unregister_netdevice: waiting for lo to become free. Usage count = 0
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir313270779/syzkaller.EzM8fw/63/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir313270779/syzkaller.EzM8fw/64/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir313270779/syzkaller.EzM8fw/65/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop6: detected capacity change from 0 to 2048
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir313270779/syzkaller.EzM8fw/66/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
mmap: syz-executor.3 (5206) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst.