CVE-2024-49868 btrfs: fix a NULL pointer dereference when failed to start a new trasacntion

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix a NULL pointer dereference when failed to start a new trasacntion BUG Syzbot reported a NULL pointer dereference with the following crash: FAULTINJECTION: forcing a failure. starttransaction+0x830/0x1670...

PT-2022-6660

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A use after free vulnerability was found in the prepare to relocate function in fs/btrfs/relocation.c in the btrfs module of the Linux Kernel. This flaw can be triggered by calling btrfs...