Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   52.533568][ T8382] loop0: detected capacity change from 0 to 2048
[   52.542372][ T8382] EXT4-fs (loop0): too many log groups per flexible block group
[   52.550026][ T8382] EXT4-fs (loop0): failed to initialize mballoc (-12)
[   52.557215][ T8382] EXT4-fs (loop0): mount failed
executing program
[   57.948395][ T8394] loop0: detected capacity change from 0 to 2048
[   57.957141][ T8394] EXT4-fs (loop0): too many log groups per flexible block group
[   57.965132][ T8394] EXT4-fs (loop0): failed to initialize mballoc (-12)
[   57.972202][ T8394] EXT4-fs (loop0): mount failed
[   59.180196][ T8377] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff8881103755e0 (size 1184):
  comm "syz-executor173", pid 8382, jiffies 4294942518 (age 13.020s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8176b869>] ext4_alloc_inode+0x19/0x1a0
    [<ffffffff8157ce57>] alloc_inode+0x27/0x100
    [<ffffffff8157cf53>] new_inode+0x23/0x100
    [<ffffffff8173c5e0>] ext4_mb_init+0x410/0x7d0
    [<ffffffff81782402>] ext4_fill_super+0x3722/0x5b20
    [<ffffffff8154f653>] mount_bdev+0x223/0x260
    [<ffffffff815af91b>] legacy_get_tree+0x2b/0x90
    [<ffffffff8154d248>] vfs_get_tree+0x28/0x100
    [<ffffffff8158d38e>] path_mount+0xc3e/0x1120
    [<ffffffff8158dfbe>] __x64_sys_mount+0x18e/0x1d0
    [<ffffffff842e1f5d>] do_syscall_64+0x2d/0x70
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888110181660 (size 1184):
  comm "syz-executor173", pid 8394, jiffies 4294943059 (age 7.610s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8176b869>] ext4_alloc_inode+0x19/0x1a0
    [<ffffffff8157ce57>] alloc_inode+0x27/0x100
    [<ffffffff8157cf53>] new_inode+0x23/0x100
    [<ffffffff8173c5e0>] ext4_mb_init+0x410/0x7d0
    [<ffffffff81782402>] ext4_fill_super+0x3722/0x5b20
    [<ffffffff8154f653>] mount_bdev+0x223/0x260
    [<ffffffff815af91b>] legacy_get_tree+0x2b/0x90
    [<ffffffff8154d248>] vfs_get_tree+0x28/0x100
    [<ffffffff8158d38e>] path_mount+0xc3e/0x1120
    [<ffffffff8158dfbe>] __x64_sys_mount+0x18e/0x1d0
    [<ffffffff842e1f5d>] do_syscall_64+0x2d/0x70
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888110acd100 (size 256):
  comm "syz-executor173", pid 8394, jiffies 4294943059 (age 7.610s)
  hex dump (first 32 bytes):
    a0 7e 5a 00 81 88 ff ff 00 00 00 00 00 00 00 00  .~Z.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8173bf5a>] ext4_mb_add_groupinfo+0x9a/0x310
    [<ffffffff8173c63c>] ext4_mb_init+0x46c/0x7d0
    [<ffffffff81782402>] ext4_fill_super+0x3722/0x5b20
    [<ffffffff8154f653>] mount_bdev+0x223/0x260
    [<ffffffff815af91b>] legacy_get_tree+0x2b/0x90
    [<ffffffff8154d248>] vfs_get_tree+0x28/0x100
    [<ffffffff8158d38e>] path_mount+0xc3e/0x1120
    [<ffffffff8158dfbe>] __x64_sys_mount+0x18e/0x1d0
    [<ffffffff842e1f5d>] do_syscall_64+0x2d/0x70
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

[   65.498457][ T8377] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)