INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.284560] ================================================================== [ 31.291968] BUG: KMSAN: uninit-value in __camellia_setkey+0x150b/0x1880 [ 31.298700] CPU: 1 PID: 3577 Comm: syzkaller162845 Not tainted 4.16.0+ #83 [ 31.305682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.315013] Call Trace: [ 31.317589] dump_stack+0x185/0x1d0 [ 31.321192] ? __camellia_setkey+0x150b/0x1880 [ 31.325753] kmsan_report+0x142/0x240 [ 31.329528] __msan_warning_32+0x6c/0xb0 [ 31.333562] __camellia_setkey+0x150b/0x1880 [ 31.337944] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 31.343370] ? __save_stack_trace+0x893/0xa80 [ 31.347845] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 31.353270] camellia_setkey+0x9a/0xb0 [ 31.357135] ? camellia_setup_tail+0x3640/0x3640 [ 31.361865] setkey+0x50f/0x5a0 [ 31.365132] crypto_xcbc_digest_setkey+0x4b7/0x570 [ 31.370046] ? crypto_init_cipher_ops+0x2c0/0x2c0 [ 31.374865] ? camellia_setkey+0xb0/0xb0 [ 31.378900] ? camellia_setkey+0xb0/0xb0 [ 31.382934] ? camellia_setkey+0xb0/0xb0 [ 31.386969] ? crypto_init_cipher_ops+0x2c0/0x2c0 [ 31.391785] ? shash_async_setkey+0x2c8/0x4c0 [ 31.396264] ? crypto_xcbc_digest_final+0x530/0x530 [ 31.401255] shash_async_setkey+0x337/0x4c0 [ 31.405553] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 31.410891] ? trace_kmalloc+0xb6/0x2b0 [ 31.414840] ? shash_async_digest+0x1b0/0x1b0 [ 31.419324] crypto_ahash_setkey+0x31a/0x470 [ 31.423709] hash_setkey+0x8b/0xa0 [ 31.427226] alg_setsockopt+0x6c5/0x740 [ 31.431177] ? hash_release+0x50/0x50 [ 31.434954] ? alg_accept+0xd0/0xd0 [ 31.438559] SYSC_setsockopt+0x4b8/0x570 [ 31.442595] SyS_setsockopt+0x76/0xa0 [ 31.446374] do_syscall_64+0x309/0x430 [ 31.450237] ? SYSC_recv+0xe0/0xe0 [ 31.453753] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 31.458917] RIP: 0033:0x43fdc9 [ 31.462082] RSP: 002b:00007ffc77fcf9b8 EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 31.469762] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdc9 [ 31.477011] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003 [ 31.484266] RBP: 00000000006ca018 R08: 0000000000000018 R09: 00000000004002c8 [ 31.491508] R10: 0000000020001f3a R11: 0000000000000217 R12: 00000000004016f0 [ 31.498750] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 31.505995] [ 31.507599] Local variable description: ----vla@crypto_xcbc_digest_setkey [ 31.514492] Variable was created at: [ 31.518187] crypto_xcbc_digest_setkey+0x12e/0x570 [ 31.523089] shash_async_setkey+0x337/0x4c0 [ 31.527379] ================================================================== [ 31.534706] Disabling lock debugging due to kernel taint [ 31.540127] Kernel panic - not syncing: panic_on_warn set ... [ 31.540127] [ 31.547468] CPU: 1 PID: 3577 Comm: syzkaller162845 Tainted: G B 4.16.0+ #83 [ 31.555754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.565083] Call Trace: [ 31.567653] dump_stack+0x185/0x1d0 [ 31.571255] panic+0x39d/0x940 [ 31.574434] ? __camellia_setkey+0x150b/0x1880 [ 31.578990] kmsan_report+0x238/0x240 [ 31.582769] __msan_warning_32+0x6c/0xb0 [ 31.586804] __camellia_setkey+0x150b/0x1880 [ 31.591186] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 31.596614] ? __save_stack_trace+0x893/0xa80 [ 31.601089] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 31.606512] camellia_setkey+0x9a/0xb0 [ 31.610375] ? camellia_setup_tail+0x3640/0x3640 [ 31.615109] setkey+0x50f/0x5a0 [ 31.618366] crypto_xcbc_digest_setkey+0x4b7/0x570 [ 31.623270] ? crypto_init_cipher_ops+0x2c0/0x2c0 [ 31.628086] ? camellia_setkey+0xb0/0xb0 [ 31.632122] ? camellia_setkey+0xb0/0xb0 [ 31.636155] ? camellia_setkey+0xb0/0xb0 [ 31.640190] ? crypto_init_cipher_ops+0x2c0/0x2c0 [ 31.645009] ? shash_async_setkey+0x2c8/0x4c0 [ 31.649491] ? crypto_xcbc_digest_final+0x530/0x530 [ 31.654479] shash_async_setkey+0x337/0x4c0 [ 31.658775] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 31.664127] ? trace_kmalloc+0xb6/0x2b0 [ 31.668078] ? shash_async_digest+0x1b0/0x1b0 [ 31.672548] crypto_ahash_setkey+0x31a/0x470 [ 31.676944] hash_setkey+0x8b/0xa0 [ 31.680461] alg_setsockopt+0x6c5/0x740 [ 31.684409] ? hash_release+0x50/0x50 [ 31.688187] ? alg_accept+0xd0/0xd0 [ 31.691792] SYSC_setsockopt+0x4b8/0x570 [ 31.695833] SyS_setsockopt+0x76/0xa0 [ 31.699608] do_syscall_64+0x309/0x430 [ 31.703473] ? SYSC_recv+0xe0/0xe0 [ 31.706996] entry_SYSCALL_64_after_hwframe+0x3d/0xa2 [ 31.712164] RIP: 0033:0x43fdc9 [ 31.715327] RSP: 002b:00007ffc77fcf9b8 EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 31.723009] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdc9 [ 31.730263] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003 [ 31.737507] RBP: 00000000006ca018 R08: 0000000000000018 R09: 00000000004002c8 [ 31.744753] R10: 0000000020001f3a R11: 0000000000000217 R12: 00000000004016f0 [ 31.752000] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 31.759738] Dumping ftrace buffer: [ 31.763261] (ftrace buffer empty) [ 31.766945] Kernel Offset: disabled [ 31.770546] Rebooting in 86400 seconds..