Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   52.349213][ T8478] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   52.361101][ T8478] NILFS (loop0): invalid segment: Magic number mismatch
[   52.368572][ T8478] NILFS (loop0): unable to fall back to spare super block
[   52.375924][ T8478] NILFS (loop0): error -22 while searching super root
executing program
[   58.410424][ T8484] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   58.422347][ T8484] NILFS (loop0): invalid segment: Magic number mismatch
[   58.429957][ T8484] NILFS (loop0): unable to fall back to spare super block
[   58.437354][ T8484] NILFS (loop0): error -22 while searching super root
[   64.355650][ T8477] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110636980 (size 32):
  comm "syz-executor306", pid 8478, jiffies 4294942497 (age 14.060s)
  hex dump (first 32 bytes):
    6c 6f 6f 70 30 00 00 00 00 00 00 00 00 00 00 00  loop0...........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000009165c445>] kstrdup+0x36/0x70
    [<00000000756b8b59>] kstrdup_const+0x53/0x80
    [<000000003c63ffcb>] kvasprintf_const+0xc2/0x110
    [<00000000911bbdbb>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000fc8e8d41>] kobject_init_and_add+0x6d/0xc0
    [<00000000d0803281>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<00000000798cae77>] init_nilfs+0x523/0x680
    [<00000000543fa17d>] nilfs_mount+0x51b/0x890
    [<00000000daa5ae71>] legacy_get_tree+0x2b/0x90
    [<000000004ceab138>] vfs_get_tree+0x28/0x100
    [<000000002e635d5d>] path_mount+0xc5e/0x1170
    [<0000000063eeb2ec>] __x64_sys_mount+0x18e/0x1d0
    [<00000000ddc1f19f>] do_syscall_64+0x2d/0x70
    [<0000000037564328>] entry_SYSCALL_64_after_hwframe+0x44/0xa9