loop5: detected capacity change from 0 to 1024
EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (60935!=0)
EXT4-fs (loop5): orphan cleanup on readonly fs
=====================================================
BUG: KMSAN: uninit-value in va_format lib/vsprintf.c:1693 [inline]
BUG: KMSAN: uninit-value in pointer+0x1b24/0x2060 lib/vsprintf.c:2427
 va_format lib/vsprintf.c:1693 [inline]
 pointer+0x1b24/0x2060 lib/vsprintf.c:2427
 vsnprintf+0x1aaf/0x36a0 lib/vsprintf.c:2801
 vprintk_store+0x4c4/0x20d0 kernel/printk/printk.c:2134
 vprintk_emit+0x25c/0x860 kernel/printk/printk.c:2228
 vprintk_default+0x86/0xa0 kernel/printk/printk.c:2255
 vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50
 _printk+0x187/0x1c9 kernel/printk/printk.c:2265
 __ext4_error_inode+0x743/0xa60 fs/ext4/super.c:786
 __ext4_ext_check+0x1761/0x1930 fs/ext4/extents.c:444
 ext4_ext_check_inode+0xbc/0xe0 fs/ext4/extents.c:460
 __ext4_iget+0x60ff/0x64c0 fs/ext4/inode.c:4790
 ext4_quota_enable fs/ext4/super.c:6313 [inline]
 ext4_enable_quotas+0x5bc/0xc90 fs/ext4/super.c:6348
 ext4_orphan_cleanup+0x811/0x1ff0 fs/ext4/orphan.c:432
 ext4_fill_super+0x10733/0x11500 fs/ext4/super.c:4958
 mount_bdev+0x628/0x920 fs/super.c:1368
 ext4_mount+0xc9/0xe0 fs/ext4/super.c:6515
 legacy_get_tree+0x163/0x2e0 fs/fs_context.c:610
 vfs_get_tree+0xd8/0x5d0 fs/super.c:1498
 do_new_mount+0x7bc/0x1680 fs/namespace.c:2988
 path_mount+0x106f/0x2960 fs/namespace.c:3318
 do_mount fs/namespace.c:3331 [inline]
 __do_sys_mount fs/namespace.c:3539 [inline]
 __se_sys_mount+0x8eb/0xa10 fs/namespace.c:3516
 __ia32_sys_mount+0x157/0x1b0 fs/namespace.c:3516
 do_syscall_32_irqs_on arch/x86/entry/common.c:114 [inline]
 __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:180
 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:205
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:248
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c

Local variable xas.i created at:
 mapping_get_entry mm/filemap.c:1820 [inline]
 pagecache_get_page+0x16c/0x1ec0 mm/filemap.c:1894
 find_get_page_flags include/linux/pagemap.h:357 [inline]
 __find_get_block_slow+0x14e/0xce0 fs/buffer.c:202
=====================================================