQ handler, any previously requested IRQs will be left initialized. Release the previously requested IRQs in the cleanup-on-error path of dw_edma_irq_request(). Link: https://lore.kernel.org/r/20230113171409.30470-3-Sergey.Semin@baikalelectronics.ru Fi...
```diff diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c index c54b24ff5206..a8c1bd9c7ae9 100644 --- a/drivers/dma/dw-edma/dw-edma-core.c +++ b/drivers/dma/dw-edma/dw-edma-core.c @@ -893,10 +893,8 @@ static int dw_edma_irq_request(struct dw_edma *dw, dw_edma_interrupt_read, ...
37fe46051dc94c589b616018ba9d2fd4bacfbd8a
Analyze and fix the following issue in the Linux kernel code: dmaengine: Fix dma_slave_config.dst_addr description
Problem Details: The dst_addr member of the dma_slave_config structure has been mistakenly marked as ignored if the *source* address belongs to the memory. That is relevant to the src_addr field of the structure, while the dst_addr field contains a destination device address that should be ignored if the destination is...
```diff diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index c923f4e60f24..0c020682d894 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -394,7 +394,7 @@ enum dma_slave_buswidth { * should be read (RX), if the source is memory this argument is * ignored. * @dst_addr: t...
4a24f6e0cc17ba259d72c5f687dd8e02098a2b7e
Analyze and fix the following issue in the Linux kernel code: MIPS: OCTEON: octeon-usb: Consolidate error messages
Problem Details: Console output currently looks like USB clocks initialized succesfully even in case of error. Fix that and use consistently dev_err for fatal errors otherwise dev_warn. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
```diff diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c index 5cffe1ed2447..28677c615175 100644 --- a/arch/mips/cavium-octeon/octeon-usb.c +++ b/arch/mips/cavium-octeon/octeon-usb.c @@ -245,7 +245,7 @@ static int dwc3_octeon_config_power(struct device *dev, u64 base) power_a...
4f11ada10d0ad3fd53e2bd67806351de63a4f9c3
Analyze and fix the following issue in the Linux kernel code: ovl: fail on invalid uid/gid mapping at copy up
Problem Details: If st_uid/st_gid doesn't have a mapping in the mounter's user_ns, then copy-up should fail, just like it would fail if the mounter task was doing the copy using "cp -a". There's a corner case where the "cp -a" would succeed but copy up fail: if there's a mapping of the invalid uid/gid (65534 by defaul...
```diff diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 140f2742074d..c14e90764e35 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -1011,6 +1011,10 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, if (err) return err; + if (!kuid_has_mapping(curre...
baabaa505563362b71f2637aedd7b807d270656c
Analyze and fix the following issue in the Linux kernel code: ovl: fix tmpfile leak
Problem Details: Missed an error cleanup. Reported-by: syzbot+fd749a7ea127a84e0ffd@syzkaller.appspotmail.com Fixes: 2b1a77461f16 ("ovl: use vfs_tmpfile_open() helper") Cc: <stable@vger.kernel.org> # v6.1 Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
```diff diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 6e4e65ee050d..140f2742074d 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -792,7 +792,7 @@ static int ovl_copy_up_tmpfile(struct ovl_copy_up_ctx *c) if (!c->metacopy && c->stat.size) { err = ovl_copy_up_file(ofs, c->den...
36aa8c61af55675ed967900fbe5deb32d776f051
Analyze and fix the following issue in the Linux kernel code: drm/mediatek: Clean dangling pointer on bind error path
Problem Details: mtk_drm_bind() can fail, in which case drm_dev_put() is called, destroying the drm_device object. However a pointer to it was still being held in the private object, and that pointer would be passed along to DRM in mtk_drm_sys_prepare() if a suspend were triggered at that point, resulting in a panic. C...
```diff diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 4d552c260c91..4eb696c54311 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -520,6 +520,7 @@ static int mtk_drm_bind(struct device *dev) err_deinit: mtk_drm_km...
9ffa18884cceb2e5731e422140fad06292de0577
Analyze and fix the following issue in the Linux kernel code: gfs2: gl_object races fix
Problem Details: Function glock_clear_object() checks if the specified glock is still pointing at the right object and clears the gl_object pointer. To handle the case of incompletely constructed inodes, glock_clear_object() also allows gl_object to be NULL. However, in the teardown case, when iget_failed() is called...
```diff diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 524f3c96b9a4..2868e979810a 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -883,6 +883,7 @@ void glock_set_object(struct gfs2_glock *gl, void *object) /** * glock_clear_object - clear the gl_object field of a glock * @gl: the glock + * @object: obj...
5bf1e3bd7da625ccf9a22c8cb7d65271e6e47f4c
Analyze and fix the following issue in the Linux kernel code: drm/mediatek: mtk_drm_crtc: Add checks for devm_kcalloc
Problem Details: As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference. Fixes: 31c5558dae05 ("drm/mediatek: Refactor plane init") Signed-off-by: ruanjinjie <ruanjinjie@huawei.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Li...
```diff diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 112615817dcb..5071f1263216 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -945,6 +945,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, mtk_crtc-...
97efecfdbf6fe4915e7f71603b634d5ad3f210b1
Analyze and fix the following issue in the Linux kernel code: thermal: ACPI: Initialize trips if temperature is out of range
Problem Details: In some cases it is still useful to register a trip point if the temperature returned by the corresponding ACPI thermal object (for example, _HOT) is invalid to start with, because the same ACPI thermal object may start to return a valid temperature after a system configuration change (for example, fro...
```diff diff --git a/drivers/thermal/intel/intel_pch_thermal.c b/drivers/thermal/intel/intel_pch_thermal.c index cc4e9d28496b..45a9ea86907e 100644 --- a/drivers/thermal/intel/intel_pch_thermal.c +++ b/drivers/thermal/intel/intel_pch_thermal.c @@ -107,7 +107,7 @@ static void pch_wpt_add_acpi_psv_trip(struct pch_thermal_...
a9ad4d87aa263de36895402b66115a3a4b88bf1c
Analyze and fix the following issue in the Linux kernel code: btrfs: raid56: make error_bitmap update atomic
Problem Details: In the rework of raid56 code, there is very limited concurrency in the endio context. Most of the work is done inside the sectors arrays, which different bios will never touch the same sector. But there is a concurrency here for error_bitmap. Both read and write endio functions need to touch them, an...
```diff diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index f35898a78b16..ff4b1d583788 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1426,12 +1426,20 @@ static void rbio_update_error_bitmap(struct btrfs_raid_bio *rbio, struct bio *bi u32 bio_size = 0; struct bio_vec *bvec; struct bvec_iter_all i...
33e17b3f5ab74af12aca58c515bc8424ff69a343
Analyze and fix the following issue in the Linux kernel code: btrfs: send: limit number of clones and allocated memory size
Problem Details: The arg->clone_sources_count is u64 and can trigger a warning when a huge value is passed from user space and a huge array is allocated. Limit the allocated memory to 8MiB (can be increased if needed), which in turn limits the number of clone sources to 8M / sizeof(struct clone_root) = 8M / 40 = 209715...
```diff diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 67f7c698ade3..26dace7b74c6 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -8072,10 +8072,10 @@ long btrfs_ioctl_send(struct inode *inode, struct btrfs_ioctl_send_args *arg) /* * Check that we don't overflow at later allocations, we request * cl...
99343c46d4e2b34c285d3d5f68ff04274c2f9fb4
Analyze and fix the following issue in the Linux kernel code: drm/i915: Avoid potential vm use-after-free
Problem Details: Adding the vm to the vm_xa table makes it visible to userspace, which could try to race with us to close the vm. So we need to take our extra reference before putting it in the table. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Fixes: 9ec8795e7...
```diff diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 42a39e103d7c..6d639ca24dfb 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1860,11 +1860,19 @@ static int get_ppgtt(struct drm_i915_file_pri...
ef5c600adb1d985513d2b612cc90403a148ff287
Analyze and fix the following issue in the Linux kernel code: io_uring: always prep_async for drain requests
Problem Details: Drain requests all go through io_drain_req, which has a quick exit in case there is nothing pending (ie the drain is not useful). In that case it can run the issue the request immediately. However for safety it queues it through task work. The problem is that in this case the request is run asynchrono...
```diff diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 0a4efada9b3c..db623b3185c8 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1765,17 +1765,12 @@ queue: } spin_unlock(&ctx->completion_lock); - ret = io_req_prep_async(req); - if (ret) { -fail: - io_req_defer_failed(req, ret); - r...
ce43ea00b927805c1fd0450ccc9b4b6069e292c5
Analyze and fix the following issue in the Linux kernel code: arm64: dts: meson: radxa-zero: allow usb otg mode
Problem Details: Setting dr_mode to "host" prevents otg which can be useful on a board with limited connectivity options. So don't force host mode. Fixes: 26d1400f7457 ("arm64: dts: amlogic: add support for Radxa Zero") Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Acked-by: Neil Armstrong <neil.armstro...
```diff diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts index e3bb6df42ff3..cf0a9be83fc4 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-radxa-zero.dts @@ -401,5 +401,4 @@ &usb {...
47d586913f2abec4d240bae33417f537fda987ec
Analyze and fix the following issue in the Linux kernel code: fs: Use CHECK_DATA_CORRUPTION() when kernel bugs are detected
Problem Details: Currently, filp_close() and generic_shutdown_super() use printk() to log messages when bugs are detected. This is problematic because infrastructure like syzkaller has no idea that this message indicates a bug. In addition, some people explicitly want their kernels to BUG() when kernel data corruption ...
```diff diff --git a/fs/open.c b/fs/open.c index 82c1a28b3308..ceb88ac0ca3b 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1411,8 +1411,9 @@ int filp_close(struct file *filp, fl_owner_t id) { int retval = 0; - if (!file_count(filp)) { - printk(KERN_ERR "VFS: Close: file count is 0\n"); + if (CHECK_DATA_CORRUPTION(fil...
d2ceea0eb6e17bb37d8b85cb4c16797c0d683d1c
Analyze and fix the following issue in the Linux kernel code: dma-buf: actually set signaling bit for private stub fences
Problem Details: In dma_fence_allocate_private_stub() set the signaling bit of the newly allocated private stub fence rather than the signaling bit of the shared dma_fence_stub. Cc: <stable@vger.kernel.org> # v6.1 Fixes: c85d00d4fd8b ("dma-buf: set signaling bit for the stub fence") Reviewed-by: Christian König <chris...
```diff diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index 406b4e26f538..0de0482cd36e 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -167,7 +167,7 @@ struct dma_fence *dma_fence_allocate_private_stub(void) 0, 0); set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL...
677d85e1a1ee69fa05ccea83847309484be3781c
Analyze and fix the following issue in the Linux kernel code: tools: gpio: fix -c option of gpio-event-mon
Problem Details: Following line should listen for a rising edge and exit after the first one since '-c 1' is provided. # gpio-event-mon -n gpiochip1 -o 0 -r -c 1 It works with kernel 4.19 but it doesn't work with 5.10. In 5.10 the above command doesn't exit after the first rising edge it keep listening for an eve...
```diff diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c index 6c122952c589..5dee2b98ab60 100644 --- a/tools/gpio/gpio-event-mon.c +++ b/tools/gpio/gpio-event-mon.c @@ -86,6 +86,7 @@ int monitor_device(const char *device_name, gpiotools_test_bit(values.bits, i)); } + i = 0; while (1) { ...
b710ef411048cdbd0fb279b9529af2731fe97022
Analyze and fix the following issue in the Linux kernel code: gpio: ep93xx: remove unused variable
Problem Details: This one was left behind by a previous cleanup patch: drivers/gpio/gpio-ep93xx.c: In function 'ep93xx_gpio_add_bank': drivers/gpio/gpio-ep93xx.c:366:34: error: unused variable 'ic' [-Werror=unused-variable] Fixes: 216f37366e86 ("gpio: ep93xx: Make irqchip immutable") Signed-off-by: Arnd Bergmann <arn...
```diff diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c index 192be99b1392..6cedf46efec6 100644 --- a/drivers/gpio/gpio-ep93xx.c +++ b/drivers/gpio/gpio-ep93xx.c @@ -363,8 +363,6 @@ static int ep93xx_gpio_add_bank(struct ep93xx_gpio_chip *egc, girq = &gc->irq; if (bank->has_irq || bank->has_h...
91da7032d86a2aa2ae4b43d82008282bb672f9f2
Analyze and fix the following issue in the Linux kernel code: pinctrl: at91: fix deferred probing support
Problem Details: AT91 pinctrl deferred probing support is broken if the GPIO devices haven't probed first and set gpio_banks to non-zero. The later condition that only some GPIO devices haven't probed can't actually happen as either all the GPIO devices have probed first or none of them have. Plus the pinctrl driver ha...
```diff diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index 2b91816ca286..9a066355fd27 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1294,7 +1294,7 @@ static int at91_pinctrl_probe_dt(struct platform_device *pdev, struct at91_pinctrl *info) { ...
56d5f362ad0f8f60bc7c6fd5d7bc2b528d6963f5
Analyze and fix the following issue in the Linux kernel code: kobject: kset_uevent_ops: make uevent() callback take a const *
Problem Details: The uevent() callback in struct kset_uevent_ops does not modify the kobject passed into it, so make the pointer const to enforce this restriction. When doing so, fix up all existing uevent() callbacks to have the correct signature to preserve the build. Cc: Christine Caulfield <ccaulfie@redhat.com> C...
```diff diff --git a/drivers/base/core.c b/drivers/base/core.c index e39b6fa0eda6..e4b18f7ac58a 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2387,9 +2387,9 @@ static const char *dev_uevent_name(const struct kobject *kobj) return NULL; } -static int dev_uevent(struct kobject *kobj, struct kobj_uev...
d2d73e6d4822140445ad4a7b1c6091e0f5fe703b
Analyze and fix the following issue in the Linux kernel code: pinctrl: single: fix potential NULL dereference
Problem Details: Added checking of pointer "function" in pcs_set_mux(). pinmux_generic_get_function() can return NULL and the pointer "function" was dereferenced without checking against NULL. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 571aec4df5b7 ("pinctrl: single: Use generic pinmux h...
```diff diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 99c3745da456..190923757cda 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -372,6 +372,8 @@ static int pcs_set_mux(struct pinctrl_dev *pctldev, unsigned fselector, if (!pcs->fmask) ...
c6e0679b8381bf03315e6660cf5370f916c1a1c6
Analyze and fix the following issue in the Linux kernel code: pinctrl: amd: Fix debug output for debounce time
Problem Details: If one GPIO has debounce enabled but future GPIOs in the list don't have debounce the time never gets reset and shows wrong value. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20230121134812.16637-2-mario.limonciello@amd.com Signed-off-by: Linus Walleij ...
```diff diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 9bc6e3922e78..32c3edaf9038 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -365,6 +365,7 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc) } else { debounce_enab...
287a344a11f1ebd31055cf9b22c88d7005f108d7
Analyze and fix the following issue in the Linux kernel code: pinctrl: aspeed: Fix confusing types in return value
Problem Details: The function signature is int, but we return a bool. Instead return a negative errno as the kerneldoc suggests. Fixes: 4d3d0e4272d8 ("pinctrl: Add core support for Aspeed SoCs") Signed-off-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Andrew Jeffery <andrew@aj.id.au> Link: https://lore.kernel.org/r/2...
```diff diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c index 3945612900e6..b5ca4501a605 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c @@ -114,7 +114,7 @@ static int aspeed_disable_sig(struct aspeed_pinmux_data *ctx, i...
3f716a620e1314aa9abe69052bdc9df719372bd4
Analyze and fix the following issue in the Linux kernel code: devlink: put couple of WARN_ONs in devlink_param_driverinit_value_get()
Problem Details: Put couple of WARN_ONs in devlink_param_driverinit_value_get() function to clearly indicate, that it is a driver bug if used without reload support or for non-driverinit param. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Jacob Keller <jacob.e....
```diff diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c index 693470af548f..512ed4ccbdc7 100644 --- a/net/devlink/leftover.c +++ b/net/devlink/leftover.c @@ -10898,16 +10898,18 @@ int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id, { struct devlink_param_item *param_item; - i...