- 11 Dec, 2023 10 commits
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Rob Herring authored
Use preferred i2c_get_match_data() instead of of_match_device() and i2c_match_id() to get the driver match data. With this, adjust the includes to explicitly include the correct headers. Adjust the 'chips' enum to not use 0, so that no match data can be distinguished from a valid enum value. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20231115205703.3730448-3-robh@kernel.org [groeck: Use double cast for enum chips assignment to make compiler happy] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Changing the "kinds" enum start value to be 1-indexed instead of 0-indexed caused look-ups in nct6775_device_names[] to be misaligned or off the end. Initialize the string list with explicit indexes. Cc: Rob Herring <robh@kernel.org> Cc: Kees Cook <keescook@chromium.org> Fixes: 10a0575e ("hwmon: nct6775-i2c: Use i2c_get_match_data()") Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Kees Cook authored
Changing the "kinds" enum start value to be 1-indexed instead of 0-indexed caused look-ups in nct6775_sio_namesp[] to be misaligned or off the end. Coverity reported: *** CID 1571052: Memory - illegal accesses (OVERRUN) drivers/hwmon/nct6775-platform.c:1075 in nct6775_find() 1069 sio_data->kind == nct6793 || sio_data->kind == nct6795 || 1070 sio_data->kind == nct6796 || sio_data->kind == nct6797 || 1071 sio_data->kind == nct6798 || sio_data->kind == nct6799) 1072 nct6791_enable_io_mapping(sio_data); 1073 1074 sio_data->sio_exit(sio_data); vvv CID 1571052: Memory - illegal accesses (OVERRUN) vvv Overrunning array "nct6775_sio_names" of 13 8-byte elements at element index 13 (byte offset 111) using index "sio_data->kind" (which evaluates to 13). 1075 pr_info("Found %s or compatible chip at %#x:%#x\n", 1076 nct6775_sio_names[sio_data->kind], sioaddr, addr); 1077 1078 return addr; 1079 } 1080 Initialize the string list with explicit indexes. Cc: Guenter Roeck <linux@roeck-us.net> Cc: Rob Herring <robh@kernel.org> Cc: Jean Delvare <jdelvare@suse.com> Cc: linux-hwmon@vger.kernel.org Fixes: 10a0575e ("hwmon: nct6775-i2c: Use i2c_get_match_data()") Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20231116140144.work.027-kees@kernel.orgSigned-off-by: Guenter Roeck <linux@roeck-us.net>
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Rob Herring authored
Use preferred i2c_get_match_data() instead of of_match_device() and i2c_match_id() to get the driver match data. With this, adjust the includes to explicitly include the correct headers. Adjust the 'kinds' enum to not use 0, so that no match data can be distinguished from a valid enum value. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20231115205703.3730448-2-robh@kernel.org [groeck: Use double cast for i2c_get_match_data() to make clang happy] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Rob Herring authored
Use preferred i2c_get_match_data() instead of of_match_device() and i2c_match_id() to get the driver match data. With this, adjust the includes to explicitly include the correct headers. Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20231115205703.3730448-1-robh@kernel.orgSigned-off-by: Guenter Roeck <linux@roeck-us.net>
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Gustavo A. R. Silva authored
Based on the documentation below, the maximum number of Fan tach channels is 16: Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt:45: 45 - aspeed,fan-tach-ch : should specify the Fan tach input channel. 46 integer value in the range 0 through 15, with 0 indicating 47 Fan tach channel 0 and 15 indicating Fan tach channel 15. 48 At least one Fan tach input channel is required. However, the compiler doesn't know that, and legitimaly warns about a potential overwrite in array `u8 fan_tach_ch_source[16]` in `struct aspeed_pwm_tacho_data`, in case `index` takes a value outside the boundaries of the array: drivers/hwmon/aspeed-pwm-tacho.c: 179 struct aspeed_pwm_tacho_data { ... 184 bool fan_tach_present[16]; ... 193 u8 fan_tach_ch_source[16]; 196 }; In function ‘aspeed_create_fan_tach_channel’, inlined from ‘aspeed_create_fan’ at drivers/hwmon/aspeed-pwm-tacho.c:877:2, inlined from ‘aspeed_pwm_tacho_probe’ at drivers/hwmon/aspeed-pwm-tacho.c:936:9: drivers/hwmon/aspeed-pwm-tacho.c:751:49: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=] 751 | priv->fan_tach_ch_source[index] = pwm_source; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ drivers/hwmon/aspeed-pwm-tacho.c: In function ‘aspeed_pwm_tacho_probe’: drivers/hwmon/aspeed-pwm-tacho.c:193:12: note: at offset [48, 255] into destination object ‘fan_tach_ch_source’ of size 16 193 | u8 fan_tach_ch_source[16]; | ^~~~~~~~~~~~~~~~~~ Fix this by sanity checking `index` before using it to index arrays of size 16 elements in `struct aspeed_pwm_tacho_data`. Also, pass `dev` as argument to function `aspeed_create_fan_tach_channel()`, and add an error message in case `index` is out-of-bounds, in which case return `-EINVAL`. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/ZVPQJIP26dIzRAr6@work [groeck: Fixed continuation line alignment] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Yang Li authored
Fix some kernel-doc comments to silence the warnings: drivers/hwmon/sht4x.c:65: warning: Function parameter or member 'valid' not described in 'sht4x_data' drivers/hwmon/sht4x.c:73: warning: Function parameter or member 'data' not described in 'sht4x_read_values' drivers/hwmon/sht4x.c:73: warning: Excess function parameter 'sht4x_data' description in 'sht4x_read_values' Reported-by: Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7220Signed-off-by: Yang Li <yang.lee@linux.alibaba.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20231110055341.39939-1-yang.lee@linux.alibaba.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>
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Delphine CC Chiu authored
Add support for EMC1442 which is compatible with EMC1402. Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com> Reviewed-by: Patrick Williams <patrick@stwcx.xyz> Link: https://lore.kernel.org/r/20231102090808.427351-1-Delphine_CC_Chiu@wiwynn.com [groeck: compatible with EMC1402, not EMC1403] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Antoniu Miclaus authored
Remove device reference from struct ltc2991_state since it is used only inside the init function. Pass the struct device as parameter to the init function instead. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20231031095647.48376-1-antoniu.miclaus@analog.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>
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Tomer Maimon authored
Adding Pulse Width Modulation (PWM) and fan tacho NPCM8xx support to NPCM PWM and fan tacho driver. NPCM8xx uses a different number of PWM devices. As part of adding NPCM8XX support: - Add NPCM8xx specific compatible string. - Add data to handle architecture-specific PWM parameters. Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> Link: https://lore.kernel.org/r/20231031075806.400872-2-tmaimon77@gmail.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>
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- 10 Dec, 2023 7 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fix from Borislav Petkov: - Make sure tasks are thawed exactly and only once to avoid their state getting corrupted * tag 'sched_urgent_for_v6.7_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: freezer,sched: Do not restore saved_state of a thawed task
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf event fix from Borislav Petkov: - Make sure perf event size validation is done on every event in the group * tag 'perf_urgent_for_v6.7_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf: Fix perf_event_validate_size()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Borislav Petkov: - Add a forgotten CPU vendor check in the AMD microcode post-loading callback so that the callback runs only on AMD - Make sure SEV-ES protocol negotiation happens only once and on the BSP * tag 'x86_urgent_for_v6.7_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/CPU/AMD: Check vendor in the AMD microcode callback x86/sev: Fix kernel crash due to late update to read-only ghcb_version
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull kvm fixes from Paolo Bonzini: "Generic: - Set .owner for various KVM file_operations so that files refcount the KVM module until KVM is done executing _all_ code, including the last few instructions of kvm_put_kvm(). And then revert the misguided attempt to rely on "struct kvm" refcounts to pin KVM-the-module. ARM: - Do not redo the mapping of vLPIs, if they have already been mapped s390: - Do not leave bits behind in PTEs - Properly catch page invalidations that affect the prefix of a nested guest x86: - When checking if a _running_ vCPU is "in-kernel", i.e. running at CPL0, get the CPL directly instead of relying on preempted_in_kernel (which is valid if and only if the vCPU was preempted, i.e. NOT running). - Fix a benign "return void" that was recently introduced. Selftests: - Makefile tweak for dependency generation - '-Wformat' fix" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SVM: Update EFER software model on CR0 trap for SEV-ES KVM: selftests: add -MP to CFLAGS KVM: selftests: Actually print out magic token in NX hugepages skip message KVM: x86: Remove 'return void' expression for 'void function' Revert "KVM: Prevent module exit until all VMs are freed" KVM: Set file_operations.owner appropriately for all such structures KVM: x86: Get CPL directly when checking if loaded vCPU is in kernel mode KVM: arm64: GICv4: Do not perform a map to a mapped vLPI KVM: s390/mm: Properly reset no-dat KVM: s390: vsie: fix wrong VIR 37 when MSO is used
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fix from Michael Ellerman: - Fix stack teardown in ftrace_no_trace, seen as crashes doing CPU hotplug while ftrace is active. Thanks to Naveen N Rao. * tag 'powerpc-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/ftrace: Fix stack teardown in ftrace_no_trace
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linuxLinus Torvalds authored
Pull gpio fix from Bartosz Golaszewski: - fix an error path after a failed export in sysfs code * tag 'gpio-fixes-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpiolib: sysfs: Fix error handling on failed export
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- 09 Dec, 2023 15 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are some small USB fixes for 6.7-rc5 to resolve some reported issues. Included in here are: - usb gadget f_hid, and uevent fix - xhci driver revert to resolve a much-reported issue - typec driver fix All of these have been in linux-next with no reported issues" * tag 'usb-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: gadget: f_hid: fix report descriptor allocation Revert "xhci: Loosen RPM as default policy to cover for AMD xHC 1.1" usb: typec: class: fix typec_altmode_put_partner to put plugs USB: gadget: core: adjust uevent timing on gadget unbind
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull serial driver fixes from Greg KH: "Here are some small serial driver fixes for 6.7-rc4 to resolve some reported issues. Included in here are: - pl011 dma support fix - sc16is7xx driver fix - ma35d1 console index fix - 8250 driver fixes for small issues All of these have been in linux-next with no reported issues" * tag 'tty-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: 8250_dw: Add ACPI ID for Granite Rapids-D UART serial: ma35d1: Validate console index before assignment ARM: PL011: Fix DMA support serial: sc16is7xx: address RX timeout interrupt errata serial: 8250: 8250_omap: Clear UART_HAS_RHR_IT_DIS bit serial: 8250_omap: Add earlycon support for the AM654 UART controller serial: 8250: 8250_omap: Do not start RX DMA on THRI interrupt
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char / misc driver fixes from Greg KH: "Here are some small fixes for 6.7-rc5 for a variety of small driver subsystems. Included in here are: - debugfs revert for reported issue - greybus revert for reported issue - greybus fixup for endian build warning - coresight driver fixes - nvmem driver fixes - devcoredump fix - parport new device id - ndtest build fix All of these have ben in linux-next with no reported issues" * tag 'char-misc-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: nvmem: Do not expect fixed layouts to grab a layout driver parport: Add support for Brainboxes IX/UC/PX parallel cards Revert "greybus: gb-beagleplay: Ensure le for values in transport" greybus: gb-beagleplay: Ensure le for values in transport greybus: BeaglePlay driver needs CRC_CCITT Revert "debugfs: annotate debugfs handlers vs. removal with lockdep" devcoredump: Send uevent once devcd is ready ndtest: fix typo class_regster -> class_register misc: mei: client.c: fix problem of return '-EOVERFLOW' in mei_cl_write misc: mei: client.c: return negative error code in mei_cl_write mei: pxp: fix mei_pxp_send_message return value coresight: ultrasoc-smb: Fix uninitialized before use buf_hw_base coresight: ultrasoc-smb: Config SMB buffer before register sink coresight: ultrasoc-smb: Fix sleep while close preempt in enable_smb Documentation: coresight: fix `make refcheckdocs` warning hwtracing: hisi_ptt: Don't try to attach a task hwtracing: hisi_ptt: Handle the interrupt in hardirq context hwtracing: hisi_ptt: Add dummy callback pmu::read() coresight: Fix crash when Perf and sysfs modes are used concurrently coresight: etm4x: Remove bogous __exit annotation for some functions
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Linus Torvalds authored
Merge tag 'loongarch-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch fixes from Huacai Chen: "Preserve syscall nr across execve(), slightly clean up drdtime(), fix the Clang built zboot kernel, fix a stack unwinder bug and several bpf jit bugs" * tag 'loongarch-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: LoongArch: BPF: Fix unconditional bswap instructions LoongArch: BPF: Fix sign-extension mov instructions LoongArch: BPF: Don't sign extend function return value LoongArch: BPF: Don't sign extend memory load operand LoongArch: Preserve syscall nr across execve() LoongArch: Set unwind stack type to unknown rather than set error flag LoongArch: Slightly clean up drdtime() LoongArch: Apply dynamic relocations for LLD
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds authored
Pull MIPS fixes from Thomas Bogendoerfer: - Fixes for broken Loongson firmware - Fix lockdep splat - Fix FPU states when creating kernel threads * tag 'mips-fixes_6.7_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: kernel: Clear FPU states when setting up kernel threads MIPS: Loongson64: Handle more memory types passed from firmware MIPS: Loongson64: Enable DMA noncoherent support MIPS: Loongson64: Reserve vgabios memory on boot mips/smp: Call rcutree_report_cpu_starting() earlier
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Linus Torvalds authored
Merge tag 'perf-tools-fixes-for-v6.7-2-2023-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools Pull perf tools fixes from Namhyung Kim: "A random set of small bug fixes including: - Fix segfault on AmpereOne due to missing default metricgroup name - Fix segfault on `perf list --json` due to NULL pointer" * tag 'perf-tools-fixes-for-v6.7-2-2023-12-08' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: perf list: Fix JSON segfault by setting the used skip_duplicate_pmus callback perf vendor events arm64: AmpereOne: Add missing DefaultMetricgroupName fields perf metrics: Avoid segv if default metricgroup isn't set
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull smb client fixes from Steve French: "Six smb3 client fixes: - Fixes for copy_file_range and clone (cache invalidation and file size), also addresses an xfstest failure - Fix to return proper error if REMAP_FILE_DEDUP set (also fixes xfstest generic/304) - Fix potential null pointer reference with DFS - Multichannel fix addressing (reverting an earlier patch) some of the problems with enabling/disabling channels dynamically Still working on a followon multichannel fix to address another issue found in reconnect testing that will send next week" * tag '6.7-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: reconnect worker should take reference on server struct unconditionally Revert "cifs: reconnect work should have reference on server struct" cifs: Fix non-availability of dedup breaking generic/304 smb: client: fix potential NULL deref in parse_dfs_referrals() cifs: Fix flushing, invalidation and file size with FICLONE cifs: Fix flushing, invalidation and file size with copy_file_range()
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Tiezhu Yang authored
We can see that "bswap32: Takes an unsigned 32-bit number in either big- or little-endian format and returns the equivalent number with the same bit width but opposite endianness" in BPF Instruction Set Specification, so it should clear the upper 32 bits in "case 32:" for both BPF_ALU and BPF_ALU64. [root@linux fedora]# echo 1 > /proc/sys/net/core/bpf_jit_enable [root@linux fedora]# modprobe test_bpf Before: test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 jited:1 ret 1460850314 != -271733879 (0x5712ce8a != 0xefcdab89)FAIL (1 times) test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 jited:1 ret -1460850316 != 271733878 (0xa8ed3174 != 0x10325476)FAIL (1 times) After: test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 jited:1 4 PASS test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 jited:1 4 PASS Fixes: 4ebf9216 ("LoongArch: BPF: Support unconditional bswap instructions") Acked-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Tiezhu Yang authored
We can see that "Short form of movsx, dst_reg = (s8,s16,s32)src_reg" in include/linux/filter.h, additionally, for BPF_ALU64 the value of the destination register is unchanged whereas for BPF_ALU the upper 32 bits of the destination register are zeroed, so it should clear the upper 32 bits for BPF_ALU. [root@linux fedora]# echo 1 > /proc/sys/net/core/bpf_jit_enable [root@linux fedora]# modprobe test_bpf Before: test_bpf: #81 ALU_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #82 ALU_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) After: test_bpf: #81 ALU_MOVSX | BPF_B jited:1 6 PASS test_bpf: #82 ALU_MOVSX | BPF_H jited:1 6 PASS By the way, the bpf selftest case "./test_progs -t verifier_movsx" can also be fixed with this patch. Fixes: f48012f1 ("LoongArch: BPF: Support sign-extension mov instructions") Acked-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Hengqi Chen authored
The `cls_redirect` test triggers a kernel panic like: # ./test_progs -t cls_redirect Can't find bpf_testmod.ko kernel module: -2 WARNING! Selftests relying on bpf_testmod.ko will be skipped. [ 30.938489] CPU 3 Unable to handle kernel paging request at virtual address fffffffffd814de0, era == ffff800002009fb8, ra == ffff800002009f9c [ 30.939331] Oops[#1]: [ 30.939513] CPU: 3 PID: 1260 Comm: test_progs Not tainted 6.7.0-rc2-loong-devel-g2f56bb0d2327 #35 a896aca3f4164f09cc346f89f2e09832e07be5f6 [ 30.939732] Hardware name: QEMU QEMU Virtual Machine, BIOS unknown 2/2/2022 [ 30.939901] pc ffff800002009fb8 ra ffff800002009f9c tp 9000000104da4000 sp 9000000104da7ab0 [ 30.940038] a0 fffffffffd814de0 a1 9000000104da7a68 a2 0000000000000000 a3 9000000104da7c10 [ 30.940183] a4 9000000104da7c14 a5 0000000000000002 a6 0000000000000021 a7 00005555904d7f90 [ 30.940321] t0 0000000000000110 t1 0000000000000000 t2 fffffffffd814de0 t3 0004c4b400000000 [ 30.940456] t4 ffffffffffffffff t5 00000000c3f63600 t6 0000000000000000 t7 0000000000000000 [ 30.940590] t8 000000000006d803 u0 0000000000000020 s9 9000000104da7b10 s0 900000010504c200 [ 30.940727] s1 fffffffffd814de0 s2 900000010504c200 s3 9000000104da7c10 s4 9000000104da7ad0 [ 30.940866] s5 0000000000000000 s6 90000000030e65bc s7 9000000104da7b44 s8 90000000044f6fc0 [ 30.941015] ra: ffff800002009f9c bpf_prog_846803e5ae81417f_cls_redirect+0xa0/0x590 [ 30.941535] ERA: ffff800002009fb8 bpf_prog_846803e5ae81417f_cls_redirect+0xbc/0x590 [ 30.941696] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) [ 30.942224] PRMD: 00000004 (PPLV0 +PIE -PWE) [ 30.942330] EUEN: 00000003 (+FPE +SXE -ASXE -BTE) [ 30.942453] ECFG: 00071c1c (LIE=2-4,10-12 VS=7) [ 30.942612] ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0) [ 30.942764] BADV: fffffffffd814de0 [ 30.942854] PRID: 0014c010 (Loongson-64bit, Loongson-3A5000) [ 30.942974] Modules linked in: [ 30.943078] Process test_progs (pid: 1260, threadinfo=00000000ce303226, task=000000007d10bb76) [ 30.943306] Stack : 900000010a064000 90000000044f6fc0 9000000104da7b48 0000000000000000 [ 30.943495] 0000000000000000 9000000104da7c14 9000000104da7c10 900000010504c200 [ 30.943626] 0000000000000001 ffff80001b88c000 9000000104da7b70 90000000030e6668 [ 30.943785] 0000000000000000 9000000104da7b58 ffff80001b88c048 9000000003d05000 [ 30.943936] 900000000303ac88 0000000000000000 0000000000000000 9000000104da7b70 [ 30.944091] 0000000000000000 0000000000000001 0000000731eeab00 0000000000000000 [ 30.944245] ffff80001b88c000 0000000000000000 0000000000000000 54b99959429f83b8 [ 30.944402] ffff80001b88c000 90000000044f6fc0 9000000101d70000 ffff80001b88c000 [ 30.944538] 000000000000005a 900000010504c200 900000010a064000 900000010a067000 [ 30.944697] 9000000104da7d88 0000000000000000 9000000003d05000 90000000030e794c [ 30.944852] ... [ 30.944924] Call Trace: [ 30.945120] [<ffff800002009fb8>] bpf_prog_846803e5ae81417f_cls_redirect+0xbc/0x590 [ 30.945650] [<90000000030e6668>] bpf_test_run+0x1ec/0x2f8 [ 30.945958] [<90000000030e794c>] bpf_prog_test_run_skb+0x31c/0x684 [ 30.946065] [<90000000026d4f68>] __sys_bpf+0x678/0x2724 [ 30.946159] [<90000000026d7288>] sys_bpf+0x20/0x2c [ 30.946253] [<90000000032dd224>] do_syscall+0x7c/0x94 [ 30.946343] [<9000000002541c5c>] handle_syscall+0xbc/0x158 [ 30.946492] [ 30.946549] Code: 0015030e 5c0009c0 5001d000 <28c00304> 02c00484 29c00304 00150009 2a42d2e4 0280200d [ 30.946793] [ 30.946971] ---[ end trace 0000000000000000 ]--- [ 32.093225] Kernel panic - not syncing: Fatal exception in interrupt [ 32.093526] Kernel relocated by 0x2320000 [ 32.093630] .text @ 0x9000000002520000 [ 32.093725] .data @ 0x9000000003400000 [ 32.093792] .bss @ 0x9000000004413200 [ 34.971998] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- This is because we signed-extend function return values. When subprog mode is enabled, we have: cls_redirect() -> get_global_metrics() returns pcpu ptr 0xfffffefffc00b480 The pointer returned is later signed-extended to 0xfffffffffc00b480 at `BPF_JMP | BPF_EXIT`. During BPF prog run, this triggers unhandled page fault and a kernel panic. Drop the unnecessary signed-extension on return values like other architectures do. With this change, we have: # ./test_progs -t cls_redirect Can't find bpf_testmod.ko kernel module: -2 WARNING! Selftests relying on bpf_testmod.ko will be skipped. #51/1 cls_redirect/cls_redirect_inlined:OK #51/2 cls_redirect/IPv4 TCP accept unknown (no hops, flags: SYN):OK #51/3 cls_redirect/IPv6 TCP accept unknown (no hops, flags: SYN):OK #51/4 cls_redirect/IPv4 TCP accept unknown (no hops, flags: ACK):OK #51/5 cls_redirect/IPv6 TCP accept unknown (no hops, flags: ACK):OK #51/6 cls_redirect/IPv4 TCP forward unknown (one hop, flags: ACK):OK #51/7 cls_redirect/IPv6 TCP forward unknown (one hop, flags: ACK):OK #51/8 cls_redirect/IPv4 TCP accept known (one hop, flags: ACK):OK #51/9 cls_redirect/IPv6 TCP accept known (one hop, flags: ACK):OK #51/10 cls_redirect/IPv4 UDP accept unknown (no hops, flags: none):OK #51/11 cls_redirect/IPv6 UDP accept unknown (no hops, flags: none):OK #51/12 cls_redirect/IPv4 UDP forward unknown (one hop, flags: none):OK #51/13 cls_redirect/IPv6 UDP forward unknown (one hop, flags: none):OK #51/14 cls_redirect/IPv4 UDP accept known (one hop, flags: none):OK #51/15 cls_redirect/IPv6 UDP accept known (one hop, flags: none):OK #51/16 cls_redirect/cls_redirect_subprogs:OK #51/17 cls_redirect/IPv4 TCP accept unknown (no hops, flags: SYN):OK #51/18 cls_redirect/IPv6 TCP accept unknown (no hops, flags: SYN):OK #51/19 cls_redirect/IPv4 TCP accept unknown (no hops, flags: ACK):OK #51/20 cls_redirect/IPv6 TCP accept unknown (no hops, flags: ACK):OK #51/21 cls_redirect/IPv4 TCP forward unknown (one hop, flags: ACK):OK #51/22 cls_redirect/IPv6 TCP forward unknown (one hop, flags: ACK):OK #51/23 cls_redirect/IPv4 TCP accept known (one hop, flags: ACK):OK #51/24 cls_redirect/IPv6 TCP accept known (one hop, flags: ACK):OK #51/25 cls_redirect/IPv4 UDP accept unknown (no hops, flags: none):OK #51/26 cls_redirect/IPv6 UDP accept unknown (no hops, flags: none):OK #51/27 cls_redirect/IPv4 UDP forward unknown (one hop, flags: none):OK #51/28 cls_redirect/IPv6 UDP forward unknown (one hop, flags: none):OK #51/29 cls_redirect/IPv4 UDP accept known (one hop, flags: none):OK #51/30 cls_redirect/IPv6 UDP accept known (one hop, flags: none):OK #51/31 cls_redirect/cls_redirect_dynptr:OK #51/32 cls_redirect/IPv4 TCP accept unknown (no hops, flags: SYN):OK #51/33 cls_redirect/IPv6 TCP accept unknown (no hops, flags: SYN):OK #51/34 cls_redirect/IPv4 TCP accept unknown (no hops, flags: ACK):OK #51/35 cls_redirect/IPv6 TCP accept unknown (no hops, flags: ACK):OK #51/36 cls_redirect/IPv4 TCP forward unknown (one hop, flags: ACK):OK #51/37 cls_redirect/IPv6 TCP forward unknown (one hop, flags: ACK):OK #51/38 cls_redirect/IPv4 TCP accept known (one hop, flags: ACK):OK #51/39 cls_redirect/IPv6 TCP accept known (one hop, flags: ACK):OK #51/40 cls_redirect/IPv4 UDP accept unknown (no hops, flags: none):OK #51/41 cls_redirect/IPv6 UDP accept unknown (no hops, flags: none):OK #51/42 cls_redirect/IPv4 UDP forward unknown (one hop, flags: none):OK #51/43 cls_redirect/IPv6 UDP forward unknown (one hop, flags: none):OK #51/44 cls_redirect/IPv4 UDP accept known (one hop, flags: none):OK #51/45 cls_redirect/IPv6 UDP accept known (one hop, flags: none):OK #51 cls_redirect:OK Summary: 1/45 PASSED, 0 SKIPPED, 0 FAILED Fixes: 5dc61552 ("LoongArch: Add BPF JIT support") Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Hengqi Chen authored
The `cgrp_local_storage` test triggers a kernel panic like: # ./test_progs -t cgrp_local_storage Can't find bpf_testmod.ko kernel module: -2 WARNING! Selftests relying on bpf_testmod.ko will be skipped. [ 550.930632] CPU 1 Unable to handle kernel paging request at virtual address 0000000000000080, era == ffff80000200be34, ra == ffff80000200be00 [ 550.931781] Oops[#1]: [ 550.931966] CPU: 1 PID: 1303 Comm: test_progs Not tainted 6.7.0-rc2-loong-devel-g2f56bb0d2327 #35 a896aca3f4164f09cc346f89f2e09832e07be5f6 [ 550.932215] Hardware name: QEMU QEMU Virtual Machine, BIOS unknown 2/2/2022 [ 550.932403] pc ffff80000200be34 ra ffff80000200be00 tp 9000000108350000 sp 9000000108353dc0 [ 550.932545] a0 0000000000000000 a1 0000000000000517 a2 0000000000000118 a3 00007ffffbb15558 [ 550.932682] a4 00007ffffbb15620 a5 90000001004e7700 a6 0000000000000021 a7 0000000000000118 [ 550.932824] t0 ffff80000200bdc0 t1 0000000000000517 t2 0000000000000517 t3 00007ffff1c06ee0 [ 550.932961] t4 0000555578ae04d0 t5 fffffffffffffff8 t6 0000000000000004 t7 0000000000000020 [ 550.933097] t8 0000000000000040 u0 00000000000007b8 s9 9000000108353e00 s0 90000001004e7700 [ 550.933241] s1 9000000004005000 s2 0000000000000001 s3 0000000000000000 s4 0000555555eb2ec8 [ 550.933379] s5 00007ffffbb15bb8 s6 00007ffff1dafd60 s7 000055555663f610 s8 00007ffff1db0050 [ 550.933520] ra: ffff80000200be00 bpf_prog_98f1b9e767be2a84_on_enter+0x40/0x200 [ 550.933911] ERA: ffff80000200be34 bpf_prog_98f1b9e767be2a84_on_enter+0x74/0x200 [ 550.934105] CRMD: 000000b0 (PLV0 -IE -DA +PG DACF=CC DACM=CC -WE) [ 550.934596] PRMD: 00000004 (PPLV0 +PIE -PWE) [ 550.934712] EUEN: 00000003 (+FPE +SXE -ASXE -BTE) [ 550.934836] ECFG: 00071c1c (LIE=2-4,10-12 VS=7) [ 550.934976] ESTAT: 00010000 [PIL] (IS= ECode=1 EsubCode=0) [ 550.935097] BADV: 0000000000000080 [ 550.935181] PRID: 0014c010 (Loongson-64bit, Loongson-3A5000) [ 550.935291] Modules linked in: [ 550.935391] Process test_progs (pid: 1303, threadinfo=000000006c3b1c41, task=0000000061f84a55) [ 550.935643] Stack : 00007ffffbb15bb8 0000555555eb2ec8 0000000000000000 0000000000000001 [ 550.935844] 9000000004005000 ffff80001b864000 00007ffffbb15450 90000000029aa034 [ 550.935990] 0000000000000000 9000000108353ec0 0000000000000118 d07d9dfb09721a09 [ 550.936175] 0000000000000001 0000000000000000 9000000108353ec0 0000000000000118 [ 550.936314] 9000000101d46ad0 900000000290abf0 000055555663f610 0000000000000000 [ 550.936479] 0000000000000003 9000000108353ec0 00007ffffbb15450 90000000029d7288 [ 550.936635] 00007ffff1dafd60 000055555663f610 0000000000000000 0000000000000003 [ 550.936779] 9000000108353ec0 90000000035dd1f0 00007ffff1dafd58 9000000002841c5c [ 550.936939] 0000000000000119 0000555555eea5a8 00007ffff1d78780 00007ffffbb153e0 [ 550.937083] ffffffffffffffda 00007ffffbb15518 0000000000000040 00007ffffbb15558 [ 550.937224] ... [ 550.937299] Call Trace: [ 550.937521] [<ffff80000200be34>] bpf_prog_98f1b9e767be2a84_on_enter+0x74/0x200 [ 550.937910] [<90000000029aa034>] bpf_trace_run2+0x90/0x154 [ 550.938105] [<900000000290abf0>] syscall_trace_enter.isra.0+0x1cc/0x200 [ 550.938224] [<90000000035dd1f0>] do_syscall+0x48/0x94 [ 550.938319] [<9000000002841c5c>] handle_syscall+0xbc/0x158 [ 550.938477] [ 550.938607] Code: 580009ae 50016000 262402e4 <28c20085> 14092084 03a00084 16000024 03240084 00150006 [ 550.938851] [ 550.939021] ---[ end trace 0000000000000000 ]--- Further investigation shows that this panic is triggered by memory load operations: ptr = bpf_cgrp_storage_get(&map_a, task->cgroups->dfl_cgrp, 0, BPF_LOCAL_STORAGE_GET_F_CREATE); The expression `task->cgroups->dfl_cgrp` involves two memory load. Since the field offset fits in imm12 or imm14, we use ldd or ldptrd instructions. But both instructions have the side effect that it will signed-extended the imm operand. Finally, we got the wrong addresses and panics is inevitable. Use a generic ldxd instruction to avoid this kind of issues. With this change, we have: # ./test_progs -t cgrp_local_storage Can't find bpf_testmod.ko kernel module: -2 WARNING! Selftests relying on bpf_testmod.ko will be skipped. test_cgrp_local_storage:PASS:join_cgroup /cgrp_local_storage 0 nsec #48/1 cgrp_local_storage/tp_btf:OK test_attach_cgroup:PASS:skel_open 0 nsec test_attach_cgroup:PASS:prog_attach 0 nsec test_attach_cgroup:PASS:prog_attach 0 nsec libbpf: prog 'update_cookie_tracing': failed to attach: ERROR: strerror_r(-524)=22 test_attach_cgroup:FAIL:prog_attach unexpected error: -524 #48/2 cgrp_local_storage/attach_cgroup:FAIL test_recursion:PASS:skel_open_and_load 0 nsec libbpf: prog 'on_lookup': failed to attach: ERROR: strerror_r(-524)=22 libbpf: prog 'on_lookup': failed to auto-attach: -524 test_recursion:FAIL:skel_attach unexpected error: -524 (errno 524) #48/3 cgrp_local_storage/recursion:FAIL #48/4 cgrp_local_storage/negative:OK #48/5 cgrp_local_storage/cgroup_iter_sleepable:OK test_yes_rcu_lock:PASS:skel_open 0 nsec test_yes_rcu_lock:PASS:skel_load 0 nsec libbpf: prog 'yes_rcu_lock': failed to attach: ERROR: strerror_r(-524)=22 libbpf: prog 'yes_rcu_lock': failed to auto-attach: -524 test_yes_rcu_lock:FAIL:skel_attach unexpected error: -524 (errno 524) #48/6 cgrp_local_storage/yes_rcu_lock:FAIL #48/7 cgrp_local_storage/no_rcu_lock:OK #48 cgrp_local_storage:FAIL All error logs: test_cgrp_local_storage:PASS:join_cgroup /cgrp_local_storage 0 nsec test_attach_cgroup:PASS:skel_open 0 nsec test_attach_cgroup:PASS:prog_attach 0 nsec test_attach_cgroup:PASS:prog_attach 0 nsec libbpf: prog 'update_cookie_tracing': failed to attach: ERROR: strerror_r(-524)=22 test_attach_cgroup:FAIL:prog_attach unexpected error: -524 #48/2 cgrp_local_storage/attach_cgroup:FAIL test_recursion:PASS:skel_open_and_load 0 nsec libbpf: prog 'on_lookup': failed to attach: ERROR: strerror_r(-524)=22 libbpf: prog 'on_lookup': failed to auto-attach: -524 test_recursion:FAIL:skel_attach unexpected error: -524 (errno 524) #48/3 cgrp_local_storage/recursion:FAIL test_yes_rcu_lock:PASS:skel_open 0 nsec test_yes_rcu_lock:PASS:skel_load 0 nsec libbpf: prog 'yes_rcu_lock': failed to attach: ERROR: strerror_r(-524)=22 libbpf: prog 'yes_rcu_lock': failed to auto-attach: -524 test_yes_rcu_lock:FAIL:skel_attach unexpected error: -524 (errno 524) #48/6 cgrp_local_storage/yes_rcu_lock:FAIL #48 cgrp_local_storage:FAIL Summary: 0/4 PASSED, 0 SKIPPED, 1 FAILED No panics any more (The test still failed because lack of BPF trampoline which I am actively working on). Fixes: 5dc61552 ("LoongArch: Add BPF JIT support") Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Hengqi Chen authored
Currently, we store syscall nr in pt_regs::regs[11] and syscall execve() accidentally overrides it during its execution: sys_execve() -> do_execve() -> do_execveat_common() -> bprm_execve() -> exec_binprm() -> search_binary_handler() -> load_elf_binary() -> ELF_PLAT_INIT() ELF_PLAT_INIT() reset regs[11] to 0, so in syscall_exit_to_user_mode() we later get a wrong syscall nr. This breaks tools like execsnoop since it relies on execve() tracepoints. Skip pt_regs::regs[11] reset in ELF_PLAT_INIT() to fix the issue. Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Jinyang He authored
During unwinding, unwind_done() is used as an end condition. Normally it unwind to the user stack and then set the stack type to unknown, which is a normal exit. When something unexpected happens in unwind process and we cannot unwind anymore, we should set the error flag, and also set the stack type to unknown to indicate that the unwind process can not continue. The error flag emphasizes that the unwind process produce an unexpected error. There is no unexpected things when we unwind the PT_REGS in the top of IRQ stack and find out that is an user mode PT_REGS. Thus, we should not set error flag and just set stack type to unknown. Reported-by: Hengqi Chen <hengqi.chen@gmail.com> Acked-by: Hengqi Chen <hengqi.chen@gmail.com> Signed-off-by: Jinyang He <hejinyang@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Xi Ruoyao authored
As we are just discarding the stable clock ID, simply write it into $zero instead of allocating a temporary register. Signed-off-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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WANG Rui authored
For the following assembly code: .text .global func func: nop .data var: .dword func When linked with `-pie`, GNU LD populates the `var` variable with the pre-relocated value of `func`. However, LLVM LLD does not exhibit the same behavior. This issue also arises with the `kernel_entry` in arch/ loongarch/kernel/head.S: _head: .word MZ_MAGIC /* "MZ", MS-DOS header */ .org 0x8 .dword kernel_entry /* Kernel entry point */ The correct kernel entry from the MS-DOS header is crucial for jumping to vmlinux from zboot. This necessity is why the compressed relocatable kernel compiled by Clang encounters difficulties in booting. To address this problem, it is proposed to apply dynamic relocations to place with `--apply-dynamic-relocs`. Link: https://github.com/ClangBuiltLinux/linux/issues/1962Signed-off-by: WANG Rui <wangrui@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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- 08 Dec, 2023 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fix from James Bottomley: "One tiny fix to the be2iscsi driver fixing a memory leak in an error leg" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: be2iscsi: Fix a memleak in beiscsi_init_wrb_handle()
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull block fixes from Jens Axboe: "Nothing major in here, just miscellanous fixes for MD and NVMe: - NVMe pull request via Keith: - Proper nvme ctrl state setting (Keith) - Passthrough command optimization (Keith) - Spectre fix (Nitesh) - Kconfig clarifications (Shin'ichiro) - Frozen state deadlock fix (Bitao) - Power setting quirk (Georg) - MD pull requests via Song: - 6.7 regresisons with recovery/sync (Yu) - Reshape fix (David)" * tag 'block-6.7-2023-12-08' of git://git.kernel.dk/linux: md: split MD_RECOVERY_NEEDED out of mddev_resume nvme-pci: Add sleep quirk for Kingston drives md: fix stopping sync thread md: don't leave 'MD_RECOVERY_FROZEN' in error path of md_set_readonly() md: fix missing flush of sync_work nvme: fix deadlock between reset and scan nvme: prevent potential spectre v1 gadget nvme: improve NVME_HOST_AUTH and NVME_TARGET_AUTH config descriptions nvme-ioctl: move capable() admin check to the end nvme: ensure reset state check ordering nvme: introduce helper function to get ctrl state md/raid6: use valid sector values to determine if an I/O should wait on the reshape
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git://git.kernel.dk/linuxLinus Torvalds authored
Pull io_uring fixes from Jens Axboe: "Two minor fixes for issues introduced in this release cycle, and two fixes for issues or potential issues that are heading to stable. One of these ends up disabling passing io_uring file descriptors via SCM_RIGHTS. There really shouldn't be an overlap between that kind of historic use case and modern usage of io_uring, which is why this was deemed appropriate" * tag 'io_uring-6.7-2023-12-08' of git://git.kernel.dk/linux: io_uring/af_unix: disable sending io_uring over sockets io_uring/kbuf: check for buffer list readiness after NULL check io_uring/kbuf: Fix an NULL vs IS_ERR() bug in io_alloc_pbuf_ring() io_uring: fix mutex_unlock with unreferenced ctx
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdmaLinus Torvalds authored
Pull rdma fixes from Jason Gunthorpe: "Primarily rtrs and irdma fixes: - Fix uninitialized value in ib_get_eth_speed() - Fix hns refusing to work if userspace doesn't select the correct congestion control algorithm - Several irdma fixes - unreliable Send Queue Drain, use after free, 64k page size bugs, device removal races - Several rtrs bug fixes - crashes, memory leaks, use after free, bad credit accounting, bogus WARN_ON - Typos and a MAINTAINER update" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: RDMA/irdma: Avoid free the non-cqp_request scratch RDMA/irdma: Fix support for 64k pages RDMA/irdma: Ensure iWarp QP queue memory is OS paged aligned RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz RDMA/irdma: Fix UAF in irdma_sc_ccq_get_cqe_info() RDMA/bnxt_re: Correct module description string RDMA/rtrs-clt: Remove the warnings for req in_use check RDMA/rtrs-clt: Fix the max_send_wr setting RDMA/rtrs-srv: Destroy path files after making sure no IOs in-flight RDMA/rtrs-srv: Free srv_mr iu only when always_invalidate is true RDMA/rtrs-srv: Check return values while processing info request RDMA/rtrs-clt: Start hb after path_up RDMA/rtrs-srv: Do not unconditionally enable irq MAINTAINERS: Add Chengchang Tang as Hisilicon RoCE maintainer RDMA/irdma: Add wait for suspend on SQD RDMA/irdma: Do not modify to SQD on error RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm RDMA/core: Fix uninit-value access in ib_get_eth_speed()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fix from Rafael Wysocki: "Fix cpufreq reference counting in the DTPM (dynamic thermal and power management) power capping framework (Lukasz Luba)" * tag 'pm-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: powercap: DTPM: Fix missing cpufreq_cpu_put() calls
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI fix from Rafael Wysocki: "Fix a possible crash on an attempt to free unallocated memory in the error path of acpi_evaluate_reference() that has been introduced by one of the recent changes (Rafael Wysocki)" * tag 'acpi-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI: utils: Fix error path in acpi_evaluate_reference()
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Linus Torvalds authored
Merge tag 'hwmon-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fixes from Guenter Roeck: - acpi_power_meter: Fix 4.29 MW output seen if acpi reports bad data - corsair-psu: Fix ability to probe if the driver is built into the kernel - ltc2991: Fix spelling mistake "contiuous" -> "continuous" - max31827: Add missing regulator header file include - nzxt-kraken2: Fix error handling path in probe function * tag 'hwmon-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (corsair-psu) Fix probe when built-in hwmon: (nzxt-kraken2) Fix error handling path in kraken2_probe() hwmon: (acpi_power_meter) Fix 4.29 MW bug hwmon: max31827: include regulator header hwmon: ltc2991: Fix spelling mistake "contiuous" -> "continuous"
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https://git.pengutronix.de/git/ukl/linuxLinus Torvalds authored
Pull pwm fix from Uwe Kleine-König: "This fixes a null pointer exception in the bcm2835 pwm driver. The problem was introduced by a combination of two commits merged for v6.7-rc1 where each change alone would have been fine. Thanks to Florian Fainelli for noticing and fixing the issue" * tag 'pwm/for-6.7-rc5-fixes' of https://git.pengutronix.de/git/ukl/linux: pwm: bcm2835: Fix NPD in suspend/resume
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