================================================================== BUG: KASAN: wild-memory-access in __sha512_update+0x10d/0x1d0 lib/crypto/sha512.c:175 Read of size 2 at addr 0005088000000000 by task syz.0.17/6046 CPU: 0 UID: 0 PID: 6046 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: 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 __sha512_update+0x10d/0x1d0 lib/crypto/sha512.c:175 sha512_update include/crypto/sha2.h:734 [inline] crypto_sha512_update+0x27/0x40 crypto/sha512.c:151 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+0x21c/0x270 net/socket.c:729 ____sys_sendmsg+0x52d/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmmsg+0x227/0x430 net/socket.c:2757 __do_sys_sendmmsg net/socket.c:2784 [inline] __se_sys_sendmmsg net/socket.c:2781 [inline] __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2781 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: 0033:0x7fb0d338ebe9 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:00007ffd75181348 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fb0d35c5fa0 RCX: 00007fb0d338ebe9 RDX: 0000000000000001 RSI: 0000200000000640 RDI: 0000000000000004 RBP: 00007fb0d3411e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb0d35c5fa0 R14: 00007fb0d35c5fa0 R15: 0000000000000004 ==================================================================