[LU-7267] e2fsck kill all files with Large EA.

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.8.0
• Environment: e2fsck 1.42.12 (and looks 1.42.13)
• Severity: 3
• Assignee: Niu Yawei (Inactive)
• Reporter: Alexey Lyashkov

Description

e2fsck start a killing any Large EA enabled files after wrong merging in 1.42.9 e2fsprogs.
after it point any run e2fsck produce an output

Pass 1: Checking inodes, blocks, and sizes
Extended attribute in inode 755994480 has a value size (5674) which is invalid

fix is simple - just restore old behavior in pass1.c : check_ea_in_inode() function.

                /* check value size */
-                if (entry->e_value_size > remain) {
+               if (entry->e_value_size == 0) {
                        pctx->num = entry->e_value_size;
                        problem = PR_1_ATTR_VALUE_SIZE;
                        goto fix;
                }
 
                if (entry->e_value_inum == 0) {
                        /* check value size */
                        if (entry->e_value_size > remain) {
                                pctx->num = entry->e_value_size;
                                problem = PR_1_ATTR_VALUE_SIZE;
                                goto fix;
                        }