Local variable description: ----walk@crypto_ctr_crypt Variable was created at: crypto_ctr_crypt+0xf9/0xaf0 include/linux/crypto.h:850 crypto_skcipher_encrypt include/crypto/skcipher.h:493 [inline] crypto_ccm_encrypt+0x5fd/0x8d0 crypto/ccm.c:321 ================================================================== 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: 13693 Comm: syz-executor383 Not tainted 5.2.0+ #14 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: 0033:0x449519 Code: e8 bc 15 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 1b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc68d885cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000700028 RCX: 0000000000449519 RDX: ffffffffffffff7f RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 0000000000700020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000070002c R13: 000000000080fc6f R14: 00007fc68d8869c0 R15: 0000000000000000 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 sk_msg_alloc+0x203/0x1050 net/core/skmsg.c:37 tls_alloc_encrypted_msg net/tls/tls_sw.c:284 [inline] tls_sw_sendmsg+0xb6a/0x2740 net/tls/tls_sw.c:953 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 ==================================================================