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2293cae703cda162684ae966db6b1b4a11b5e88f
Analyze and fix the following issue in the Linux kernel code: blk-mq: don't insert passthrough request into sw queue
Problem Details: In case of real io scheduler, q->elevator is set, so blk_mq_run_hw_queue() may just check if scheduler queue has request to dispatch, see __blk_mq_sched_dispatch_requests(). Then IO hang may be caused because all passthorugh requests may stay in sw queue. And any passthrough request should have been i...
```diff diff --git a/block/blk-mq.c b/block/blk-mq.c index 16c524e37123..720b5061ffe8 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2728,7 +2728,12 @@ static void blk_mq_dispatch_plug_list(struct blk_plug *plug, bool from_sched) percpu_ref_get(&this_hctx->queue->q_usage_counter); /* passthrough requests sh...
56e71bdf324d6ab263eba1fc3fa1f3fd8bb5678e
Analyze and fix the following issue in the Linux kernel code: block: fix the exclusive open mask in disk_scan_partitions
Problem Details: FMODE_EXEC has nothing to do with exclusive opens, and even is of the wrong type. We need to check for BLK_OPEN_EXCL here. Fixes: 985958b8584c ("block: fix wrong mode for blkdev_get_by_dev() from disk_scan_partitions()") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Christoph Hellwig ...
```diff diff --git a/block/genhd.c b/block/genhd.c index a94952ae9e39..3d287b32d50d 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -366,7 +366,7 @@ int disk_scan_partitions(struct gendisk *disk, blk_mode_t mode) } set_bit(GD_NEED_PART_SCAN, &disk->state); - bdev = blkdev_get_by_dev(disk_devt(disk), mode & ~FMO...
26fed83653d0154704cadb7afc418f315c7ac1f0
Analyze and fix the following issue in the Linux kernel code: io_uring/net: use the correct msghdr union member in io_sendmsg_copy_hdr
Problem Details: Rather than assign the user pointer to msghdr->msg_control, assign it to msghdr->msg_control_user to make sparse happy. They are in a union so the end result is the same, but let's avoid new sparse warnings and squash this one. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel...
```diff diff --git a/io_uring/net.c b/io_uring/net.c index 2bc2cb2f4d6c..c8a4b2ac00f7 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -203,7 +203,7 @@ static int io_sendmsg_copy_hdr(struct io_kiocb *req, ret = sendmsg_copy_msghdr(&iomsg->msg, sr->umsg, sr->msg_flags, &iomsg->free_iov); /* save msg_control...
b1dc492087db0f2e5a45f1072a743d04618dd6be
Analyze and fix the following issue in the Linux kernel code: io_uring/net: clear msg_controllen on partial sendmsg retry
Problem Details: If we have cmsg attached AND we transferred partial data at least, clear msg_controllen on retry so we don't attempt to send that again. Cc: stable@vger.kernel.org # 5.10+ Fixes: cac9e4418f4c ("io_uring/net: save msghdr->msg_control for retries") Reported-by: Stefan Metzmacher <metze@samba.org> Review...
```diff diff --git a/io_uring/net.c b/io_uring/net.c index 51b0f7fbb4f5..c0924ab1ea11 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -326,6 +326,8 @@ int io_sendmsg(struct io_kiocb *req, unsigned int issue_flags) if (ret == -EAGAIN && (issue_flags & IO_URING_F_NONBLOCK)) return io_setup_async_msg(req, kmsg,...
4be22f16a4a1a1667e79b52b56cca2c64b3747e2
Analyze and fix the following issue in the Linux kernel code: device_cgroup: Fix kernel-doc warnings in device_cgroup
Problem Details: Fix kernel-doc warnings in device_cgroup: security/device_cgroup.c:835: warning: Excess function parameter 'dev_cgroup' description in 'devcgroup_legacy_check_permission'. Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
```diff diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 41fca6487ca3..dc4df7475081 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -822,7 +822,6 @@ struct cgroup_subsys devices_cgrp_subsys = { /** * devcgroup_legacy_check_permission - checks if an inode operation is p...
a0238ada560fce7fa1b5fb3ace60c0a575d3131a
Analyze and fix the following issue in the Linux kernel code: Documentation/arm64: Add ptdump documentation
Problem Details: ptdump is a debugfs interface used to dump the kernel page tables. It provides a comprehensive overview about the kernel's virtual memory layout, page table entries and associated page attributes. A document detailing how to enable ptdump in the kernel and analyse its output has been added. Changes in...
```diff diff --git a/Documentation/arm64/index.rst b/Documentation/arm64/index.rst index ae21f8118830..08f80730d4ed 100644 --- a/Documentation/arm64/index.rst +++ b/Documentation/arm64/index.rst @@ -20,6 +20,7 @@ ARM64 Architecture memory-tagging-extension perf pointer-authentication + ptdump sil...
ffd791349859c47c50e1e423295b4f8912c45ee0
Analyze and fix the following issue in the Linux kernel code: arm64: defconfig: update RK8XX MFD config
Problem Details: Update the defconfig for the new RK8XX MFD config name, which got split to add SPI support. Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Fixes: c20e8c5b1203a ("mfd: rk808: Split into core and i2c") Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Arnd Bergm...
```diff diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 9bc78d0cb865..9138f1b571ca 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -693,7 +693,8 @@ CONFIG_MFD_MAX77620=y CONFIG_MFD_MT6360=y CONFIG_MFD_MT6397=y CONFIG_MFD_SPMI_PMIC=y -CONFIG_MFD_RK808=y +...
cf971df2cb464efcb27b943e9caa53a8097c72e4
Analyze and fix the following issue in the Linux kernel code: ARM: multi_v7_defconfig: update MFD_RK808 name
Problem Details: MFD_RK808 got split into an I2C and SPI part named MFD_RK8XX_I2C and MFD_RK8XX_SPI. Since there are no known ARMv7 boards using the SPI connected RK8XX chips (which are new), it is enough to just enable the I2C option. Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Fixes: c20e8c5b1203a ("mfd...
```diff diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 871fffe92187..f0800f806b5f 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -596,7 +596,7 @@ CONFIG_MFD_CPCAP=y CONFIG_MFD_PM8XXX=y CONFIG_MFD_QCOM_RPM=y CONFIG_MFD_SPMI_P...
2222214749a9969e09454b9ba7febfdfb09c1c8d
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-compress: Fix deadlock in soc_compr_open_fe
Problem Details: Modify the error handling flow by release lock. The require mutex will keep holding if open fail. Fixes: aa9ff6a4955f ("ASoC: soc-compress: Reposition and add pcm_mutex") Signed-off-by: yixuanjiang <yixuanjiang@google.com> Link: https://lore.kernel.org/r/20230619033127.2522477-1-yixuanjiang@google.com...
```diff diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index d8715db5e415..2117fd61cf8f 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -194,6 +194,7 @@ open_err: snd_soc_dai_compr_shutdown(cpu_dai, cstream, 1); out: dpcm_path_put(&list); + snd_soc_dpcm_mutex_unlock(fe); ...
6cd52a2a06774c6c454ffef084c3d9b17618ca23
Analyze and fix the following issue in the Linux kernel code: phy: qcom: qmp-combo: fix Display Port PHY configuration for SM8550
Problem Details: The SM8550 PHY also uses a different offset for the CMN_STATUS reg, use the right one for the v6 Display Port configuration. Fixes: 49742e9edab3 ("phy: qcom-qmp-combo: Add support for SM8550") Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.or...
```diff diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c index 33cc99d9c77d..bebce8c591a3 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c @@ -2151,6 +2151,7 @@ static void qmp_v4_configure_dp_tx(struct qmp_combo *qm...
37bd215fc48ef2a399f836d62d2e4a166efb31be
Analyze and fix the following issue in the Linux kernel code: phy: qualcomm: fix indentation in Makefile
Problem Details: Align all entries in Makefile. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Reviewed-by: Andrew Halaney <ahalaney@redhat.com> Link: https://lore.kernel.org/r/20230619091336.194914-2-brgl@bgdev.pl Signed-off-by: Vinod Koul <vkoul@kernel.org>
```diff diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile index de3dc9ccf067..5fb33628566b 100644 --- a/drivers/phy/qualcomm/Makefile +++ b/drivers/phy/qualcomm/Makefile @@ -20,4 +20,4 @@ obj-$(CONFIG_PHY_QCOM_USB_HSIC) += phy-qcom-usb-hsic.o obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb...
f4daceae4087bbb3e9a56044b44601d520d009d2
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: pcie: add device id 51F1 for killer 1675
Problem Details: Intel Killer AX1675i/s with device id 51f1 would show "No config found for PCI dev 51f1/1672" in dmesg and refuse to work. Add the new device id 51F1 for 1675i/s to fix the issue. Signed-off-by: Yi Kuo <yi@yikuo.dev> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kerne...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 41dbb9da8203..d3e0ea6aeb41 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -667,6 +667,8 @@ static const struct iwl_dev_info iwl_dev_...
3fd31289d5de8392c914db4f8cb36e0999afdac2
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: unify Bz/Gl device configurations
Problem Details: All the configurations for the various Bz/Gl devices are basically identical, except for Gl A-step and the firmware filename prefixes. Add some infrastructure to auto-generate the firmware filename prefix based on the detected MAC step and RF name/step, and remove all the unneeded configs. This reduc...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/bz.c b/drivers/net/wireless/intel/iwlwifi/cfg/bz.c index eb737e906df2..fe6166d364cf 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/bz.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/bz.c @@ -191,112 +191,8 @@ const struct iwl_cfg_trans_params iwl_bz_trans_...
5afe98b2e2995aa17ef77a29e57b1d98ccd6cd25
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: give Sc devices their own family
Problem Details: They're not the same as Bz or any prior ones, and there's already one place in the driver that would erroneously assign a workaround to A-step Sc devices if they're just treated as a version of Bz. Fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregor...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/sc.c b/drivers/net/wireless/intel/iwlwifi/cfg/sc.c index a294c88e6a65..296ac689d075 100644 --- a/drivers/net/wireless/intel/iwlwifi/cfg/sc.c +++ b/drivers/net/wireless/intel/iwlwifi/cfg/sc.c @@ -96,7 +96,7 @@ static const struct iwl_base_params iwl_sc_base_par...
de1076008148460fe273e6d39158faffcc954991
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: check only affected links
Problem Details: When hostapd starts up, it may start up with only one link while the other is still scanning for overlapping BSSes. A station might start to connect at this point, but we run into this warning instead. Since there's no need to check for _all_ links, restrict the check to just the affected links that th...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index f083ebda1e83..ce7905faa08f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -3836,6 +3836,7 @@ int iwl_mvm_mac_sta_sta...
1a528ab1da324d078ec60283c34c17848580df24
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: avoid baid size integer overflow
Problem Details: Roee reported various hard-to-debug crashes with pings in EHT aggregation scenarios. Enabling KASAN showed that we access the BAID allocation out of bounds, and looking at the code a bit shows that since the reorder buffer entry (struct iwl_mvm_reorder_buf_entry) is 128 bytes if debug such as lockdep i...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 37a52ffa8897..3b9a343d4f67 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2885,7 +2885,7 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm,...
2db72b8a700943aa54dce0aabe6ff1b72b615162
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: indicate HW decrypt for beacon protection
Problem Details: We've already done the 'decryption' here, so tell mac80211 it need not do it again. Fixes: b1fdc2505abc ("iwlwifi: mvm: advertise BIGTK client support if available") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.k...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 9dbe71d299ae..8d1e44fd9de7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -279,7 +279,8 @@ static void iwl_mvm_get_signal_strength(s...
26aa35e2c5a1cbb05e939c92464437e205dd0087
Analyze and fix the following issue in the Linux kernel code: wifi: iwlwifi: mvm: check the right csa_active
Problem Details: When the firmware says that the channel switch is happening, we check that we know about that switch by checking the csa_active bit. Until now, we checked the bss_conf from the vif instead of taking the bss_conf of the link. Fix that. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Sig...
```diff diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index b8143ae8b403..7369a45f7f2b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1763,6 +1763,7 @@ void iwl_mvm_channel_sw...
c0c2fcb1325d0d4f3b322b5ee49385f8eca2560d
Analyze and fix the following issue in the Linux kernel code: phy: tegra: xusb: Clear the driver reference in usb-phy dev
Problem Details: For the dual-role port, it will assign the phy dev to usb-phy dev and use the port dev driver as the dev driver of usb-phy. When we try to destroy the port dev, it will destroy its dev driver as well. But we did not remove the reference from usb-phy dev. This might cause the use-after-free issue in KA...
```diff diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c index b55d4e9f42b5..b5bad46a04a3 100644 --- a/drivers/phy/tegra/xusb.c +++ b/drivers/phy/tegra/xusb.c @@ -568,6 +568,7 @@ static void tegra_xusb_port_unregister(struct tegra_xusb_port *port) usb_role_switch_unregister(port->usb_role_sw); can...
2829b2fc8910984daa89be8005adbd9fb6205024
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix CRC calculation for extended elems
Problem Details: For extended elements, we currently only calculate the CRC for some of them, but really we should do it also for the rest that we care about, such as EHT operation and multi- link. Also, while at it, it seems we should do it even if they aren't well-formed, so we notice if that changes. Signed-off-by...
```diff diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 6c52c597c187..8a6917cf63cf 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -918,6 +918,7 @@ ieee80211_parse_extension_element(u32 *crc, struct ieee80211_elems_parse_params *params) { const void *data = elem->data + 1; + bool ca...
b8b80770b26c4591f20f1cde3328e5f1489c4488
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: avoid lockdep checking when removing deflink
Problem Details: struct sta_info may be removed without holding sta_mtx if it has not yet been inserted. To support this, only assert that the lock is held for links other than the deflink. This fixes lockdep issues that may be triggered in error cases. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Signed-of...
```diff diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 731b832b257c..7751f8ba960e 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -355,8 +355,9 @@ static void sta_remove_link(struct sta_info *sta, unsigned int link_id, struct sta_link_alloc *alloc = NULL; struct link_sta_...
a4857d1afdd1fa7ff763e1d07b1c2db521a5f9b1
Analyze and fix the following issue in the Linux kernel code: soundwire: stream: Make master_list ordered to prevent deadlocks
Problem Details: Always add buses to the stream->master_list in a fixed order. The unique bus->id is used to order the adding of buses to the list. This prevents lockdep asserts and possible deadlocks on streams that have multiple buses. sdw_acquire_bus_lock() takes bus_lock in the order that buses are listed in stre...
```diff diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 93baca08a0de..d77a8a0d42c8 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1150,7 +1150,8 @@ static struct sdw_master_runtime *sdw_master_rt_alloc(struct sdw_bus *bus, struct sdw_stream_runtime *stre...
256a9978eb2be53d9d17705707a69ce0b65b4727
Analyze and fix the following issue in the Linux kernel code: soundwire: bus: Prevent lockdep asserts when stream has multiple buses
Problem Details: Give the bus_lock and msg_lock of each bus a different unique key so that it is possible to acquire the locks of multiple buses without lockdep asserting a possible deadlock. Using mutex_init() to initialize a mutex gives all those mutexes the same lock class. Lockdep checking treats it as an error to...
```diff diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index b44f8d0affa6..dba920ec88f6 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -69,8 +69,17 @@ int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, return -EINVAL; } - mutex_init(&bus->msg_lock); - mutex_...
490937d479abe5f6584e69b96df066bc87be92e9
Analyze and fix the following issue in the Linux kernel code: soundwire: qcom: fix storing port config out-of-bounds
Problem Details: The 'qcom_swrm_ctrl->pconfig' has size of QCOM_SDW_MAX_PORTS (14), however we index it starting from 1, not 0, to match real port numbers. This can lead to writing port config past 'pconfig' bounds and overwriting next member of 'qcom_swrm_ctrl' struct. Reported also by smatch: drivers/soundwire/qc...
```diff diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c index f6adf2c6c1ac..7970fdb27ba0 100644 --- a/drivers/soundwire/qcom.c +++ b/drivers/soundwire/qcom.c @@ -202,7 +202,8 @@ struct qcom_swrm_ctrl { u32 intr_mask; u8 rcmd_id; u8 wcmd_id; - struct qcom_swrm_port_config pconfig[QCOM_SDW_MAX_PORT...
6c50384ef8b94a527445e3694ae6549e1f15d859
Analyze and fix the following issue in the Linux kernel code: hwtracing: hisi_ptt: Fix potential sleep in atomic context
Problem Details: We're using pci_irq_vector() to obtain the interrupt number and then bind it to the CPU start perf under the protection of spinlock in pmu::start(). pci_irq_vector() might sleep since [1] because it will call msi_domain_get_virq() to get the MSI interrupt number and it needs to acquire dev->msi.data->m...
```diff diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c index 103fb6b9bffb..ba081b6d2435 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.c +++ b/drivers/hwtracing/ptt/hisi_ptt.c @@ -341,13 +341,13 @@ static int hisi_ptt_register_irq(struct hisi_ptt *hisi_ptt) if (ret < 0) return ret; ...
ef0af9db2a21257885116949f471fe5565b2f0ab
Analyze and fix the following issue in the Linux kernel code: drm/i915/psr: Use hw.adjusted mode when calculating io/fast wake times
Problem Details: Encoder compute config is changing hw.adjusted mode. Uapi.adjusted mode doesn't get updated before psr compute config gets called. This causes io and fast wake line calculation using adjusted mode containing values before encoder adjustments. Fix this by using hw.adjusted mode instead of uapi.adjusted ...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index df517c395da7..04ab034a8d57 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -1044,9 +1044,9 @@ static bool _compute_psr2_wake_times(struct intel_dp *intel...
a1b828f202ae45b4fce4d21e83679605feb87862
Analyze and fix the following issue in the Linux kernel code: soundwire: intel_ace2x: fix SND_SOC_SOF_HDA_MLINK dependency
Problem Details: The ace2x driver can be build with or without mlink support, but when SND_SOC_SOF_HDA_MLINK is set to =m and soundwire is built-in, it fails with a link error: ld.lld: error: undefined symbol: hdac_bus_eml_sdw_wait_syncpu_unlocked >>> referenced by intel_ace2x.c >>> drivers/soundwire/int...
```diff diff --git a/drivers/soundwire/Kconfig b/drivers/soundwire/Kconfig index fa71c9a36df7..4d8f3b7024ae 100644 --- a/drivers/soundwire/Kconfig +++ b/drivers/soundwire/Kconfig @@ -37,6 +37,7 @@ config SOUNDWIRE_INTEL select SOUNDWIRE_GENERIC_ALLOCATION select AUXILIARY_BUS depends on ACPI && SND_SOC + depends ...
028f6055c912588e6f72722d89c30b401bbcf013
Analyze and fix the following issue in the Linux kernel code: udf: Fix uninitialized array access for some pathnames
Problem Details: For filenames that begin with . and are between 2 and 5 characters long, UDF charset conversion code would read uninitialized memory in the output buffer. The only practical impact is that the name may be prepended a "unification hash" when it is not actually needed but still it is good to fix this. R...
```diff diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c index ae6e809fa3aa..32c7f3d27f74 100644 --- a/fs/udf/unicode.c +++ b/fs/udf/unicode.c @@ -243,7 +243,7 @@ static int udf_name_from_CS0(struct super_block *sb, } if (translate) { - if (str_o_len <= 2 && str_o[0] == '.' && + if (str_o_len > 0 && str_o_len <...
28c11c29494f1b34e39641eead9c60a8bd26170d
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: fix not entering PS mode after AP stops
Problem Details: Without this patch, firmware only track beacons for port 0 and since we will always start AP on port 0, this results in misbehavior of power saving mode on other ports after AP stops. The "default port" H2C command is used to notify which port should firmware track. Update the correct settings to firm...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c index 5e329bb95bb8..567bbedd8ee0 100644 --- a/drivers/net/wireless/realtek/rtw88/fw.c +++ b/drivers/net/wireless/realtek/rtw88/fw.c @@ -519,6 +519,23 @@ void rtw_fw_query_bt_info(struct rtw_dev *rtwdev) rtw_fw_send_...
076f786a0ae14a81f40314b96a2d815e264bc213
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: Fix AP mode incorrect DTIM behavior
Problem Details: Broadcast and multicast packets in high queue should be transmitted all at once during DTIM. But without proper settings, hardware fails to recognize that there are multiple packets and fetches only one. Fix this by signaling hardware with more data bit set when there are packets in the high queue. Si...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c index 424102790283..aacea2098df8 100644 --- a/drivers/net/wireless/realtek/rtw88/mac80211.c +++ b/drivers/net/wireless/realtek/rtw88/mac80211.c @@ -453,6 +453,7 @@ static int rtw_ops_start_ap(struct ieee80...
2ce9a91fe8bfb0c8e647a6b7b88055881faf7502
Analyze and fix the following issue in the Linux kernel code: wifi: rtw88: Fix action frame transmission fail before association
Problem Details: For combo chips, antennas were controlled by bluetooth only during power on. If WiFi wish to do transmission, notification to the coexistence module are required. Previously we only do this before authentication. To allow transmission before auth, such as management TX, now we start the initiation of c...
```diff diff --git a/drivers/net/wireless/realtek/rtw88/ps.c b/drivers/net/wireless/realtek/rtw88/ps.c index 53933fb38a33..43e80a3a8136 100644 --- a/drivers/net/wireless/realtek/rtw88/ps.c +++ b/drivers/net/wireless/realtek/rtw88/ps.c @@ -18,6 +18,7 @@ static int rtw_ips_pwr_up(struct rtw_dev *rtwdev) if (ret) rtw...
6a567e920fd0451bf29abc418df96c3365925770
Analyze and fix the following issue in the Linux kernel code: fuse: ioctl: translate ENOSYS in outarg
Problem Details: Fuse shouldn't return ENOSYS from its ioctl implementation. If userspace responds with ENOSYS it should be translated to ENOTTY. There are two ways to return an error from the IOCTL request: - fuse_out_header.error - fuse_ioctl_out.result Commit 02c0cab8e734 ("fuse: ioctl: translate ENOSYS") alrea...
```diff diff --git a/fs/fuse/ioctl.c b/fs/fuse/ioctl.c index 8e01bfdfc430..726640fa439e 100644 --- a/fs/fuse/ioctl.c +++ b/fs/fuse/ioctl.c @@ -9,14 +9,23 @@ #include <linux/compat.h> #include <linux/fileattr.h> -static ssize_t fuse_send_ioctl(struct fuse_mount *fm, struct fuse_args *args) +static ssize_t fuse_send_...
db8eae6bc5c702d8e3ab2d0c6bb5976c131576eb
Analyze and fix the following issue in the Linux kernel code: bpf: Force kprobe multi expected_attach_type for kprobe_multi link
Problem Details: We currently allow to create perf link for program with expected_attach_type == BPF_TRACE_KPROBE_MULTI. This will cause crash when we call helpers like get_attach_cookie or get_func_ip in such program, because it will call the kprobe_multi's version (current->bpf_ctx context setup) of those helpers wh...
```diff diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 0c21d0d8efe4..f1c8733f76b8 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -3440,6 +3440,11 @@ static int bpf_prog_attach_check_attach_type(const struct bpf_prog *prog, return prog->enforce_expected_attach_type && prog->expect...
9724160b3942b0a967b91a59f81da5593f28b8ba
Analyze and fix the following issue in the Linux kernel code: bpf/btf: Accept function names that contain dots
Problem Details: When building a kernel with LLVM=1, LLVM_IAS=0 and CONFIG_KASAN=y, LLVM leaves DWARF tags for the "asan.module_ctor" & co symbols. In turn, pahole creates BTF_KIND_FUNC entries for these and this makes the BTF metadata validation fail because they contain a dot. In a dramatic turn of event, this BTF v...
```diff diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 6b682b8e4b50..72b32b7cd9cd 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -744,13 +744,12 @@ static bool btf_name_offset_valid(const struct btf *btf, u32 offset) return offset < btf->hdr.str_len; } -static bool __btf_name_char_ok(char c, bool ...
afd384f0dbea2229fd11159efb86a5b41051c4a9
Analyze and fix the following issue in the Linux kernel code: Revert "virtio-blk: support completion batching for the IRQ path"
Problem Details: This reverts commit 07b679f70d73483930e8d3c293942416d9cd5c13. This change appears to have broken things... We now see applications hanging during disk accesses. e.g. multi-port virtio-blk device running in h/w (FPGA) Host running a simple 'fio' test. [global] thread=1 direct=1 ioengine=libaio norandom...
```diff diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 2b918e28acaa..b47358da92a2 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -348,63 +348,33 @@ static inline void virtblk_request_done(struct request *req) blk_mq_end_request(req, status); } -static void v...
fcb79ee3f0b15ed15f35eca5f24e952fdced9c61
Analyze and fix the following issue in the Linux kernel code: ARM: dts: lan966x: kontron-d10: fix SPI CS
Problem Details: The pinctrl node was missing which change the pin mux to GPIO mode. Add it so we don't have to rely on the bootloader to set the correct mode. Fixes: 79d83b3a458e ("ARM: dts: lan966x: add basic Kontron KSwitch D10 support") Signed-off-by: Michael Walle <mwalle@kernel.org> Signed-off-by: Claudiu Beznea...
```diff diff --git a/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi b/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi index 42be207509a4..f4df4cc1dfa5 100644 --- a/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi +++ b/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi @@ -41,7 +41,7 @@ statu...
bfcd5714f6424c03e385e0e9296dcd69855cfea7
Analyze and fix the following issue in the Linux kernel code: ARM: dts: lan966x: kontron-d10: fix board reset
Problem Details: The pinctrl node was missing which change the pin mux to GPIO mode. Add it. Fixes: 79d83b3a458e ("ARM: dts: lan966x: add basic Kontron KSwitch D10 support") Signed-off-by: Michael Walle <mwalle@kernel.org> [claudiu.beznea: moved pinctrl-* bindings after compatible] Signed-off-by: Claudiu Beznea <claud...
```diff diff --git a/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi b/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi index 0097e72e3fb2..42be207509a4 100644 --- a/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi +++ b/arch/arm/boot/dts/lan966x-kontron-kswitch-d10-mmt.dtsi @@ -18,6 +18,8 @@ gpi...
d33ed97dcab3efd7baebfb68cd19ff12f6211448
Analyze and fix the following issue in the Linux kernel code: wifi: mac80211: fix documentation config reference
Problem Details: We shouldn't refer to CPTCFG_, that's for backports, in mainline that's just CONFIG_. Fix it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
```diff diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 914448cb0ecf..3a8a2d2c58c3 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3873,7 +3873,7 @@ struct ieee80211_prep_tx_info { * * @link_sta_add_debugfs: Drivers can use this callback to add debugfs files * when a link i...
2507135e4ff231a368eae38000a501da0b96c662
Analyze and fix the following issue in the Linux kernel code: readdir: Replace one-element arrays with flexible-array members
Problem Details: One-element arrays are deprecated, and we are replacing them with flexible array members instead. So, replace one-element arrays with flexible-array members in multiple structures. Address the following -Wstringop-overflow warnings seen when built m68k architecture with m5307c3_defconfig configuration...
```diff diff --git a/fs/readdir.c b/fs/readdir.c index 9c53edb60c03..b264ce60114d 100644 --- a/fs/readdir.c +++ b/fs/readdir.c @@ -131,7 +131,7 @@ struct old_linux_dirent { unsigned long d_ino; unsigned long d_offset; unsigned short d_namlen; - char d_name[1]; + char d_name[]; }; struct readdir_callback { @...
362f9c907fd8c2be3d5c5686ea787bca25443cdc
Analyze and fix the following issue in the Linux kernel code: perf jit: Fix incorrect file name in DWARF line table
Problem Details: Fixes an issue where an incorrect filename was added in the DWARF line table of an ELF object file when calling 'perf inject --jit' due to not checking the filename of a debug entry against the repeated name marker (/xff/0). The marker is mentioned in the tools/perf/util/jitdump.h header, which describ...
```diff diff --git a/tools/perf/util/genelf_debug.c b/tools/perf/util/genelf_debug.c index aa5dcc56b2ac..8588b3e35e00 100644 --- a/tools/perf/util/genelf_debug.c +++ b/tools/perf/util/genelf_debug.c @@ -337,6 +337,9 @@ static void emit_lineno_info(struct buffer_ext *be, { size_t i; + /* as described in the jitdump...
b0c5b4f1ee3687c57dab65ac0729a4d61967f032
Analyze and fix the following issue in the Linux kernel code: powerpc: powernv: Fix KCSAN datarace warnings on idle_state contention
Problem Details: The idle_state entry in the PACA on PowerNV features a bit which is atomically tested and set through ldarx/stdcx. to be used as a spinlock. This lock then guards access to other bit fields of idle_state. KCSAN cannot differentiate between any of these bitfield accesses as they all are implemented by 8...
```diff diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index da0377f46597..cb325938766a 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -191,6 +191,7 @@ struct paca_struct { #ifdef CONFIG_PPC_POWERNV /* PowerNV idle fields */ /* PNV_CORE_IDLE_* ...
4ca0d340ce206985d9b9956993d7c81eeb1d3198
Analyze and fix the following issue in the Linux kernel code: perf annotate: Fix instruction association and parsing for LoongArch
Problem Details: In the perf annotate view for LoongArch, there is no arrowed line pointing to the target from the branch instruction. This issue is caused by incorrect instruction association and parsing. $ perf record alloc-6276705c94ad1398 # rust benchmark $ perf report 0.28 │ ori $a1, $zero, 0x63 ...
```diff diff --git a/tools/perf/arch/loongarch/annotate/instructions.c b/tools/perf/arch/loongarch/annotate/instructions.c index ab21bf122135..98e19c5366ac 100644 --- a/tools/perf/arch/loongarch/annotate/instructions.c +++ b/tools/perf/arch/loongarch/annotate/instructions.c @@ -5,25 +5,115 @@ * Copyright (C) 2020-202...
e66effaf61ffb1dc6088492ca3a0e98dcbf1c10d
Analyze and fix the following issue in the Linux kernel code: security/integrity: fix pointer to ESL data and its size on pseries
Problem Details: On PowerVM guest, variable data is prefixed with 8 bytes of timestamp. Extract ESL by stripping off the timestamp before passing to ESL parser. Fixes: 4b3e71e9a34c ("integrity/powerpc: Support loading keys from PLPKS") Cc: stable@vger.kenrnel.org # v6.3 Signed-off-by: Nayna Jain <nayna@linux.ibm.com> ...
```diff diff --git a/security/integrity/platform_certs/load_powerpc.c b/security/integrity/platform_certs/load_powerpc.c index b9de70b90826..170789dc63d2 100644 --- a/security/integrity/platform_certs/load_powerpc.c +++ b/security/integrity/platform_certs/load_powerpc.c @@ -15,6 +15,9 @@ #include "keyring_handler.h" ...
c8eebc4a99f15280654f23e914e746c40a516e50
Analyze and fix the following issue in the Linux kernel code: powerpc/mm/dax: Fix the condition when checking if altmap vmemap can cross-boundary
Problem Details: Without this fix, the last subsection vmemmap can end up in memory even if the namespace is created with -M mem and has sufficient space in the altmap area. Fixes: cf387d9644d8 ("libnvdimm/altmap: Track namespace boundaries in altmap") Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Teste...
```diff diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 05b0d584e50b..fe1b83020e0d 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -189,7 +189,7 @@ static bool altmap_cross_boundary(struct vmem_altmap *altmap, unsigned long star unsigned long nr_pfn = page_size / siz...
0da90af431abc3f497a38ec9ef6e43b0d0dabe80
Analyze and fix the following issue in the Linux kernel code: powerpc/book3s64/mm: Fix DirectMap stats in /proc/meminfo
Problem Details: On memory unplug reduce DirectMap page count correctly. root@ubuntu-guest:# grep Direct /proc/meminfo DirectMap4k: 0 kB DirectMap64k: 0 kB DirectMap2M: 115343360 kB DirectMap1G: 0 kB Before fix: root@ubuntu-guest:# ndctl disable-namespace all disabled 1 namespace root@...
```diff diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index 5f8c6fbe8a69..cb11eda00400 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -745,9 +745,9 @@ static void free_pud_table(pud_t *pud_start, p4d_t *p4d) } ...
f0b6a834a8f0d267a112b150827bb65d4fdc471c
Analyze and fix the following issue in the Linux kernel code: smb: client: fix warning in generic_ip_connect()
Problem Details: This fixes the following warning reported by kernel test robot fs/smb/client/connect.c:2974 generic_ip_connect() error: we previously assumed 'socket' could be null (see line 2962) Link: https://lore.kernel.org/all/202306170124.CtQqzf0I-lkp@intel.com/ Signed-off-by: Paulo Alcantara (SUSE) <pc@man...
```diff diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c index f9e0b59802d5..972bc0804054 100644 --- a/fs/smb/client/connect.c +++ b/fs/smb/client/connect.c @@ -2934,11 +2934,11 @@ ip_rfc1001_connect(struct TCP_Server_Info *server) static int generic_ip_connect(struct TCP_Server_Info *server) { - int r...
215533f888dcf18f7cfbbf520bdd52e67ac6265a
Analyze and fix the following issue in the Linux kernel code: smb: client: fix warning in CIFSFindNext()
Problem Details: This fixes the following warning reported by kernel test robot fs/smb/client/cifssmb.c:4216 CIFSFindNext() warn: missing error code? 'rc' Link: https://lore.kernel.org/all/202306170124.CtQqzf0I-lkp@intel.com/ Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <st...
```diff diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c index 25d2509e520c..19f7385abeec 100644 --- a/fs/smb/client/cifssmb.c +++ b/fs/smb/client/cifssmb.c @@ -4099,11 +4099,12 @@ int CIFSFindNext(const unsigned int xid, struct cifs_tcon *tcon, TRANSACTION2_FNEXT_REQ *pSMB = NULL; TRANSACTION2_FNEXT_...
032137fe136a6073dcc699ee15fa3fd05fd77f21
Analyze and fix the following issue in the Linux kernel code: smb: client: fix warning in CIFSFindFirst()
Problem Details: This fixes the following warning reported by kernel test robot fs/smb/client/cifssmb.c:4089 CIFSFindFirst() warn: missing error code? 'rc' Link: https://lore.kernel.org/all/202306170124.CtQqzf0I-lkp@intel.com/ Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <s...
```diff diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c index 9d963caec35c..25d2509e520c 100644 --- a/fs/smb/client/cifssmb.c +++ b/fs/smb/client/cifssmb.c @@ -3958,11 +3958,12 @@ CIFSFindFirst(const unsigned int xid, struct cifs_tcon *tcon, TRANSACTION2_FFIRST_REQ *pSMB = NULL; TRANSACTION2_FFIRST_R...
12c30f33cc6769bf411088a2872843c4f9ea32f9
Analyze and fix the following issue in the Linux kernel code: smb: client: fix warning in cifs_smb3_do_mount()
Problem Details: This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifs_smb3_do_mount() warn: possible memory leak of 'cifs_sb' Link: https://lore.kernel.org/all/202306170124.CtQqzf0I-lkp@intel.com/ Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Ste...
```diff diff --git a/fs/smb/client/cifsfs.c b/fs/smb/client/cifsfs.c index 86ac620a9615..d499e18fefea 100644 --- a/fs/smb/client/cifsfs.c +++ b/fs/smb/client/cifsfs.c @@ -886,11 +886,11 @@ struct dentry * cifs_smb3_do_mount(struct file_system_type *fs_type, int flags, struct smb3_fs_context *old_ctx) { - int ...
f61d2d5cf142436cd1a02ddc78425e91116b8b0d
Analyze and fix the following issue in the Linux kernel code: sfc: fix uninitialized variable use
Problem Details: The new efx_bind_neigh() function contains a broken code path when IPV6 is disabled: drivers/net/ethernet/sfc/tc_encap_actions.c:144:7: error: variable 'n' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (encap->type & EFX_ENCAP_FLAG_IPV6) {...
```diff diff --git a/drivers/net/ethernet/sfc/tc_encap_actions.c b/drivers/net/ethernet/sfc/tc_encap_actions.c index aac259528e73..7e8bcdb222ad 100644 --- a/drivers/net/ethernet/sfc/tc_encap_actions.c +++ b/drivers/net/ethernet/sfc/tc_encap_actions.c @@ -164,6 +164,7 @@ static int efx_bind_neigh(struct efx_nic *efx, ...
40cba83370c2c97fd970cb0e273e76f99f0f2db6
Analyze and fix the following issue in the Linux kernel code: sfc: add CONFIG_INET dependency for TC offload
Problem Details: The driver now fails to link when CONFIG_INET is disabled, so add an explicit Kconfig dependency: ld.lld: error: undefined symbol: ip_route_output_flow >>> referenced by tc_encap_actions.c >>> drivers/net/ethernet/sfc/tc_encap_actions.o:(efx_tc_flower_create_encap_md) in archive vmlinux....
```diff diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig index 4af36ba8906b..3eb55dcfa8a6 100644 --- a/drivers/net/ethernet/sfc/Kconfig +++ b/drivers/net/ethernet/sfc/Kconfig @@ -50,6 +50,7 @@ config SFC_MCDI_MON config SFC_SRIOV bool "Solarflare SFC9100-family SR-IOV support" depen...
b7c31ccd60d1df4634670e3eb9902baa19b9517b
Analyze and fix the following issue in the Linux kernel code: net: phy-c45: Fix genphy_c45_ethtool_set_eee description
Problem Details: The text has been cut/paste from genphy_c45_ethtool_get_eee but not changed to reflect it performs set. Additionally, extend the comment. This function implements the logic that eee_enabled has global control over EEE. When eee_enabled is false, no link modes will be advertised, and as a result, the M...
```diff diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index fee514b96ab1..93ed07223377 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -1425,12 +1425,15 @@ int genphy_c45_ethtool_get_eee(struct phy_device *phydev, EXPORT_SYMBOL(genphy_c45_ethtool_get_eee); /** - * genp...
a129b41fe0a8b4da828c46b10f5244ca07a3fec3
Analyze and fix the following issue in the Linux kernel code: Revert "net: phy: dp83867: perform soft reset and retain established link"
Problem Details: This reverts commit da9ef50f545f86ffe6ff786174d26500c4db737a. This fixes a regression in which the link would come up, but no communication was possible. The reverted commit was also removing a comment about DP83867_PHYCR_FORCE_LINK_GOOD, this is not added back in this commits since it seems that thi...
```diff diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index 76f5a2402fb0..e397e7d642d9 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -936,7 +936,7 @@ static int dp83867_phy_reset(struct phy_device *phydev) { int err; - err = phy_write(phydev, DP83867_CTRL, DP83867_S...
634236b34d7a8c9e11c12b0746b83b8942fc8f2e
Analyze and fix the following issue in the Linux kernel code: net: remove sk_is_ipmr() and sk_is_icmpv6() helpers
Problem Details: Blamed commit added these helpers for sake of detecting RAW sockets specific ioctl. syzbot complained about it [1]. Issue here is that RAW sockets could pretend there was no need to call ipmr_sk_ioctl() Regardless of inet_sk(sk)->inet_num, we must be prepared for ipmr_ioctl() being called later. Thi...
```diff diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h index 1fe33e6741cc..db0f4fcfdaf4 100644 --- a/include/linux/icmpv6.h +++ b/include/linux/icmpv6.h @@ -111,10 +111,4 @@ static inline bool icmpv6_is_err(int type) return false; } -static inline int sk_is_icmpv6(struct sock *sk) -{ - return sk->sk_...
408c090002c8ca5da3da1417d1d675583379fae6
Analyze and fix the following issue in the Linux kernel code: net: mdio: fix the wrong parameters
Problem Details: PHY address and device address are passed in the wrong order. Cc: stable@vger.kernel.org Fixes: 4e4aafcddbbf ("net: mdio: Add dedicated C45 API to MDIO bus drivers") Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Russell King (Oracle) <rmk+ker...
```diff diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 389f33a12534..8b3618d3da4a 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -1287,7 +1287,7 @@ EXPORT_SYMBOL_GPL(mdiobus_modify_changed); * @mask: bit mask of bits to clear * @set: bit mask of bits to set ...
3a4f0edbb7939a16abb54668642ceed1decdbf4a
Analyze and fix the following issue in the Linux kernel code: ipv6: fix a typo in ip6mr_sk_ioctl()
Problem Details: SIOCGETSGCNT_IN6 uses a "struct sioc_sg_req6 buffer". Unfortunately the blamed commit made hard to ensure type safety. syzbot reported: BUG: KASAN: stack-out-of-bounds in ip6mr_ioctl+0xba3/0xcb0 net/ipv6/ip6mr.c:1917 Read of size 16 at addr ffffc900039afb68 by task syz-executor937/5008 CPU: 1 PID: ...
```diff diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h index 2f95d5b4e47a..63ef5191cc57 100644 --- a/include/linux/mroute6.h +++ b/include/linux/mroute6.h @@ -109,13 +109,13 @@ static inline int ip6mr_sk_ioctl(struct sock *sk, unsigned int cmd, struct sioc_mif_req6 buffer; return sock_ioctl_inou...
970ebb8a26a120340dcbb4e6c2fb4ecfbad0d190
Analyze and fix the following issue in the Linux kernel code: SafeSetID: fix UID printed instead of GID
Problem Details: pr_warn message clearly says that GID should be printed, but we have UID there. Let's fix that. Found accidentally during the work on isolated user namespaces. Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com> [PM: fix spelling errors in description, subject tweak] Signed-off...
```diff diff --git a/security/safesetid/lsm.c b/security/safesetid/lsm.c index e806739f7868..5be5894aa0ea 100644 --- a/security/safesetid/lsm.c +++ b/security/safesetid/lsm.c @@ -131,7 +131,7 @@ static int safesetid_security_capable(const struct cred *cred, * set*gid() (e.g. setting up userns gid mappings). */ ...
5e37ef5c2a5303d41842b8277770064632533318
Analyze and fix the following issue in the Linux kernel code: tools: Fix incorrect calculation of object size by sizeof
Problem Details: What we need to calculate is the size of the object, not the size of the pointer. Fixed: 51cfe7a3e87e ("perf python: Avoid 2 leak sanitizer issues") Signed-off-by: Li Dong <lidong@vivo.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Rogers <irogers@goo...
```diff diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 59063ec98619..25fcd6630a4d 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -771,12 +771,12 @@ sta...
53fc25b7f557089aff101235152ae4bff15c428a
Analyze and fix the following issue in the Linux kernel code: perf subcmd: Fix missing check for return value of malloc() in add_cmdname()
Problem Details: The malloc() function may return NULL when it fails, which may cause null pointer deference in add_cmdname(), add Null check for return value of malloc(). Found by our static analysis tool. Signed-off-by: Chenyuan Mi <cymi20@fudan.edu.cn> Acked-by: Ian Rogers <irogers@google.com> Cc: Leo Yan <leo.yan...
```diff diff --git a/tools/lib/subcmd/help.c b/tools/lib/subcmd/help.c index a66fb1a1a312..67a8d6b740ea 100644 --- a/tools/lib/subcmd/help.c +++ b/tools/lib/subcmd/help.c @@ -16,6 +16,8 @@ void add_cmdname(struct cmdnames *cmds, const char *name, size_t len) { struct cmdname *ent = malloc(sizeof(*ent) + len + 1); +...
bc06026d1420e006503c69dc6829cc45590db106
Analyze and fix the following issue in the Linux kernel code: perf parse: Add missing newline to pr_debug message in evsel__compute_group_pmu_name()
Problem Details: The newline is missing for pr_debug message in evsel__compute_group_pmu_name(), fix it. Before: # perf --debug verbose=2 record -e cpu-clock true <SNIP> No PMU found for 'cycles:u'No PMU found for 'instructions:u'------------------------------------------------------------ perf_event_attr: ...
```diff diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 2d36cadf35ec..bc7274641f34 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2036,7 +2036,7 @@ static int evsel__compute_group_pmu_name(struct evsel *evsel, pmu = perf_pmus__scan_core(NULL); ...
a1be9ccc57f07d54278be34eed6bd679bc941c97
Analyze and fix the following issue in the Linux kernel code: function_graph: Support recording and printing the return value of function
Problem Details: Analyzing system call failures with the function_graph tracer can be a time-consuming process, particularly when locating the kernel function that first returns an error in the trace logs. This change aims to simplify the process by recording the function return value to the 'retval' member of 'ftrace_...
```diff diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index b23bdd414394..49f279f4c3a1 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -1018,6 +1018,9 @@ struct ftrace_graph_ent { */ struct ftrace_graph_ret { unsigned long func; /* Current function */ +#ifdef CONFIG_FUNCTION_GRAP...
7e8d87e2da3b359ad73246233673a84c4dabfa07
Analyze and fix the following issue in the Linux kernel code: drm/i915/mtl: Fix SSC selection for MPLLA
Problem Details: Driver does not clear the default SSC for MPLLA. This causes link training failure when trying to use 10G and 20G rates. Fix the behaviour and enable ssc only when we really want. Fixes: 237e7be0bf57 ("drm/i915/mtl: For DP2.0 10G and 20G rates use MPLLA") Cc: Mika Kahola <mika.kahola@intel.com> Cc: Cl...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index f235df5646ed..1b00ef2c6185 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2434,7 +2434,8 @@ static void intel_program_port_clock_ctl(st...
42e344f01688490cdac4bed8f5ba21817cad26ee
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: Fix for deleting base chains with payload
Problem Details: When deleting a base chain, iptables-nft simply submits the whole chain to the kernel, including the NFTA_CHAIN_HOOK attribute. The new code added by fixed commit then turned this into a chain update, destroying the hook but not the chain itself. Detect the situation by checking if the chain type is ei...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index c1db2f4b2aa4..4c7937fd803f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2811,21 +2811,18 @@ static int nf_tables_newchain(struct sk_buff *skb, const struct nfnl_info *info, return nf_tables_a...
62f9a68a36d4441a6c412b81faed102594bc6670
Analyze and fix the following issue in the Linux kernel code: netfilter: nfnetlink_osf: fix module autoload
Problem Details: Move the alias from xt_osf to nfnetlink_osf. Fixes: f9324952088f ("netfilter: nfnetlink_osf: extract nfnetlink_subsystem code from xt_osf.c") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c index ee6840bd5933..8f1bfa6ccc2d 100644 --- a/net/netfilter/nfnetlink_osf.c +++ b/net/netfilter/nfnetlink_osf.c @@ -439,3 +439,4 @@ module_init(nfnl_osf_init); module_exit(nfnl_osf_fini); MODULE_LICENSE("GPL"); +MODULE_ALIAS_NFNL_SUB...
043d2acf57227db1fdaaa620b2a420acfaa56d6e
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: drop module reference after updating chain
Problem Details: Otherwise the module reference counter is leaked. Fixes b9703ed44ffb ("netfilter: nf_tables: support for adding new devices to an existing netdev chain") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 0d293eab310b..c1db2f4b2aa4 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2667,6 +2667,8 @@ static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy, nft_trans_basechain(trans) ...
b770283c98e0eee9133c47bc03b6cc625dc94723
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: disallow updates of anonymous sets
Problem Details: Disallow updates of set timeout and garbage collection parameters for anonymous sets. Fixes: 123b99619cca ("netfilter: nf_tables: honor set timeout and garbage collection updates") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index bab792434a8d..16995b88da2f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4963,6 +4963,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info, if (info->nlh->nlmsg_...
62e1e94b246e685d89c3163aaef4b160e42ceb02
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: reject unbound chain set before commit phase
Problem Details: Use binding list to track set transaction and to check for unbound chains before entering the commit phase. Bail out if chain binding remain unused before entering the commit step. Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.or...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 66da44bff5e4..bab792434a8d 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -370,6 +370,11 @@ static void nft_trans_commit_list_add_tail(struct net *net, struct nft_trans *tr nft_set_is_anony...
938154b93be8cd611ddfd7bafc1849f3c4355201
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: reject unbound anonymous set before commit phase
Problem Details: Add a new list to track set transaction and to check for unbound anonymous sets before entering the commit phase. Bail out at the end of the transaction handling if an anonymous set remains unbound. Fixes: 96518518cc41 ("netfilter: add nftables") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index f84b6daea5c4..ee47d7143d99 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1573,6 +1573,7 @@ static inline void nft_set_elem_clear_busy(struct nft_set_ext *ext) * struct nft_tran...
c88c535b592d3baeee74009f3eceeeaf0fdd5e1b
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: disallow element updates of bound anonymous sets
Problem Details: Anonymous sets come with NFT_SET_CONSTANT from userspace. Although API allows to create anonymous sets without NFT_SET_CONSTANT, it makes no sense to allow to add and to delete elements for bound anonymous sets. Fixes: 96518518cc41 ("netfilter: add nftables") Signed-off-by: Pablo Neira Ayuso <pablo@ne...
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index cf10b3bd5c0f..6f26520bd865 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -6779,7 +6779,8 @@ static int nf_tables_newsetelem(struct sk_buff *skb, if (IS_ERR(set)) return PTR_ERR(set); - if ...
d6b478666ffa6d2c25386d78bf1c4640d4da305e
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: fix underflow in object reference counter
Problem Details: Since ("netfilter: nf_tables: drop map element references from preparation phase"), integration with commit protocol is better, therefore drop the workaround that b91d90368837 ("netfilter: nf_tables: fix leaking object reference count") provides. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
```diff diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index e2493f83c48e..cf10b3bd5c0f 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -6668,19 +6668,19 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, if (flags) *nft_set_ext_fl...
2b84e215f87443c74ac0aa7f76bb172d43a87033
Analyze and fix the following issue in the Linux kernel code: netfilter: nft_set_pipapo: .walk does not deal with generations
Problem Details: The .walk callback iterates over the current active set, but it might be useful to iterate over the next generation set. Use the generation mask to determine what set view (either current or next generation) is use for the walk iteration. Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary con...
```diff diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index c867b5b772e8..0452ee586c1c 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -1974,12 +1974,16 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set, struct nft_se...
628bd3e49cba1c066228e23d71a852c23e26da73
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: drop map element references from preparation phase
Problem Details: set .destroy callback releases the references to other objects in maps. This is very late and it results in spurious EBUSY errors. Drop refcount from the preparation phase instead, update set backend not to drop reference counter from set .destroy path. Exceptions: NFT_TRANS_PREPARE_ERROR does not req...
```diff diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index de2b0130c151..f84b6daea5c4 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -472,7 +472,8 @@ struct nft_set_ops { int (*init)(const struct nft_set *set, const struct nft_...
26b5a5712eb85e253724e56a54c17f8519bd8e4e
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain
Problem Details: Add a new state to deal with rule expressions deactivation from the newrule error path, otherwise the anonymous set remains in the list in inactive state for the next generation. Mark the set/chain transaction as unbound so the abort path releases this object, set it as inactive in the next generation ...
```diff diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 8ba7f81e81a6..de2b0130c151 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -901,6 +901,7 @@ struct nft_expr_type { enum nft_trans_phase { NFT_TRANS_PREPARE, + NFT_TRANS_PREPARE...
4bedf9eee016286c835e3d8fa981ddece5338795
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: fix chain binding transaction logic
Problem Details: Add bound flag to rule and chain transactions as in 6a0a8d10a366 ("netfilter: nf_tables: use-after-free in failing rule with bound set") to skip them in case that the chain is already bound from the abort path. This patch fixes an imbalance in the chain use refcnt that triggers a WARN_ON on the table ...
```diff diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 83db182decc8..8ba7f81e81a6 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -1009,7 +1009,10 @@ static inline struct nft_userdata *nft_userdata(const struct nft_rule *rule) return ...
acf15e07eb06507c69f92394c36052677029b0a8
Analyze and fix the following issue in the Linux kernel code: netfilter: ipset: Replace strlcpy with strscpy
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). Direct r...
```diff diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index 031073286236..95aeb31c60e0 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -40,7 +40,7 @@ MODULE_ALIAS("ip_set_hash:net,iface"); #define IP_SET_...
f0a6b5831cfb17381ada015778448b12c1c6179e
Analyze and fix the following issue in the Linux kernel code: uml: Replace strlcpy with strscpy
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return...
```diff diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h index bda66e5a9d4e..0347a190429c 100644 --- a/arch/um/include/shared/user.h +++ b/arch/um/include/shared/user.h @@ -52,6 +52,7 @@ static inline int printk(const char *fmt, ...) extern int in_aton(char *str); extern size_t strlcpy(char ...
c8e796895e2310b6130e7577248da1d771431a77
Analyze and fix the following issue in the Linux kernel code: regmap: spi-avmm: Fix regmap_bus max_raw_write
Problem Details: The max_raw_write member of the regmap_spi_avmm_bus structure is defined as: .max_raw_write = SPI_AVMM_VAL_SIZE * MAX_WRITE_CNT SPI_AVMM_VAL_SIZE == 4 and MAX_WRITE_CNT == 1 so this results in a maximum write transfer size of 4 bytes which provides only enough space to transfer the address of the tar...
```diff diff --git a/drivers/base/regmap/regmap-spi-avmm.c b/drivers/base/regmap/regmap-spi-avmm.c index 4c2b94b3e30b..6af692844c19 100644 --- a/drivers/base/regmap/regmap-spi-avmm.c +++ b/drivers/base/regmap/regmap-spi-avmm.c @@ -660,7 +660,7 @@ static const struct regmap_bus regmap_spi_avmm_bus = { .reg_format_endi...
b6f3f28f604ba3de4724ad82bea6adb1300c0b5f
Analyze and fix the following issue in the Linux kernel code: block: add overflow checks for Amiga partition support
Problem Details: The Amiga partition parser module uses signed int for partition sector address and count, which will overflow for disks larger than 1 TB. Use u64 as type for sector address and size to allow using disks up to 2 TB without LBD support, and disks larger than 2 TB with LBD. The RBD format allows to speci...
```diff diff --git a/block/partitions/amiga.c b/block/partitions/amiga.c index 85c5c79aae48..ed222b9c901b 100644 --- a/block/partitions/amiga.c +++ b/block/partitions/amiga.c @@ -11,10 +11,18 @@ #define pr_fmt(fmt) fmt #include <linux/types.h> +#include <linux/mm_types.h> +#include <linux/overflow.h> #include <lin...
95a55437dc49fb3342c82e61f5472a71c63d9ed0
Analyze and fix the following issue in the Linux kernel code: block: change all __u32 annotations to __be32 in affs_hardblocks.h
Problem Details: The Amiga partition parser module uses signed int for partition sector address and count, which will overflow for disks larger than 1 TB. Use u64 as type for sector address and size to allow using disks up to 2 TB without LBD support, and disks larger than 2 TB with LBD. The RBD format allows to speci...
```diff diff --git a/include/uapi/linux/affs_hardblocks.h b/include/uapi/linux/affs_hardblocks.h index 5e2fb8481252..a5aff2eb5f70 100644 --- a/include/uapi/linux/affs_hardblocks.h +++ b/include/uapi/linux/affs_hardblocks.h @@ -7,42 +7,42 @@ /* Just the needed definitions for the RDB of an Amiga HD. */ struct RigidD...
fc3d092c6bb48d5865fec15ed5b333c12f36288c
Analyze and fix the following issue in the Linux kernel code: block: fix signed int overflow in Amiga partition support
Problem Details: The Amiga partition parser module uses signed int for partition sector address and count, which will overflow for disks larger than 1 TB. Use sector_t as type for sector address and size to allow using disks up to 2 TB without LBD support, and disks larger than 2 TB with LBD. This bug was reported or...
```diff diff --git a/block/partitions/amiga.c b/block/partitions/amiga.c index 5c8624e26a54..85c5c79aae48 100644 --- a/block/partitions/amiga.c +++ b/block/partitions/amiga.c @@ -31,7 +31,8 @@ int amiga_partition(struct parsed_partitions *state) unsigned char *data; struct RigidDiskBlock *rdb; struct PartitionBlo...
54d217406afe250d7a768783baaa79a035f21d38
Analyze and fix the following issue in the Linux kernel code: drm: use mgr->dev in drm_dbg_kms in drm_dp_add_payload_part2
Problem Details: I've been experiencing some intermittent crashes down in the display driver code. The symptoms are ususally a line like this in dmesg: amdgpu 0000:30:00.0: [drm] Failed to create MST payload for port 000000006d3a3885: -5 ...followed by an Oops due to a NULL pointer dereference. Switch to using m...
```diff diff --git a/drivers/gpu/drm/display/drm_dp_mst_topology.c b/drivers/gpu/drm/display/drm_dp_mst_topology.c index 38dab76ae69e..e2e21ce79510 100644 --- a/drivers/gpu/drm/display/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/display/drm_dp_mst_topology.c @@ -3404,7 +3404,7 @@ int drm_dp_add_payload_part2(struct drm...
e7e39756363ad5bd83ddeae1063193d0f13870fd
Analyze and fix the following issue in the Linux kernel code: PCI/ASPM: Avoid link retraining race
Problem Details: PCIe r6.0.1, sec 7.5.3.7, recommends setting the link control parameters, then waiting for the Link Training bit to be clear before setting the Retrain Link bit. This avoids a race where the LTSSM may not use the updated parameters if it is already in the midst of link training because of other normal...
```diff diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 954717d7033f..3aa73ecdf86f 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -213,8 +213,19 @@ static int pcie_wait_for_retrain(struct pci_dev *pdev) static int pcie_retrain_link(struct pcie_link_state *link) { struct p...
f3fb462443a5e150599fa6692e660e25c974e7be
Analyze and fix the following issue in the Linux kernel code: fs: jfs: (trivial) Fix typo in dbInitTree function
Problem Details: While trying to fix the jfs UBSAN problem reported in syzkaller, (https://syzkaller.appspot.com/bug?id=01abadbd6ae6a08b1f1987aa61554c6b3ac19ff2) I found the typo in the comment of dbInitTree function and fix it. Signed-off-by: Wonguk Lee <wonguk.lee1023@gmail.com> Signed-off-by: Dave Kleikamp <dave.k...
```diff diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index da6a2bc6bf02..d4d094168a2f 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -3857,7 +3857,7 @@ static int dbInitTree(struct dmaptree * dtp) l2max = le32_to_cpu(dtp->l2nleafs) + dtp->budmin; /* - * configure the leaf levevl into binary budd...
ebf51575c8418fcbabe489b3b4a4227c34ed256a
Analyze and fix the following issue in the Linux kernel code: clk: fix typo in clk_hw_register_fixed_rate_parent_data() macro
Problem Details: clk_hw_register_fixed_rate_parent_data() 3rd parameter is parent_data not parent_hw. Inner function (__clk_hw_register_fixed_rate()) is called with parent_data parameter as valid. To have this parameter taken into account update the name of the 3rd parameter of clk_hw_register_fixed_rate_parent_data() ...
```diff diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 28ff6f1a6ada..bbc1bf19250a 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -415,7 +415,7 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name, * @flags: framework-specific flag...
7580e0a78eb29e7bb1a772eba4088250bbb70d41
Analyze and fix the following issue in the Linux kernel code: be2net: Extend xmit workaround to BE3 chip
Problem Details: We have seen a bug where the NIC incorrectly changes the length in the IP header of a padded packet to include the padding bytes. The driver already has a workaround for this so do the workaround for this NIC too. This resolves the issue. The NIC in question identifies itself as follows: [ 8.82849...
```diff diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 7e408bcc88de..0defd519ba62 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1135,8 +1135,8 @@ static struct sk_buff *be_lancer_xmit_workaroun...
b6d972f6898308fbe7e693bf8d44ebfdb1cd2dc4
Analyze and fix the following issue in the Linux kernel code: crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)
Problem Details: If an AF_ALG socket bound to a hashing algorithm is sent a zero-length message with MSG_MORE set and then recvmsg() is called without first sending another message without MSG_MORE set to end the operation, an oops will occur because the crypto context and result doesn't now get set up in advance becau...
```diff diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index dfb048cefb60..0ab43e149f0e 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -76,13 +76,30 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, lock_sock(sk); if (!continuing) { - if ((msg->msg_flags & MSG_MORE)) - ...
7fb933e56f77a57ef7cfc59fc34cbbf1b1fa31ff
Analyze and fix the following issue in the Linux kernel code: clk: Fix memory leak in devm_clk_notifier_register()
Problem Details: devm_clk_notifier_register() allocates a devres resource for clk notifier but didn't register that to the device, so the notifier didn't get unregistered on device detach and the allocated resource was leaked. Fix the issue by registering the resource through devres_add(). This issue was found with k...
```diff diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 27c30a533759..ce9dbef314d5 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -4695,6 +4695,7 @@ int devm_clk_notifier_register(struct device *dev, struct clk *clk, if (!ret) { devres->clk = clk; devres->nb = nb; + devres_add(dev, devres);...
462a3daad679406eed5d31b6bed8a19c236e1352
Analyze and fix the following issue in the Linux kernel code: net: phy: mediatek: fix compile-test dependencies
Problem Details: The new phy driver attempts to select a driver from another subsystem, but that fails when the NVMEM subsystem is disabled: WARNING: unmet direct dependencies detected for NVMEM_MTK_EFUSE Depends on [n]: NVMEM [=n] && (ARCH_MEDIATEK [=n] || COMPILE_TEST [=y]) && HAS_IOMEM [=y] Selected by [y]: -...
```diff diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index a40269c17597..78e6981650d9 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -239,7 +239,7 @@ config MEDIATEK_GE_PHY config MEDIATEK_GE_SOC_PHY tristate "MediaTek SoC Ethernet PHYs" depends on (ARM64 && ARCH_MEDIATEK) ...
bd73d1fd63d4f67dc78640c9ae4f83e20a021d76
Analyze and fix the following issue in the Linux kernel code: clk: mvebu: Iterate over possible CPUs instead of DT CPU nodes
Problem Details: Rework iterating over DT CPU nodes to iterate over possible CPUs instead. There's no need to walk the DT CPU nodes again. Possible CPUs is equal to the number of CPUs defined in the DT. Using the "reg" value for an array index is fragile as it assumes "reg" is 0-N which often is not the case. Signed-o...
```diff diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c index c2af3395cf13..db2b38c21304 100644 --- a/drivers/clk/mvebu/clk-cpu.c +++ b/drivers/clk/mvebu/clk-cpu.c @@ -168,8 +168,8 @@ static void __init of_cpu_clk_setup(struct device_node *node) struct cpu_clk *cpuclk; void __iomem *clock_com...
1949c0ebc8d660d35ea968ed609c528076b7d44f
Analyze and fix the following issue in the Linux kernel code: clk: mvebu: Use of_get_cpu_hwid() to read CPU ID
Problem Details: Use of_get_cpu_hwid() rather than the open coded reading of the CPU nodes "reg" property. The existing code is in fact wrong as the "reg" address cells size is 2 cells for arm64. The existing code happens to work because the DTS files are wrong as well. Signed-off-by: Rob Herring <robh@kernel.org> Lin...
```diff diff --git a/drivers/clk/mvebu/ap-cpu-clk.c b/drivers/clk/mvebu/ap-cpu-clk.c index 71bdd7c3ff03..d8a7a4c90d54 100644 --- a/drivers/clk/mvebu/ap-cpu-clk.c +++ b/drivers/clk/mvebu/ap-cpu-clk.c @@ -253,12 +253,12 @@ static int ap_cpu_clock_probe(struct platform_device *pdev) */ nclusters = 1; for_each_of_cp...
1ab391684c9e195c05834def0d08779500b0b319
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: Add Marvell mvebu clock drivers
Problem Details: drivers/clk/mvebu/ is missing a maintainers entry. Add it to the existing entry for the Marvell mvebu platforms. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230327-mvebu-clk-fixes-v2-1-8333729ee45d@kernel.org Signed-off-by: S...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 7e0b87d5aa2e..5656a729f2e4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2364,6 +2364,7 @@ F: arch/arm/configs/mvebu_*_defconfig F: arch/arm/mach-mvebu/ F: arch/arm64/boot/dts/marvell/armada* F: arch/arm64/boot/dts/marvell/cn913* +F: drivers/clk/mvebu/ F: driver...
11458e2b3ffa0e3798f392695d7aec210ac14efd
Analyze and fix the following issue in the Linux kernel code: s390/module: fix rela calculation for R_390_GOTENT
Problem Details: During module load, module layout allocation occurs by initially allowing the architecture to frob the sections. This is performed via module_frob_arch_sections(). However, the size of each module memory types like text,data,rodata etc are updated correctly only after layout_sections(). After calcul...
```diff diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index f1b35dcdf3eb..42215f9404af 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -352,7 +352,8 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, rc = apply_rela_bits(loc, val, 0, 64, 0, write)...
c70505434c8defb111326a143e2dd2be09778593
Analyze and fix the following issue in the Linux kernel code: s390/boot: fix physmem_info virtual vs physical address confusion
Problem Details: Fix virtual vs physical address confusion (which currently are the same). Reviewed-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
```diff diff --git a/arch/s390/include/asm/physmem_info.h b/arch/s390/include/asm/physmem_info.h index 8e9c582592b3..9e41a74fce9a 100644 --- a/arch/s390/include/asm/physmem_info.h +++ b/arch/s390/include/asm/physmem_info.h @@ -3,6 +3,7 @@ #define _ASM_S390_MEM_DETECT_H #include <linux/types.h> +#include <asm/page.h...
3e8261003bd28208986d3c42004510083c086e24
Analyze and fix the following issue in the Linux kernel code: s390/kasan: avoid short by one page shadow memory
Problem Details: Kernel Address Sanitizer uses 3 bits per byte to encode memory. That is the number of bits the start and end address of a memory range is shifted right when the corresponding shadow memory is created for that memory range. The used memory mapping routine expects page-aligned addresses, while the above...
```diff diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c index acb1f8b53105..c67f59db7a51 100644 --- a/arch/s390/boot/vmem.c +++ b/arch/s390/boot/vmem.c @@ -45,6 +45,13 @@ static void pgtable_populate(unsigned long addr, unsigned long end, enum populat static pte_t pte_z; +static inline void kasan_popula...
2ed8b509753a0454b52b2d72e982265472c8d861
Analyze and fix the following issue in the Linux kernel code: s390/kasan: fix insecure W+X mapping warning
Problem Details: Since commit 3b5c3f000c2e ("s390/kasan: move shadow mapping to decompressor") the decompressor establishes mappings for the shadow memory and sets initial protection attributes to RWX. The decompressed kernel resets protection to RW+NX later on. In case a shadow memory range is not aligned on page bou...
```diff diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 5b22c6e24528..b9dcb4ae6c59 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -667,7 +667,15 @@ static void __init memblock_region_swap(void *a, void *b, int size) #ifdef CONFIG_KASAN #define __sha(x) ((unsigned long)kasan_mem_to_shadow...
aee90e929d764541f52dc64698f9879044f1b79c
Analyze and fix the following issue in the Linux kernel code: drm/i915/gsc: Fix intel_gsc_uc_fw_proxy_init_done with directed wakerefs
Problem Details: intel_gsc_uc_fw_proxy_init_done is used by a few code paths and usages. However, certain paths need a wakeref while others can't take a wakeref such as from the runtime_pm_resume callstack. Add a param into this helper to allow callers to direct whether to take the wakeref or not. This resolves the fo...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c index 856de9af1e3a..ab1a456f833d 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_gsc_fw.c @@ -22,27 +22,32 @@ static bool gsc_is_in_reset(struct intel_uncore *uncore) ...
4e13c7a55cf752887f2b8d8008711dbbc64ea796
Analyze and fix the following issue in the Linux kernel code: clk: qcom: mmcc-msm8974: fix MDSS_GDSC power flags
Problem Details: Using PWRSTS_RET on msm8974's MDSS_GDSC causes display to stop working. The gdsc doesn't fully come out of retention mode. Change it's pwrsts flags to PWRSTS_OFF_ON. Fixes: d399723950c4 ("clk: qcom: gdsc: Fix the handling of PWRSTS_RET support") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro...
```diff diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c index d2fec5d5b22e..82f6bad144a9 100644 --- a/drivers/clk/qcom/mmcc-msm8974.c +++ b/drivers/clk/qcom/mmcc-msm8974.c @@ -2384,7 +2384,7 @@ static struct gdsc mdss_gdsc = { .pd = { .name = "mdss", }, - .pwrsts = PWRSTS_RET_ON, +...
11509910c599cbd04585ec35a6d5e1a0053d84c1
Analyze and fix the following issue in the Linux kernel code: jfs: jfs_dmap: Validate db_l2nbperpage while mounting
Problem Details: In jfs_dmap.c at line 381, BLKTODMAP is used to get a logical block number inside dbFree(). db_l2nbperpage, which is the log2 number of blocks per page, is passed as an argument to BLKTODMAP which uses it for shifting. Syzbot reported a shift out-of-bounds crash because db_l2nbperpage is too big. This...
```diff diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index a3eb1e826947..da6a2bc6bf02 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -178,7 +178,13 @@ int dbMount(struct inode *ipbmap) dbmp_le = (struct dbmap_disk *) mp->data; bmp->db_mapsize = le64_to_cpu(dbmp_le->dn_mapsize); bmp->db_nfree = le...
a7299a18a179a9713651fce9ad00972a633c14a9
Analyze and fix the following issue in the Linux kernel code: btrfs: fix u32 overflows when left shifting stripe_nr
Problem Details: [BUG] David reported an ASSERT() get triggered during fio load on 8 devices with data/raid6 and metadata/raid1c3: fio --rw=randrw --randrepeat=1 --size=3000m \ --bsrange=512b-64k --bs_unaligned \ --ioengine=libaio --fsync=1024 \ --name=job0 --name=job1 \ The ASSERT() is from rbio_add_bio()...
```diff diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 841e799dece5..e60beb14852a 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -5975,12 +5975,12 @@ struct btrfs_discard_stripe *btrfs_map_discard(struct btrfs_fs_info *fs_info, stripe_nr = offset >> BTRFS_STRIPE_LEN_SHIFT; /* stripe_offse...
2798e4d1ccd9b3916a8a4088fa24c0338ede9d90
Analyze and fix the following issue in the Linux kernel code: drm/i915: Introduce device info port_mask
Problem Details: Declare the available DVO/SDVO/HDMI/DP/DDI ports in the device info. The other outputs (LVDS/TV/DSI/VGA) are left out since for most of them we don't consider them as "ports". DSI we should probably perhaps include somehow in the device info. Just not sure how. Or we just introduce a HAS_DSI() and cal...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index c48642f897e2..b2f6f05baa01 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -187,10 +187,6 @@ static const str...