Re: [PATCH net] sctp: Fix undefined behavior in left shift operation

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:

On Tue, 18 Feb 2025 16:12:16 +0800 you wrote:

According to the C11 standard (ISO/IEC 9899:2011, 6.5.7):
"If E1 has a signed type and E1 x 2^E2 is not representable in the result
type, the behavior is undefined."

Shifting 1 << 31 causes signed integer overflow, which leads to undefined
behavior.

[...]

Here is the summary with links:
  - [net] sctp: Fix undefined behavior in left shift operation
    https://git.kernel.org/netdev/net/c/606572eb22c1

You are awesome, thank you!
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