Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   43.953526][ T8473] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   43.963516][ T8473] NILFS (loop0): mounting unchecked fs
[   43.969854][ T8473] NILFS (loop0): invalid segment: Magic number mismatch
[   43.977044][ T8473] NILFS (loop0): unable to fall back to spare super block
[   43.984336][ T8473] NILFS (loop0): error -22 while searching super root
executing program
[   49.096554][ T8478] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   49.106616][ T8478] NILFS (loop0): mounting unchecked fs
[   49.112734][ T8478] NILFS (loop0): invalid segment: Magic number mismatch
[   49.120412][ T8478] NILFS (loop0): unable to fall back to spare super block
[   49.127959][ T8478] NILFS (loop0): error -22 while searching super root
[   55.098864][ T8470] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810ae9cf40 (size 32):
  comm "syz-executor717", pid 8478, jiffies 4294942174 (age 8.090s)
  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:
    [<0000000054aac647>] kstrdup+0x36/0x70
    [<0000000039334411>] kstrdup_const+0x53/0x80
    [<000000002e798b20>] kvasprintf_const+0xc2/0x110
    [<000000000b035a53>] kobject_set_name_vargs+0x3b/0xe0
    [<000000002f01e52c>] kobject_init_and_add+0x6d/0xc0
    [<000000005dd21ae3>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<000000009f430ad5>] init_nilfs+0x523/0x680
    [<00000000ddd55b8a>] nilfs_mount+0x51b/0x890
    [<000000003c64556e>] legacy_get_tree+0x2b/0x90
    [<000000000dc78a8d>] vfs_get_tree+0x28/0x100
    [<000000006f683d30>] path_mount+0xc5e/0x1170
    [<00000000180ebda0>] __x64_sys_mount+0x18e/0x1d0
    [<00000000358cc101>] do_syscall_64+0x2d/0x70
    [<000000006a84cafa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9