linux-kernel - Re: [PATCH 1/2] RISC-V: kexec: Fix memory leak of fdt buffer

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Date:   Mon, 05 Dec 2022 22:40:15 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Li Huafei <lihuafei1@...wei.com>
Cc:     linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu, lizhengyu3@...wei.com,
        liaochang1@...wei.com, u.kleine-koenig@...gutronix.de,
        rdunlap@...radead.org, linux-kernel@...r.kernel.org,
        kexec@...ts.infradead.org
Subject: Re: [PATCH 1/2] RISC-V: kexec: Fix memory leak of fdt buffer

Hello:

This series was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer@...osinc.com>:

On Fri, 4 Nov 2022 17:56:57 +0800 you wrote:
> This is reported by kmemleak detector:
> 
> unreferenced object 0xff60000082864000 (size 9588):
>   comm "kexec", pid 146, jiffies 4294900634 (age 64.788s)
>   hex dump (first 32 bytes):
>     d0 0d fe ed 00 00 12 ed 00 00 00 48 00 00 11 40  ...........H...@
>     00 00 00 28 00 00 00 11 00 00 00 02 00 00 00 00  ...(............
>   backtrace:
>     [<00000000f95b17c4>] kmemleak_alloc+0x34/0x3e
>     [<00000000b9ec8e3e>] kmalloc_order+0x9c/0xc4
>     [<00000000a95cf02e>] kmalloc_order_trace+0x34/0xb6
>     [<00000000f01e68b4>] __kmalloc+0x5c2/0x62a
>     [<000000002bd497b2>] kvmalloc_node+0x66/0xd6
>     [<00000000906542fa>] of_kexec_alloc_and_setup_fdt+0xa6/0x6ea
>     [<00000000e1166bde>] elf_kexec_load+0x206/0x4ec
>     [<0000000036548e09>] kexec_image_load_default+0x40/0x4c
>     [<0000000079fbe1b4>] sys_kexec_file_load+0x1c4/0x322
>     [<0000000040c62c03>] ret_from_syscall+0x0/0x2
> 
> [...]

Here is the summary with links:
  - [1/2] RISC-V: kexec: Fix memory leak of fdt buffer
    https://git.kernel.org/riscv/c/96df59b1ae23
  - [2/2] RISC-V: kexec: Fix memory leak of elf header buffer
    https://git.kernel.org/riscv/c/cbc32023ddbd

You are awesome, thank you!
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