================================================================== BUG: KASAN: wild-memory-access in crypto_shash_finup+0x2a6/0x640 crypto/shash.c:147 Read of size 36 at addr 0005088000000000 by task syz.2.17/3290 CPU: 1 UID: 0 PID: 3290 Comm: syz.2.17 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0xf4/0x170 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 crypto_shash_finup+0x2a6/0x640 crypto/shash.c:147 crypto_shash_update include/crypto/hash.h:994 [inline] shash_ahash_update+0x1e1/0x2a0 crypto/ahash.c:178 ahash_do_req_chain+0x153/0x5b0 crypto/ahash.c:329 hash_sendmsg+0xa11/0xfa0 crypto/algif_hash.c:149 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x1da/0x220 net/socket.c:729 ____sys_sendmsg+0x4ac/0x710 net/socket.c:2614 ___sys_sendmsg+0x1d7/0x250 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+0x175/0x200 net/socket.c:2703 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f03a5b8ebe9 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:00007f03a6ad0038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f03a5dc5fa0 RCX: 00007f03a5b8ebe9 RDX: 000000002404c800 RSI: 0000200000000280 RDI: 0000000000000004 RBP: 00007f03a5c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f03a5dc6038 R14: 00007f03a5dc5fa0 R15: 00007ffcbb14b288 ==================================================================