[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 157.264722][ T8537] ===================================================== [ 157.271728][ T8537] BUG: KMSAN: uninit-value in aes_encrypt+0x12c5/0x1bc0 [ 157.278646][ T8537] CPU: 0 PID: 8537 Comm: syz-executor872 Not tainted 5.8.0-rc5-syzkaller #0 [ 157.287291][ T8537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.297321][ T8537] Call Trace: [ 157.300591][ T8537] dump_stack+0x21c/0x280 [ 157.304913][ T8537] kmsan_report+0xf7/0x1e0 [ 157.309313][ T8537] __msan_warning+0x58/0xa0 [ 157.313884][ T8537] aes_encrypt+0x12c5/0x1bc0 [ 157.318452][ T8537] ? do_splice+0x2727/0x39e0 [ 157.323076][ T8537] aesti_encrypt+0xe8/0x130 [ 157.327567][ T8537] crypto_cipher_encrypt_one+0x1e2/0x3a0 [ 157.333233][ T8537] ? aesti_set_key+0xb0/0xb0 [ 157.337849][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.343039][ T8537] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 157.348954][ T8537] crypto_cbcmac_digest_update+0x3e3/0x560 [ 157.354783][ T8537] ? crypto_cbcmac_digest_init+0x1a0/0x1a0 [ 157.360570][ T8537] crypto_shash_update+0x455/0x5a0 [ 157.365667][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.370842][ T8537] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 157.376668][ T8537] shash_ahash_finup+0x20b/0x7a0 [ 157.381592][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.386765][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.392098][ T8537] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 157.397885][ T8537] shash_async_finup+0xbb/0x110 [ 157.402771][ T8537] crypto_ahash_op+0x1c3/0x770 [ 157.407556][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.412730][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.417903][ T8537] ? shash_async_final+0x4b0/0x4b0 [ 157.423005][ T8537] ? shash_async_final+0x4b0/0x4b0 [ 157.428135][ T8537] crypto_ahash_finup+0x8c/0xb0 [ 157.432970][ T8537] crypto_ccm_auth+0x16b6/0x1780 [ 157.437924][ T8537] crypto_ccm_encrypt+0x285/0x850 [ 157.442946][ T8537] ? crypto_ccm_setauthsize+0xe0/0xe0 [ 157.448308][ T8537] crypto_aead_encrypt+0x107/0x190 [ 157.453424][ T8537] tls_push_record+0x3cb9/0x4fc0 [ 157.458340][ T8537] ? tls_sw_sendpage+0x1da/0x250 [ 157.463272][ T8537] ? pcibios_fixup_bus+0xa00/0xca0 [ 157.468389][ T8537] bpf_exec_tx_verdict+0x195a/0x29e0 [ 157.473856][ T8537] ? update_load_avg+0x860/0x1340 [ 157.478885][ T8537] tls_sw_do_sendpage+0x138a/0x1e30 [ 157.484074][ T8537] tls_sw_sendpage+0x1da/0x250 [ 157.488992][ T8537] ? tls_sw_do_sendpage+0x1e30/0x1e30 [ 157.494354][ T8537] inet_sendpage+0x1dc/0x2f0 [ 157.498943][ T8537] ? inet_sendmsg+0x1d0/0x1d0 [ 157.503609][ T8537] sock_sendpage+0x1dc/0x2b0 [ 157.508197][ T8537] pipe_to_sendpage+0x3f4/0x530 [ 157.513030][ T8537] ? sock_fasync+0x250/0x250 [ 157.517603][ T8537] __splice_from_pipe+0x5e3/0xff0 [ 157.522605][ T8537] ? generic_splice_sendpage+0x2d0/0x2d0 [ 157.528227][ T8537] generic_splice_sendpage+0x1d5/0x2d0 [ 157.533794][ T8537] ? iter_file_splice_write+0x1b70/0x1b70 [ 157.539492][ T8537] do_splice+0x2727/0x39e0 [ 157.543906][ T8537] ? datagram_poll+0x850/0x850 [ 157.548659][ T8537] ? tls_setsockopt+0x4b8/0x1640 [ 157.553581][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.558758][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.563935][ T8537] ? kmsan_set_origin_checked+0x95/0xf0 [ 157.569474][ T8537] __se_sys_splice+0x323/0x500 [ 157.574222][ T8537] __x64_sys_splice+0x6e/0x90 [ 157.578875][ T8537] do_syscall_64+0xad/0x160 [ 157.583370][ T8537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 157.589235][ T8537] RIP: 0033:0x446a29 [ 157.593099][ T8537] Code: Bad RIP value. [ 157.597142][ T8537] RSP: 002b:00007f91f8c0bd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 157.605529][ T8537] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 0000000000446a29 [ 157.613478][ T8537] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 [ 157.621459][ T8537] RBP: 00000000006dbc40 R08: 00080000fffffffc R09: 0000000000000000 [ 157.629406][ T8537] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 157.637450][ T8537] R13: 0000000020000680 R14: 00000000004ae948 R15: 20c49ba5e353f7cf [ 157.645401][ T8537] [ 157.647788][ T8537] Uninit was stored to memory at: [ 157.652798][ T8537] kmsan_internal_chain_origin+0xad/0x130 [ 157.658491][ T8537] __msan_chain_origin+0x50/0x90 [ 157.663430][ T8537] __crypto_xor+0x251/0x1610 [ 157.668011][ T8537] crypto_cbcmac_digest_update+0x2b8/0x560 [ 157.673922][ T8537] crypto_shash_update+0x455/0x5a0 [ 157.679035][ T8537] shash_ahash_finup+0x20b/0x7a0 [ 157.683948][ T8537] shash_async_finup+0xbb/0x110 [ 157.688773][ T8537] crypto_ahash_op+0x1c3/0x770 [ 157.693524][ T8537] crypto_ahash_finup+0x8c/0xb0 [ 157.698371][ T8537] crypto_ccm_auth+0x16b6/0x1780 [ 157.703297][ T8537] crypto_ccm_encrypt+0x285/0x850 [ 157.708308][ T8537] crypto_aead_encrypt+0x107/0x190 [ 157.713399][ T8537] tls_push_record+0x3cb9/0x4fc0 [ 157.718344][ T8537] bpf_exec_tx_verdict+0x195a/0x29e0 [ 157.723606][ T8537] tls_sw_do_sendpage+0x138a/0x1e30 [ 157.728784][ T8537] tls_sw_sendpage+0x1da/0x250 [ 157.733551][ T8537] inet_sendpage+0x1dc/0x2f0 [ 157.738139][ T8537] sock_sendpage+0x1dc/0x2b0 [ 157.742707][ T8537] pipe_to_sendpage+0x3f4/0x530 [ 157.747549][ T8537] __splice_from_pipe+0x5e3/0xff0 [ 157.752573][ T8537] generic_splice_sendpage+0x1d5/0x2d0 [ 157.758037][ T8537] do_splice+0x2727/0x39e0 [ 157.762445][ T8537] __se_sys_splice+0x323/0x500 [ 157.767186][ T8537] __x64_sys_splice+0x6e/0x90 [ 157.771903][ T8537] do_syscall_64+0xad/0x160 [ 157.776391][ T8537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 157.782255][ T8537] [ 157.784675][ T8537] Uninit was created at: [ 157.789021][ T8537] kmsan_save_stack_with_flags+0x3c/0x90 [ 157.794634][ T8537] kmsan_alloc_page+0xc5/0x1a0 [ 157.799406][ T8537] __alloc_pages_nodemask+0xdf0/0x1030 [ 157.804842][ T8537] alloc_pages_current+0x685/0xb50 [ 157.809933][ T8537] skb_page_frag_refill+0x540/0x780 [ 157.815110][ T8537] sk_page_frag_refill+0xa3/0x3b0 [ 157.820110][ T8537] sk_msg_alloc+0x26e/0x1340 [ 157.824678][ T8537] tls_sw_do_sendpage+0xb0d/0x1e30 [ 157.829766][ T8537] tls_sw_sendpage+0x1da/0x250 [ 157.834522][ T8537] inet_sendpage+0x1dc/0x2f0 [ 157.839210][ T8537] sock_sendpage+0x1dc/0x2b0 [ 157.843897][ T8537] pipe_to_sendpage+0x3f4/0x530 [ 157.848733][ T8537] __splice_from_pipe+0x5e3/0xff0 [ 157.853734][ T8537] generic_splice_sendpage+0x1d5/0x2d0 [ 157.859167][ T8537] do_splice+0x2727/0x39e0 [ 157.863560][ T8537] __se_sys_splice+0x323/0x500 [ 157.868298][ T8537] __x64_sys_splice+0x6e/0x90 [ 157.872950][ T8537] do_syscall_64+0xad/0x160 [ 157.877429][ T8537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 157.883286][ T8537] ===================================================== [ 157.890189][ T8537] Disabling lock debugging due to kernel taint [ 157.896350][ T8537] Kernel panic - not syncing: panic_on_warn set ... [ 157.902915][ T8537] CPU: 0 PID: 8537 Comm: syz-executor872 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 157.912957][ T8537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.923001][ T8537] Call Trace: [ 157.926275][ T8537] dump_stack+0x21c/0x280 [ 157.930587][ T8537] panic+0x4d7/0xef7 [ 157.934469][ T8537] ? add_taint+0x17c/0x210 [ 157.938867][ T8537] kmsan_report+0x1df/0x1e0 [ 157.943352][ T8537] __msan_warning+0x58/0xa0 [ 157.947839][ T8537] aes_encrypt+0x12c5/0x1bc0 [ 157.952472][ T8537] ? do_splice+0x2727/0x39e0 [ 157.957074][ T8537] aesti_encrypt+0xe8/0x130 [ 157.961591][ T8537] crypto_cipher_encrypt_one+0x1e2/0x3a0 [ 157.967216][ T8537] ? aesti_set_key+0xb0/0xb0 [ 157.971798][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 157.976986][ T8537] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 157.982774][ T8537] crypto_cbcmac_digest_update+0x3e3/0x560 [ 157.988569][ T8537] ? crypto_cbcmac_digest_init+0x1a0/0x1a0 [ 157.994354][ T8537] crypto_shash_update+0x455/0x5a0 [ 157.999454][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.004632][ T8537] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 158.010417][ T8537] shash_ahash_finup+0x20b/0x7a0 [ 158.015339][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.020517][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.025694][ T8537] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 158.031495][ T8537] shash_async_finup+0xbb/0x110 [ 158.036339][ T8537] crypto_ahash_op+0x1c3/0x770 [ 158.041361][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.046535][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.051730][ T8537] ? shash_async_final+0x4b0/0x4b0 [ 158.056821][ T8537] ? shash_async_final+0x4b0/0x4b0 [ 158.061922][ T8537] crypto_ahash_finup+0x8c/0xb0 [ 158.066765][ T8537] crypto_ccm_auth+0x16b6/0x1780 [ 158.071694][ T8537] crypto_ccm_encrypt+0x285/0x850 [ 158.076701][ T8537] ? crypto_ccm_setauthsize+0xe0/0xe0 [ 158.082049][ T8537] crypto_aead_encrypt+0x107/0x190 [ 158.087153][ T8537] tls_push_record+0x3cb9/0x4fc0 [ 158.092080][ T8537] ? tls_sw_sendpage+0x1da/0x250 [ 158.097001][ T8537] ? pcibios_fixup_bus+0xa00/0xca0 [ 158.102104][ T8537] bpf_exec_tx_verdict+0x195a/0x29e0 [ 158.107375][ T8537] ? update_load_avg+0x860/0x1340 [ 158.112404][ T8537] tls_sw_do_sendpage+0x138a/0x1e30 [ 158.117594][ T8537] tls_sw_sendpage+0x1da/0x250 [ 158.122356][ T8537] ? tls_sw_do_sendpage+0x1e30/0x1e30 [ 158.127718][ T8537] inet_sendpage+0x1dc/0x2f0 [ 158.132310][ T8537] ? inet_sendmsg+0x1d0/0x1d0 [ 158.136977][ T8537] sock_sendpage+0x1dc/0x2b0 [ 158.141551][ T8537] pipe_to_sendpage+0x3f4/0x530 [ 158.146380][ T8537] ? sock_fasync+0x250/0x250 [ 158.150955][ T8537] __splice_from_pipe+0x5e3/0xff0 [ 158.155958][ T8537] ? generic_splice_sendpage+0x2d0/0x2d0 [ 158.161577][ T8537] generic_splice_sendpage+0x1d5/0x2d0 [ 158.167030][ T8537] ? iter_file_splice_write+0x1b70/0x1b70 [ 158.172724][ T8537] do_splice+0x2727/0x39e0 [ 158.177134][ T8537] ? datagram_poll+0x850/0x850 [ 158.181886][ T8537] ? tls_setsockopt+0x4b8/0x1640 [ 158.186802][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.192007][ T8537] ? kmsan_get_metadata+0x116/0x180 [ 158.197196][ T8537] ? kmsan_set_origin_checked+0x95/0xf0 [ 158.202747][ T8537] __se_sys_splice+0x323/0x500 [ 158.207495][ T8537] __x64_sys_splice+0x6e/0x90 [ 158.212149][ T8537] do_syscall_64+0xad/0x160 [ 158.216632][ T8537] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 158.222500][ T8537] RIP: 0033:0x446a29 [ 158.226363][ T8537] Code: Bad RIP value. [ 158.230405][ T8537] RSP: 002b:00007f91f8c0bd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 158.238794][ T8537] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 0000000000446a29 [ 158.246740][ T8537] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 [ 158.254698][ T8537] RBP: 00000000006dbc40 R08: 00080000fffffffc R09: 0000000000000000 [ 158.262645][ T8537] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 158.270607][ T8537] R13: 0000000020000680 R14: 00000000004ae948 R15: 20c49ba5e353f7cf [ 158.279807][ T8537] Kernel Offset: disabled [ 158.284124][ T8537] Rebooting in 86400 seconds..