syzbot

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BUG: KASAN: wild-memory-access in md5_update+0x9b/0x150 lib/crypto/md5.c:156
Read of size 36 at addr 0005088000000000 by task syz.0.17/6086

CPU: 1 UID: 0 PID: 6086 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:200
 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105
 md5_update+0x9b/0x150 lib/crypto/md5.c:156
 hmac_md5_update include/crypto/md5.h:164 [inline]
 crypto_hmac_md5_update+0x27/0x40 crypto/md5.c:112
 crypto_shash_update include/crypto/hash.h:1006 [inline]
 shash_ahash_update+0x213/0x2f0 crypto/ahash.c:178
 hash_sendmsg+0x96b/0x11d0 crypto/algif_hash.c:149
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:729
 ____sys_sendmsg+0x505/0x830 net/socket.c:2614
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668
 __sys_sendmsg net/socket.c:2700 [inline]
 __do_sys_sendmsg net/socket.c:2705 [inline]
 __se_sys_sendmsg net/socket.c:2703 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f390b38ebe9
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:00007fff5362d918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f390b5c5fa0 RCX: 00007f390b38ebe9
RDX: 000000002404c800 RSI: 0000200000000280 RDI: 0000000000000004
RBP: 00007f390b411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f390b5c5fa0 R14: 00007f390b5c5fa0 R15: 0000000000000003
 </TASK>
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