Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   54.780172][ T8473] loop0: detected capacity change from 16369 to 0
[   54.787659][ T8473] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   54.800520][ T8473] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
[   54.812862][ T8473] NILFS (loop0): invalid segment: Magic number mismatch
[   54.819967][ T8473] NILFS (loop0): unable to fall back to spare super block
[   54.827528][ T8473] NILFS (loop0): error -22 while searching super root
executing program
[   59.961529][ T8479] loop0: detected capacity change from 16369 to 0
[   59.968672][ T8479] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   59.978612][ T8479] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
[   59.990931][ T8479] NILFS (loop0): invalid segment: Magic number mismatch
[   59.998078][ T8479] NILFS (loop0): unable to fall back to spare super block
[   60.005400][ T8479] NILFS (loop0): error -22 while searching super root
executing program
[   65.146665][ T8485] loop0: detected capacity change from 16369 to 0
[   65.153738][ T8485] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   65.164125][ T8485] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
[   65.176547][ T8485] NILFS (loop0): invalid segment: Magic number mismatch
[   65.183481][ T8485] NILFS (loop0): unable to fall back to spare super block
[   65.191045][ T8485] NILFS (loop0): error -22 while searching super root
executing program
[   70.319904][ T8491] loop0: detected capacity change from 16369 to 0
[   70.327002][ T8491] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   70.337225][ T8491] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
[   70.349502][ T8491] NILFS (loop0): invalid segment: Magic number mismatch
[   70.356649][ T8491] NILFS (loop0): unable to fall back to spare super block
[   70.363750][ T8491] NILFS (loop0): error -22 while searching super root
[   75.378582][ T8472] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   77.467918][ T8472] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810cbf88c0 (size 32):
  comm "syz-executor769", pid 8485, jiffies 4294943789 (age 12.370s)
  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:
    [<0000000037b566cf>] kstrdup+0x36/0x70
    [<00000000947edacf>] kstrdup_const+0x53/0x80
    [<00000000eaa724e4>] kvasprintf_const+0xc2/0x110
    [<00000000d678b27f>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000a45b2aec>] kobject_init_and_add+0x6d/0xc0
    [<000000008d0d9474>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<00000000a757fe7d>] init_nilfs+0x520/0x680
    [<000000006bb83e62>] nilfs_mount+0x51b/0x890
    [<00000000f646c05e>] legacy_get_tree+0x2b/0x90
    [<00000000d493c19f>] vfs_get_tree+0x28/0x100
    [<000000009e3e14b8>] path_mount+0xc5e/0x1170
    [<00000000559662bb>] __x64_sys_mount+0x18e/0x1d0
    [<00000000995d942d>] do_syscall_64+0x2d/0x70
    [<000000000f473ed4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810b83cc80 (size 32):
  comm "syz-executor769", pid 8491, jiffies 4294944307 (age 7.190s)
  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:
    [<0000000037b566cf>] kstrdup+0x36/0x70
    [<00000000947edacf>] kstrdup_const+0x53/0x80
    [<00000000eaa724e4>] kvasprintf_const+0xc2/0x110
    [<00000000d678b27f>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000a45b2aec>] kobject_init_and_add+0x6d/0xc0
    [<000000008d0d9474>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<00000000a757fe7d>] init_nilfs+0x520/0x680
    [<000000006bb83e62>] nilfs_mount+0x51b/0x890
    [<00000000f646c05e>] legacy_get_tree+0x2b/0x90
    [<00000000d493c19f>] vfs_get_tree+0x28/0x100
    [<000000009e3e14b8>] path_mount+0xc5e/0x1170
    [<00000000559662bb>] __x64_sys_mount+0x18e/0x1d0
    [<00000000995d942d>] do_syscall_64+0x2d/0x70
    [<000000000f473ed4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9