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46590b545df636aea0f9f7f2100d9963c0af5824
Analyze and fix the following issue in the Linux kernel code: r8152: fix unknown device for choose_configuration
Problem Details: For the unknown device, rtl8152_cfgselector_choose_configuration() should return a negative value. Then, usb_choose_configuration() would set a configuration for CDC ECM or NCM mode. Otherwise, there is no usb interface driver for the device. Fixes: aa4f2b3e418e ("r8152: Choose our USB config with cho...
```diff diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 0d0672d2a654..51fe00c2b896 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -10078,7 +10078,7 @@ static int rtl8152_cfgselector_choose_configuration(struct usb_device *udev) * driver supports it. */ if (__rtl_get_h...
2b3953585953a42cd29045c80b20b2bdd6633225
Analyze and fix the following issue in the Linux kernel code: net: netconsole: Add continuation line prefix to userdata messages
Problem Details: Add a space (' ') prefix to every userdata line to match docs for dev-kmsg. To account for this extra character in each userdata entry, reduce userdata entry names (directory name) from 54 characters to 53. According to the dev-kmsg docs, a space is used for subsequent lines to mark them as continuati...
```diff diff --git a/Documentation/networking/netconsole.rst b/Documentation/networking/netconsole.rst index b28c525e5d1e..d55c2a22ec7a 100644 --- a/Documentation/networking/netconsole.rst +++ b/Documentation/networking/netconsole.rst @@ -180,7 +180,7 @@ Custom user data can be appended to the end of messages with netc...
6f0974eccbf78baead1735722c4f1ee3eb9422cd
Analyze and fix the following issue in the Linux kernel code: io_uring: don't save/restore iowait state
Problem Details: This kind of state is per-syscall, and since we're doing the waiting off entering the io_uring_enter(2) syscall, there's no way that iowait can already be set for this case. Simplify it by setting it if we need to, and always clearing it to 0 when done. Fixes: 7b72d661f1f2 ("io_uring: gate iowait sche...
```diff diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index cf348c33f485..49a124daa359 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -2539,7 +2539,7 @@ static bool current_pending_io(void) static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx, struct io_wait_queue *iowq) {...
8f4cd89bf10607de08231d6d91a73dd63336808e
Analyze and fix the following issue in the Linux kernel code: devlink: Fix length of eswitch inline-mode
Problem Details: Set eswitch inline-mode to be u8, not u16. Otherwise, errors below $ devlink dev eswitch set pci/0000:08:00.0 mode switchdev \ inline-mode network Error: Attribute failed policy validation. kernel answers: Numerical result out of rang netlink: 'devlink': attribute type 26 has an invalid ...
```diff diff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netlink/specs/devlink.yaml index cf6eaa0da821..09fbb4c03fc8 100644 --- a/Documentation/netlink/specs/devlink.yaml +++ b/Documentation/netlink/specs/devlink.yaml @@ -290,7 +290,7 @@ attribute-sets: enum: eswitch-mode - ...
8076fcde016c9c0e0660543e67bff86cb48a7c9c
Analyze and fix the following issue in the Linux kernel code: x86/rfds: Mitigate Register File Data Sampling (RFDS)
Problem Details: RFDS is a CPU vulnerability that may allow userspace to infer kernel stale data previously used in floating point registers, vector registers and integer registers. RFDS only affects certain Intel Atom processors. Intel released a microcode update that uses VERW instruction to clear the affected CPU b...
```diff diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index a1db6db47505..710d47be11e0 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -516,6 +516,7 @@ What: /sys/devices/s...
e95df4ec0c0c9791941f112db699fae794b9862a
Analyze and fix the following issue in the Linux kernel code: x86/mmio: Disable KVM mitigation when X86_FEATURE_CLEAR_CPU_BUF is set
Problem Details: Currently MMIO Stale Data mitigation for CPUs not affected by MDS/TAA is to only deploy VERW at VMentry by enabling mmio_stale_data_clear static branch. No mitigation is needed for kernel->user transitions. If such CPUs are also affected by RFDS, its mitigation may set X86_FEATURE_CLEAR_CPU_BUF to depl...
```diff diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 48d049cd74e7..cd6ac89c1a0d 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -422,6 +422,13 @@ static void __init mmio_select_mitigation(void) if (boot_cpu_has_bug(X86_BUG_MDS) || (boot_cpu_has_bug(X86_BUG_TAA...
8d0c314c30c9fe7f755d941f5d65a6e427518048
Analyze and fix the following issue in the Linux kernel code: tools: ynl-gen: support using pre-defined values in attr checks
Problem Details: Support using pre-defined values in checks so we don't need to use hard code number for the string, binary length. e.g. we have a definition like #define TEAM_STRING_MAX_LEN 32 Which defined in yaml like: definitions: - name: string-max-len type: const value: 32 It can be used i...
```diff diff --git a/Documentation/netlink/genetlink-c.yaml b/Documentation/netlink/genetlink-c.yaml index 3ebd50d78820..24692a9343f0 100644 --- a/Documentation/netlink/genetlink-c.yaml +++ b/Documentation/netlink/genetlink-c.yaml @@ -11,7 +11,7 @@ $defs: minimum: 0 len-or-define: type: [ string, integer ]...
7447d911af699a15f8d050dfcb7c680a86f87012
Analyze and fix the following issue in the Linux kernel code: vfio/fsl-mc: Block calling interrupt handler without trigger
Problem Details: The eventfd_ctx trigger pointer of the vfio_fsl_mc_irq object is initially NULL and may become NULL if the user sets the trigger eventfd to -1. The interrupt handler itself is guaranteed that trigger is always valid between request_irq() and free_irq(), but the loopback testing mechanisms to invoke th...
```diff diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c index d62fbfff20b8..82b2afa9b7e3 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c @@ -141,13 +141,14 @@ static int vfio_fsl_mc_set_irq_trigger(struct vfio_fsl_mc_device *v...
675daf435e9f8e5a5eab140a9864dfad6668b375
Analyze and fix the following issue in the Linux kernel code: vfio/platform: Create persistent IRQ handlers
Problem Details: The vfio-platform SET_IRQS ioctl currently allows loopback triggering of an interrupt before a signaling eventfd has been configured by the user, which thereby allows a NULL pointer dereference. Rather than register the IRQ relative to a valid trigger, register all IRQs in a disabled state in the devi...
```diff diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c index e5dcada9e86c..ef41ecef83af 100644 --- a/drivers/vfio/platform/vfio_platform_irq.c +++ b/drivers/vfio/platform/vfio_platform_irq.c @@ -136,6 +136,16 @@ static int vfio_platform_set_irq_unmask(struct vfio_plat...
fcdc0d3d40bc26c105acf8467f7d9018970944ae
Analyze and fix the following issue in the Linux kernel code: vfio/platform: Disable virqfds on cleanup
Problem Details: irqfds for mask and unmask that are not specifically disabled by the user are leaked. Remove any irqfds during cleanup Cc: Eric Auger <eric.auger@redhat.com> Cc: <stable@vger.kernel.org> Fixes: a7fa7c77cf15 ("vfio/platform: implement IRQ masking/unmasking via an eventfd") Reviewed-by: Kevin Tian <ke...
```diff diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c index 61a1bfb68ac7..e5dcada9e86c 100644 --- a/drivers/vfio/platform/vfio_platform_irq.c +++ b/drivers/vfio/platform/vfio_platform_irq.c @@ -321,8 +321,11 @@ void vfio_platform_irq_cleanup(struct vfio_platform_devi...
18c198c96a815c962adc2b9b77909eec0be7df4d
Analyze and fix the following issue in the Linux kernel code: vfio/pci: Create persistent INTx handler
Problem Details: A vulnerability exists where the eventfd for INTx signaling can be deconfigured, which unregisters the IRQ handler but still allows eventfds to be signaled with a NULL context through the SET_IRQS ioctl or through unmask irqfd if the device interrupt is pending. Ideally this could be solved with some ...
```diff diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index 75c85eec21b3..fb5392b749ff 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -90,11 +90,15 @@ static void vfio_send_intx_eventfd(void *opaque, void *unused) if (likely(is_intx(vde...
810cd4bb53456d0503cc4e7934e063835152c1b7
Analyze and fix the following issue in the Linux kernel code: vfio/pci: Lock external INTx masking ops
Problem Details: Mask operations through config space changes to DisINTx may race INTx configuration changes via ioctl. Create wrappers that add locking for paths outside of the core interrupt code. In particular, irq_type is updated holding igate, therefore testing is_intx() requires holding igate. For example clea...
```diff diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index 136101179fcb..75c85eec21b3 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -99,13 +99,15 @@ static void vfio_send_intx_eventfd(void *opaque, void *unused) } /* Returns true if t...
fe9a7082684eb059b925c535682e68c34d487d43
Analyze and fix the following issue in the Linux kernel code: vfio/pci: Disable auto-enable of exclusive INTx IRQ
Problem Details: Currently for devices requiring masking at the irqchip for INTx, ie. devices without DisINTx support, the IRQ is enabled in request_irq() and subsequently disabled as necessary to align with the masked status flag. This presents a window where the interrupt could fire between these events, resulting i...
```diff diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index 237beac83809..136101179fcb 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -296,8 +296,15 @@ static int vfio_intx_set_signal(struct vfio_pci_core_device *vdev, int fd) ctx->trig...
457f7308254756b6e4b8fc3876cb770dcf0e7cc7
Analyze and fix the following issue in the Linux kernel code: vfio/pds: Make sure migration file isn't accessed after reset
Problem Details: It's possible the migration file is accessed after reset when it has been cleaned up, especially when it's initiated by the device. This is because the driver doesn't rip out the filep when cleaning up it only frees the related page structures and sets its local struct pds_vfio_lm_file pointer to NULL....
```diff diff --git a/drivers/vfio/pci/pds/lm.c b/drivers/vfio/pci/pds/lm.c index 79fe2e66bb49..6b94cc0bf45b 100644 --- a/drivers/vfio/pci/pds/lm.c +++ b/drivers/vfio/pci/pds/lm.c @@ -92,8 +92,10 @@ static void pds_vfio_put_lm_file(struct pds_vfio_lm_file *lm_file) { mutex_lock(&lm_file->lock); + lm_file->disabled ...
4d0642074c67ed9928e9d68734ace439aa06e403
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/qoriq: Fix getting tmu range
Problem Details: TMU Version 1 has 4 TTRCRs, while TMU Version >=2 has 16 TTRCRs. So limit the len to 4 will report "invalid range data" for i.MX93. This patch drop the local array with allocated ttrcr array and able to support larger tmu ranges. Fixes: f12d60c81fce ("thermal/drivers/qoriq: Support version 2.1") Test...
```diff diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index ccc2eea7f9f5..404f01cca4da 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -57,6 +57,9 @@ #define REGS_TTRnCR(n) (0xf10 + 4 * (n)) /* Temperature Range n * Control Register ...
dd01475a03b22a8393ff9ac7f43d67a1a608d2cf
Analyze and fix the following issue in the Linux kernel code: dt-bindings: thermal: qoriq-thermal: Adjust fsl,tmu-range min/maxItems
Problem Details: The number of fsl,tmu-range entries vary among the several NXP SoCs. - lx2160a has two fsl,tmu-range entries (fsl,qoriq-tmu compatible) - imx8mq has four fsl,tmu-range entries. (fsl,imx8mq-tmu compatible) - imx93 has seven fsl,tmu-range entries. (fsl,qoriq-tmu compatible) Change minItems and maxItem...
```diff diff --git a/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml b/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml index 145744027234..d155d6799da6 100644 --- a/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml +++ b/Documentation/devicetree/bindings/thermal/qoriq-thermal.yaml @...
371ed6263e2403068b359f0c07188548c2d70827
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/mediatek: Fix control buffer enablement on MT7896
Problem Details: Reading thermal sensor on mt7986 devices returns invalid temperature: bpi-r3 ~ # cat /sys/class/thermal/thermal_zone0/temp -274000 Fix this by adding missing members in mtk_thermal_data struct which were used in mtk_thermal_turn_on_buffer after commit 33140e668b10. Cc: stable@vger.kernel.org Fixes:...
```diff diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c index 8b0edb204844..9ee2e7283435 100644 --- a/drivers/thermal/mediatek/auxadc_thermal.c +++ b/drivers/thermal/mediatek/auxadc_thermal.c @@ -690,6 +690,9 @@ static const struct mtk_thermal_data mt7986_thermal_data ...
ca93bf607a44c1f009283dac4af7df0d9ae5e357
Analyze and fix the following issue in the Linux kernel code: thermal/drivers/mediatek/lvts_thermal: Fix a memory leak in an error handling path
Problem Details: If devm_krealloc() fails, then 'efuse' is leaking. So free it to avoid a leak. Fixes: f5f633b18234 ("thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Reviewed-b...
```diff diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index 98d9c80bd4c6..fd4bd650c77a 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -719,8 +719,10 @@ static int lvts_calibration_read(struct device *dev, struct lvts...
c95346ac918c5badf51b9a7ac58a26d3bd5bb224
Analyze and fix the following issue in the Linux kernel code: gfs2: Fix invalid metadata access in punch_hole
Problem Details: In punch_hole(), when the offset lies in the final block for a given height, there is no hole to punch, but the maximum size check fails to detect that. Consequently, punch_hole() will try to punch a hole beyond the end of the metadata and fail. Fix the maximum size check. Signed-off-by: Andrew Pric...
```diff diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index d9ccfd27e4f1..643175498d1c 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -1718,7 +1718,8 @@ static int punch_hole(struct gfs2_inode *ip, u64 offset, u64 length) struct buffer_head *dibh, *bh; struct gfs2_holder rd_gh; unsigned int bsize_shift = sdp-...
0c66c6f4e21cb22220cbd8821c5c73fc157d20dc
Analyze and fix the following issue in the Linux kernel code: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses
Problem Details: Since commit a4d5613c4dc6 ("arm: extend pfn_valid to take into account freed memory map alignment") changes the semantics of pfn_valid() to check presence of the memory map for a PFN. A valid page for an address which is reserved but not mapped by the kernel[1], the system crashed during some uio test ...
```diff diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index d19d140a10c7..0749cf8a6637 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -296,6 +296,9 @@ void __sync_icache_dcache(pte_t pteval) return; folio = page_folio(pfn_to_page(pfn)); + if (folio_test_reserved(folio)) + return; + if ...
d7bca9199a27b8690ae1c71dc11f825154af7234
Analyze and fix the following issue in the Linux kernel code: mm: Introduce vmap_page_range() to map pages in PCI address space
Problem Details: ioremap_page_range() should be used for ranges within vmalloc range only. The vmalloc ranges are allocated by get_vm_area(). PCI has "resource" allocator that manages PCI_IOBASE, IO_SPACE_LIMIT address range, hence introduce vmap_page_range() to be used exclusively to map pages in PCI address space. F...
```diff diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 2129070065c3..794cfea9f9d4 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -110,8 +110,8 @@ void __init add_static_vm_early(struct static_vm *svm) int ioremap_page(unsigned long virt, unsigned long phys, const struct mem_typ...
db185362fca554b201e2c62beb15a02bb39a064b
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: yc: Fix non-functional mic on ASUS M7600RE
Problem Details: The ASUS M7600RE (Vivobook Pro 16X OLED) needs a quirks-table entry for the internal microphone to function properly. Signed-off-by: Mitch Cooley <m.cooley.198@gmail.com> Link: https://msgid.link/r/CALijGznExWW4fujNWwMzmn_K=wo96sGzV_2VkT7NjvEUdkg7Gw@mail.gmail.com Signed-off-by: Mark Brown <broonie@k...
```diff diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c index cc231185d72c..384217c5eeeb 100644 --- a/sound/soc/amd/yc/acp6x-mach.c +++ b/sound/soc/amd/yc/acp6x-mach.c @@ -304,6 +304,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "E1504FA"), ...
e8aff71ca93026209dd0eab9b285e6808cd87d05
Analyze and fix the following issue in the Linux kernel code: objtool/LoongArch: Enable objtool to be built
Problem Details: Add the minimal changes to enable objtool build on LoongArch, most of the functions are stubs to only fix the build errors when make -C tools/objtool. This is similar with commit e52ec98c5ab1 ("objtool/powerpc: Enable objtool to be built on ppc"). Co-developed-by: Jinyang He <hejinyang@loongson.cn> S...
```diff diff --git a/tools/objtool/arch/loongarch/Build b/tools/objtool/arch/loongarch/Build new file mode 100644 index 000000000000..d24d5636a5b8 --- /dev/null +++ b/tools/objtool/arch/loongarch/Build @@ -0,0 +1,2 @@ +objtool-y += decode.o +objtool-y += special.o diff --git a/tools/objtool/arch/loongarch/decode.c b/to...
f31e0d0c2cad23e0cc48731634f85bb2d8707790
Analyze and fix the following issue in the Linux kernel code: ASoC: tlv320adc3xxx: Don't strip remove function when driver is builtin
Problem Details: Using __exit for the remove function results in the remove callback being discarded with SND_SOC_TLV320ADC3XXX=y. When such a device gets unbound (e.g. using sysfs or hotplug), the driver is just removed without the cleanup being performed. This results in resource leaks. Fix it by compiling in the rem...
```diff diff --git a/sound/soc/codecs/tlv320adc3xxx.c b/sound/soc/codecs/tlv320adc3xxx.c index 420bbf588efe..e100cc9f5c19 100644 --- a/sound/soc/codecs/tlv320adc3xxx.c +++ b/sound/soc/codecs/tlv320adc3xxx.c @@ -1429,7 +1429,7 @@ err_unprepare_mclk: return ret; } -static void __exit adc3xxx_i2c_remove(struct i2c_cl...
8bc8db2ab2832daabdd06feeabdd511dc9575bb6
Analyze and fix the following issue in the Linux kernel code: mips: cm: Convert __mips_cm_l2sync_phys_base() to weak function
Problem Details: The __mips_cm_l2sync_phys_base() and mips_cm_l2sync_phys_base() couple was introduced in commit 9f98f3dd0c51 ("MIPS: Add generic CM probe & access code") where the former method was a weak implementation of the later function. Such design pattern permitted to re-define the original method and to use th...
```diff diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index 15d8d69de455..6d132b537f6d 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -33,6 +33,19 @@ extern void __iomem *mips_cm_l2sync_base; */ extern phys_addr_t __mips_cm_phys_base(void); +/...
074fe32e9af1b8720eaf89e069b98ac567e90b99
Analyze and fix the following issue in the Linux kernel code: MIPS: ralink: Don't use "proxy" headers
Problem Details: Update header inclusions to follow IWYU (Include What You Use) principle. Fixes: 5804be061848 ("MIPS: ralink: Remove unused of_gpio.h") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202403090727.nLhljNp6-lkp@intel.com/ Signed-off-by: Andy Shevchenko <andr...
```diff diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c index 8b485cbe854e..54094f6e033e 100644 --- a/arch/mips/ralink/timer.c +++ b/arch/mips/ralink/timer.c @@ -6,10 +6,16 @@ * Copyright (C) 2013 John Crispin <john@phrozen.org> */ -#include <linux/platform_device.h> +#include <linux/bits.h> +#inc...
6719cd5e45111449f4021e08f2e488f17a9b292b
Analyze and fix the following issue in the Linux kernel code: ALSA: scarlett2: Fix Scarlett 4th Gen input gain range again
Problem Details: The 4th Gen input preamp gain range is 0dB to +69dB, although the control values range from 0 to 70. Replace SCARLETT2_MAX_GAIN with SCARLETT2_MAX_GAIN_VALUE and SCARLETT2_MAX_GAIN_DB, and update the TLV again. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> Fixes: a45cf0a08347 ("ALSA: scarlett2: Fix Sca...
```diff diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index ffb8bcebf9ad..bd114be537d7 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -174,8 +174,11 @@ /* some gui mixers can't handle negative ctl values */ #define SCARLETT2_VOLUME_BIAS 127 -/* maximum preamp ...
b4b0193e83cb987143583e2b4011b35331f429bd
Analyze and fix the following issue in the Linux kernel code: drm/fbdev-generic: Fix locking with drm_client_buffer_vmap_local()
Problem Details: Temporarily lock the fbdev buffer object during updates to prevent memory managers from evicting/moving the buffer. Moving a buffer object while update its content results in undefined behaviour. Fbdev-generic updates its buffer object from a shadow buffer. Gem-shmem and gem-dma helpers do not move bu...
```diff diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c index 9403b3f576f7..2cc81831236b 100644 --- a/drivers/gpu/drm/drm_client.c +++ b/drivers/gpu/drm/drm_client.c @@ -304,6 +304,66 @@ err_delete: return ERR_PTR(ret); } +/** + * drm_client_buffer_vmap_local - Map DRM client buffer into a...
94567420208600bf39ea90a9677529e3367626d3
Analyze and fix the following issue in the Linux kernel code: drm/qxl: Acquire reservation lock in GEM pin/unpin callbacks
Problem Details: Acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare qxl accordingly by pushing locking out of the implementation. A fo...
```diff diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c index 9169c26357d3..f2646603e12e 100644 --- a/drivers/gpu/drm/qxl/qxl_prime.c +++ b/drivers/gpu/drm/qxl/qxl_prime.c @@ -31,15 +31,27 @@ int qxl_gem_prime_pin(struct drm_gem_object *obj) { struct qxl_bo *bo = gem_to_qxl_bo(obj); +...
1a8326de8cfd76a0f825696f97b7925813e026b7
Analyze and fix the following issue in the Linux kernel code: drm/nouveau: Acquire reservation lock in GEM pin/unpin callbacks
Problem Details: Acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare nouveau accordingly by pushing locking out of the implementation. ...
```diff diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c index 1b2ff0c40fc1..774f9bd03110 100644 --- a/drivers/gpu/drm/nouveau/nouveau_prime.c +++ b/drivers/gpu/drm/nouveau/nouveau_prime.c @@ -86,21 +86,32 @@ unlock: int nouveau_gem_prime_pin(struct drm_gem_object *obj) {...
45a10ad4e66221bf330b93a78a21cfcfc96f4e12
Analyze and fix the following issue in the Linux kernel code: drm/msm: Acquire reservation lock in GEM pin/unpin callback
Problem Details: Export msm_gem_pin_pages_locked() and acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare msm accordingly by pushing l...
```diff diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index bb729353d3a8..a5c6498a43f0 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -257,24 +257,24 @@ static void pin_obj_locked(struct drm_gem_object *obj) mutex_unlock(&priv->lru.lock); } -struct pa...
94dee3b92328b00a93ab19d9189b1c72f37cd5eb
Analyze and fix the following issue in the Linux kernel code: drm/gem-vram: Acquire reservation lock in GEM pin/unpin callbacks
Problem Details: Acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare gem-vram accordingly by pushing locking out of the implementation....
```diff diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 75f2eaf0d5b6..15029d89badf 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -283,6 +283,8 @@ static int drm_gem_vram_pin_locked(struct drm_gem_vram_object *gbo, str...
ec144244a43f6e4ca9767bf9fb1b2c9e293c2a31
Analyze and fix the following issue in the Linux kernel code: drm/gem-shmem: Acquire reservation lock in GEM pin/unpin callbacks
Problem Details: Export drm_gem_shmem_pin_locked() and acquire the reservation lock directly in GEM pin callback. Same for unpin. Prepares for further changes. Dma-buf locking semantics require callers to hold the buffer's reservation lock when invoking the pin and unpin callbacks. Prepare gem-shmem accordingly by pus...
```diff diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index e435f986cd13..0ac3dddb917f 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -228,7 +228,7 @@ void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem) } ...
57a4e3a94caee6cfda41700da877bee77eab939c
Analyze and fix the following issue in the Linux kernel code: Revert "drm/panthor: Fix undefined panthor_device_suspend/resume symbol issue"
Problem Details: This reverts commit 674dc7f61aefea81901c21402946074927e63f1a. The commit causes a recursive dependency in kconfig: drivers/iommu/Kconfig:14:error: recursive dependency detected! drivers/iommu/Kconfig:14: symbol IOMMU_SUPPORT is selected by DRM_PANTHOR drivers/gpu/drm/panthor/Kconfig:3: symbol DRM_PAN...
```diff diff --git a/drivers/gpu/drm/panthor/Kconfig b/drivers/gpu/drm/panthor/Kconfig index fdce7c1b2310..55b40ad07f3b 100644 --- a/drivers/gpu/drm/panthor/Kconfig +++ b/drivers/gpu/drm/panthor/Kconfig @@ -6,7 +6,6 @@ config DRM_PANTHOR depends on ARM || ARM64 || COMPILE_TEST depends on !GENERIC_ATOMIC64 # for IO...
a2596003ef60e7df45e369104c9d33e86582b38f
Analyze and fix the following issue in the Linux kernel code: drm/i915: Show bios vbt when read from firmware/spi/oprom
Problem Details: Make debugfs vbt only shows valid vbt when read from ACPI opregion. Make it work when read from firmware/spi/pci oprom cases. In the cases where VBT needs to be read from spi/pci oprom, take the wakeref to prevent WARN while reading DE registers during debugfs vbt dump. v2: Extract getting vbt from di...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 51954deaf644..c7841b3eede8 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -3166,6 +3166,32 @@ err_unmap_oprom: return NULL; } +static const str...
900b2801bf250affe410193a0d27a2ba9f2db4e5
Analyze and fix the following issue in the Linux kernel code: ynl: samples: fix recycling rate calculation
Problem Details: Running the page-pool sample on production machines under moderate networking load shows recycling rate higher than 100%: $ page-pool eth0[2] page pools: 14 (zombies: 0) refs: 89088 bytes: 364904448 (refs: 0 bytes: 0) recycling: 100.3% (alloc: 1392:2290247724 recycle: 469289484:1828235386) No...
```diff diff --git a/tools/net/ynl/samples/page-pool.c b/tools/net/ynl/samples/page-pool.c index 098b5190d0e5..332f281ee5cb 100644 --- a/tools/net/ynl/samples/page-pool.c +++ b/tools/net/ynl/samples/page-pool.c @@ -95,6 +95,8 @@ int main(int argc, char **argv) if (pp->_present.alloc_fast) s->alloc_fast += pp->...
d8abf9d4ea3578e594fdde0d25d29cbabab96981
Analyze and fix the following issue in the Linux kernel code: auxdisplay: seg-led-gpio: Import linedisp namespace
Problem Details: The seg-led-gpio driver uses symbols from the linedisp namespace. Ensure these are imported. Fixes: 899383f9ecf5 ("auxdisplay: Add 7-segment LED display driver") Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Closes: https://lore.kernel.org/r/202403100401.IDre04gu-lkp@intel.com/ Revi...
```diff diff --git a/drivers/auxdisplay/seg-led-gpio.c b/drivers/auxdisplay/seg-led-gpio.c index 5dc2a006cac5..35a8dbb1e9d2 100644 --- a/drivers/auxdisplay/seg-led-gpio.c +++ b/drivers/auxdisplay/seg-led-gpio.c @@ -110,3 +110,4 @@ module_platform_driver(seg_led_driver); MODULE_AUTHOR("Chris Packham <chris.packham@alli...
d6eb8de2015f0c24822e47356f839167ebde2945
Analyze and fix the following issue in the Linux kernel code: net/x25: fix incorrect parameter validation in the x25_getsockopt() function
Problem Details: The 'len' variable can't be negative when assigned the result of 'min_t' because all 'min_t' parameters are cast to unsigned int, and then the minimum one is chosen. To fix the logic, check 'len' as read from 'optlen', where the types of relevant variables are (signed) int. Fixes: 1da177e4c3f4 ("Linu...
```diff diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index f7a7c7798c3b..d18d51412cc0 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -460,12 +460,12 @@ static int x25_getsockopt(struct socket *sock, int level, int optname, if (get_user(len, optlen)) goto out; - len = min_t(unsigned int, len, sizeof(...
3ed5f415133f9b7518fbe55ba9ae9a3f5e700929
Analyze and fix the following issue in the Linux kernel code: net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function
Problem Details: The 'len' variable can't be negative when assigned the result of 'min_t' because all 'min_t' parameters are cast to unsigned int, and then the minimum one is chosen. To fix the logic, check 'len' as read from 'optlen', where the types of relevant variables are (signed) int. Fixes: ab7ac4eb9832 ("kcm:...
```diff diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index dc46f17a3187..2f191e50d4fc 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1153,10 +1153,11 @@ static int kcm_getsockopt(struct socket *sock, int level, int optname, if (get_user(len, optlen)) return -EFAULT; - len = min_t(unsigned int, ...
4bb3ba7b74fceec6f558745b25a43c6521cf5506
Analyze and fix the following issue in the Linux kernel code: udp: fix incorrect parameter validation in the udp_lib_getsockopt() function
Problem Details: The 'len' variable can't be negative when assigned the result of 'min_t' because all 'min_t' parameters are cast to unsigned int, and then the minimum one is chosen. To fix the logic, check 'len' as read from 'optlen', where the types of relevant variables are (signed) int. Fixes: 1da177e4c3f4 ("Linu...
```diff diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 2beabf5b2d86..43ec4812b60e 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2791,11 +2791,11 @@ int udp_lib_getsockopt(struct sock *sk, int level, int optname, if (get_user(len, optlen)) return -EFAULT; - len = min_t(unsigned int, len, sizeof(int)); ...
955e9876ba4ee26eeaab1b13517f5b2c88e73d55
Analyze and fix the following issue in the Linux kernel code: l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function
Problem Details: The 'len' variable can't be negative when assigned the result of 'min_t' because all 'min_t' parameters are cast to unsigned int, and then the minimum one is chosen. To fix the logic, check 'len' as read from 'optlen', where the types of relevant variables are (signed) int. Fixes: 3557baabf280 ("[L2T...
```diff diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index f011af6601c9..6146e4e67bbb 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1356,11 +1356,11 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, int optname, if (get_user(len, optlen)) return -EFAULT; - len = min_t(u...
5c3be3e0eb44b7f978bb6cbb20ad956adb93f736
Analyze and fix the following issue in the Linux kernel code: ipmr: fix incorrect parameter validation in the ip_mroute_getsockopt() function
Problem Details: The 'olr' variable can't be negative when assigned the result of 'min_t' because all 'min_t' parameters are cast to unsigned int, and then the minimum one is chosen. To fix the logic, check 'olr' as read from 'optlen', where the types of relevant variables are (signed) int. Fixes: 1da177e4c3f4 ("Linu...
```diff diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 0708ac6f6c58..fd5c01c8489f 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1603,9 +1603,11 @@ int ip_mroute_getsockopt(struct sock *sk, int optname, sockptr_t optval, if (copy_from_sockptr(&olr, optlen, sizeof(int))) return -EFAULT; - olr = min_...
716edc9706deb3bb2ff56e2eeb83559cea8f22db
Analyze and fix the following issue in the Linux kernel code: tcp: fix incorrect parameter validation in the do_tcp_getsockopt() function
Problem Details: The 'len' variable can't be negative when assigned the result of 'min_t' because all 'min_t' parameters are cast to unsigned int, and then the minimum one is chosen. To fix the logic, check 'len' as read from 'optlen', where the types of relevant variables are (signed) int. Fixes: 1da177e4c3f4 ("Linu...
```diff diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index c5b83875411a..b091149742b1 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -4011,11 +4011,11 @@ int do_tcp_getsockopt(struct sock *sk, int level, if (copy_from_sockptr(&len, optlen, sizeof(int))) return -EFAULT; - len = min_t(unsigned int, len, sizeo...
674dc7f61aefea81901c21402946074927e63f1a
Analyze and fix the following issue in the Linux kernel code: drm/panthor: Fix undefined panthor_device_suspend/resume symbol issue
Problem Details: panthor_device_resume/suspend() are only compiled when CONFIG_PM is enabled but panthro_drv.c doesn't use the pm_ptr() macro to conditionally discard resume/suspend assignments, which causes undefined symbol errors at link time when !PM. We could fix that by using pm_ptr(), but supporting the !PM case...
```diff diff --git a/drivers/gpu/drm/panthor/Kconfig b/drivers/gpu/drm/panthor/Kconfig index 55b40ad07f3b..fdce7c1b2310 100644 --- a/drivers/gpu/drm/panthor/Kconfig +++ b/drivers/gpu/drm/panthor/Kconfig @@ -6,6 +6,7 @@ config DRM_PANTHOR depends on ARM || ARM64 || COMPILE_TEST depends on !GENERIC_ATOMIC64 # for IO...
9c86b03863844ce69f99aa66404c79492ec9e208
Analyze and fix the following issue in the Linux kernel code: drm/panthor: Fix panthor_devfreq kerneldoc
Problem Details: Missing '*' to have a valid kerneldoc prefix. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202403031019.6jvrOqGT-lkp@intel.com/ Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com> Reviewed-by: Steven Price <steven.price@arm.com> Link: https://...
```diff diff --git a/drivers/gpu/drm/panthor/panthor_devfreq.c b/drivers/gpu/drm/panthor/panthor_devfreq.c index 7ac4fa290f27..c6d3c327cc24 100644 --- a/drivers/gpu/drm/panthor/panthor_devfreq.c +++ b/drivers/gpu/drm/panthor/panthor_devfreq.c @@ -34,7 +34,7 @@ struct panthor_devfreq { /** @last_busy_state: True if th...
c136883b10ce62c4101f96cd27c7f691fa7b9882
Analyze and fix the following issue in the Linux kernel code: drm/ttm: fix ttm_kmap_iter.h kernel-doc warnings
Problem Details: There's no proper way to document function pointer members, but at least silence the warnings. Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jani...
```diff diff --git a/include/drm/ttm/ttm_kmap_iter.h b/include/drm/ttm/ttm_kmap_iter.h index cc5c09a211b4..fe72631a6e93 100644 --- a/include/drm/ttm/ttm_kmap_iter.h +++ b/include/drm/ttm/ttm_kmap_iter.h @@ -20,7 +20,7 @@ struct iosys_map; */ struct ttm_kmap_iter_ops { /** - * kmap_local() - Map a PAGE_SIZE part o...
bc6adc2e340bb3b59f85562ff4f47316015a95ae
Analyze and fix the following issue in the Linux kernel code: drm/ttm: fix ttm_execbuf_util.h kernel-doc warnings
Problem Details: Fix some formatting errors and excess documentation. Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http...
```diff diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 03aca29d3ce4..fac1e3e57ebd 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -52,7 +52,7 @@ struct ttm_validate_buffer { }; /** - * function ttm_eu_backoff_reservation + * ttm...
4f51e057c0a28f52fc17824c628cf3123b0ef12f
Analyze and fix the following issue in the Linux kernel code: drm/ttm: fix ttm_bo.h kernel-doc warnings
Problem Details: Some renames, some formatting fixes, add some missing documentation. v3: Fix struct ttm_buffer_object .sg documentation (Christian) Cc: Christian Koenig <christian.koenig@amd.com> Cc: Huang Rui <ray.huang@amd.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Christian König <christi...
```diff diff --git a/include/drm/ttm/ttm_bo.h b/include/drm/ttm/ttm_bo.h index 0223a41a64b2..6ccf96c91f3a 100644 --- a/include/drm/ttm/ttm_bo.h +++ b/include/drm/ttm/ttm_bo.h @@ -83,6 +83,9 @@ enum ttm_bo_type { * @resource: structure describing current placement. * @ttm: TTM structure holding system pages. * @de...
6e0fe04fe8c8b1f5d3ce7cad4ac51cfde29c2bd1
Analyze and fix the following issue in the Linux kernel code: drm/i915/pxp: fix i915_pxp_tee_interface.h kernel-doc warnings
Problem Details: Make documentation match code. Slightly fix up the documentation comments while at it. v2: - Move comments next to members instead of struct comment (Lucas) - Small fixups while at it Cc: Lucas De Marchi <lucas.demarchi@intel.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Lucas D...
```diff diff --git a/include/drm/i915_pxp_tee_interface.h b/include/drm/i915_pxp_tee_interface.h index 7d96985f2d05..a532d32f58f3 100644 --- a/include/drm/i915_pxp_tee_interface.h +++ b/include/drm/i915_pxp_tee_interface.h @@ -12,20 +12,26 @@ struct scatterlist; /** * struct i915_pxp_component_ops - ops for PXP se...
efcb7ef88a8c9ba027d36e0925b9c1ddce38c3bc
Analyze and fix the following issue in the Linux kernel code: drm/i915/hdcp: fix i915_hdcp_interface.h kernel-doc warnings
Problem Details: Make the documentation match code. v2: Small fixups while at it (Lucas) Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/5c7ba8db172101c40b68...
```diff diff --git a/include/drm/i915_hdcp_interface.h b/include/drm/i915_hdcp_interface.h index 4c9c8167c2d5..d776ed7dcd00 100644 --- a/include/drm/i915_hdcp_interface.h +++ b/include/drm/i915_hdcp_interface.h @@ -54,7 +54,7 @@ enum hdcp_ddi { }; /** - * enum hdcp_tc - ME/GSC Firmware defined index for transcoders...
c68ca0a9ea872cf53e84d13ab6546daa2108c63a
Analyze and fix the following issue in the Linux kernel code: drm/i915: fix i915_gsc_proxy_mei_interface.h kernel-doc
Problem Details: There's no proper way to document function pointer members, but at least silence the warnings. Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgi...
```diff diff --git a/include/drm/i915_gsc_proxy_mei_interface.h b/include/drm/i915_gsc_proxy_mei_interface.h index 9462341d3ae1..850dfbf40607 100644 --- a/include/drm/i915_gsc_proxy_mei_interface.h +++ b/include/drm/i915_gsc_proxy_mei_interface.h @@ -21,7 +21,7 @@ struct i915_gsc_proxy_component_ops { struct module *...
a45cf0a0834779c741ac204c0320469e9aaef006
Analyze and fix the following issue in the Linux kernel code: ALSA: scarlett2: Fix Scarlett 4th Gen input gain range
Problem Details: The input gain range TLV was declared as -70dB to 0dB, but the preamp gain range is actually 0dB to +70dB. Rename SCARLETT2_GAIN_BIAS to SCARLETT2_MAX_GAIN and update the TLV to fix. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> Fixes: 0a995e38dc44 ("ALSA: scarlett2: Add support for software-controllab...
```diff diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 3815ce1d216e..ffb8bcebf9ad 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -173,7 +173,9 @@ /* some gui mixers can't handle negative ctl values */ #define SCARLETT2_VOLUME_BIAS 127 -#define SCARLETT2_G...
be157c4683a91857d3fdf319117c9b9dc6e8a849
Analyze and fix the following issue in the Linux kernel code: ALSA: scarlett2: Fix Scarlett 4th Gen autogain status values
Problem Details: The meanings of the raw_auto_gain_status values were originally guessed through experimentation, but the official names have now been discovered. Update the autogain status control strings accordingly. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> Fixes: 0a995e38dc44 ("ALSA: scarlett2: Add support for ...
```diff diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index bce69a78c505..3815ce1d216e 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -284,14 +284,22 @@ static const char *const scarlett2_dim_mute_names[SCARLETT2_DIM_MUTE_COUNT] = { "Mute Playback Switch", "Dim ...
6ef1f08b53fdb6f5f00f17f85a60b3247d77fa54
Analyze and fix the following issue in the Linux kernel code: ALSA: scarlett2: Fix Scarlett 4th Gen 4i4 low-voltage detection
Problem Details: The value currently being read to determine the low-voltage state is actually the front panel state. Fix the code to use the correct offset for the low-voltage state. Signed-off-by: Geoffrey D. Bennett <g@b4.vu> Fixes: d7cfa2fdfc8a ("ALSA: scarlett2: Add power status control") Signed-off-by: Takashi I...
```diff diff --git a/sound/usb/mixer_scarlett2.c b/sound/usb/mixer_scarlett2.c index 6de605a601e5..bce69a78c505 100644 --- a/sound/usb/mixer_scarlett2.c +++ b/sound/usb/mixer_scarlett2.c @@ -415,7 +415,7 @@ enum { SCARLETT2_CONFIG_INPUT_SELECT_SWITCH, SCARLETT2_CONFIG_INPUT_LINK_SWITCH, SCARLETT2_CONFIG_POWER_EXT...
9fc91a6fe37c78ef301aed4251f7e50b8524e72d
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: restore power state after system_resume
Problem Details: After system_resume the amplifers will remain off, even if they were on before system_suspend. Use playback_started bool to save the playback state, and restore power state based on it. Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver") Signed-off-by: Gergo Koteles <soyer@irl.hu> Signe...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index a99f490c6a23..7aef93126ed0 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -160,11 +160,13 @@ static void tas2781_hda_playback_hook(struct device *dev, int action) pm_runtime_get_sync(de...
5f51de7e30c7282162a631af8a425b54a4576346
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: do not call pm_runtime_force_* in system_resume/suspend
Problem Details: The runtime_resume function calls prmg_load and apply_calibration functions, but system_resume also calls them, so calling pm_runtime_force_resume before reset is unnecessary. For consistency, do not call the pm_runtime_force_suspend in system_suspend, as runtime_suspend does the same. Fixes: 5be27f1...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 0e61e872bb71..a99f490c6a23 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -870,14 +870,9 @@ static int tas2781_runtime_resume(struct device *dev) static int tas2781_system_suspend(struct ...
bec7760a6c5fa59593dac264fa0c628e46815986
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: do not reset cur_* values in runtime_suspend
Problem Details: The amplifier doesn't loose register state in software shutdown mode, so there is no need to reset the cur_* values. Without these resets, the amplifier can be turned on after runtime_suspend without waiting for the program and profile to be restored. Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 750e49fbb91e..0e61e872bb71 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -832,7 +832,6 @@ static void tas2781_hda_i2c_remove(struct i2c_client *clt) static int tas2781_runtime_suspend(st...
c58e6ed55a1bb9811d6d936d001b068bb0419467
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: add lock to system_suspend
Problem Details: Add the missing lock around tasdevice_tuning_switch(). Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver") Signed-off-by: Gergo Koteles <soyer@irl.hu> Signed-off-by: Takashi Iwai <tiwai@suse.de> Message-ID: <c666da13d4bc48cd1ab1357479e0c6096541372c.1709918447.git.soyer@irl.hu>
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index ee3e0afc9b31..750e49fbb91e 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -885,9 +885,13 @@ static int tas2781_system_suspend(struct device *dev) if (ret) return ret; + mutex_lock(&...
c850c9121cc8de867ce3ac36b9ae9d05f62bef14
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/tas2781: use dev_dbg in system_resume
Problem Details: The system_resume function uses dev_info for tracing, but the other pm functions use dev_dbg. Use dev_dbg as the other pm functions. Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver") Signed-off-by: Gergo Koteles <soyer@irl.hu> Signed-off-by: Takashi Iwai <tiwai@suse.de> Message-ID: <1...
```diff diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c index 1bfb00102a77..ee3e0afc9b31 100644 --- a/sound/pci/hda/tas2781_hda_i2c.c +++ b/sound/pci/hda/tas2781_hda_i2c.c @@ -900,7 +900,7 @@ static int tas2781_system_resume(struct device *dev) struct tas2781_hda *tas_hda = dev_get_drvd...
c062166995c9e57d5cd508b332898f79da319802
Analyze and fix the following issue in the Linux kernel code: ALSA: hda/realtek: fix ALC285 issues on HP Envy x360 laptops
Problem Details: Realtek codec on HP Envy laptop series are heavily modified by vendor. Therefore, need intervention to make it work properly. The patch fixes: - B&O soundbar speakers (between lid and keyboard) activation - Enable LED on mute button - Add missing process coefficient which affects the output amplifier ...
```diff diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 71a935e690b5..4f92b19a5850 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6695,6 +6695,60 @@ static void alc285_fixup_hp_spectre_x360(struct hda_codec *codec, } } +static void alc285_fixup_h...
89d030804831c4075496629343ae3bb3ae8ff58f
Analyze and fix the following issue in the Linux kernel code: drm/xe/hdcp: Fix condition for hdcp gsc cs requirement
Problem Details: Add condition for check of hdcp gsc cs requirement rather than assuming gsc cs to always be required when xe is loaded. It is not required for display version < 14 --v2 -Use display version in commit message [Lucas] Fixes: 152f2df954d8 ("drm/xe/hdcp: Enable HDCP for XE") Signed-off-by: Suraj Kandpal ...
```diff diff --git a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c index dcde1d0ac1f8..25c73602ef55 100644 --- a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c +++ b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c @@ -32,7 +32,7 @@ struct intel_hdcp_gsc_message { bool intel_hdcp_gsc_cs_requi...
13c8cf339e1a7a3d3e48fdebbb882b3a5a90f708
Analyze and fix the following issue in the Linux kernel code: dt-bindings: opp: drop maxItems from inner items
Problem Details: With recent changes within matrix dimensions calculation, dropping maxItems: 1 provides a warning-free run. Fixes warning such as: arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dtb: opp-table: opp-200000000:opp-hz:0: [200000000, 0, 0, 150000000, 0, 0, 0, 0, 300000000] is too long Fixes: 3cb16ad69...
```diff diff --git a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml index e2f8f7af3cf4..b1bb87c865ed 100644 --- a/Documentation/devicetree/bindings/opp/opp-v2-base.yaml +++ b/Documentation/devicetree/bindings/opp/opp-v2-base.yaml @@ -57,8 +57,6 @@ pattern...
28330ceb953e39880ea77da4895bb902a1244860
Analyze and fix the following issue in the Linux kernel code: OPP: debugfs: Fix warning around icc_get_name()
Problem Details: If the kernel isn't built with interconnect support, icc_get_name() returns NULL and we get following warning: drivers/opp/debugfs.c: In function 'bw_name_read': drivers/opp/debugfs.c:43:42: error: '%.62s' directive argument is null [-Werror=format-overflow=] i = scnprintf(buf, sizeof(buf), "...
```diff diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c index 22cfde403625..105de7c3274a 100644 --- a/drivers/opp/debugfs.c +++ b/drivers/opp/debugfs.c @@ -37,10 +37,12 @@ static ssize_t bw_name_read(struct file *fp, char __user *userbuf, size_t count, loff_t *ppos) { struct icc_path *path = fp->p...
992e88335997a2f171c7da221a14c40771cd517d
Analyze and fix the following issue in the Linux kernel code: OPP: debugfs: Fix warning with W=1 builds
Problem Details: We currently get the following warning: debugfs.c:105:54: error: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 8 [-Werror=format-truncation=] snprintf(name, sizeof(name), "supply-%d", i); ...
```diff diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c index ec030b19164a..22cfde403625 100644 --- a/drivers/opp/debugfs.c +++ b/drivers/opp/debugfs.c @@ -56,11 +56,11 @@ static void opp_debug_create_bw(struct dev_pm_opp *opp, struct dentry *pdentry) { struct dentry *d; - char name[20]; + char name[...
838a4772bfc390a14b31c25dc4c9eb66de5f5b1a
Analyze and fix the following issue in the Linux kernel code: cpufreq: Move dev_pm_opp_{init|free}_cpufreq_table() to pm_opp.h
Problem Details: Move the declaration of functions defined in the OPP core to pm_opp.h. These were added to cpufreq.h as it was the only user of the APIs, but that was a mistake perhaps. Fix it. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
```diff diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index afda5f24d3dd..8ff3e79727d8 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -694,26 +694,6 @@ struct cpufreq_frequency_table { * order */ }; -#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) -int dev_pm_o...
04f082d39b99f0b7b4b1cada14280f41d99f1e1f
Analyze and fix the following issue in the Linux kernel code: firewire: core: fix build failure due to the caller of fw_csr_string()
Problem Details: A commit 47dc55181dcb ("firewire: core: search descriptor leaf just after vendor directory entry in root directory") for v6.8-rc3 and a commit 67a5a58c0443 ("firewire: Kill unnecessary buf check in device_attribute.show") for v6.9 bring build failure in for-next tree due to the change of the name of lo...
```diff diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c index a802c6d4f4fd..c0976f6268d3 100644 --- a/drivers/firewire/core-device.c +++ b/drivers/firewire/core-device.c @@ -366,7 +366,7 @@ static ssize_t show_text_leaf(struct device *dev, // in the root directory follows to the directo...
f49af462875a0922167cf301cf126cd04009070e
Analyze and fix the following issue in the Linux kernel code: smb: common: fix fields sizes in compression_pattern_payload_v1
Problem Details: See protocol documentation in MS-SMB2 section 2.2.42.2.2 Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de> Signed-off-by: Steve French <stfrench@microsoft.com>
```diff diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h index 57f2343164a3..17f1bddb95d0 100644 --- a/fs/smb/common/smb2pdu.h +++ b/fs/smb/common/smb2pdu.h @@ -238,8 +238,8 @@ struct smb2_compression_transform_hdr_chained { /* See MS-SMB2 2.2.42.2.2 */ struct compression_pattern_payload_v1 { - __le16...
f3dc1bdb6b0b0693562c7c54a6c28bafa608ba3c
Analyze and fix the following issue in the Linux kernel code: cifs: Fix writeback data corruption
Problem Details: cifs writeback doesn't correctly handle the case where cifs_extend_writeback() hits a point where it is considering an additional folio, but this would overrun the wsize - at which point it drops out of the xarray scanning loop and calls xas_pause(). The problem is that xas_pause() advances the loop c...
```diff diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index e5f891e43984..41d298583980 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -2625,20 +2625,20 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to) * dirty pages if possible, but don't sleep while doing ...
e0e1e09b2c41d383a2483f2ee5227b724860ced1
Analyze and fix the following issue in the Linux kernel code: smb: client: Fix a NULL vs IS_ERR() check in wsl_set_xattrs()
Problem Details: This was intended to be an IS_ERR() check. The ea_create_context() function doesn't return NULL. Fixes: 1eab17fe485c ("smb: client: add support for WSL reparse points") Reviewed-by: Paulo Alcantara <pc@manguebit.com> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Steve French ...
```diff diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c index b240ccc9c887..24feeaa32280 100644 --- a/fs/smb/client/reparse.c +++ b/fs/smb/client/reparse.c @@ -230,7 +230,7 @@ static int wsl_set_xattrs(struct inode *inode, umode_t _mode, } cc = ea_create_context(dlen, &cc_len); - if (!cc) + if (IS_...
6914d288c63682e20e0f6e1e0b8e8f5847012d67
Analyze and fix the following issue in the Linux kernel code: smb: client: fix potential broken compound request
Problem Details: Now that smb2_compound_op() can accept up to 5 commands in a single compound request, set the appropriate NextCommand and related flags to all subsequent commands as well as handling the case where a valid @cfile is passed and therefore skipping create and close requests in the compound chain. This fi...
```diff diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c index f697c14cd8c6..a4413aaffd5e 100644 --- a/fs/smb/client/smb2inode.c +++ b/fs/smb/client/smb2inode.c @@ -223,14 +223,13 @@ replay_again: SMB2_O_INFO_FILE, 0, sizeof(struct smb2_file_all_info) + PATH_MAX * 2, 0, N...
ffceb7640cbfe6ea60e7769e107451d63a2fe3d3
Analyze and fix the following issue in the Linux kernel code: smb: client: do not defer close open handles to deleted files
Problem Details: When a file/dentry has been deleted before closing all its open handles, currently, closing them can add them to the deferred close list. This can lead to problems in creating file with the same name when the file is re-created before the deferred close completes. This issue was seen while reusing a cl...
```diff diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index 0ad08642b7cf..20d3243b7449 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -1422,6 +1422,7 @@ struct cifsFileInfo { bool invalidHandle:1; /* file closed via session abend */ bool swapfile:1; bool oplock_break_ca...
2c7d399e551ccfd87bcae4ef5573097f3313d779
Analyze and fix the following issue in the Linux kernel code: smb: client: reuse file lease key in compound operations
Problem Details: Currently, when a rename, unlink or set path size compound operation is requested on a file that has a lot of dirty pages to be written to the server, we do not send the lease key for these requests. As a result, the server can assume that this request is from a new client, and send a lease break notif...
```diff diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h index ec9a26bd05a1..0ad08642b7cf 100644 --- a/fs/smb/client/cifsglob.h +++ b/fs/smb/client/cifsglob.h @@ -371,7 +371,8 @@ struct smb_version_operations { struct cifs_open_info_data *data); /* set size by path */ int (*set_path_size)(co...
e4b61f3b1c67f5068590965f64ea6e8d5d5bd961
Analyze and fix the following issue in the Linux kernel code: cifs: prevent updating file size from server if we have a read/write lease
Problem Details: In cases of large directories, the readdir operation may span multiple round trips to retrieve contents. This introduces a potential race condition in case of concurrent write and readdir operations. If the readdir operation initiates before a write has been processed by the server, it may update the f...
```diff diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h index a841bf4967fa..58cfbd450a55 100644 --- a/fs/smb/client/cifsproto.h +++ b/fs/smb/client/cifsproto.h @@ -144,7 +144,8 @@ extern int cifs_reconnect(struct TCP_Server_Info *server, extern int checkSMB(char *buf, unsigned int len, struct TCP_Se...
ded20192dff31c91cef2a04f7e20e60e9bb887d3
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Release hbalock before calling lpfc_worker_wake_up()
Problem Details: lpfc_worker_wake_up() calls the lpfc_work_done() routine, which takes the hbalock. Thus, lpfc_worker_wake_up() should not be called while holding the hbalock to avoid potential deadlock. Signed-off-by: Justin Tee <justin.tee@broadcom.com> Link: https://lore.kernel.org/r/20240305200503.57317-7-justint...
```diff diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 28e56542e072..157a910666db 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -4437,23 +4437,23 @@ lpfc_els_retry_delay(struct timer_list *t) unsigned long flags; struct lpfc_work_evt *evtp = &ndlp->...
4ddf01f2f1504fa08b766e8cfeec558e9f8eef6c
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up
Problem Details: There are cases after NPIV deletion where the fabric switch still believes the NPIV is logged into the fabric. This occurs when a vport is unregistered before the Remove All DA_ID CT and LOGO ELS are sent to the fabric. Currently fc_remove_host(), which calls dev_loss_tmo for all D_IDs including the ...
```diff diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index 0f79840b9498..9850080ee33d 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -674,10 +674,6 @@ lpfc_vport_delete(struct fc_vport *fc_vport) lpfc_free_sysfs_attr(vport); lpfc_debugfs_terminate...
b5a30840727a3e41d12a336d19f6c0716b299161
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Change debug message during driver unload
Problem Details: Upon driver unload, purge_mbox flag is set and the heartbeat monitor thread detects this flag and does not send the mailbox command down to FW with a debug message "Error detected: purge[1] eeh[0] cmd=0x0, Exiting". This being not a real error, change the debug message. Cc: stable@vger.kernel.org Sig...
```diff diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 21ec32b4fb28..0cd6f3e14882 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -194,7 +194,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (ha->flags.purge_mbox || chip_rese...
82f522ae0d97119a43da53e0f729275691b9c525
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix double free of fcport
Problem Details: The server was crashing after LOGO because fcport was getting freed twice. -----------[ cut here ]----------- kernel BUG at mm/slub.c:371! invalid opcode: 0000 1 SMP PTI CPU: 35 PID: 4610 Comm: bash Kdump: loaded Tainted: G OE --------- - - 4.18.0-425.3.1.el8.x86_64 #1 Hardware name: HPE ProLiant...
```diff diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 892a27afb462..0b41e8a06602 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2637,7 +2637,8 @@ static void qla2x00_els_dcmd_sp_free(srb_t *sp) { struct srb_iocb *elsio = &sp->u.iocb_cmd; ...
e288285d47784fdcf7c81be56df7d65c6f10c58b
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix double free of the ha->vp_map pointer
Problem Details: Coverity scan reported potential risk of double free of the pointer ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed in function qla2x00_mem_free(ha). Assign NULL to vp_map and kfree take care of NULL. Cc: stable@vger.kernel.org Signed-off-by: Saurav Kashyap <skashyap@marvell...
```diff diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index b3bb974ae797..1e2f52210f60 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4602,6 +4602,7 @@ fail_free_init_cb: ha->init_cb_dma = 0; fail_free_vp_map: kfree(ha->vp_map); + ha->vp_map = NULL; ...
a27d4d0e7de305def8a5098a614053be208d1aa1
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix command flush on cable pull
Problem Details: System crash due to command failed to flush back to SCSI layer. BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 0 P4D 0 Oops: 0000 [#1] SMP NOPTI CPU: 27 PID: 793455 Comm: kworker/u130:6 Kdump: loaded Tainted: G OE --------- - - 4.18.0-372.9.1.el8.x86_64...
```diff diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 2ef2dbac0db2..d7551b1443e4 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1062,6 +1062,16 @@ void qlt_free_session_done(struct work_struct *work) "%s: sess %p logout comple...
881eb861ca3877300570db10abbf11494e48548d
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix N2N stuck connection
Problem Details: Disk failed to rediscover after chip reset error injection. The chip reset happens at the time when a PLOGI is being sent. This causes a flag to be left on which blocks the retry. Clear the blocking flag. Cc: stable@vger.kernel.org Signed-off-by: Quinn Tran <qutran@marvell.com> Signed-off-by: Nilesh J...
```diff diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 09cb9413670a..7309310d2ab9 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -44,7 +44,7 @@ extern int qla2x00_fabric_login(scsi_qla_host_t *, fc_port_t *, uint16_t *); extern int qla2x00_local_...
8fd4c9c8e1f33b76c02b0cb0421abafb1cf91e6b
Analyze and fix the following issue in the Linux kernel code: scsi: smartpqi: Replace deprecated strncpy() with strscpy()
Problem Details: buffer->driver_version is sized 32: | struct bmic_host_wellness_driver_version { | ... | char driver_version[32]; ... the source string "Linux " + DRIVER_VERISON is sized at 16. There's really no bug in the existing code since the buffers are sized appropriately with great care taken to manually NUL-t...
```diff diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index ceff1ec13f9e..bfe6f42e8e96 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1041,9 +1041,8 @@ static int pqi_write_driver_version_to_host_wellness( buffer->driver_...
4f94864d210f31d9247e5189b2af368dcc05c395
Analyze and fix the following issue in the Linux kernel code: scsi: qla4xxx: Replace deprecated strncpy() with strscpy()
Problem Details: Replace 3 instances of strncpy in ql4_mbx.c No bugs exist in the current implementation as some care was taken to ensure the write length was decreased by one to leave some space for a NUL-byte. However, instead of using strncpy(dest, src, LEN-1) we can opt for strscpy(dest, src, sizeof(dest)) which w...
```diff diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index 249f1d7021d4..75125d2021f5 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -1641,6 +1641,7 @@ int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password, struct ql4_chap_ta...
8c8e2422bde198efa57566d768400f73cc485aad
Analyze and fix the following issue in the Linux kernel code: scsi: mpi3mr: Replace deprecated strncpy() with assignments
Problem Details: Really, there's no bug with the current code. Let's just ditch strncpy() all together. We can just copy the const strings instead of reserving room on the stack. Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1] Link: https://manpages.debian.or...
```diff diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 528f19f782f2..da0710cdac1d 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -3676,7 +3676,7 @@ static const struct { * mpi3mr_print_ioc_info - Display controller information * @mrioc: Ad...
16cc2ba71b9f6440805aef7f92ba0f031f79b765
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Correct size for cmdwqe/rspwqe for memset()
Problem Details: The cmdwqe and rspwqe are of type lpfc_wqe128. They should be memset() with the same type. Fixes: 61910d6a5243 ("scsi: lpfc: SLI path split: Refactor CT paths") Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Link: https://lore.kernel.org/r/20240304091119.847060-1-usama.anjum@collabora...
```diff diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index d80e6e81053b..7d5275d3a740 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -3169,10 +3169,10 @@ lpfc_bsg_diag_loopback_run(struct bsg_job *job) } cmdwqe = &cmdiocbq->wqe; - memset(cmdwqe, 0, size...
28d41991182c210ec1654f8af2e140ef4cc73f20
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Correct size for wqe for memset()
Problem Details: The wqe is of type lpfc_wqe128. It should be memset with the same type. Fixes: 6c621a2229b0 ("scsi: lpfc: Separate NVMET RQ buffer posting from IO resources SGL/iocbq/context") Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Link: https://lore.kernel.org/r/20240304090649.833953-1-usama...
```diff diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 8258b771bd00..561ced5503c6 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -1586,7 +1586,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) wqe = &nvmewqe->wqe; /* Initialize WQE *...
81e2c1a0f8d3f62f4c9e80b20270aa3481c40524
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: qcom: Provide default cycles_in_1us value
Problem Details: The MSM8996 DT doesn't provide frequency limits for the core_clk_unipro clock, which results in miscalculation of the cycles_in_1us value. Provide the backwards-compatible default to support existing MSM8996 DT files. Fixes: b4e13e1ae95e ("scsi: ufs: qcom: Add multiple frequency support for MAX_CORE_...
```diff diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 0aeaee1c564c..79f8cb377710 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1210,8 +1210,10 @@ static int ufs_qcom_set_core_clk_ctrl(struct ufs_hba *hba, bool is_scale_up) list_for_each_entry(clki, hea...
8e68a458bcf5b5cb9c3624598bae28f08251601f
Analyze and fix the following issue in the Linux kernel code: scsi: libsas: Fix disk not being scanned in after being removed
Problem Details: As of commit d8649fc1c5e4 ("scsi: libsas: Do discovery on empty PHY to update PHY info"), do discovery will send a new SMP_DISCOVER and update phy->phy_change_count. We found that if the disk is reconnected and phy change_count changes at this time, the disk scanning process will not be triggered. The...
```diff diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index de9dee488277..5c261005b74e 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1945,6 +1945,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, struct expan...
b8a77b9a5f9c2ba313f2beef8440b6f9f69768e7
Analyze and fix the following issue in the Linux kernel code: mtd: ubi: fix NVMEM over UBI volumes on 32-bit systems
Problem Details: A compiler warning related to sizeof(int) != 8 when calling do_div() is triggered when building on 32-bit platforms. Address this by using integer types having a well-defined size. Fixes: 3ce485803da1 ("mtd: ubi: provide NVMEM layer over UBI volumes") Signed-off-by: Daniel Golle <daniel@makrotopia.org...
```diff diff --git a/drivers/mtd/ubi/nvmem.c b/drivers/mtd/ubi/nvmem.c index b7a93c495d17..8aeb9c428e51 100644 --- a/drivers/mtd/ubi/nvmem.c +++ b/drivers/mtd/ubi/nvmem.c @@ -23,9 +23,12 @@ struct ubi_nvmem { static int ubi_nvmem_reg_read(void *priv, unsigned int from, void *val, size_t bytes) { - int err =...
767712f91de76abd22a45184e6e3440120b8bfce
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: core: Fix MCQ MAC configuration
Problem Details: As per JEDEC Standard No. 223E Section 5.9.2, the max # active commands value programmed by the host sw in MCQConfig.MAC should be one less than the actual value. Signed-off-by: Rohit Ner <rohitner@google.com> Link: https://lore.kernel.org/r/20240220095637.2900067-1-rohitner@google.com Reviewed-by: Pe...
```diff diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 8db81f1a12d5..768bf87cd80d 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -94,7 +94,7 @@ void ufshcd_mcq_config_mac(struct ufs_hba *hba, u32 max_active_cmds) val = ufshcd_readl(hba, REG_UFS_MCQ_CFG); va...
29223b5a555e90844fda741088831d06bb52b882
Analyze and fix the following issue in the Linux kernel code: bcachefs: Initialize super_block->s_uuid
Problem Details: Need to fix this oversight for the new FS_IOC_(GET|SET)UUID ioctls. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c index ec9cf4b8faf1..be0c059d70f0 100644 --- a/fs/bcachefs/fs.c +++ b/fs/bcachefs/fs.c @@ -1878,6 +1878,7 @@ got_sb: sb->s_time_gran = c->sb.nsec_per_time_unit; sb->s_time_min = div_s64(S64_MIN, c->sb.time_units_per_sec) + 1; sb->s_time_max = div_s64(S64_...
0be5b38bce6c4d3563f7575f6bac94806b2fbc17
Analyze and fix the following issue in the Linux kernel code: bcachefs: skip invisible entries in empty subvolume checking
Problem Details: When we are checking whether a subvolume is empty in the specified snapshot, entries that do not belong to this subvolume should be skipped. This fixes the following case: $ bcachefs subvolume create ./sub $ cd sub $ bcachefs subvolume create ./sub2 $ bcachefs subvolume snapshot . ./s...
```diff diff --git a/fs/bcachefs/dirent.c b/fs/bcachefs/dirent.c index 4ae1e9f002a0..82c5bff01411 100644 --- a/fs/bcachefs/dirent.c +++ b/fs/bcachefs/dirent.c @@ -508,7 +508,7 @@ u64 bch2_dirent_lookup(struct bch_fs *c, subvol_inum dir, return ret; } -int bch2_empty_dir_snapshot(struct btree_trans *trans, u64 dir,...
067f244c9e4d2c00b493291df5f17510fd0bd9c1
Analyze and fix the following issue in the Linux kernel code: bcachefs: fix split brain message
Problem Details: Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c index 73173f63f486..2ca89b315ceb 100644 --- a/fs/bcachefs/super.c +++ b/fs/bcachefs/super.c @@ -1128,7 +1128,7 @@ static int bch2_dev_in_fs(struct bch_sb_handle *fs, prt_newline(&buf); prt_bdevname(&buf, fs->bdev); - prt_str(&buf, "believes seq of ...
94817db95681155437100d9f25b3e1390fff8ad6
Analyze and fix the following issue in the Linux kernel code: bcachefs: Correctly validate k->u64s in btree node read path
Problem Details: validate_bset_keys() never properly validated k->u64s; it checked if it was 0, but not if it was smaller than keys for the given packed format; this fixes that small oversight. This patch was backported, so it's adding quite a few error enums so that they don't get renumbered and we don't have confusi...
```diff diff --git a/fs/bcachefs/bkey.h b/fs/bcachefs/bkey.h index 831be01809f2..2a8b8fef539c 100644 --- a/fs/bcachefs/bkey.h +++ b/fs/bcachefs/bkey.h @@ -362,10 +362,7 @@ static inline struct bpos bkey_start_pos(const struct bkey *k) static inline unsigned bkeyp_key_u64s(const struct bkey_format *format, c...
b3eba6a4a7e3e148abfde7a30daa855839fcc043
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix degraded mode fsck
Problem Details: We don't know where the superblock and journal lives on offline devices; that means if a device is offline fsck can't check those buckets. Previously, fsck would incorrectly clear bucket data types for those buckets on offline devices; now we just use the previous state. Signed-off-by: Kent Overstree...
```diff diff --git a/fs/bcachefs/btree_gc.c b/fs/bcachefs/btree_gc.c index 1102995643b1..829da0f92f0d 100644 --- a/fs/bcachefs/btree_gc.c +++ b/fs/bcachefs/btree_gc.c @@ -1365,11 +1365,10 @@ static int bch2_alloc_write_key(struct btree_trans *trans, { struct bch_fs *c = trans->c; struct bch_dev *ca = bch_dev_bkey_...
ba89083e9f5d9d26f64565ec3ecb823b5bcad055
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix journal replay with unreadable btree roots
Problem Details: When a btree root is unreadable, we still might be able to get some data back by replaying what's in the journal. Previously though, we got confused when journal replay would attempt to replay a key for a level that didn't exist. This adds bch2_btree_increase_depth(), so that journal replay can handle...
```diff diff --git a/fs/bcachefs/btree_iter.c b/fs/bcachefs/btree_iter.c index 3ef338df82f5..cab2e3fa900b 100644 --- a/fs/bcachefs/btree_iter.c +++ b/fs/bcachefs/btree_iter.c @@ -1729,7 +1729,9 @@ bch2_btree_iter_traverse(struct btree_iter *iter) if (ret) return ret; - btree_path_set_should_be_locked(trans->path...
52f3a72fa7f4f021398d17e4ffa760d0b2a46386
Analyze and fix the following issue in the Linux kernel code: bcachefs: fix check_inode_deleted_list()
Problem Details: check_inode_deleted_list() returns true if the inode is on the deleted list; check_inode() was checking the return code incorrectly. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/fsck.c b/fs/bcachefs/fsck.c index 6a760777bafb..ac4e40ad168d 100644 --- a/fs/bcachefs/fsck.c +++ b/fs/bcachefs/fsck.c @@ -799,12 +799,9 @@ static int check_inode_deleted_list(struct btree_trans *trans, struct bpos p) { struct btree_iter iter; struct bkey_s_c k = bch2_bkey_get_iter(...
88005d5dfbc9665b8cd510916baed9c89960ee90
Analyze and fix the following issue in the Linux kernel code: bcachefs: extent_entry_next_safe()
Problem Details: We need to be able to iterate over extent ptrs that may be corrupted in order to print them - this fixes a bug where we'd pop an assert in bch2_bkey_durability_safe(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
```diff diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h index 6bf839d69e84..6219f2c08e4c 100644 --- a/fs/bcachefs/extents.h +++ b/fs/bcachefs/extents.h @@ -43,6 +43,11 @@ enum bkey_invalid_flags; #define extent_entry_next(_entry) \ ((typeof(_entry)) ((void *) (_entry) + extent_entry_bytes(_entry))) ...
f8cdf65b51f036d77edece8a175447dd41be63ca
Analyze and fix the following issue in the Linux kernel code: bcachefs: Fix null-ptr-deref in bch2_fs_alloc()
Problem Details: There is a null-ptr-deref issue reported by kasan: KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] Call Trace: <TASK> bch2_fs_alloc+0x1092/0x2170 [bcachefs] bch2_fs_open+0x683/0xe10 [bcachefs] ... When initializing the name of bch_fs, it needs to dynamically...
```diff diff --git a/fs/bcachefs/super.c b/fs/bcachefs/super.c index 6b23e11825e6..24fa41bbe7e3 100644 --- a/fs/bcachefs/super.c +++ b/fs/bcachefs/super.c @@ -818,13 +818,13 @@ static struct bch_fs *bch2_fs_alloc(struct bch_sb *sb, struct bch_opts opts) goto err; pr_uuid(&name, c->sb.user_uuid.b); - strscpy(c->n...
b5ff74c1ef50fe08e384026875fec660fadfaedd
Analyze and fix the following issue in the Linux kernel code: PCI: hv: Fix ring buffer size calculation
Problem Details: For a physical PCI device that is passed through to a Hyper-V guest VM, current code specifies the VMBus ring buffer size as 4 pages. But this is an inappropriate dependency, since the amount of ring buffer space needed is unrelated to PAGE_SIZE. For example, on x86 the ring buffer size ends up as 16 ...
```diff diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 1eaffff40b8d..5992280e8110 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -49,6 +49,7 @@ #include <linux/refcount.h> #include <linux/irqdomain.h> #include <linux/acpi.h>...
72e34b8593e08a0ee759b7a038e0b178418ea6f8
Analyze and fix the following issue in the Linux kernel code: PCI: dwc: endpoint: Fix advertised resizable BAR size
Problem Details: The commit message in commit fc9a77040b04 ("PCI: designware-ep: Configure Resizable BAR cap to advertise the smallest size") claims that it modifies the Resizable BAR capability to only advertise support for 1 MB size BARs. However, the commit writes all zeroes to PCI_REBAR_CAP (the register which con...
```diff diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index 5befed2dc02b..389daebc4316 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -627,8 +627,13 @@ int dw_pcie_ep_init_complete(str...