diff mbox series

[v1,1/1] bpf: Switch to krealloc_array()

Message ID 20240429120005.3539116-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted
Commit a3034872cd90a6881ad4e10ca6d30e1215a99ada
Delegated to: BPF
Headers show
Series [v1,1/1] bpf: Switch to krealloc_array() | expand

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bpf/vmtest-bpf-next-PR success PR summary
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netdev/fixes_present success Fixes tag not required for -next series
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Commit Message

Andy Shevchenko April 29, 2024, noon UTC 
Let the krealloc_array() copy the original data and
check for a multiplication overflow.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 kernel/bpf/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Yonghong Song April 29, 2024, 5:14 p.m. UTC | #1 
On 4/29/24 5:00 AM, Andy Shevchenko wrote:
> Let the krealloc_array() copy the original data and
> check for a multiplication overflow.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Acked-by: Yonghong Song <yonghong.song@linux.dev>
patchwork-bot+netdevbpf@kernel.org April 29, 2024, 11:20 p.m. UTC | #2 
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:

On Mon, 29 Apr 2024 15:00:05 +0300 you wrote:
> Let the krealloc_array() copy the original data and
> check for a multiplication overflow.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  kernel/bpf/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Here is the summary with links:
  - [v1,1/1] bpf: Switch to krealloc_array()
    https://git.kernel.org/bpf/bpf-next/c/a3034872cd90

You are awesome, thank you!
diff mbox series

Patch

diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 466c2deeecff..778775bdbb2e 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -849,7 +849,7 @@  int bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
 		return -EINVAL;
 	}
 
-	tab = krealloc(tab, size * sizeof(*poke), GFP_KERNEL);
+	tab = krealloc_array(tab, size, sizeof(*poke), GFP_KERNEL);
 	if (!tab)
 		return -ENOMEM;