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BUG: KASAN: wild-memory-access in __sha512_update+0x10d/0x1d0
Read of size 2 at addr 0005088000000000 by task syz.5.4022/16653

CPU: 0 UID: 0 PID: 16653 Comm: syz.5.4022 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 kasan_report+0x118/0x150
 kasan_check_range+0x2b0/0x2c0
 __asan_memcpy+0x29/0x70
 __sha512_update+0x10d/0x1d0
 crypto_sha512_update+0x27/0x40
 shash_ahash_update+0x213/0x2f0
 hash_sendmsg+0x96b/0x11d0
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x52d/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __sys_sendmmsg+0x227/0x430
 __x64_sys_sendmmsg+0xa0/0xc0
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4c2418ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4c24f7f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f4c243c5fa0 RCX: 00007f4c2418ebe9
RDX: 0000000000000001 RSI: 0000200000000640 RDI: 0000000000000007
RBP: 00007f4c24211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4c243c6038 R14: 00007f4c243c5fa0 R15: 00007fff452f9b18
 </TASK>
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