BUG: memory leak
unreferenced object 0xffff88810cda0200 (size 512):
  comm "syz-executor356", pid 3628, jiffies 4294951319 (age 13.070s)
  hex dump (first 32 bytes):
    d8 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff  ................
    50 ed 29 82 ff ff ff ff 68 80 a4 0e 81 88 ff ff  P.).....h.......
  backtrace:
    [<ffffffff814cf984>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf984>] __kmalloc_node+0x44/0x130 mm/slab_common.c:962
    [<ffffffff82295ec0>] kmalloc_node include/linux/slab.h:602 [inline]
    [<ffffffff82295ec0>] kzalloc_node include/linux/slab.h:723 [inline]
    [<ffffffff82295ec0>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504
    [<ffffffff822967a6>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588
    [<ffffffff8168488c>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75
    [<ffffffff81686740>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535
    [<ffffffff81686de3>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801
    [<ffffffff81800e8a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline]
    [<ffffffff81800e8a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735
    [<ffffffff8180728e>] __ext4_fill_super fs/ext4/super.c:5095 [inline]
    [<ffffffff8180728e>] ext4_fill_super+0xb0e/0x5010 fs/ext4/super.c:5648
    [<ffffffff815dfd01>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323
    [<ffffffff815ddf38>] vfs_get_tree+0x28/0x100 fs/super.c:1530
    [<ffffffff81621d97>] do_new_mount fs/namespace.c:3040 [inline]
    [<ffffffff81621d97>] path_mount+0xc37/0x10d0 fs/namespace.c:3370
    [<ffffffff8162297e>] do_mount fs/namespace.c:3383 [inline]
    [<ffffffff8162297e>] __do_sys_mount fs/namespace.c:3591 [inline]
    [<ffffffff8162297e>] __se_sys_mount fs/namespace.c:3568 [inline]
    [<ffffffff8162297e>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568
    [<ffffffff84602ff5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84602ff5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88810cee0e00 (size 32):
  comm "syz-executor356", pid 3628, jiffies 4294951319 (age 13.070s)
  hex dump (first 32 bytes):
    d0 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff  ................
    00 00 00 00 00 00 00 00 60 cc c7 85 ff ff ff ff  ........`.......
  backtrace:
    [<ffffffff814cf984>] __do_kmalloc_node mm/slab_common.c:954 [inline]
    [<ffffffff814cf984>] __kmalloc_node+0x44/0x130 mm/slab_common.c:962
    [<ffffffff82295ec0>] kmalloc_node include/linux/slab.h:602 [inline]
    [<ffffffff82295ec0>] kzalloc_node include/linux/slab.h:723 [inline]
    [<ffffffff82295ec0>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504
    [<ffffffff82297f65>] crypto_create_tfm crypto/internal.h:92 [inline]
    [<ffffffff82297f65>] crypto_spawn_tfm2+0x45/0x90 crypto/algapi.c:803
    [<ffffffff822a78ab>] crypto_spawn_shash include/crypto/internal/hash.h:231 [inline]
    [<ffffffff822a78ab>] hmac_init_tfm+0x3b/0xa0 crypto/hmac.c:152
    [<ffffffff8229f737>] crypto_shash_init_tfm+0x77/0xf0 crypto/shash.c:440
    [<ffffffff82295ee2>] crypto_create_tfm_node+0x52/0x130 crypto/api.c:512
    [<ffffffff822967a6>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588
    [<ffffffff8168488c>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75
    [<ffffffff81686740>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535
    [<ffffffff81686de3>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801
    [<ffffffff81800e8a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline]
    [<ffffffff81800e8a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735
    [<ffffffff8180728e>] __ext4_fill_super fs/ext4/super.c:5095 [inline]
    [<ffffffff8180728e>] ext4_fill_super+0xb0e/0x5010 fs/ext4/super.c:5648
    [<ffffffff815dfd01>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323
    [<ffffffff815ddf38>] vfs_get_tree+0x28/0x100 fs/super.c:1530
    [<ffffffff81621d97>] do_new_mount fs/namespace.c:3040 [inline]
    [<ffffffff81621d97>] path_mount+0xc37/0x10d0 fs/namespace.c:3370
    [<ffffffff8162297e>] do_mount fs/namespace.c:3383 [inline]
    [<ffffffff8162297e>] __do_sys_mount fs/namespace.c:3591 [inline]
    [<ffffffff8162297e>] __se_sys_mount fs/namespace.c:3568 [inline]
    [<ffffffff8162297e>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568

BUG: memory leak
unreferenced object 0xffff88810b6f1800 (size 2048):
  comm "syz-executor356", pid 3628, jiffies 4294951319 (age 13.070s)
  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:
    [<ffffffff814cf050>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1046
    [<ffffffff816868a6>] kmalloc include/linux/slab.h:576 [inline]
    [<ffffffff816868a6>] kzalloc include/linux/slab.h:712 [inline]
    [<ffffffff816868a6>] allocate_filesystem_keyring fs/crypto/keyring.c:194 [inline]
    [<ffffffff816868a6>] do_add_master_key fs/crypto/keyring.c:502 [inline]
    [<ffffffff816868a6>] add_master_key+0x2c6/0x370 fs/crypto/keyring.c:554
    [<ffffffff81686de3>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801
    [<ffffffff81800e8a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline]
    [<ffffffff81800e8a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735
    [<ffffffff8180728e>] __ext4_fill_super fs/ext4/super.c:5095 [inline]
    [<ffffffff8180728e>] ext4_fill_super+0xb0e/0x5010 fs/ext4/super.c:5648
    [<ffffffff815dfd01>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323
    [<ffffffff815ddf38>] vfs_get_tree+0x28/0x100 fs/super.c:1530
    [<ffffffff81621d97>] do_new_mount fs/namespace.c:3040 [inline]
    [<ffffffff81621d97>] path_mount+0xc37/0x10d0 fs/namespace.c:3370
    [<ffffffff8162297e>] do_mount fs/namespace.c:3383 [inline]
    [<ffffffff8162297e>] __do_sys_mount fs/namespace.c:3591 [inline]
    [<ffffffff8162297e>] __se_sys_mount fs/namespace.c:3568 [inline]
    [<ffffffff8162297e>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568
    [<ffffffff84602ff5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84602ff5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd