Warning: Permanently added '10.128.0.174' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   50.676801][ T8479] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   50.686670][ T8479] NILFS (loop0): mounting unchecked fs
[   50.692719][ T8479] NILFS (loop0): invalid segment: Magic number mismatch
[   50.699759][ T8479] NILFS (loop0): unable to fall back to spare super block
[   50.706917][ T8479] NILFS (loop0): error -22 while searching super root
executing program
[   56.071321][ T8486] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   56.081176][ T8486] NILFS (loop0): mounting unchecked fs
[   56.087862][ T8486] NILFS (loop0): invalid segment: Magic number mismatch
[   56.094901][ T8486] NILFS (loop0): unable to fall back to spare super block
[   56.102588][ T8486] NILFS (loop0): error -22 while searching super root
executing program
[   61.482288][ T8493] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   61.492898][ T8493] NILFS (loop0): mounting unchecked fs
[   61.499588][ T8493] NILFS (loop0): invalid segment: Magic number mismatch
[   61.508037][ T8493] NILFS (loop0): unable to fall back to spare super block
[   61.515375][ T8493] NILFS (loop0): error -22 while searching super root
[   62.688240][ T8478] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   69.013051][ T8478] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810b5e1cc0 (size 32):
  comm "syz-executor511", pid 8486, jiffies 4294942876 (age 13.000s)
  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:
    [<00000000cdcef835>] kstrdup+0x36/0x70
    [<00000000cacca33d>] kstrdup_const+0x53/0x80
    [<000000005dd282fe>] kvasprintf_const+0xc2/0x110
    [<0000000043f90257>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000199cfe34>] kobject_init_and_add+0x6d/0xc0
    [<0000000033e6534a>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<00000000f96485d3>] init_nilfs+0x523/0x680
    [<0000000083117ddc>] nilfs_mount+0x51b/0x890
    [<0000000004c5359b>] legacy_get_tree+0x2b/0x90
    [<00000000b593f224>] vfs_get_tree+0x28/0x100
    [<0000000022e158db>] path_mount+0xc5e/0x1170
    [<0000000020f32017>] __x64_sys_mount+0x18e/0x1d0
    [<000000003a5f7b51>] do_syscall_64+0x2d/0x70
    [<000000006e3cfd85>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810b5e1720 (size 32):
  comm "syz-executor511", pid 8493, jiffies 4294943417 (age 7.590s)
  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:
    [<00000000cdcef835>] kstrdup+0x36/0x70
    [<00000000cacca33d>] kstrdup_const+0x53/0x80
    [<000000005dd282fe>] kvasprintf_const+0xc2/0x110
    [<0000000043f90257>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000199cfe34>] kobject_init_and_add+0x6d/0xc0
    [<0000000033e6534a>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<00000000f96485d3>] init_nilfs+0x523/0x680
    [<0000000083117ddc>] nilfs_mount+0x51b/0x890
    [<0000000004c5359b>] legacy_get_tree+0x2b/0x90
    [<00000000b593f224>] vfs_get_tree+0x28/0x100
    [<0000000022e158db>] path_mount+0xc5e/0x1170
    [<0000000020f32017>] __x64_sys_mount+0x18e/0x1d0
    [<000000003a5f7b51>] do_syscall_64+0x2d/0x70
    [<000000006e3cfd85>] entry_SYSCALL_64_after_hwframe+0x44/0xa9