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[PW_SID:972285] i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer#535

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[PW_SID:972285] i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer#535
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@linux-riscv-bot linux-riscv-bot commented Jun 16, 2025

PR for series 972285 applied to workflow__riscv__fixes

Name: i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=972285
Version: 1

@mugitya03
i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer
3d48177 
The data->block[0] variable comes from user. Without proper check,
the variable may be very large to cause an out-of-bounds bug.

Fix this bug by checking the value of data->block[0] first.

Similar commit:
1. commit 39244cc ("i2c: ismt: Fix an out-of-bounds bug in
ismt_access()")
2. commit 92fbb6d ("i2c: xgene-slimpro: Fix out-of-bounds
bug in xgene_slimpro_i2c_xfer()")

Signed-off-by: Alex Guo <alexguo1023@gmail.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 103.92 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 950.81 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1278.85 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 20.97 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 22.06 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 0.78 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 72.51 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 1.99 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
kdoc
Desc: Detects for kdoc errors
Duration: 0.85 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
module-param
Desc: Detect module_param changes
Duration: 0.24 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.22 seconds
Result: PASS

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linux-riscv-bot commented Jun 16, 2025

Patch 1: "i2c: busses: Fix out-of-bounds bug in mchp_corei2c_smbus_xfer"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.29 seconds
Result: PASS

@linux-riscv-bot linux-riscv-bot deleted the pw972285 branch June 18, 2025 14:20
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