================================================================== BUG: KMSAN: uninit-value in subshift /crypto/aes_ti.c:145 [inline] BUG: KMSAN: uninit-value in aesti_encrypt+0x1238/0x1bc0 /crypto/aes_ti.c:289 CPU: 1 PID: 14949 Comm: syz-executor.5 Not tainted 5.2.0+ #15 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+0x191/0x1f0 /lib/dump_stack.c:113 kmsan_report+0x162/0x2d0 /mm/kmsan/kmsan_report.c:109 __msan_warning+0x75/0xe0 /mm/kmsan/kmsan_instr.c:294 subshift /crypto/aes_ti.c:145 [inline] aesti_encrypt+0x1238/0x1bc0 /crypto/aes_ti.c:289 crypto_cipher_encrypt_one /./include/linux/crypto.h:1753 [inline] crypto_cbcmac_digest_update+0x3cf/0x550 /crypto/ccm.c:871 crypto_shash_update /crypto/shash.c:107 [inline] shash_ahash_finup+0x659/0xb20 /crypto/shash.c:276 shash_async_finup+0xbb/0x110 /crypto/shash.c:291 crypto_ahash_op+0x1cd/0x6e0 /crypto/ahash.c:368 crypto_ahash_finup+0x8c/0xb0 /crypto/ahash.c:393 crypto_ccm_auth+0x14b2/0x1570 /crypto/ccm.c:230 crypto_ccm_encrypt+0x272/0x8d0 /crypto/ccm.c:309 crypto_aead_encrypt /./include/crypto/aead.h:331 [inline] tls_do_encryption /net/tls/tls_sw.c:521 [inline] tls_push_record+0x341a/0x4f70 /net/tls/tls_sw.c:730 bpf_exec_tx_verdict+0x1454/0x1c90 /net/tls/tls_sw.c:770 tls_sw_sendmsg+0x15bd/0x2740 /net/tls/tls_sw.c:1033 inet_sendmsg+0x48e/0x750 /net/ipv4/af_inet.c:798 sock_sendmsg_nosec /net/socket.c:646 [inline] sock_sendmsg /net/socket.c:665 [inline] __sys_sendto+0x905/0xb90 /net/socket.c:1958 __do_sys_sendto /net/socket.c:1970 [inline] __se_sys_sendto+0x107/0x130 /net/socket.c:1966 __x64_sys_sendto+0x6e/0x90 /net/socket.c:1966 do_syscall_64+0xbc/0xf0 /arch/x86/entry/common.c:302 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x459819 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f51e1190c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459819 RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 1201000000003618 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51e11916d4 R13: 00000000004c7669 R14: 00000000004dcc70 R15: 00000000ffffffff Uninit was stored to memory at: kmsan_save_stack_with_flags /mm/kmsan/kmsan.c:187 [inline] kmsan_internal_chain_origin+0xcc/0x150 /mm/kmsan/kmsan.c:345 __msan_chain_origin+0x6b/0xe0 /mm/kmsan/kmsan_instr.c:190 __crypto_xor+0x1e8/0x1470 /crypto/algapi.c:1019 crypto_xor /./include/crypto/algapi.h:214 [inline] crypto_cbcmac_digest_update+0x2ba/0x550 /crypto/ccm.c:865 crypto_shash_update /crypto/shash.c:107 [inline] shash_ahash_finup+0x659/0xb20 /crypto/shash.c:276 shash_async_finup+0xbb/0x110 /crypto/shash.c:291 crypto_ahash_op+0x1cd/0x6e0 /crypto/ahash.c:368 crypto_ahash_finup+0x8c/0xb0 /crypto/ahash.c:393 crypto_ccm_auth+0x14b2/0x1570 /crypto/ccm.c:230 crypto_ccm_encrypt+0x272/0x8d0 /crypto/ccm.c:309 crypto_aead_encrypt /./include/crypto/aead.h:331 [inline] tls_do_encryption /net/tls/tls_sw.c:521 [inline] tls_push_record+0x341a/0x4f70 /net/tls/tls_sw.c:730 bpf_exec_tx_verdict+0x1454/0x1c90 /net/tls/tls_sw.c:770 tls_sw_sendmsg+0x15bd/0x2740 /net/tls/tls_sw.c:1033 inet_sendmsg+0x48e/0x750 /net/ipv4/af_inet.c:798 sock_sendmsg_nosec /net/socket.c:646 [inline] sock_sendmsg /net/socket.c:665 [inline] __sys_sendto+0x905/0xb90 /net/socket.c:1958 __do_sys_sendto /net/socket.c:1970 [inline] __se_sys_sendto+0x107/0x130 /net/socket.c:1966 __x64_sys_sendto+0x6e/0x90 /net/socket.c:1966 do_syscall_64+0xbc/0xf0 /arch/x86/entry/common.c:302 entry_SYSCALL_64_after_hwframe+0x63/0xe7 Uninit was created at: kmsan_save_stack_with_flags+0x37/0x70 /mm/kmsan/kmsan.c:187 kmsan_internal_alloc_meta_for_pages+0x123/0x510 /mm/kmsan/kmsan_hooks.c:114 kmsan_alloc_page+0x7a/0xf0 /mm/kmsan/kmsan_hooks.c:244 __alloc_pages_nodemask+0x144d/0x6020 /mm/page_alloc.c:4701 alloc_pages_current+0x6a0/0x9b0 /mm/mempolicy.c:2132 alloc_pages /./include/linux/gfp.h:511 [inline] skb_page_frag_refill+0x2b0/0x580 /net/core/sock.c:2351 sk_page_frag_refill+0xa4/0x330 /net/core/sock.c:2371 tcp_sendmsg_locked+0x2300/0x6850 /net/ipv4/tcp.c:1297 tcp_sendmsg+0xb2/0x100 /net/ipv4/tcp.c:1420 inet_sendmsg+0x48e/0x750 /net/ipv4/af_inet.c:798 sock_sendmsg_nosec /net/socket.c:646 [inline] sock_sendmsg /net/socket.c:665 [inline] __sys_sendto+0x905/0xb90 /net/socket.c:1958 __do_sys_sendto /net/socket.c:1970 [inline] __se_sys_sendto+0x107/0x130 /net/socket.c:1966 __x64_sys_sendto+0x6e/0x90 /net/socket.c:1966 do_syscall_64+0xbc/0xf0 /arch/x86/entry/common.c:302 entry_SYSCALL_64_after_hwframe+0x63/0xe7 ==================================================================