================================================================== 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: 0 PID: 12106 Comm: syz-executor958 Not tainted 5.3.0-rc3+ #17 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 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:78 crypto_shash_update+0x4eb/0x550 crypto/shash.c:107 shash_ahash_update crypto/shash.c:247 [inline] shash_async_update+0x11f/0x1e0 crypto/shash.c:255 crypto_ahash_update include/crypto/hash.h:534 [inline] gcm_hash_update crypto/gcm.c:232 [inline] gcm_hash_assoc_remain_continue crypto/gcm.c:341 [inline] gcm_hash_assoc_continue crypto/gcm.c:372 [inline] gcm_hash_init_continue crypto/gcm.c:397 [inline] gcm_hash+0x15d8/0x2400 crypto/gcm.c:427 gcm_encrypt_continue crypto/gcm.c:452 [inline] crypto_gcm_encrypt+0x710/0x9e0 crypto/gcm.c:481 crypto_aead_encrypt+0xf2/0x180 crypto/aead.c:98 tls_do_encryption net/tls/tls_sw.c:521 [inline] tls_push_record+0x341e/0x4e50 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+0xbc/0xf0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x440369 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffea7acc828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 RDX: ffffffffffffffc1 RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 0000000000000000 R09: 1201000000003618 R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000401bf0 R13: 0000000000401c80 R14: 0000000000000000 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 include/crypto/algapi.h:209 [inline] ghash_update+0xa83/0x1130 crypto/ghash-generic.c:77 crypto_shash_update+0x4eb/0x550 crypto/shash.c:107 shash_ahash_update crypto/shash.c:247 [inline] shash_async_update+0x11f/0x1e0 crypto/shash.c:255 crypto_ahash_update include/crypto/hash.h:534 [inline] gcm_hash_update crypto/gcm.c:232 [inline] gcm_hash_assoc_remain_continue crypto/gcm.c:341 [inline] gcm_hash_assoc_continue crypto/gcm.c:372 [inline] gcm_hash_init_continue crypto/gcm.c:397 [inline] gcm_hash+0x15d8/0x2400 crypto/gcm.c:427 gcm_encrypt_continue crypto/gcm.c:452 [inline] crypto_gcm_encrypt+0x710/0x9e0 crypto/gcm.c:481 crypto_aead_encrypt+0xf2/0x180 crypto/aead.c:98 tls_do_encryption net/tls/tls_sw.c:521 [inline] tls_push_record+0x341e/0x4e50 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+0xbc/0xf0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x63/0xe7 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: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:851 crypto_gcm_encrypt+0x4a5/0x9e0 crypto/gcm.c:480 crypto_aead_encrypt+0xf2/0x180 crypto/aead.c:98 tls_do_encryption net/tls/tls_sw.c:521 [inline] tls_push_record+0x341e/0x4e50 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+0xbc/0xf0 arch/x86/entry/common.c:297 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+0x142d/0x5fa0 mm/page_alloc.c:4768 alloc_pages_current+0x68d/0x9a0 mm/mempolicy.c:2133 alloc_pages include/linux/gfp.h:511 [inline] skb_page_frag_refill+0x2b0/0x580 net/core/sock.c:2355 sk_page_frag_refill+0xa4/0x330 net/core/sock.c:2375 tcp_sendmsg_locked+0x2311/0x6880 net/ipv4/tcp.c:1297 tcp_sendmsg+0xb2/0x100 net/ipv4/tcp.c:1420 inet6_sendmsg+0x178/0x2e0 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+0xbc/0xf0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x63/0xe7 ==================================================================