Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   51.862810][ T8467] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   51.872578][ T8467] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
[   51.882556][ T8467] NILFS (loop0): mounting unchecked fs
[   51.888681][ T8467] NILFS (loop0): invalid segment: Magic number mismatch
[   51.895670][ T8467] NILFS (loop0): unable to fall back to spare super block
[   51.902976][ T8467] NILFS (loop0): error -22 while searching super root
executing program
[   57.069645][ T8472] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   57.079391][ T8472] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
[   57.089509][ T8472] NILFS (loop0): mounting unchecked fs
[   57.095483][ T8472] NILFS (loop0): invalid segment: Magic number mismatch
[   57.102585][ T8472] NILFS (loop0): unable to fall back to spare super block
[   57.109977][ T8472] NILFS (loop0): error -22 while searching super root
[   58.138870][ T8466] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810cd7c540 (size 32):
  comm "syz-executor331", pid 8467, jiffies 4294942461 (age 12.430s)
  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:
    [<00000000f91c8bfa>] kstrdup+0x36/0x70
    [<000000008d787d9b>] kstrdup_const+0x53/0x80
    [<000000004f484cb8>] kvasprintf_const+0xc2/0x110
    [<0000000028657f3e>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000dc292f96>] kobject_init_and_add+0x6d/0xc0
    [<000000007e068c13>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<00000000eec07d10>] init_nilfs+0x523/0x680
    [<000000008f01dc52>] nilfs_mount+0x51b/0x890
    [<00000000fc2d8288>] legacy_get_tree+0x2b/0x90
    [<00000000f042961f>] vfs_get_tree+0x28/0x100
    [<00000000703fc81c>] path_mount+0xc5e/0x1170
    [<000000002489c4d9>] __x64_sys_mount+0x18e/0x1d0
    [<000000007a133f78>] do_syscall_64+0x2d/0x70
    [<00000000fb214107>] entry_SYSCALL_64_after_hwframe+0x44/0xa9