CVE-2022-50451

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> fs/ntfs3: Fix memory leak on ntfs_fill_super() error path<br /> <br /> syzbot reported kmemleak as below:<br /> <br /> BUG: memory leak<br /> unreferenced object 0xffff8880122f1540 (size 32):<br /> comm "a.out", pid 6664, jiffies 4294939771 (age 25.500s)<br /> hex dump (first 32 bytes):<br /> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................<br /> 00 00 00 00 00 00 00 00 ed ff ed ff 00 00 00 00 ................<br /> backtrace:<br /> [] ntfs_init_fs_context+0x22/0x1c0<br /> [] alloc_fs_context+0x217/0x430<br /> [] path_mount+0x704/0x1080<br /> [] __x64_sys_mount+0x18c/0x1d0<br /> [] do_syscall_64+0x34/0xb0<br /> [] entry_SYSCALL_64_after_hwframe+0x63/0xcd<br /> <br /> This patch fixes this issue by freeing mount options on error path of<br /> ntfs_fill_super().