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de1cae22898cf10aacc735a21d799b5bbce4496c
Analyze and fix the following issue in the Linux kernel code: ASoC: amd: ps: Fix uninitialized ret in create_acp64_platform_devs()
Problem Details: Clang warns: sound/soc/amd/ps/pci-ps.c:218:2: error: variable 'ret' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized] default: ^~~~~~~ sound/soc/amd/ps/pci-ps.c:239:9: note: uninitialized use occurs here return ret; ...
```diff diff --git a/sound/soc/amd/ps/pci-ps.c b/sound/soc/amd/ps/pci-ps.c index 8293c97ecdd6..e86f23d97584 100644 --- a/sound/soc/amd/ps/pci-ps.c +++ b/sound/soc/amd/ps/pci-ps.c @@ -222,7 +222,7 @@ static int create_acp63_platform_devs(struct pci_dev *pci, struct acp63_dev_data break; default: dev_dbg(&pci->de...
5f9cd0f7c1499174b099a1bda67693df268e711e
Analyze and fix the following issue in the Linux kernel code: ASoC: dt-bindings: qcom,lpass-cpu: Fix DAI children pattern
Problem Details: DAI children (as subnodes) can come with two-digit unit addresses: sc7280-herobrine-crd.dtb: audio@3987000: Unevaluated properties are not allowed ('dai-link@19', 'dai-link@25' were unexpected) Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel...
```diff diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml index f00fc1051d4d..16248629f659 100644 --- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml @@ -7...
0cbf1ecd8c4801ec7566231491f7ad9cec31098b
Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: Fix building APQ8016 machine driver without SOUNDWIRE
Problem Details: Older Qualcomm platforms like APQ8016 do not have hardware support for SoundWire, so kernel configurations made specifically for those platforms will usually not have CONFIG_SOUNDWIRE enabled. Unfortunately commit 8d89cf6ff229 ("ASoC: qcom: cleanup and fix dependency of QCOM_COMMON") breaks those kern...
```diff diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig index 96a6d4731e6f..e7b00d1d9e99 100644 --- a/sound/soc/qcom/Kconfig +++ b/sound/soc/qcom/Kconfig @@ -2,7 +2,6 @@ menuconfig SND_SOC_QCOM tristate "ASoC support for QCOM platforms" depends on ARCH_QCOM || COMPILE_TEST - imply SND_SOC_QCOM_COMMON ...
75507a319876aba88932e2c7dab58b6c22d89f6b
Analyze and fix the following issue in the Linux kernel code: i2c: designware: Fix unbalanced suspended flag
Problem Details: Ensure that i2c_mark_adapter_suspended() is always balanced by a call to i2c_mark_adapter_resumed(). dw_i2c_plat_resume() must always be called, so that i2c_mark_adapter_resumed() is called. This is not compatible with DPM_FLAG_MAY_SKIP_RESUME, so remove the flag. Since the controller is always resum...
```diff diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index ba043b547393..74182db03a88 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -351,13 +351,11 @@ static int dw_i2c_plat_probe(struct platform_de...
c8c37bc514514999e62a17e95160ed9ebf75ca8d
Analyze and fix the following issue in the Linux kernel code: i2c: designware: use casting of u64 in clock multiplication to avoid overflow
Problem Details: In functions i2c_dw_scl_lcnt() and i2c_dw_scl_hcnt() may have overflow by depending on the values of the given parameters including the ic_clk. For example in our use case where ic_clk is larger than one million, multiplication of ic_clk * 4700 will result in 32 bit overflow. Add cast of u64 to the ca...
```diff diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c index a3240ece55b2..581e02cc979a 100644 --- a/drivers/i2c/busses/i2c-designware-common.c +++ b/drivers/i2c/busses/i2c-designware-common.c @@ -351,7 +351,8 @@ u32 i2c_dw_scl_hcnt(u32 ic_clk, u32 tSYMBOL, u32 tf, ...
f2e1fa99550dd7a882229e2c2cd9ecab4ce773d0
Analyze and fix the following issue in the Linux kernel code: i2c: designware: fix i2c_dw_clk_rate() return size to be u32
Problem Details: Make i2c_dw_clk_rate() to return u32 instead of unsigned long, as the function return the value of get_clk_rate_khz() which returns u32. Fixes: b33af11de236 ("i2c: designware: Do not require clock when SSCN and FFCN are provided") Signed-off-by: Hanna Hawa <hhhawa@amazon.com> Reviewed-by: Andy Shevche...
```diff diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c index a3240ece55b2..f8406b9f7651 100644 --- a/drivers/i2c/busses/i2c-designware-common.c +++ b/drivers/i2c/busses/i2c-designware-common.c @@ -462,7 +462,7 @@ void __i2c_dw_disable(struct dw_i2c_dev *dev) dev_w...
18bba1843fc7f264f58c9345d00827d082f9c558
Analyze and fix the following issue in the Linux kernel code: efi: rt-wrapper: Add missing include
Problem Details: Add the missing #include of asm/assembler.h, which is where the ldr_l macro is defined. Fixes: ff7a167961d1b97e ("arm64: efi: Execute runtime services from a dedicated stack") Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
```diff diff --git a/arch/arm64/kernel/efi-rt-wrapper.S b/arch/arm64/kernel/efi-rt-wrapper.S index a00886410537..d872d18101d8 100644 --- a/arch/arm64/kernel/efi-rt-wrapper.S +++ b/arch/arm64/kernel/efi-rt-wrapper.S @@ -4,6 +4,7 @@ */ #include <linux/linkage.h> +#include <asm/assembler.h> SYM_FUNC_START(__efi_rt...
9a5418bc48babb313d2a62df29ebe21ce8c06c59
Analyze and fix the following issue in the Linux kernel code: sched/core: Use kfree_rcu() in do_set_cpus_allowed()
Problem Details: Commit 851a723e45d1 ("sched: Always clear user_cpus_ptr in do_set_cpus_allowed()") may call kfree() if user_cpus_ptr was previously set. Unfortunately, some of the callers of do_set_cpus_allowed() may have pi_lock held when calling it. So the following splats may be printed especially when running with...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index f9f6e5413dcf..bb1ee6d7bdde 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2604,9 +2604,29 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask) .user_mask = NULL, .flags = SCA_USER, /* clear the u...
87ca4f9efbd7cc649ff43b87970888f2812945b8
Analyze and fix the following issue in the Linux kernel code: sched/core: Fix use-after-free bug in dup_user_cpus_ptr()
Problem Details: Since commit 07ec77a1d4e8 ("sched: Allow task CPU affinity to be restricted on asymmetric systems"), the setting and clearing of user_cpus_ptr are done under pi_lock for arm64 architecture. However, dup_user_cpus_ptr() accesses user_cpus_ptr without any lock protection. Since sched_setaffinity() can be...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 965d813c28ad..f9f6e5413dcf 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2612,19 +2612,43 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask) int dup_user_cpus_ptr(struct task_struct *dst, struct task_s...
3bd2706c910fd328e4ab96ae0aabdcd7c4a90fbf
Analyze and fix the following issue in the Linux kernel code: EDAC/zynqmp: Add EDAC support for Xilinx ZynqMP OCM
Problem Details: Add EDAC support for Xilinx ZynqMP OCM Controller, so this driver reports CE and UE errors upon interrupt generation. Also add debugfs files for error injection. On Xilinx ZynqMP platform, both OCM Controller driver(zynqmp_edac) and DDR Memory Controller driver(synopsys_edac) co-exist which means both...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index a36df9ed283d..27cc2a00cc75 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22908,6 +22908,13 @@ F: Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml F: drivers/dma/xilinx/xilinx_dpdma.c F: include/dt-bindings/dma/xlnx-zynqmp-dpdma.h +XILINX ZYNQM...
cfb47bf5a470bdd80e8ac2f7b2f3a34563ecd4ea
Analyze and fix the following issue in the Linux kernel code: arm64: dts: freescale: imx8dxl: fix sc_pwrkey's property name linux,keycode
Problem Details: linux,keycode should be "linux,keycodes" according binding-doc Documentation/devicetree/bindings/input/fsl,scu-key.yaml Fixes: f537ee7f1e76 ("arm64: dts: freescale: add i.MX8DXL SoC support") Signed-off-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi index 0c64b9194621..214f21bd0cb4 100644 --- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi @@ -164,7 +164,7 @@ sc_pwrkey: keys { compatible = "fsl,imx8qxp-...
85a37983ec69cc9fcd188bc37c4de15ee326355a
Analyze and fix the following issue in the Linux kernel code: udf: Detect system inodes linked into directory hierarchy
Problem Details: When UDF filesystem is corrupted, hidden system inodes can be linked into directory hierarchy which is an avenue for further serious corruption of the filesystem and kernel confusion as noticed by syzbot fuzzed images. Refuse to access system inodes linked into directory hierarchy and vice versa. CC: ...
```diff diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 9ee269d3d546..96873fa2f683 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1813,8 +1813,13 @@ struct inode *__udf_iget(struct super_block *sb, struct kernel_lb_addr *ino, if (!inode) return ERR_PTR(-ENOMEM); - if (!(inode->i_state & I_NEW)) + if (!(...
fc8033a34a3ca7d23353e645e6dde5d364ac5f12
Analyze and fix the following issue in the Linux kernel code: udf: Preserve link count of system files
Problem Details: System files in UDF filesystem have link count 0. To not confuse VFS we fudge the link count to be 1 when reading such inodes however we forget to restore the link count of 0 when writing such inodes. Fix that. CC: stable@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz>
```diff diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 31965c3798f2..9ee269d3d546 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1301,6 +1301,7 @@ reread: ret = -EIO; goto out; } + iinfo->i_hidden = hidden_inode; iinfo->i_unique = 0; iinfo->i_lenEAttr = 0; iinfo->i_lenExtents = 0; @@ -1636,8 +16...
256fe4162f8b5a1625b8603ca5f7ff79725bfb47
Analyze and fix the following issue in the Linux kernel code: udf: Do not update file length for failed writes to inline files
Problem Details: When write to inline file fails (or happens only partly), we still updated length of inline data as if the whole write succeeded. Fix the update of length of inline data to happen only if the write succeeds. Reported-by: syzbot+0937935b993956ba28ab@syzkaller.appspotmail.com CC: stable@vger.kernel.org ...
```diff diff --git a/fs/udf/file.c b/fs/udf/file.c index 5c659e23e578..8be51161f3e5 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -149,26 +149,24 @@ static ssize_t udf_file_write_iter(struct kiocb *iocb, struct iov_iter *from) goto out; down_write(&iinfo->i_data_sem); - if (iinfo->i_alloc_type == ICBTAG_FLAG...
02113feaf62c190b4216ea0a1a2b8d9ccdbcdf6f
Analyze and fix the following issue in the Linux kernel code: udf: Fix spelling mistake "lenght" -> "length"
Problem Details: There is a spelling mistake in a udf_err message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz> Message-Id: <20221230231452.5821-1-colin.i.king@gmail.com>
```diff diff --git a/fs/udf/directory.c b/fs/udf/directory.c index a4c91905b033..18a1514871fe 100644 --- a/fs/udf/directory.c +++ b/fs/udf/directory.c @@ -34,7 +34,7 @@ static int udf_verify_fi(struct udf_fileident_iter *iter) len = udf_dir_entry_len(&iter->fi); if (le16_to_cpu(iter->fi.lengthOfImpUse) & 3) { ud...
53cafe1d6d8ef9f93318e5bfccc0d24f27d41ced
Analyze and fix the following issue in the Linux kernel code: udf: Do not bother merging very long extents
Problem Details: When merging very long extents we try to push as much length as possible to the first extent. However this is unnecessarily complicated and not really worth the trouble. Furthermore there was a bug in the logic resulting in corrupting extents in the file as syzbot reproducer shows. So just don't bother...
```diff diff --git a/fs/udf/inode.c b/fs/udf/inode.c index e077183e2ee3..5498365669eb 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -997,23 +997,8 @@ static void udf_merge_extents(struct inode *inode, struct kernel_long_ad *laarr, blocksize - 1) >> blocksize_bits)))) { if (((li->extLength & UDF_EXTENT_L...
e9109a92d2a95889498bed3719cd2318892171a2
Analyze and fix the following issue in the Linux kernel code: udf: Convert udf_rename() to new directory iteration code
Problem Details: Convert udf_rename() to use new directory iteration code. Reported-by: syzbot+0eaad3590d65102b9391@syzkaller.appspotmail.com Reported-by: syzbot+b7fc73213bc2361ab650@syzkaller.appspotmail.com Signed-off-by: Jan Kara <jack@suse.cz>
```diff diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 1b3ee80484f1..b9eb76438b68 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1257,78 +1257,68 @@ static int udf_rename(struct user_namespace *mnt_userns, struct inode *old_dir, { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d...
1c80afa04db39c98aebea9aabfafa37a208cdfee
Analyze and fix the following issue in the Linux kernel code: udf: Implement searching for directory entry using new iteration code
Problem Details: Implement searching for directory entry - udf_fiiter_find_entry() - using new directory iteration code. Reported-by: syzbot+69c9fdccc6dd08961d34@syzkaller.appspotmail.com Signed-off-by: Jan Kara <jack@suse.cz>
```diff diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 78bc4bbb7c54..145883d15c0f 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -140,6 +140,73 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, return 0; } +/** + * udf_fiiter_find_entry - find entry in given directory. + * + * @dir: dire...
5d1335dabb3c493a3d6d5b233953b6ac7b6c1ff2
Analyze and fix the following issue in the Linux kernel code: parisc: Fix return code of pdc_iodc_print()
Problem Details: There is an off-by-one if the printed string includes a new-line char. Cc: stable@vger.kernel.org Signed-off-by: Helge Deller <deller@gmx.de>
```diff diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index 4dfe1f49c5c8..6817892a2c58 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -1303,7 +1303,7 @@ static char iodc_dbuf[4096] __page_aligned_bss; */ int pdc_iodc_print(const unsigned char *str, unsi...
84ee211c83212f4d35b56e0603acdcc41f860f1b
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Disable XDomain lane 1 only in software connection manager
Problem Details: When firmware connection manager is in use we should not touch the lane adapter (well or any) configuration space so do this only when we know that the software connection manager is active. Fixes: 8e1de7042596 ("thunderbolt: Add support for XDomain lane bonding") Cc: stable@vger.kernel.org Acked-by: ...
```diff diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index cfa83486c9da..3c51e47dd86b 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -1419,12 +1419,19 @@ static int tb_xdomain_get_properties(struct tb_xdomain *xd) * registered, we notify the userspace ...
e8ff07fb33026c5c1bb5b81293496faba5d68059
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Use correct function to calculate maximum USB3 link rate
Problem Details: We need to take minimum of both sides of the USB3 link into consideration, not just the downstream port. Fix this by calling tb_usb3_max_link_rate() instead. Fixes: 0bd680cd900c ("thunderbolt: Add USB3 bandwidth management") Cc: stable@vger.kernel.org Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com> ...
```diff diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c index 2c3cf7fc3357..1fc3c29b24f8 100644 --- a/drivers/thunderbolt/tunnel.c +++ b/drivers/thunderbolt/tunnel.c @@ -1275,7 +1275,7 @@ static void tb_usb3_reclaim_available_bandwidth(struct tb_tunnel *tunnel, return; } else if (!ret) { ...
23257cfc1cb7202fd0065e9f4a6a0aac1c04c4a9
Analyze and fix the following issue in the Linux kernel code: thunderbolt: Do not call PM runtime functions in tb_retimer_scan()
Problem Details: We cannot call PM runtime functions in tb_retimer_scan() because it will also be called when retimers are scanned from userspace (happens when there is no device connected on ChromeOS for instance) and at the same USB4 port runtime resume hook. This leads to hang because neither can proceed. Fix this ...
```diff diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c index 6ebe7a2886ec..56008eb91e2e 100644 --- a/drivers/thunderbolt/retimer.c +++ b/drivers/thunderbolt/retimer.c @@ -427,13 +427,6 @@ int tb_retimer_scan(struct tb_port *port, bool add) { u32 status[TB_MAX_RETIMER_INDEX + 1] = {}; in...
7d6ceeb1875cc08dc3d1e558e191434d94840cd5
Analyze and fix the following issue in the Linux kernel code: af_unix: selftest: Fix the size of the parameter to connect()
Problem Details: Adjust size parameter in connect() to match the type of the parameter, to fix "No such file or directory" error in selftests/net/af_unix/ test_oob_unix.c:127. The existing code happens to work provided that the autogenerated pathname is shorter than sizeof (struct sockaddr), which is why it hasn't bee...
```diff diff --git a/tools/testing/selftests/net/af_unix/test_unix_oob.c b/tools/testing/selftests/net/af_unix/test_unix_oob.c index b57e91e1c3f2..532459a15067 100644 --- a/tools/testing/selftests/net/af_unix/test_unix_oob.c +++ b/tools/testing/selftests/net/af_unix/test_unix_oob.c @@ -124,7 +124,7 @@ void producer(str...
76761babaa984fce8ecd87d87a68d920f24df438
Analyze and fix the following issue in the Linux kernel code: net: lan966x: Allow to add rules in TCAM even if not enabled
Problem Details: The blamed commit implemented the vcap_operations to allow to add an entry in the TCAM. One of the callbacks is to validate the supported keysets. If the TCAM lookup was not enabled, then this will return failure so no entries could be added. This doesn't make much sense, as you can enable at a later p...
```diff diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c index d8dc9fbb81e1..a54c0426a35f 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_vcap_impl.c @@ -95,10...
580c545fc91f2a6d4917eefa3dd8712de87690fe
Analyze and fix the following issue in the Linux kernel code: arm64: dts: tqma8m*: Fix temperature sensor compatible
Problem Details: Use the correct compatible 'nxp,se97b' as it is an SE97BTP chip. While at it, fix the node name according to device tree spec recommendations. The EEPROM is a separate node anyway. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi index f649dfacb4b6..12260290c109 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi @@ -87,8 +87,8 @@ sda-gpios = <&gpi...
0bbca347f53451af7a2906343c92bce65d037ca4
Analyze and fix the following issue in the Linux kernel code: ARM: dts: tqma6ul + mba6ulx: Fix temperature sensor compatible
Problem Details: Use the correct compatible 'nxp,se97b' as it is an SE97BTP chip. While at it, fix the node name according to device tree spec recommendations. The EEPROM is a separate node anyway. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
```diff diff --git a/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi b/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi index eca94ed6451b..57e647fc3237 100644 --- a/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi +++ b/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi @@ -116,8 +116,8 @@ }; }; - jc42_1a: eeprom-temperature-se...
50e2a2f4f2fd5f06f614fad315bb11826e571f31
Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: add Startkit
Problem Details: Starterkit is small vendor of development boards and SoM based on Atmel, i.MX and Allwinner SoCs. http://starterkit.ru/html/index.php Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Shawn Guo <shawnguo@kernel....
```diff diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index e45fc3bf6e8c..0714d1b294b5 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1248,6 +1248,8 @@ pat...
7871f54e3deed68a27111dda162c4fe9b9c65f8f
Analyze and fix the following issue in the Linux kernel code: gro: take care of DODGY packets
Problem Details: Jaroslav reported a recent throughput regression with virtio_net caused by blamed commit. It is unclear if DODGY GSO packets coming from user space can be accepted by GRO engine in the future with minimal changes, and if there is any expected gain from it. In the meantime, make sure to detect and flu...
```diff diff --git a/net/core/gro.c b/net/core/gro.c index fd8c6a7e8d3e..506f83d715f8 100644 --- a/net/core/gro.c +++ b/net/core/gro.c @@ -505,8 +505,9 @@ found_ptype: NAPI_GRO_CB(skb)->count = 1; if (unlikely(skb_is_gso(skb))) { NAPI_GRO_CB(skb)->count = skb_shinfo(skb)->gso_segs; - /* Only support TCP at the ...
9dab880d675b9d0dd56c6428e4e8352a3339371d
Analyze and fix the following issue in the Linux kernel code: nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()
Problem Details: Fix a use-after-free that occurs in hcd when in_urb sent from pn533_usb_send_frame() is completed earlier than out_urb. Its callback frees the skb data in pn533_send_async_complete() that is used as a transfer buffer of out_urb. Wait before sending in_urb until the callback of out_urb is called. To mod...
```diff diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index 6f71ac72012e..ed9c5e2cf3ad 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -153,10 +153,17 @@ static int pn533_usb_send_ack(struct pn533 *dev, gfp_t flags) return usb_submit_urb(phy->ack_urb, flags); } +struct pn533_...
4a753ca5013d465694d6639fbe1378831a399bda
Analyze and fix the following issue in the Linux kernel code: selftest: mptcp: exit from copyfd_io_poll() when receive SIGUSR1
Problem Details: For now, mptcp_connect won't exit after receiving the 'SIGUSR1' signal if '-r' is set. Fix this by skipping poll and sleep in copyfd_io_poll() if 'quit' is set. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Menglong Dong <imagedong@tencent.com> Signed-off-by: Mat Martineau <mathew.j.martine...
```diff diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/testing/selftests/net/mptcp/mptcp_connect.c index 8a8266957bc5..b25a31445ded 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.c +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c @@ -627,7 +627,7 @@ static int copyfd_io_poll...
60ea6f00c57dae5e7ba2c52ed407cb24fdb11ebe
Analyze and fix the following issue in the Linux kernel code: net: ipa: correct IPA v4.7 IMEM offset
Problem Details: Commit b310de784bacd ("net: ipa: add IPA v4.7 support") was merged despite an unresolved comment made by Konrad Dybcio. Konrad observed that the IMEM region specified for IPA v4.7 did not match that used downstream for the SM7225 SoC. In "lagoon.dtsi" present in a Sony Xperia source tree, a ipa_smmu_...
```diff diff --git a/drivers/net/ipa/data/ipa_data-v4.7.c b/drivers/net/ipa/data/ipa_data-v4.7.c index 7552c400961e..b83390c48615 100644 --- a/drivers/net/ipa/data/ipa_data-v4.7.c +++ b/drivers/net/ipa/data/ipa_data-v4.7.c @@ -357,7 +357,7 @@ static const struct ipa_mem ipa_mem_local_data[] = { static const struct ipa...
fca053893e8d5be8173c92876c6329cbee78b880
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8m-venice: Remove incorrect 'uart-has-rtscts'
Problem Details: The following build warnings are seen when running: make dtbs_check DT_SCHEMA_FILES=fsl-imx-uart.yaml arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dtb: serial@30860000: cts-gpios: False schema does not allow [[33, 3, 1]] From schema: Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml a...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dtso b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dtso index 3ea73a6886ff..f6ad1a4b8b66 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw72xx-0x-rs232-rts.dtso +++ b/arch/arm64/boot/dts/freescale/imx8mm-v...
a5a36720c3f650f859f5e9535dd62d06f13f4f3b
Analyze and fix the following issue in the Linux kernel code: brcmfmac: Prefer DT board type over DMI board type
Problem Details: The introduction of support for Apple board types inadvertently changed the precedence order, causing hybrid SMBIOS+DT platforms to look up the firmware using the DMI information instead of the device tree compatible to generate the board type. Revert back to the old behavior, as affected platforms use...
```diff diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c index a83699de01ec..fdd0c9abc1a1 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c @@ -79,7 +79,8 @@ void brcmf_...
3f88d7d1be42a84a4ae292f085c3886597a04137
Analyze and fix the following issue in the Linux kernel code: net: phy: micrel: Fix warn: passing zero to PTR_ERR
Problem Details: Handle the NULL pointer case Fixes New smatch warnings: drivers/net/phy/micrel.c:2613 lan8814_ptp_probe_once() warn: passing zero to 'PTR_ERR' vim +/PTR_ERR +2613 drivers/net/phy/micrel.c Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:...
```diff diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 6c41550310e7..d5b80c31ab91 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -3008,10 +3008,6 @@ static int lan8814_ptp_probe_once(struct phy_device *phydev) { struct lan8814_shared_priv *shared = phydev->shared->pri...
d50ede4f53e19b63f785768ce62f9a5019c3a021
Analyze and fix the following issue in the Linux kernel code: net: phy: micrel: Fixed error related to uninitialized symbol ret
Problem Details: Initialized return variable Fixes Old smatch warnings: drivers/net/phy/micrel.c:1750 ksz886x_cable_test_get_status() error: uninitialized symbol 'ret'. Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Divya Koppera <Divya.Koppera@micr...
```diff diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 2243ad1b88e7..6c41550310e7 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -2088,7 +2088,8 @@ static int ksz886x_cable_test_get_status(struct phy_device *phydev, const struct kszphy_type *type = phydev->drv->driver_...
2f440c4f04ca28e3ddf4bb6f3d25f7613abe2873
Analyze and fix the following issue in the Linux kernel code: arm64: dts: imx8mm: Reinstate GPIO watchdog always-running property on eDM SBC
Problem Details: The GPIO watchdog property name is 'always-running', not 'always-enabled'. Use the correct property name and reinstate it into the DT. Fixes: eff6b33c9ce9 ("arm64: dts: imx8mm: Remove watchdog always-enabled property from eDM SBC") Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Shawn Guo <s...
```diff diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts index 752f409a30b1..9889319d4f04 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts @@ -8...
c0dccad87cf68fc6012aec7567e354353097ec1a
Analyze and fix the following issue in the Linux kernel code: hvc/xen: lock console list traversal
Problem Details: The currently lockless access to the xen console list in vtermno_to_xencons() is incorrect, as additions and removals from the list can happen anytime, and as such the traversal of the list to get the private console data for a given termno needs to happen with the lock held. Note users that modify th...
```diff diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index c879f922c716..5bddb2f5e931 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -52,17 +52,22 @@ static DEFINE_SPINLOCK(xencons_lock); static struct xencons_info *vtermno_to_xencons(int vtermno) { - struct xencons_...
37c1785609833e626d344047a84e272b7879b2c3
Analyze and fix the following issue in the Linux kernel code: x86/xen: Remove the unused function p2m_index()
Problem Details: The function p2m_index is defined in the p2m.c file, but not called elsewhere, so remove this unused function. arch/x86/xen/p2m.c:137:24: warning: unused function 'p2m_index'. Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3557 Reported-by: Abaci Robot <abaci@linux.alibaba.com> Signed-off-by: J...
```diff diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c index 58db86f7b384..9bdc3b656b2c 100644 --- a/arch/x86/xen/p2m.c +++ b/arch/x86/xen/p2m.c @@ -134,11 +134,6 @@ static inline unsigned p2m_mid_index(unsigned long pfn) return (pfn / P2M_PER_PAGE) % P2M_MID_PER_PAGE; } -static inline unsigned p2m_index(uns...
b0355dbbf13c0052931dd14c38c789efed64d3de
Analyze and fix the following issue in the Linux kernel code: Fix XFRM-I support for nested ESP tunnels
Problem Details: This change adds support for nested IPsec tunnels by ensuring that XFRM-I verifies existing policies before decapsulating a subsequent policies. Addtionally, this clears the secpath entries after policies are verified, ensuring that previous tunnels with no-longer-valid do not pollute subsequent policy...
```diff diff --git a/net/xfrm/xfrm_interface_core.c b/net/xfrm/xfrm_interface_core.c index 1f99dc469027..35279c220bd7 100644 --- a/net/xfrm/xfrm_interface_core.c +++ b/net/xfrm/xfrm_interface_core.c @@ -310,6 +310,52 @@ static void xfrmi_scrub_packet(struct sk_buff *skb, bool xnet) skb->mark = 0; } +static int xfr...
1e23db450cff5f0410480137041181d1514bda2a
Analyze and fix the following issue in the Linux kernel code: io_uring: use iter_ubuf for single range imports
Problem Details: This is more efficient than iter_iov. Signed-off-by: Jens Axboe <axboe@kernel.dk> [merge to 6.2, minor fixes] Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
```diff diff --git a/io_uring/rw.c b/io_uring/rw.c index 8227af2e1c0f..436a2e064df6 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -391,7 +391,7 @@ static struct iovec *__io_import_iovec(int ddir, struct io_kiocb *req, rw->len = sqe_len; } - ret = import_single_range(ddir, buf, sqe_len, s->fast_iov, iter);...
49e4d04f0486117ac57a97890eb1db6d52bf82b3
Analyze and fix the following issue in the Linux kernel code: block: Drop spurious might_sleep() from blk_put_queue()
Problem Details: Dan reports the following smatch detected the following: block/blk-cgroup.c:1863 blkcg_schedule_throttle() warn: sleeping in atomic context caused by blkcg_schedule_throttle() calling blk_put_queue() in an non-sleepable context. blk_put_queue() acquired might_sleep() in 63f93fd6fa57 ("block: mark ...
```diff diff --git a/block/blk-core.c b/block/blk-core.c index 9321767470dc..b5098355d8b2 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -283,12 +283,9 @@ static void blk_free_queue(struct request_queue *q) * * Decrements the refcount of the request_queue and free it when the refcount * reaches 0. - * - ...
afe4cb96153a0d8003e4e4ebd91b5c543e10df84
Analyze and fix the following issue in the Linux kernel code: drm/msm/hdmi: Add missing check for alloc_ordered_workqueue
Problem Details: Add check for the return value of alloc_ordered_workqueue as it may return NULL pointer and cause NULL pointer dereference in `hdmi_hdcp.c` and `hdmi_hpd.c`. Fixes: c6a57a50ad56 ("drm/msm/hdmi: add hdmi hdcp support (V3)") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Dmitry Barysh...
```diff diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 97372bb241d8..4ad36bc8fe5e 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -120,6 +120,10 @@ static int msm_hdmi_init(struct hdmi *hdmi) int ret; hdmi->workq = alloc_ordered_workqueue...
b409ea4534204d4e6da3017d8713ce338f44b489
Analyze and fix the following issue in the Linux kernel code: init/version-timestamp.c: remove unneeded #include <linux/version.h>
Problem Details: The kbuild test robot detected this by 'make versioncheck'. Fixes: 2df8220cc511 ("kbuild: build init/built-in.a just once") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
```diff diff --git a/init/version-timestamp.c b/init/version-timestamp.c index 179e93bae539..043cbf80a766 100644 --- a/init/version-timestamp.c +++ b/init/version-timestamp.c @@ -2,7 +2,6 @@ #include <generated/compile.h> #include <generated/utsrelease.h> -#include <linux/version.h> #include <linux/proc_ns.h> #in...
e3c9405ec56b6b0a75d993427bfc7f4194f73754
Analyze and fix the following issue in the Linux kernel code: docs: kbuild: remove mention to dropped $(objtree) feature
Problem Details: Commit 8d613a1d048c ("kbuild: drop $(objtree)/ prefix support for clean-files") dropped support for prefixing with $(objtree). Thus update the documentation to match that change. Signed-off-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
```diff diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index 6b7368d1f516..38bc74eaa547 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -1042,7 +1042,7 @@ $(clean-files). When executing "make clean", the file "crc32table.h" will be del...
f71eaf2708be7831428eacae7db25d8ec6b8b4c5
Analyze and fix the following issue in the Linux kernel code: bus: sunxi-rsb: Fix error handling in sunxi_rsb_init()
Problem Details: The sunxi_rsb_init() returns the platform_driver_register() directly without checking its return value, if platform_driver_register() failed, the sunxi_rsb_bus is not unregistered. Fix by unregister sunxi_rsb_bus when platform_driver_register() failed. Fixes: d787dcdb9c8f ("bus: sunxi-rsb: Add driver ...
```diff diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index 3aa91aed3bf7..226e87b85116 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -857,7 +857,13 @@ static int __init sunxi_rsb_init(void) return ret; } - return platform_driver_register(&sunxi_rsb_driver); + ret = platfo...
5dc6470273063418b5409154336a447e6d8fa880
Analyze and fix the following issue in the Linux kernel code: clk: sunxi-ng: fix ccu_mmc_timing.c kernel-doc issues
Problem Details: Use '-' to separate the function name and its description. Use '%' on constants in kernel-doc notation. Use the kernel-doc Return: format for function return values. Fixes this warning: ccu_mmc_timing.c:21: warning: No description found for return value of 'sunxi_ccu_set_mmc_timing_mode' Signed-off-b...
```diff diff --git a/drivers/clk/sunxi-ng/ccu_mmc_timing.c b/drivers/clk/sunxi-ng/ccu_mmc_timing.c index de33414fc5c2..23a8d44e2449 100644 --- a/drivers/clk/sunxi-ng/ccu_mmc_timing.c +++ b/drivers/clk/sunxi-ng/ccu_mmc_timing.c @@ -10,11 +10,11 @@ #include "ccu_common.h" /** - * sunxi_ccu_set_mmc_timing_mode: Config...
d45e5744ab3972c09995574d15ecfc42de53d651
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: Print interrupt index in addition to the mask
Problem Details: The mask only describes the `irq_idx % 32` part, making it generally impossible to deduce what interrupt is being enabled/disabled. Since `debug/core_irq` in debugfs (and other prints) also include the full `DPU_IRQ_IDX()` value, print the same full value here for easier correlation instead of only ad...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c index cf1b6d84c18a..64589a9c2c51 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c @@ -252,9 +252,9 @@ static int dpu_hw_intr_en...
21e9a838f505178e109ccb3bf19d7808eb0326f4
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()
Problem Details: Because of the possilble failure of devm_kzalloc(), dpu_wb_conn might be NULL and will cause null pointer dereference later. Therefore, it might be better to check it and directly return -ENOMEM. Fixes: 77b001acdcfe ("drm/msm/dpu: add the writeback connector layer") Signed-off-by: Hui Tang <tanghui20...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c index 088ec990a2f2..2a5a68366582 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c @@ -70,6 +70,8 @@ int dpu_writeback_init(struct drm_device *d...
e6db6f9398dadcbc06318a133d4c44a2d3844e61
Analyze and fix the following issue in the Linux kernel code: io_uring/io-wq: only free worker if it was allocated for creation
Problem Details: We have two types of task_work based creation, one is using an existing worker to setup a new one (eg when going to sleep and we have no free workers), and the other is allocating a new worker. Only the latter should be freed when we cancel task_work creation for a new worker. Fixes: af82425c6a2d ("io...
```diff diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 992dcd9f8c4c..411bb2d1acd4 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -1230,7 +1230,12 @@ static void io_wq_cancel_tw_create(struct io_wq *wq) worker = container_of(cb, struct io_worker, create_work); io_worker_cancel_cb(worker); - kfr...
115d9d77bb0f9152c60b6e8646369fa7f6167593
Analyze and fix the following issue in the Linux kernel code: mm: Always release pages to the buddy allocator in memblock_free_late().
Problem Details: If CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled, memblock_free_pages() only releases pages to the buddy allocator if they are not in the deferred range. This is correct for free pages (as defined by for_each_free_mem_pfn_range_in_zone()) because free pages in the deferred range will be initialized and r...
```diff diff --git a/mm/memblock.c b/mm/memblock.c index d036c7861310..685e30e6d27c 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1640,7 +1640,13 @@ void __init memblock_free_late(phys_addr_t base, phys_addr_t size) end = PFN_DOWN(base + size); for (; cursor < end; cursor++) { - memblock_free_pages(pfn_to_p...
4aaf3e40272d9699d84b04f09aa6c2166b7e4aba
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: st-sensors: Add LSM303C accelerometer+magnetometer
Problem Details: The ST LSM303C [1] is a accelerometer and magnetometer combo sensor compatible with the existing ST sensor bindings. Accelerometer and magnetometer are exposed through separate I2C/SPI devices, so document separate compatibles with -accel and -magn suffix. [1]: https://www.st.com/resource/en/datasheet...
```diff diff --git a/Documentation/devicetree/bindings/iio/st,st-sensors.yaml b/Documentation/devicetree/bindings/iio/st,st-sensors.yaml index 250439b13152..c6201976378f 100644 --- a/Documentation/devicetree/bindings/iio/st,st-sensors.yaml +++ b/Documentation/devicetree/bindings/iio/st,st-sensors.yaml @@ -39,6 +39,7 @@...
c9c1d6d82091f05b4dabf2c624bdaeba19bdf893
Analyze and fix the following issue in the Linux kernel code: iio: imu: st_lsm6dsx: fix build when CONFIG_IIO_TRIGGERED_BUFFER=m
Problem Details: The following kernel linkage error: st_lsm6dsx_core.o: in function `st_lsm6dsx_sw_buffers_setup': st_lsm6dsx_core.c:2578: undefined reference to `devm_iio_triggered_buffer_setup_ext' is caused by the fact that the object owning devm_iio_triggered_buffer_setup_ext() (drivers/iio/buffer/industrialio-tr...
```diff diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig index f6660847fb58..8c16cdacf2f2 100644 --- a/drivers/iio/imu/st_lsm6dsx/Kconfig +++ b/drivers/iio/imu/st_lsm6dsx/Kconfig @@ -4,6 +4,7 @@ config IIO_ST_LSM6DSX tristate "ST_LSM6DSx driver for STM 6-axis IMU MEMS sensors" de...
591a6bc7f40d3ea6492527f595f1588e127d0b54
Analyze and fix the following issue in the Linux kernel code: iio: adc: max11410: Use asm intead of asm-generic
Problem Details: There is no point to specify asm-generic for the unaligned.h. Drop the 'generic' suffix and move the inclusion to be after the non-IIO linux/* ones. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230103144903.39905-1-andriy.shevchenko@linux.intel.c...
```diff diff --git a/drivers/iio/adc/max11410.c b/drivers/iio/adc/max11410.c index fdc9f03135b5..b74b689ee7de 100644 --- a/drivers/iio/adc/max11410.c +++ b/drivers/iio/adc/max11410.c @@ -4,7 +4,6 @@ * * Copyright 2022 Analog Devices Inc. */ -#include <asm-generic/unaligned.h> #include <linux/bitfield.h> #includ...
43d5f5d63699724d47f0d9e0eae516a260d232b4
Analyze and fix the following issue in the Linux kernel code: riscv: dts: sifive: fu740: fix size of pcie 32bit memory
Problem Details: The 32-bit memory resource is needed for non-prefetchable memory allocations on the PCIe bus, however with some cards (such as the SM768) the system fails to allocate memory from this. Checking the allocation against the datasheet, it looks like there has been a mis-calcualation of the resource for th...
```diff diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi index 43bed6c0a84f..5235fd1c9cb6 100644 --- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi @@ -328,7 +328,7 @@ bus-range = <0x0 0xff>; ranges = <0x81000000 ...
5304930dbae82d259bcf7e5611db7c81e7a42eff
Analyze and fix the following issue in the Linux kernel code: NFSD: Use set_bit(RQ_DROPME)
Problem Details: The premise that "Once an svc thread is scheduled and executing an RPC, no other processes will touch svc_rqst::rq_flags" is false. svc_xprt_enqueue() examines the RQ_BUSY flag in scheduled nfsd threads when determining which thread to wake up next. Fixes: 9315564747cb ("NFSD: Use only RQ_DROPME to si...
```diff diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index a5570cf75f3f..9744443c3965 100644 --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -211,7 +211,7 @@ nfsd_proc_read(struct svc_rqst *rqstp) if (resp->status == nfs_ok) resp->status = fh_getattr(&resp->fh, &resp->stat); else if (resp->status == nfs...
51d3c0e7dc3cf1dd91c34b0f9bdadda310c7ed5b
Analyze and fix the following issue in the Linux kernel code: drm/mipi-dsi: Fix mipi_dsi_dcs_write_seq() macro definition format
Problem Details: Change made using a `clang-format -i include/drm/drm_mipi_dsi.h` command. Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230102202542.3494677-1...
```diff diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h index 20b21b577dea..e9d1e8a7fc7e 100644 --- a/include/drm/drm_mipi_dsi.h +++ b/include/drm/drm_mipi_dsi.h @@ -303,15 +303,18 @@ int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi, * @cmd: Command * @seq: buffer containing ...
eaf2213ba563b2d74a1f2c13a6b258273f689802
Analyze and fix the following issue in the Linux kernel code: tomoyo: fix broken dependency on *.conf.default
Problem Details: If *.conf.default is updated, builtin-policy.h should be rebuilt, but this does not work when compiled with O= option. [Without this commit] $ touch security/tomoyo/policy/exception_policy.conf.default $ make O=/tmp security/tomoyo/ make[1]: Entering directory '/tmp' GEN Makefile CA...
```diff diff --git a/security/tomoyo/Makefile b/security/tomoyo/Makefile index cca5a3012fee..221eaadffb09 100644 --- a/security/tomoyo/Makefile +++ b/security/tomoyo/Makefile @@ -10,7 +10,7 @@ endef quiet_cmd_policy = POLICY $@ cmd_policy = ($(call do_policy,profile); $(call do_policy,exception_policy); $(ca...
8e791f7eba4c7711f56616ae163ee3cbc00b1bf4
Analyze and fix the following issue in the Linux kernel code: x86/kprobes: Drop removed INT3 handling code
Problem Details: Drop removed INT3 handling code from kprobe_int3_handler() because this case (get_kprobe() doesn't return corresponding kprobe AND the INT3 is removed) must not happen with the kprobe managed INT3, but can happen with the non-kprobe INT3, which should be handled by other callbacks. For the kprobe mana...
```diff diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 66299682b6b7..33390ed4dcf3 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -986,20 +986,6 @@ int kprobe_int3_handler(struct pt_regs *regs) kprobe_post_process(p, regs, kcb); return 1; ...
7fb3ff22ad8772bbf0e3ce1ef3eb7b09f431807f
Analyze and fix the following issue in the Linux kernel code: sched/core: Fix arch_scale_freq_tick() on tickless systems
Problem Details: In order for the scheduler to be frequency invariant we measure the ratio between the maximum CPU frequency and the actual CPU frequency. During long tickless periods of time the calculations that keep track of that might overflow, in the function scale_freq_tick(): if (check_shl_overflow(acnt, 2*S...
```diff diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 25b582b6ee5f..965d813c28ad 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5504,7 +5504,9 @@ void scheduler_tick(void) unsigned long thermal_pressure; u64 resched_latency; - arch_scale_freq_tick(); + if (housekeeping_cpu(cpu, HK_T...
a67aad57d9aee41180aff36e54cb72fe4b8d5a5a
Analyze and fix the following issue in the Linux kernel code: scsi: libsas: Grab the ATA port lock in sas_ata_device_link_abort()
Problem Details: Grab the ATA port lock in sas_ata_device_link_abort() before calling ata_link_abort() as outlined in this function's locking requirements. Fixes: 44112922674b ("scsi: libsas: Add sas_ata_device_link_abort()") Signed-off-by: Xingui Yang <yangxingui@huawei.com> Reviewed-by: John Garry <john.g.garry@orac...
```diff diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 1ccce706167a..5e80225b5308 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -889,7 +889,9 @@ void sas_ata_device_link_abort(struct domain_device *device, bool force_reset) { struct ata_port *ap =...
ea44242bbfcde2993fb27ec7c3ad5ab5cc39e438
Analyze and fix the following issue in the Linux kernel code: scsi: hisi_sas: Fix tag freeing for reserved tags
Problem Details: The reserved tags were put in the lower region of the tagset in commit f7d190a94e35 ("scsi: hisi_sas: Put reserved tags in lower region of tagset"). However, only the allocate function was changed, freeing was not handled. This resulted in a failure to boot: [ 33.467345] hisi_sas_v3_hw 0000:b4:02.0:...
```diff diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 41ba22f6c7f0..e9c2d306ed87 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -162,7 +162,7 @@ static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot...
3da73f102309fe29150e5c35acd20dd82063ff67
Analyze and fix the following issue in the Linux kernel code: objtool: Fix memory leak in create_static_call_sections()
Problem Details: strdup() allocates memory for key_name. We need to release the memory in the following error paths. Add free() to avoid memory leak. Fixes: 1e7e47883830 ("x86/static_call: Add inline static call implementation for x86-64") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: Ingo Molnar <mi...
```diff diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 4350be739f4f..cab1a162781c 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -679,6 +679,7 @@ static int create_static_call_sections(struct objtool_file *file) if (strncmp(key_name, STATIC_CALL_TRAMP_PREFIX_STR, STATIC_C...
42f229c350f57a8e825f7591e17cbc5c87e50235
Analyze and fix the following issue in the Linux kernel code: rxrpc: Fix incoming call setup race
Problem Details: An incoming call can race with rxrpc socket destruction, leading to a leaked call. This may result in an oops when the call timer eventually expires: BUG: kernel NULL pointer dereference, address: 0000000000000874 RIP: 0010:_raw_spin_lock_irqsave+0x2a/0x50 Call Trace: <IRQ> try_to_wa...
```diff diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index cf200e4e0eae..ebbd4a1c3f86 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -155,10 +155,10 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len) if (service_id) { write_lock(&local->services_lock); -...
ae50e2ab122cef68f46b7799fb9deffe3334f5e2
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l41: Check runtime suspend capability at runtime_idle
Problem Details: The runtime PM core checks with runtime_idle callback whether it can goes to the runtime suspend or not, and we can put the boost type check there instead of runtime_suspend and _resume calls. This will reduce the unnecessary runtime_suspend() calls. Fixes: 1873ebd30cc8 ("ALSA: hda: cs35l41: Support ...
```diff diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 0a5cee730268..f7815ee24f83 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -647,6 +647,15 @@ static int cs35l41_system_resume(struct device *dev) return ret; } +static int cs35l41_runtime_idle(struct ...
15a59cb0a3d6ddf2cb79f8dc3081b3130aad3767
Analyze and fix the following issue in the Linux kernel code: ALSA: hda: cs35l41: Don't return -EINVAL from system suspend/resume
Problem Details: The recent commit to support the system suspend for CS35L41 caused a regression on the models with CS35L41_EXT_BOOST_NO_VSPK_SWITC boost type, as the suspend/resume callbacks just return -EINVAL. This is eventually handled as a fatal error and blocks the whole system suspend/resume. For avoiding the ...
```diff diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 91842c0c8c74..0a5cee730268 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -598,8 +598,8 @@ static int cs35l41_system_suspend(struct device *dev) dev_dbg(cs35l41->dev, "System Suspend\n"); if (cs35l4...
b4e9b8763e417db31c7088103cc557d55cb7a8f5
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Fix LMAC config in cgx_lmac_rx_tx_enable
Problem Details: PF netdev can request AF to enable or disable reception and transmission on assigned CGX::LMAC. The current code instead of disabling or enabling 'reception and transmission' also disables/enable the LMAC. This patch fixes this issue. Fixes: 1435f66a28b4 ("octeontx2-af: CGX Rx/Tx enable/disable mbox h...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index b2b71fe80d61..724df6398bbe 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -774,9 +774,9 @@ int cgx_lmac_rx_tx_enable(void *c...
dc2f5a499de420001813562ddbc9d51ece295978
Analyze and fix the following issue in the Linux kernel code: soc: qcom: dcc: Fix examples list on /sys/kernel/debug/dcc/.../[list-number]/config documentation
Problem Details: kernel test robot reported htmldocs warnings: Documentation/ABI/testing/debugfs-driver-dcc:34: WARNING: Unexpected indentation. Documentation/ABI/testing/debugfs-driver-dcc:34: WARNING: Block quote ends without a blank line; unexpected unindent. Fix these by fixing numbered list syntax on description...
```diff diff --git a/Documentation/ABI/testing/debugfs-driver-dcc b/Documentation/ABI/testing/debugfs-driver-dcc index a46809502059..a00f4502885b 100644 --- a/Documentation/ABI/testing/debugfs-driver-dcc +++ b/Documentation/ABI/testing/debugfs-driver-dcc @@ -44,35 +44,54 @@ Description: example user can jump to list...
cec32b00faa940f4ed91a939d3beb71410334039
Analyze and fix the following issue in the Linux kernel code: f2fs: add missing doc for fault injection sysfs
Problem Details: We supported configuring fault injection parameter via sysfs w/ below commits, however, we forgot to add doc entry, fix it. commit 087968974fcd ("f2fs: add fault injection to sysfs") /sys/fs/f2fs/fault_injection/fault_* commit 1ecc0c5c50ce ("f2fs: support configuring fault injection per superblock") ...
```diff diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 9e3756625a81..aaa379bb8a8f 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -669,3 +669,42 @@ Contact: "Ping Xiong" <xiongping1@xiaomi.com> Description: When...
5eaac835f27f2de6b73412d7c24e755733b49de0
Analyze and fix the following issue in the Linux kernel code: f2fs: fix to avoid potential deadlock
Problem Details: There is a potential deadlock reported by syzbot as below: F2FS-fs (loop2): invalid crc value F2FS-fs (loop2): Found nat_bits in checkpoint F2FS-fs (loop2): Mounted with checkpoint version = 48b305e4 ====================================================== WARNING: possible circular locking dependency d...
```diff diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 939c7247c367..bef0ee57e88d 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2336,6 +2336,7 @@ static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg) { struct inode *inode = file_inode(filp); struct f2fs_sb_info *sbi = F2FS_I_SB...
a9e292f2aeb737b263b1c14281be239405e1bb19
Analyze and fix the following issue in the Linux kernel code: docs: f2fs: fix html doc error
Problem Details: There is a problem with the html converted from the previous commit 6047de5482c3 ("f2fs: add barrier mount option") code submission. Probably something like this: barrier If this option is set, cache_flush commands are allowed to be Let's fix it. Signed-off-by: Yangtao Li <frank.li@vivo.com> Revi...
```diff diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst index 220f3e0d3f55..2055e72871fe 100644 --- a/Documentation/filesystems/f2fs.rst +++ b/Documentation/filesystems/f2fs.rst @@ -158,7 +158,7 @@ nobarrier This option can be used if underlying storage guarantees If this opt...
8d3c1fa3fa5eacfd14f5b018eddb6c1a91c57783
Analyze and fix the following issue in the Linux kernel code: f2fs: don't rely on F2FS_MAP_* in f2fs_iomap_begin
Problem Details: When testing with a mixed zoned / convention device combination, there are regular but not 100% reproducible failures in xfstests generic/113 where the __is_valid_data_blkaddr assert hits due to finding a hole. This seems to be because f2fs_map_blocks can set this flag on a hole when it was found in t...
```diff diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 017c9746a705..86585c0922f2 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -4153,20 +4153,24 @@ static int f2fs_iomap_begin(struct inode *inode, loff_t offset, loff_t length, */ map.m_len = fscrypt_limit_io_blocks(inode, map.m_lblk, map.m_len); - if ...
1382999aa0548a171a272ca817f6c38e797c458c
Analyze and fix the following issue in the Linux kernel code: tpm: Allow system suspend to continue when TPM suspend fails
Problem Details: TPM 1 is sometimes broken across system suspends, due to races or locking issues or something else that haven't been diagnosed or fixed yet, most likely having to do with concurrent reads from the TPM's hardware random number generator driver. These issues prevent the system from actually suspending, w...
```diff diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index d69905233aff..7e513b771832 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -412,7 +412,9 @@ int tpm_pm_suspend(struct device *dev) } suspended: - return rc; + if (rc) + dev_err(de...
cb7a95af78d29442b8294683eca4897544b8ef46
Analyze and fix the following issue in the Linux kernel code: hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling
Problem Details: Commit 55d1cbbbb29e ("hfs/hfsplus: use WARN_ON for sanity check") fixed a build warning by turning a comment into a WARN_ON(), but it turns out that syzbot then complains because it can trigger said warning with a corrupted hfs image. The warning actually does warn about a bad situation, but we are mu...
```diff diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index 9c329a365e75..3a155c1d810e 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -458,15 +458,16 @@ int hfs_write_inode(struct inode *inode, struct writeback_control *wbc) /* panic? */ return -EIO; + res = -EIO; if (HFS_I(main_inode)->cat_key.CName.len ...
0283189e8f3d0917e2ac399688df85211f48447b
Analyze and fix the following issue in the Linux kernel code: docs: Fix the docs build with Sphinx 6.0
Problem Details: Sphinx 6.0 removed the execfile_() function, which we use as part of the configuration process. They *did* warn us... Just open-code the functionality as is done in Sphinx itself. Tested (using SPHINX_CONF, since this code is only executed with an alternative config file) on various Sphinx versions ...
```diff diff --git a/Documentation/sphinx/load_config.py b/Documentation/sphinx/load_config.py index eeb394b39e2c..8b416bfd75ac 100644 --- a/Documentation/sphinx/load_config.py +++ b/Documentation/sphinx/load_config.py @@ -3,7 +3,7 @@ import os import sys -from sphinx.util.pycompat import execfile_ +from sphinx.uti...
a943385aa80151c6b2611d3a1cf8338af2b257a1
Analyze and fix the following issue in the Linux kernel code: dt-bindings: riscv: fix single letter canonical order
Problem Details: I used the wikipedia table for ordering extensions when updating the pattern here in commit 299824e68bd0 ("dt-bindings: riscv: add new riscv,isa strings for emulators"). Unfortunately that table did not match canonical order, as defined by the RISC-V ISA Manual, which defines extension ordering in (wh...
```diff diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index 97659bb71811..d4148418350c 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -80,7 +80,7 @@ properties: insensit...
ec64efc4966edf19fa1bc398a26bddfbadc1605f
Analyze and fix the following issue in the Linux kernel code: dt-bindings: riscv: fix underscore requirement for multi-letter extensions
Problem Details: The RISC-V ISA Manual allows the first multi-letter extension to avoid a leading underscore. Underscores are only required between multi-letter extensions. The dt-binding does not validate that a multi-letter extension is canonically ordered, as that'd need an even worse regex than is here, but it sho...
```diff diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml index 90a7cabf58fe..97659bb71811 100644 --- a/Documentation/devicetree/bindings/riscv/cpus.yaml +++ b/Documentation/devicetree/bindings/riscv/cpus.yaml @@ -80,7 +80,7 @@ properties: insensit...
7827c81f0248e3c2f40d438b020f3d222f002171
Analyze and fix the following issue in the Linux kernel code: Revert "SUNRPC: Use RMW bitops in single-threaded hot paths"
Problem Details: The premise that "Once an svc thread is scheduled and executing an RPC, no other processes will touch svc_rqst::rq_flags" is false. svc_xprt_enqueue() examines the RQ_BUSY flag in scheduled nfsd threads when determining which thread to wake up next. Found via KCSAN. Fixes: 28df0988815f ("SUNRPC: Use ...
```diff diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index bd880d55f565..9b81d012666e 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -937,7 +937,7 @@ nfsd4_read(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, * the client wants us to do more in this compound: */ if (!nfsd4_last...
0b3a551fa58b4da941efeb209b3770868e2eddd7
Analyze and fix the following issue in the Linux kernel code: nfsd: fix handling of cached open files in nfsd4_open codepath
Problem Details: Commit fb70bf124b05 ("NFSD: Instantiate a struct file when creating a regular NFSv4 file") added the ability to cache an open fd over a compound. There are a couple of problems with the way this currently works: It's racy, as a newly-created nfsd_file can end up with its PENDING bit cleared while the ...
```diff diff --git a/fs/nfsd/filecache.c b/fs/nfsd/filecache.c index 45b2c9e3f636..0ef070349014 100644 --- a/fs/nfsd/filecache.c +++ b/fs/nfsd/filecache.c @@ -1071,8 +1071,8 @@ nfsd_file_is_cached(struct inode *inode) static __be32 nfsd_file_do_acquire(struct svc_rqst *rqstp, struct svc_fh *fhp, - unsigned in...
d4b2c7484a8edd79c90b9f8acc8a03e5e3235b89
Analyze and fix the following issue in the Linux kernel code: soc: qcom: dcc: Fix unsigned comparison with less than zero
Problem Details: The return value from the call to kstrtouint_from_user() is int. However, the return value is being assigned to an unsigned int variable 'ret', so making 'ret' an int. Eliminate the following warning: ./drivers/soc/qcom/dcc.c:815:5-8: WARNING: Unsigned expression compared with zero: ret < 0 Link: htt...
```diff diff --git a/drivers/soc/qcom/dcc.c b/drivers/soc/qcom/dcc.c index d4101f79cb5d..5b50d638771d 100644 --- a/drivers/soc/qcom/dcc.c +++ b/drivers/soc/qcom/dcc.c @@ -808,7 +808,8 @@ static ssize_t config_reset_write(struct file *filp, const char __user *user_buf, size_t count, loff_t *ppos) { - unsi...
599d41fb8ea8bd2a99ca9525dd69405020e43dda
Analyze and fix the following issue in the Linux kernel code: soc: qcom: apr: Make qcom,protection-domain optional again
Problem Details: APR should not fail if the service device tree node does not have the qcom,protection-domain property, since this functionality does not exist on older platforms such as MSM8916 and MSM8996. Ignore -EINVAL (returned when the property does not exist) to fix a regression on 6.2-rc1 that prevents audio f...
```diff diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c index cd44f17dad3d..d51abb462ae5 100644 --- a/drivers/soc/qcom/apr.c +++ b/drivers/soc/qcom/apr.c @@ -461,9 +461,10 @@ static int apr_add_device(struct device *dev, struct device_node *np, goto out; } + /* Protection domain is optional, it does...
26658868354963afbff672ad6f7a85c44c311975
Analyze and fix the following issue in the Linux kernel code: dt-bindings: soc: qcom: apr: Make qcom,protection-domain optional again
Problem Details: The protection domain functionality exists only in SoCs starting from MSM8998 [1], while the APR bindings are also used on older platforms. Commit 41288c305836 ("ASoC: dt-bindings: qcom,apr: Split services to shared schema") made the "qcom,protection-domain" required but it should remain optional to a...
```diff diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml index 290555426c39..bdf482db32aa 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom...
d3178e8a434b58678d99257c0387810a24042fb6
Analyze and fix the following issue in the Linux kernel code: bpf: Skip invalid kfunc call in backtrack_insn
Problem Details: The verifier skips invalid kfunc call in check_kfunc_call(), which would be captured in fixup_kfunc_call() if such insn is not eliminated by dead code elimination. However, this can lead to the following warning in backtrack_insn(), also see [1]: ------------[ cut here ]------------ verifier backt...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 85f96c1e9f62..c4c0985daac0 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -2748,6 +2748,12 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx, */ if (insn->src_reg == 0 && is_callback_calling_function(in...
50028988403ab8e031093655af9c6919ecba3aa6
Analyze and fix the following issue in the Linux kernel code: spi: spidev: remove debug messages that access spidev->spi without locking
Problem Details: The two debug messages in spidev_open() dereference spidev->spi without taking the lock and without checking if it's not null. This can lead to a crash. Drop the messages as they're not needed - the user-space will get informed about ENOMEM with the syscall return value. Signed-off-by: Bartosz Golasze...
```diff diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 42aaaca67265..1935ca613447 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -603,7 +603,6 @@ static int spidev_open(struct inode *inode, struct file *filp) if (!spidev->tx_buffer) { spidev->tx_buffer = kmalloc(bufsiz, GFP_KERNEL)...
1f4d2dd45b6ef9c047f620d2812326a7813d2354
Analyze and fix the following issue in the Linux kernel code: spi: spidev: fix a race condition when accessing spidev->spi
Problem Details: There's a spinlock in place that is taken in file_operations callbacks whenever we check if spidev->spi is still alive (not null). It's also taken when spidev->spi is set to NULL in remove(). This however doesn't protect the code against driver unbind event while one of the syscalls is still in progre...
```diff diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 6313e7d0cdf8..42aaaca67265 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -68,7 +68,7 @@ static_assert(N_SPI_MINORS > 0 && N_SPI_MINORS <= 256); struct spidev_data { dev_t devt; - spinlock_t spi_lock; + struct mutex spi_loc...
cef139299fd86098c6e3dbd389d1d0b2462d7710
Analyze and fix the following issue in the Linux kernel code: firmware/psci: Don't register with debugfs if PSCI isn't available
Problem Details: Contrary to popular belief, PSCI is not a universal property of an ARM/arm64 system. There is a garden variety of systems out there that don't (or even cannot) implement it. I'm the first one deplore such a situation, but hey... On such systems, a "cat /sys/kernel/debug/psci" results in fireworks, as...
```diff diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index e7bcfca4159f..447ee4ea5c90 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -440,6 +440,9 @@ static const struct file_operations psci_debugfs_ops = { static int __init psci_debugfs_init(void) { + if...
f3dc61cde80d48751999c4cb46daf3b2185e6895
Analyze and fix the following issue in the Linux kernel code: firmware/psci: Fix MEM_PROTECT_RANGE function numbers
Problem Details: PSCI v1.1 offers 32-bit and 64-bit variants of the MEM_PROTECT_RANGE call using function identifier 20. Fix the incorrect definitions of the MEM_PROTECT_CHECK_RANGE calls in the PSCI UAPI header. Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: Lorenzo Pieralisi <lpieralisi@kernel.org> Cc: Arnd...
```diff diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 3511095c2702..42a40ad3fb62 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -58,7 +58,7 @@ #define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18) #define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19) -#define PSCI_1_1_...
a494398bde273143c2352dd373cad8211f7d94b2
Analyze and fix the following issue in the Linux kernel code: s390: define RUNTIME_DISCARD_EXIT to fix link error with GNU ld < 2.36
Problem Details: Nathan Chancellor reports that the s390 vmlinux fails to link with GNU ld < 2.36 since commit 99cb0d917ffa ("arch: fix broken BuildID for arm64 and riscv"). It happens for defconfig, or more specifically for CONFIG_EXPOLINE=y. $ s390x-linux-gnu-ld --version | head -n1 GNU ld (GNU Binutils for Deb...
```diff diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index f81d96710595..cbf9c1b0beda 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -17,6 +17,8 @@ /* Handle ro_after_init data on our own. */ #define RO_AFTER_INIT_DATA +#define RUNTIME_DISCARD_EXI...
45d619bdaf799196d702a9ae464b07066d6db2f9
Analyze and fix the following issue in the Linux kernel code: s390: expicitly align _edata and _end symbols on page boundary
Problem Details: Symbols _edata and _end in the linker script are the only unaligned expicitly on page boundary. Although _end is aligned implicitly by BSS_SECTION macro that is still inconsistent and could lead to a bug if a tool or function would assume that _edata is as aligned as others. For example, vmem_map_init...
```diff diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 5ea3830af0cc..f81d96710595 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -79,6 +79,7 @@ SECTIONS _end_amode31_refs = .; } + . = ALIGN(PAGE_SIZE); _edata = .; /* End of data section ...
0d4d52361b6c29bf771acd4fa461f06d78fb2fac
Analyze and fix the following issue in the Linux kernel code: s390/debug: add _ASM_S390_ prefix to header guard
Problem Details: Using DEBUG_H without a prefix is very generic and inconsistent with other header guards in arch/s390/include/asm. In fact it collides with the same name in the ath9k wireless driver though that depends on !S390 via disabled wireless support. Let's just use a consistent header guard name and prevent po...
```diff diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h index 77f24262c25c..ac665b9670c5 100644 --- a/arch/s390/include/asm/debug.h +++ b/arch/s390/include/asm/debug.h @@ -4,8 +4,8 @@ * * Copyright IBM Corp. 1999, 2020 */ -#ifndef DEBUG_H -#define DEBUG_H +#ifndef _ASM_S390_DEBUG_H +...
0376aa62320cab35d8532629fdf9cd3b8cb66c8d
Analyze and fix the following issue in the Linux kernel code: usb: musb: fix error return code in da8xx_musb_init()
Problem Details: Fix to return a negative error code -ENODEV instead of 0 as before commit 09721ba6daa1 ("usb: musb: da8xx: Call earlier clk_prepare_enable()") did. Signed-off-by: Wang Yufen <wangyufen@huawei.com> Link: https://lore.kernel.org/r/1669473332-14165-1-git-send-email-wangyufen@huawei.com Signed-off-by: Gre...
```diff diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index a4e55b0c52cf..d47e5c94587b 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -368,8 +368,10 @@ static int da8xx_musb_init(struct musb *musb) /* Returns zero if e.g. not clocked */ rev = musb_readl(reg_base, DA8XX_...
b566d38857fcb6777f25b674b90a831eec0817a2
Analyze and fix the following issue in the Linux kernel code: usb: gadget: f_fs: use io_data->status consistently
Problem Details: Commit fb1f16d74e26 ("usb: gadget: f_fs: change ep->status safe in ffs_epfile_io()") added a new ffs_io_data::status field to fix lifetime issues in synchronous requests. While there are no similar lifetime issues for asynchronous requests (the separate ep member in ffs_io_data avoids them) using the ...
```diff diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 73dc10a77cde..1221f0d1b1a9 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -825,8 +825,7 @@ static void ffs_user_copy_worker(struct work_struct *work) { struct ffs_io_data *i...
a8d3392e0e5cfeb03f0cea1f2bc3f5f183c1deb4
Analyze and fix the following issue in the Linux kernel code: usb: gadget: fusb300_udc: free irq on the error path in fusb300_probe()
Problem Details: When request_irq(ires1->start) failed in w5300_hw_probe(), irq ires->start has not been freed, and on the clean_up3 error path, we also need to free ires1->start irq, fix it. In addition, We should add free_irq in fusb300_remove(), and give the lables a proper name so that they can be understood easil...
```diff diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index 9af8b415f303..5e9e8e56e2d0 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1347,6 +1347,7 @@ static int fusb300_remove(struct platform_device *pdev) usb_del_gadget_ud...
001b0c780eac328bc48b70b8437f202a4ed785e4
Analyze and fix the following issue in the Linux kernel code: usb: typec: altmodes/displayport: Add hpd sysfs attribute
Problem Details: Exporsing HotPlugDetect(HPD) helps userspace to infer HPD state as defined by VESA DisplayPort Alt Mode on USB Type-C Standard. This allows userspace to notify users for self help, for instance, to hint user that the display port cable is probably detached (or) the display port sink (viz., monitors ect...
```diff diff --git a/Documentation/ABI/testing/sysfs-driver-typec-displayport b/Documentation/ABI/testing/sysfs-driver-typec-displayport index 231471ad0d4b..256c87c5219a 100644 --- a/Documentation/ABI/testing/sysfs-driver-typec-displayport +++ b/Documentation/ABI/testing/sysfs-driver-typec-displayport @@ -47,3 +47,18 @...
c4e3ef5685393c5051b52cf1e94b8891d49793ab
Analyze and fix the following issue in the Linux kernel code: usb: dwc3: gadget: Ignore End Transfer delay on teardown
Problem Details: If we delay sending End Transfer for Setup TRB to be prepared, we need to check if the End Transfer was in preparation for a driver teardown/soft-disconnect. In those cases, just send the End Transfer command without delay. In the case of soft-disconnect, there's a very small chance the command may no...
```diff diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 789976567f9f..89dcfac01235 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1727,6 +1727,7 @@ static int __dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force, bool int else if (!ret) dep->flags |= DWC3...
e498a04443240c15c3c857165f7b652b87f4fd96
Analyze and fix the following issue in the Linux kernel code: usb: dwc3: xilinx: include linux/gpio/consumer.h
Problem Details: The newly added gpio consumer calls cause a build failure in configurations that fail to include the right header implicitly: drivers/usb/dwc3/dwc3-xilinx.c: In function 'dwc3_xlnx_init_zynqmp': drivers/usb/dwc3/dwc3-xilinx.c:207:22: error: implicit declaration of function 'devm_gpiod_get_optional'; d...
```diff diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c index 8607d4c23283..0745e9f11b2e 100644 --- a/drivers/usb/dwc3/dwc3-xilinx.c +++ b/drivers/usb/dwc3/dwc3-xilinx.c @@ -13,6 +13,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <l...
2a33ad4a0ba5a527b92aeef9a313aefec197fe28
Analyze and fix the following issue in the Linux kernel code: HID: amd_sfh: Fix warning unwind goto
Problem Details: Return directly instead of using existing goto will not cleanup previously allocated resources. Hence replace return with goto to fix warning unwind goto which cleanups previously allocated resources. Fixes: 93ce5e0231d7 ("HID: amd_sfh: Implement SFH1.1 functionality") Reported-by: kernel test robot <...
```diff diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_client.c b/drivers/hid/amd-sfh-hid/amd_sfh_client.c index ab125f79408f..1fb0f7105fb2 100644 --- a/drivers/hid/amd-sfh-hid/amd_sfh_client.c +++ b/drivers/hid/amd-sfh-hid/amd_sfh_client.c @@ -282,7 +282,7 @@ int amd_sfh_hid_client_init(struct amd_mp2_dev *privdata) ...
f1f73651a0849c26b735e7cc1543fa650162b51c
Analyze and fix the following issue in the Linux kernel code: HID: hid-sensor-custom: Fix big on-stack allocation in hid_sensor_custom_get_known()
Problem Details: struct hid_sensor_custom_properties is currently 384 bytes big, which consumes too much stack space for no good reason. Make it dynamically allocated. Fixes: 98c062e824519 ("HID: hid-sensor-custom: Allow more custom iio sensors") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Jiri Kosin...
```diff diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c index 0c287dde345c..3e3f89e01d81 100644 --- a/drivers/hid/hid-sensor-custom.c +++ b/drivers/hid/hid-sensor-custom.c @@ -911,21 +911,28 @@ hid_sensor_custom_get_known(struct hid_sensor_hub_device *hsdev, int ret; const struct hid_...
23970a1c9475b305770fd37bebfec7a10f263787
Analyze and fix the following issue in the Linux kernel code: udf: initialize newblock to 0
Problem Details: The clang build reports this error fs/udf/inode.c:805:6: error: variable 'newblock' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized] if (*err < 0) ^~~~~~~~ newblock is never set before error handling jump. Initialize newblock to 0 and remove ...
```diff diff --git a/fs/udf/inode.c b/fs/udf/inode.c index f3e988928d1d..34e416327dd4 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -684,7 +684,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, struct kernel_lb_addr eloc, tmpeloc; int c = 1; loff_t lbcount = 0, b_off = 0; - udf_pblk_t n...
83c7423d1eb6806d13c521d1002cc1a012111719
Analyze and fix the following issue in the Linux kernel code: udf: Fix extension of the last extent in the file
Problem Details: When extending the last extent in the file within the last block, we wrongly computed the length of the last extent. This is mostly a cosmetical problem since the extent does not contain any data and the length will be fixed up by following operations but still. Fixes: 1f3868f06855 ("udf: Fix extendin...
```diff diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 1d7c2a812fc1..f3e988928d1d 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -595,7 +595,7 @@ static void udf_do_extend_final_block(struct inode *inode, */ if (new_elen <= (last_ext->extLength & UDF_EXTENT_LENGTH_MASK)) return; - added_bytes = (last_e...
d3533a8af48479a1af1a8fa7fcb0e5161398c94e
Analyze and fix the following issue in the Linux kernel code: drm/fb-helper: Replace bpp/depth parameter by color mode
Problem Details: Replace the combination of bpp and depth with a single color-mode argument. Handle special cases in simpledrm and ofdrm. Hard-code XRGB8888 as fallback format for cases where no given format works. The color-mode argument accepts the same values as the kernel's video parameter. These are mostly bpp va...
```diff diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 1369ca4ae39b..427631706128 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1756,24 +1756,21 @@ err: return DRM_FORMAT_INVALID; } -static uint32_t drm_fb_helper_find_cmdline_format(str...