From: patchwork-bot+linux-riscv@kernel.org
To: Alexandre Ghiti <alexghiti@rivosinc.com>
Cc: linux-riscv@lists.infradead.org, paul.walmsley@sifive.com,
palmer@dabbelt.com, aou@eecs.berkeley.edu, charlie@rivosinc.com,
andy.chiu@sifive.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH -fixes v2] riscv: Fix out-of-bounds when accessing Andes per hart vendor extension array
Date: Thu, 15 Aug 2024 17:50:38 +0000 [thread overview]
Message-ID: <172374423800.2967007.6789620641826605863.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240814192619.276794-1-alexghiti@rivosinc.com>
Hello:
This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@rivosinc.com>:
On Wed, 14 Aug 2024 21:26:19 +0200 you wrote:
> The out-of-bounds access is reported by UBSAN:
>
> [ 0.000000] UBSAN: array-index-out-of-bounds in ../arch/riscv/kernel/vendor_extensions.c:41:66
> [ 0.000000] index -1 is out of range for type 'riscv_isavendorinfo [32]'
> [ 0.000000] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.11.0-rc2ubuntu-defconfig #2
> [ 0.000000] Hardware name: riscv-virtio,qemu (DT)
> [ 0.000000] Call Trace:
> [ 0.000000] [<ffffffff94e078ba>] dump_backtrace+0x32/0x40
> [ 0.000000] [<ffffffff95c83c1a>] show_stack+0x38/0x44
> [ 0.000000] [<ffffffff95c94614>] dump_stack_lvl+0x70/0x9c
> [ 0.000000] [<ffffffff95c94658>] dump_stack+0x18/0x20
> [ 0.000000] [<ffffffff95c8bbb2>] ubsan_epilogue+0x10/0x46
> [ 0.000000] [<ffffffff95485a82>] __ubsan_handle_out_of_bounds+0x94/0x9c
> [ 0.000000] [<ffffffff94e09442>] __riscv_isa_vendor_extension_available+0x90/0x92
> [ 0.000000] [<ffffffff94e043b6>] riscv_cpufeature_patch_func+0xc4/0x148
> [ 0.000000] [<ffffffff94e035f8>] _apply_alternatives+0x42/0x50
> [ 0.000000] [<ffffffff95e04196>] apply_boot_alternatives+0x3c/0x100
> [ 0.000000] [<ffffffff95e05b52>] setup_arch+0x85a/0x8bc
> [ 0.000000] [<ffffffff95e00ca0>] start_kernel+0xa4/0xfb6
>
> [...]
Here is the summary with links:
- [-fixes,v2] riscv: Fix out-of-bounds when accessing Andes per hart vendor extension array
https://git.kernel.org/riscv/c/b3f10d9b81e5
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2024-08-15 17:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-14 19:26 [PATCH -fixes v2] riscv: Fix out-of-bounds when accessing Andes per hart vendor extension array Alexandre Ghiti
2024-08-14 20:21 ` Charlie Jenkins
2024-08-14 22:26 ` Conor Dooley
2024-08-15 5:23 ` Alexandre Ghiti
2024-08-15 17:50 ` patchwork-bot+linux-riscv [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=172374423800.2967007.6789620641826605863.git-patchwork-notify@kernel.org \
--to=patchwork-bot+linux-riscv@kernel.org \
--cc=alexghiti@rivosinc.com \
--cc=andy.chiu@sifive.com \
--cc=aou@eecs.berkeley.edu \
--cc=charlie@rivosinc.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox