Linux kernel EXT4 data corruption bug has been fixed

[Computer store news]

Recently, the Linux kernel has exploded a serious bug that may cause EXT4 data corruption, affecting Linux 3.4, 3.5 and 3.6 stable branches . Kernel developer Ted Ts'o said on the mailing list that the bug was introduced by a code commit of the Linux 3.6.2 kernel. Since the developer also submitted to other branches, the kernel versions released after 3.6.2 are This problem exists, such as Linux 3.4.14, 3.4.15, 3.5.7, 3.6.2, and 3.6.3. Now that the cause of the bug has been fixed, Ted Ts'o has written the fix and submitted it to the Linux 3.7 kernel version, which has been integrated in the latest release of Linux 3.7 rc3. Ted Ts'o claims that file system errors can be triggered when unusual loading options are used, or when frequent reboots, reloads, and unloads are performed. The patch has fixed the bug. Ted Ts'o said that because some of the load options have not been extensively tested, there may be potential dangers, future versions will be disabled, or at least a warning will pop up.