===================================================== BUG: KMSAN: uninit-value in u128_xor include/crypto/b128ops.h:66 [inline] BUG: KMSAN: uninit-value in be128_xor include/crypto/b128ops.h:72 [inline] BUG: KMSAN: uninit-value in gf128mul_4k_lle+0x1fb/0x2b0 crypto/gf128mul.c:394 CPU: 1 PID: 28132 Comm: syz-executor.1 Not tainted 5.4.0-rc5-syzkaller #0 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+0x128/0x220 mm/kmsan/kmsan_report.c:108 __msan_warning+0x64/0xc0 mm/kmsan/kmsan_instr.c:245 u128_xor include/crypto/b128ops.h:66 [inline] be128_xor include/crypto/b128ops.h:72 [inline] gf128mul_4k_lle+0x1fb/0x2b0 crypto/gf128mul.c:394 ghash_update+0x9db/0x1130 crypto/ghash-generic.c:103 crypto_shash_update crypto/shash.c:107 [inline] shash_ahash_update+0x53a/0x650 crypto/shash.c:247 shash_async_update+0x50/0x60 crypto/shash.c:255 crypto_ahash_update include/crypto/hash.h:534 [inline] gcm_hash_update crypto/gcm.c:219 [inline] gcm_hash_assoc_remain_continue crypto/gcm.c:328 [inline] gcm_hash_assoc_continue crypto/gcm.c:359 [inline] gcm_hash_init_continue crypto/gcm.c:384 [inline] gcm_hash+0x15d8/0x2400 crypto/gcm.c:414 gcm_encrypt_continue crypto/gcm.c:439 [inline] crypto_gcm_encrypt+0x710/0x9e0 crypto/gcm.c:468 crypto_aead_encrypt+0xf2/0x180 crypto/aead.c:99 tls_do_encryption net/tls/tls_sw.c:521 [inline] tls_push_record+0x3438/0x4eb0 net/tls/tls_sw.c:730 bpf_exec_tx_verdict+0x1454/0x1c80 net/tls/tls_sw.c:770 tls_sw_sendmsg+0x158d/0x2710 net/tls/tls_sw.c:1033 inet6_sendmsg+0x2d8/0x2e0 net/ipv6/af_inet6.c:576 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] __sys_sendto+0x8fc/0xc70 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto+0x107/0x130 net/socket.c:1960 __x64_sys_sendto+0x6e/0x90 net/socket.c:1960 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45a639 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe614348c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a639 RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 1201000000003618 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe6143496d4 R13: 00000000004c8c20 R14: 00000000004df2a0 R15: 00000000ffffffff Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:149 [inline] kmsan_internal_chain_origin+0xbd/0x180 mm/kmsan/kmsan.c:317 __msan_chain_origin+0x5c/0xc0 mm/kmsan/kmsan_instr.c:179 crypto_xor include/crypto/algapi.h:209 [inline] ghash_update+0xa83/0x1130 crypto/ghash-generic.c:102 crypto_shash_update crypto/shash.c:107 [inline] shash_ahash_update+0x53a/0x650 crypto/shash.c:247 shash_async_update+0x50/0x60 crypto/shash.c:255 crypto_ahash_update include/crypto/hash.h:534 [inline] gcm_hash_update crypto/gcm.c:219 [inline] gcm_hash_assoc_remain_continue crypto/gcm.c:328 [inline] gcm_hash_assoc_continue crypto/gcm.c:359 [inline] gcm_hash_init_continue crypto/gcm.c:384 [inline] gcm_hash+0x15d8/0x2400 crypto/gcm.c:414 gcm_encrypt_continue crypto/gcm.c:439 [inline] crypto_gcm_encrypt+0x710/0x9e0 crypto/gcm.c:468 crypto_aead_encrypt+0xf2/0x180 crypto/aead.c:99 tls_do_encryption net/tls/tls_sw.c:521 [inline] tls_push_record+0x3438/0x4eb0 net/tls/tls_sw.c:730 bpf_exec_tx_verdict+0x1454/0x1c80 net/tls/tls_sw.c:770 tls_sw_sendmsg+0x158d/0x2710 net/tls/tls_sw.c:1033 inet6_sendmsg+0x2d8/0x2e0 net/ipv6/af_inet6.c:576 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] __sys_sendto+0x8fc/0xc70 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto+0x107/0x130 net/socket.c:1960 __x64_sys_sendto+0x6e/0x90 net/socket.c:1960 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:149 [inline] kmsan_internal_chain_origin+0xbd/0x180 mm/kmsan/kmsan.c:317 __msan_chain_origin+0x5c/0xc0 mm/kmsan/kmsan_instr.c:179 __crypto_xor+0x1e8/0x1470 crypto/algapi.c:992 crypto_xor include/crypto/algapi.h:213 [inline] crypto_ctr_crypt_inplace crypto/ctr.c:87 [inline] crypto_ctr_crypt+0x613/0xaf0 crypto/ctr.c:111 crypto_skcipher_encrypt+0xd2/0x150 crypto/skcipher.c:855 crypto_gcm_encrypt+0x4a5/0x9e0 crypto/gcm.c:467 crypto_aead_encrypt+0xf2/0x180 crypto/aead.c:99 tls_do_encryption net/tls/tls_sw.c:521 [inline] tls_push_record+0x3438/0x4eb0 net/tls/tls_sw.c:730 bpf_exec_tx_verdict+0x1454/0x1c80 net/tls/tls_sw.c:770 tls_sw_sendmsg+0x158d/0x2710 net/tls/tls_sw.c:1033 inet6_sendmsg+0x2d8/0x2e0 net/ipv6/af_inet6.c:576 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] __sys_sendto+0x8fc/0xc70 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto+0x107/0x130 net/socket.c:1960 __x64_sys_sendto+0x6e/0x90 net/socket.c:1960 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Uninit was created at: kmsan_save_stack_with_flags+0x3f/0x90 mm/kmsan/kmsan.c:149 kmsan_internal_alloc_meta_for_pages mm/kmsan/kmsan_shadow.c:362 [inline] kmsan_alloc_page+0x140/0x330 mm/kmsan/kmsan_shadow.c:391 __alloc_pages_nodemask+0x1421/0x5fd0 mm/page_alloc.c:4796 alloc_pages_current+0x68d/0x9a0 mm/mempolicy.c:2188 alloc_pages include/linux/gfp.h:511 [inline] skb_page_frag_refill+0x2b0/0x580 net/core/sock.c:2376 sk_page_frag_refill+0xa4/0x330 net/core/sock.c:2396 sk_msg_alloc+0x203/0x1050 net/core/skmsg.c:37 tls_alloc_encrypted_msg net/tls/tls_sw.c:284 [inline] tls_sw_sendmsg+0xb56/0x2710 net/tls/tls_sw.c:953 inet6_sendmsg+0x2d8/0x2e0 net/ipv6/af_inet6.c:576 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] __sys_sendto+0x8fc/0xc70 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto+0x107/0x130 net/socket.c:1960 __x64_sys_sendto+0x6e/0x90 net/socket.c:1960 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x44/0xa9 =====================================================