fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-52946 · Microsoft / collected KEV context

cve-program · CVE-2026-52946

• https://git.kernel.org/stable/c/54626335ea4174ab2d9a183b511d825f6765e47b
• https://git.kernel.org/stable/c/897d6a7247739fb1528f98c575df4f2e5de7f994
• https://git.kernel.org/stable/c/32dbd5ce4be3a3ed7e00f8af18795cc84fc50a33
• https://git.kernel.org/stable/c/b5fa9e32fb6718f70c986ee14dd5d01b4846f331
• https://git.kernel.org/stable/c/1bee417678f1135e35b25a37734db46aa94258d2
• https://git.kernel.org/stable/c/20a93e397abe850c49b6fa0e8cc827b5f634a8f5
• https://git.kernel.org/stable/c/bfcc8e8d8a495bb34cae9e620adfb75fb13a3954
• https://git.kernel.org/stable/c/36c1b57b2ecf3c61ac93f5f07bd29b6f21e226ed
• https://git.kernel.org/stable/c/00633c4683828acd5256fa8d5163f440d74bbe71

No related operational record is retained in the current change model.