Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   55.045856][ T8468] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   55.057247][ T8468] NILFS (loop0): mounting unchecked fs
[   55.063730][ T8468] NILFS (loop0): invalid segment: Magic number mismatch
[   55.072544][ T8468] NILFS (loop0): unable to fall back to spare super block
[   55.082594][ T8468] NILFS (loop0): error -22 while searching super root
executing program
[   60.603419][ T8473] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   60.617738][ T8473] NILFS (loop0): mounting unchecked fs
[   60.624055][ T8473] NILFS (loop0): invalid segment: Magic number mismatch
[   60.631770][ T8473] NILFS (loop0): unable to fall back to spare super block
[   60.639760][ T8473] NILFS (loop0): error -22 while searching super root
executing program
[   66.140274][ T8479] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   66.150523][ T8479] NILFS (loop0): mounting unchecked fs
[   66.156811][ T8479] NILFS (loop0): invalid segment: Magic number mismatch
[   66.164428][ T8479] NILFS (loop0): unable to fall back to spare super block
[   66.172954][ T8479] NILFS (loop0): error -22 while searching super root
executing program
[   71.791641][ T8485] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   71.802245][ T8485] NILFS (loop0): mounting unchecked fs
[   71.809320][ T8485] NILFS (loop0): invalid segment: Magic number mismatch
[   71.816847][ T8485] NILFS (loop0): unable to fall back to spare super block
[   71.824326][ T8485] NILFS (loop0): error -22 while searching super root
executing program
[   77.352477][ T8490] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   77.363650][ T8490] NILFS (loop0): mounting unchecked fs
[   77.371598][ T8490] NILFS (loop0): invalid segment: Magic number mismatch
[   77.379285][ T8490] NILFS (loop0): unable to fall back to spare super block
[   77.387145][ T8490] NILFS (loop0): error -22 while searching super root
[   78.646909][ T8467] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   85.174665][ T8467] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810c49f280 (size 32):
  comm "syz-executor081", pid 8485, jiffies 4294944426 (age 13.450s)
  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:
    [<000000008d4095b4>] kstrdup+0x36/0x70
    [<0000000076c37caa>] kstrdup_const+0x53/0x80
    [<00000000cf9c0e86>] kvasprintf_const+0xc2/0x110
    [<000000005322b1ac>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000b37cd47b>] kobject_init_and_add+0x6d/0xc0
    [<00000000ed5ec9a6>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<0000000054e372a2>] init_nilfs+0x523/0x680
    [<0000000071e41544>] nilfs_mount+0x51b/0x890
    [<000000003e1d0865>] legacy_get_tree+0x2b/0x90
    [<0000000065c28be0>] vfs_get_tree+0x28/0x100
    [<000000008de58957>] path_mount+0xc5e/0x1170
    [<0000000024cbdfc5>] __x64_sys_mount+0x18e/0x1d0
    [<00000000ff9f1bbb>] do_syscall_64+0x2d/0x70
    [<0000000097e4924a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810c49f7a0 (size 32):
  comm "syz-executor081", pid 8490, jiffies 4294944982 (age 7.890s)
  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:
    [<000000008d4095b4>] kstrdup+0x36/0x70
    [<0000000076c37caa>] kstrdup_const+0x53/0x80
    [<00000000cf9c0e86>] kvasprintf_const+0xc2/0x110
    [<000000005322b1ac>] kobject_set_name_vargs+0x3b/0xe0
    [<00000000b37cd47b>] kobject_init_and_add+0x6d/0xc0
    [<00000000ed5ec9a6>] nilfs_sysfs_create_device_group+0x98/0x3a0
    [<0000000054e372a2>] init_nilfs+0x523/0x680
    [<0000000071e41544>] nilfs_mount+0x51b/0x890
    [<000000003e1d0865>] legacy_get_tree+0x2b/0x90
    [<0000000065c28be0>] vfs_get_tree+0x28/0x100
    [<000000008de58957>] path_mount+0xc5e/0x1170
    [<0000000024cbdfc5>] __x64_sys_mount+0x18e/0x1d0
    [<00000000ff9f1bbb>] do_syscall_64+0x2d/0x70
    [<0000000097e4924a>] entry_SYSCALL_64_after_hwframe+0x44/0xa9