Critical Vulnerability Information Vulnerability Type: Null-pointer dereference Affected Function: Issue Description: A null-pointer dereference issue exists in the function, similar to the previously fixed use-after-free error in . Fix Method: Avoid accessing a dead socket by checking if is NULL. Related Commits: - Upstream commit: a0075accbf6d76c2dad1ad3993d2e944505d99a0 - Related fix commit: 1bff51ea59a9 ("Bluetooth: fix use-after-free error in lock_sock_nested()") Reporting Tool: syzbot Detailed Error Information: - KASAN reported multiple null-pointer dereference errors involving functions such as and . - Kernel version: 6.16.0-rc4-syzkaller-g7482bb149b9f #0 PREEMPT - Hardware platform: Google Compute Engine - Call stack: Includes function calls such as , , , , etc. Additional Information Author: Kuniyuki Iwashima Committer: Greg Kroah-Hartman Commit Time: 2025-07-07 19:28:29 +0000 Commit Hash: 2b27b389006623673e8cff4ce1e19cce640b05