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BUG: KASAN: slab-out-of-bounds in put_unaligned_be64 include/linux/unaligned/access_ok.h:65 [inline]
BUG: KASAN: slab-out-of-bounds in sha512_base_finish include/crypto/sha512_base.h:127 [inline]
BUG: KASAN: slab-out-of-bounds in sha512_finup+0x564/0x620 arch/x86/crypto/sha512_ssse3_glue.c:80
Write of size 8 at addr ffff8801aa1b2040 by task syz-executor1/12187

CPU: 0 PID: 12187 Comm: syz-executor1 Not tainted 4.17.0+ #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1b9/0x294 lib/dump_stack.c:113
 print_address_description+0x6c/0x20b mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report.c:438
 put_unaligned_be64 include/linux/unaligned/access_ok.h:65 [inline]
 sha512_base_finish include/crypto/sha512_base.h:127 [inline]
 sha512_finup+0x564/0x620 arch/x86/crypto/sha512_ssse3_glue.c:80
 sha512_avx_finup arch/x86/crypto/sha512_ssse3_glue.c:171 [inline]
 sha512_avx_final+0x28/0x30 arch/x86/crypto/sha512_ssse3_glue.c:177
 crypto_shash_final+0x104/0x260 crypto/shash.c:152
 kdf_ctr security/keys/dh.c:186 [inline]
 keyctl_dh_compute_kdf security/keys/dh.c:217 [inline]
 __keyctl_dh_compute+0x1184/0x1bc0 security/keys/dh.c:389
 keyctl_dh_compute+0xb9/0x100 security/keys/dh.c:425
 __do_sys_keyctl security/keys/keyctl.c:1741 [inline]
 __se_sys_keyctl security/keys/keyctl.c:1637 [inline]
 __x64_sys_keyctl+0x12a/0x3b0 security/keys/keyctl.c:1637
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4559f9
Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007f63ed470c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 00007f63ed4716d4 RCX: 00000000004559f9
RDX: 0000000020000400 RSI: 0000000020000380 RDI: 0000000000000017
RBP: 000000000072bea0 R08: 0000000020000540 R09: 0000000000000000
R10: 0000000000000038 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004bfbb9 R14: 00000000004ce990 R15: 0000000000000000

Allocated by task 12187:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x14e/0x760 mm/slab.c:3727
 kmalloc include/linux/slab.h:518 [inline]
 keyctl_dh_compute_kdf security/keys/dh.c:211 [inline]
 __keyctl_dh_compute+0xfe9/0x1bc0 security/keys/dh.c:389
 keyctl_dh_compute+0xb9/0x100 security/keys/dh.c:425
 __do_sys_keyctl security/keys/keyctl.c:1741 [inline]
 __se_sys_keyctl security/keys/keyctl.c:1637 [inline]
 __x64_sys_keyctl+0x12a/0x3b0 security/keys/keyctl.c:1637
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 0:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521
 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
 __cache_free mm/slab.c:3498 [inline]
 kfree+0xd9/0x260 mm/slab.c:3813
 kvfree+0x61/0x70 mm/util.c:442
 __nf_hook_entries_free+0x31/0x40 net/netfilter/core.c:71
 __rcu_reclaim kernel/rcu/rcu.h:178 [inline]
 rcu_do_batch kernel/rcu/tree.c:2558 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2818 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2785 [inline]
 rcu_process_callbacks+0xe9d/0x1760 kernel/rcu/tree.c:2802
 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:284

The buggy address belongs to the object at ffff8801aa1b2000
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 0 bytes to the right of
 64-byte region [ffff8801aa1b2000, ffff8801aa1b2040)
The buggy address belongs to the page:
page:ffffea0006a86c80 count:1 mapcount:0 mapping:ffff8801da800340 index:0xffff8801aa1b2a00
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffffea0006b69108 ffffea00071eb1c8 ffff8801da800340
raw: ffff8801aa1b2a00 ffff8801aa1b2000 0000000100000012 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801aa1b1f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801aa1b1f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8801aa1b2000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                           ^
 ffff8801aa1b2080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff8801aa1b2100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
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