Hello, syzbot found the following issue on: HEAD commit: 4c86114194e6 Merge tag 'iomap-6.1-merge-1' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=104827bc880000 kernel config: https://syzkaller.appspot.com/x/.config?x=10f41fbb818af57a dashboard link: https://syzkaller.appspot.com/bug?extid=104c2a89561289cec13e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17a1d5fa880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12f77e34880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/47a35ffaaa39/disk-4c861141.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cc11d48eaf17/vmlinux-4c861141.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/c14465c5ddba/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+104c2a89561289cec13e@xxxxxxxxxxxxxxxxxxxxxxxxx BUG: memory leak unreferenced object 0xffff8881024bd800 (size 512): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 21.340s) hex dump (first 32 bytes): d8 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ e0 be 2a 82 ff ff ff ff 68 fc 1c 08 81 88 ff ff ..*.....h....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810eb2e740 (size 32): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 21.340s) 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 20 cb c7 85 ff ff ff ff ........ ....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a50f5>] crypto_create_tfm crypto/internal.h:92 [inline] [<ffffffff822a50f5>] crypto_spawn_tfm2+0x45/0x90 crypto/algapi.c:803 [<ffffffff822b4c1b>] crypto_spawn_shash include/crypto/internal/hash.h:231 [inline] [<ffffffff822b4c1b>] hmac_init_tfm+0x3b/0xa0 crypto/hmac.c:152 [<ffffffff822ac8c7>] crypto_shash_init_tfm+0x77/0xf0 crypto/shash.c:440 [<ffffffff822a2f52>] crypto_create_tfm_node+0x52/0x130 crypto/api.c:512 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 BUG: memory leak unreferenced object 0xffff88810a9a1800 (size 2048): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 21.340s) 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: [<ffffffff8168ecf6>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168ecf6>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168ecf6>] allocate_filesystem_keyring fs/crypto/keyring.c:194 [inline] [<ffffffff8168ecf6>] do_add_master_key fs/crypto/keyring.c:502 [inline] [<ffffffff8168ecf6>] add_master_key+0x2c6/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810a820800 (size 1024): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 21.340s) hex dump (first 32 bytes): 00 b0 a4 0e 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 58 19 9a 0a 81 88 ff ff 00 00 00 00 00 00 00 00 X............... backtrace: [<ffffffff8168e25a>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168e25a>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168e25a>] add_new_master_key+0x4a/0x250 fs/crypto/keyring.c:418 [<ffffffff8168ec10>] do_add_master_key fs/crypto/keyring.c:504 [inline] [<ffffffff8168ec10>] add_master_key+0x1e0/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff8881024bd800 (size 512): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 24.890s) hex dump (first 32 bytes): d8 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ e0 be 2a 82 ff ff ff ff 68 fc 1c 08 81 88 ff ff ..*.....h....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810eb2e740 (size 32): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 24.890s) 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 20 cb c7 85 ff ff ff ff ........ ....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a50f5>] crypto_create_tfm crypto/internal.h:92 [inline] [<ffffffff822a50f5>] crypto_spawn_tfm2+0x45/0x90 crypto/algapi.c:803 [<ffffffff822b4c1b>] crypto_spawn_shash include/crypto/internal/hash.h:231 [inline] [<ffffffff822b4c1b>] hmac_init_tfm+0x3b/0xa0 crypto/hmac.c:152 [<ffffffff822ac8c7>] crypto_shash_init_tfm+0x77/0xf0 crypto/shash.c:440 [<ffffffff822a2f52>] crypto_create_tfm_node+0x52/0x130 crypto/api.c:512 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 BUG: memory leak unreferenced object 0xffff88810a9a1800 (size 2048): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 24.890s) 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: [<ffffffff8168ecf6>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168ecf6>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168ecf6>] allocate_filesystem_keyring fs/crypto/keyring.c:194 [inline] [<ffffffff8168ecf6>] do_add_master_key fs/crypto/keyring.c:502 [inline] [<ffffffff8168ecf6>] add_master_key+0x2c6/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810a820800 (size 1024): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 24.890s) hex dump (first 32 bytes): 00 b0 a4 0e 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 58 19 9a 0a 81 88 ff ff 00 00 00 00 00 00 00 00 X............... backtrace: [<ffffffff8168e25a>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168e25a>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168e25a>] add_new_master_key+0x4a/0x250 fs/crypto/keyring.c:418 [<ffffffff8168ec10>] do_add_master_key fs/crypto/keyring.c:504 [inline] [<ffffffff8168ec10>] add_master_key+0x1e0/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff8881024bd800 (size 512): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 27.260s) hex dump (first 32 bytes): d8 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ e0 be 2a 82 ff ff ff ff 68 fc 1c 08 81 88 ff ff ..*.....h....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810eb2e740 (size 32): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 27.260s) 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 20 cb c7 85 ff ff ff ff ........ ....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a50f5>] crypto_create_tfm crypto/internal.h:92 [inline] [<ffffffff822a50f5>] crypto_spawn_tfm2+0x45/0x90 crypto/algapi.c:803 [<ffffffff822b4c1b>] crypto_spawn_shash include/crypto/internal/hash.h:231 [inline] [<ffffffff822b4c1b>] hmac_init_tfm+0x3b/0xa0 crypto/hmac.c:152 [<ffffffff822ac8c7>] crypto_shash_init_tfm+0x77/0xf0 crypto/shash.c:440 [<ffffffff822a2f52>] crypto_create_tfm_node+0x52/0x130 crypto/api.c:512 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 BUG: memory leak unreferenced object 0xffff88810a9a1800 (size 2048): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 27.260s) 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: [<ffffffff8168ecf6>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168ecf6>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168ecf6>] allocate_filesystem_keyring fs/crypto/keyring.c:194 [inline] [<ffffffff8168ecf6>] do_add_master_key fs/crypto/keyring.c:502 [inline] [<ffffffff8168ecf6>] add_master_key+0x2c6/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810a820800 (size 1024): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 27.260s) hex dump (first 32 bytes): 00 b0 a4 0e 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 58 19 9a 0a 81 88 ff ff 00 00 00 00 00 00 00 00 X............... backtrace: [<ffffffff8168e25a>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168e25a>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168e25a>] add_new_master_key+0x4a/0x250 fs/crypto/keyring.c:418 [<ffffffff8168ec10>] do_add_master_key fs/crypto/keyring.c:504 [inline] [<ffffffff8168ec10>] add_master_key+0x1e0/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff8881024bd800 (size 512): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 28.460s) hex dump (first 32 bytes): d8 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ e0 be 2a 82 ff ff ff ff 68 fc 1c 08 81 88 ff ff ..*.....h....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810eb2e740 (size 32): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 28.460s) 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 20 cb c7 85 ff ff ff ff ........ ....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a50f5>] crypto_create_tfm crypto/internal.h:92 [inline] [<ffffffff822a50f5>] crypto_spawn_tfm2+0x45/0x90 crypto/algapi.c:803 [<ffffffff822b4c1b>] crypto_spawn_shash include/crypto/internal/hash.h:231 [inline] [<ffffffff822b4c1b>] hmac_init_tfm+0x3b/0xa0 crypto/hmac.c:152 [<ffffffff822ac8c7>] crypto_shash_init_tfm+0x77/0xf0 crypto/shash.c:440 [<ffffffff822a2f52>] crypto_create_tfm_node+0x52/0x130 crypto/api.c:512 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 BUG: memory leak unreferenced object 0xffff88810a9a1800 (size 2048): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 28.460s) 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: [<ffffffff8168ecf6>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168ecf6>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168ecf6>] allocate_filesystem_keyring fs/crypto/keyring.c:194 [inline] [<ffffffff8168ecf6>] do_add_master_key fs/crypto/keyring.c:502 [inline] [<ffffffff8168ecf6>] add_master_key+0x2c6/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810a820800 (size 1024): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 28.460s) hex dump (first 32 bytes): 00 b0 a4 0e 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 58 19 9a 0a 81 88 ff ff 00 00 00 00 00 00 00 00 X............... backtrace: [<ffffffff8168e25a>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168e25a>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168e25a>] add_new_master_key+0x4a/0x250 fs/crypto/keyring.c:418 [<ffffffff8168ec10>] do_add_master_key fs/crypto/keyring.c:504 [inline] [<ffffffff8168ec10>] add_master_key+0x1e0/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff8881024bd800 (size 512): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 29.660s) hex dump (first 32 bytes): d8 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff ................ e0 be 2a 82 ff ff ff ff 68 fc 1c 08 81 88 ff ff ..*.....h....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810eb2e740 (size 32): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 29.660s) 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 20 cb c7 85 ff ff ff ff ........ ....... backtrace: [<ffffffff822a2f30>] kmalloc_node include/linux/slab.h:623 [inline] [<ffffffff822a2f30>] kzalloc_node include/linux/slab.h:744 [inline] [<ffffffff822a2f30>] crypto_create_tfm_node+0x30/0x130 crypto/api.c:504 [<ffffffff822a50f5>] crypto_create_tfm crypto/internal.h:92 [inline] [<ffffffff822a50f5>] crypto_spawn_tfm2+0x45/0x90 crypto/algapi.c:803 [<ffffffff822b4c1b>] crypto_spawn_shash include/crypto/internal/hash.h:231 [inline] [<ffffffff822b4c1b>] hmac_init_tfm+0x3b/0xa0 crypto/hmac.c:152 [<ffffffff822ac8c7>] crypto_shash_init_tfm+0x77/0xf0 crypto/shash.c:440 [<ffffffff822a2f52>] crypto_create_tfm_node+0x52/0x130 crypto/api.c:512 [<ffffffff822a3816>] crypto_alloc_tfm_node+0x96/0x180 crypto/api.c:588 [<ffffffff8168ccdc>] fscrypt_init_hkdf+0x3c/0x180 fs/crypto/hkdf.c:75 [<ffffffff8168eb90>] add_master_key+0x160/0x370 fs/crypto/keyring.c:535 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 BUG: memory leak unreferenced object 0xffff88810a9a1800 (size 2048): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 29.660s) 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: [<ffffffff8168ecf6>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168ecf6>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168ecf6>] allocate_filesystem_keyring fs/crypto/keyring.c:194 [inline] [<ffffffff8168ecf6>] do_add_master_key fs/crypto/keyring.c:502 [inline] [<ffffffff8168ecf6>] add_master_key+0x2c6/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd BUG: memory leak unreferenced object 0xffff88810a820800 (size 1024): comm "syz-executor361", pid 3670, jiffies 4294954234 (age 29.660s) hex dump (first 32 bytes): 00 b0 a4 0e 81 88 ff ff 00 00 00 00 00 00 00 00 ................ 58 19 9a 0a 81 88 ff ff 00 00 00 00 00 00 00 00 X............... backtrace: [<ffffffff8168e25a>] kmalloc include/linux/slab.h:600 [inline] [<ffffffff8168e25a>] kzalloc include/linux/slab.h:733 [inline] [<ffffffff8168e25a>] add_new_master_key+0x4a/0x250 fs/crypto/keyring.c:418 [<ffffffff8168ec10>] do_add_master_key fs/crypto/keyring.c:504 [inline] [<ffffffff8168ec10>] add_master_key+0x1e0/0x370 fs/crypto/keyring.c:554 [<ffffffff8168f233>] fscrypt_add_test_dummy_key+0x93/0xc0 fs/crypto/keyring.c:801 [<ffffffff8180b59a>] ext4_check_test_dummy_encryption fs/ext4/super.c:2680 [inline] [<ffffffff8180b59a>] ext4_check_opt_consistency+0x79a/0xb80 fs/ext4/super.c:2735 [<ffffffff818119f6>] __ext4_fill_super fs/ext4/super.c:5095 [inline] [<ffffffff818119f6>] ext4_fill_super+0xb66/0x5080 fs/ext4/super.c:5648 [<ffffffff815e7851>] get_tree_bdev+0x1f1/0x320 fs/super.c:1323 [<ffffffff815e5a88>] vfs_get_tree+0x28/0x100 fs/super.c:1530 [<ffffffff81629be7>] do_new_mount fs/namespace.c:3040 [inline] [<ffffffff81629be7>] path_mount+0xc37/0x10d0 fs/namespace.c:3370 [<ffffffff8162a7ce>] do_mount fs/namespace.c:3383 [inline] [<ffffffff8162a7ce>] __do_sys_mount fs/namespace.c:3591 [inline] [<ffffffff8162a7ce>] __se_sys_mount fs/namespace.c:3568 [inline] [<ffffffff8162a7ce>] __x64_sys_mount+0x18e/0x1d0 fs/namespace.c:3568 [<ffffffff8460f1e5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [<ffffffff8460f1e5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [<ffffffff84800087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd executing program executing program executing program --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
