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 'ci-upstream-mmots-kasan-gce-4,10.128.0.42' (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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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: [ 44.991108] kasan: CONFIG_KASAN_INLINE enabled [ 44.991888] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.993203] general protection fault: 0000 [#1] SMP KASAN [ 44.993961] Dumping ftrace buffer: [ 44.994489] (ftrace buffer empty) [ 44.994984] Modules linked in: [ 44.995419] CPU: 1 PID: 6898 Comm: syzkaller920517 Not tainted 4.14.0-mm1+ #25 [ 44.996381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.997639] task: ffff8801c55c6000 task.stack: ffff8801c54f8000 [ 44.998467] RIP: 0010:crypto_chacha20_crypt+0x537/0xbd0 [ 44.999208] RSP: 0018:ffff8801c54ff5b0 EFLAGS: 00010246 [ 44.999918] RAX: dffffc0000000000 RBX: 00000000ef9ecba1 RCX: ffffffff8226c59b [ 45.000880] RDX: 0000000000000000 RSI: ffff8801c5582780 RDI: ffff8801c54ff64c [ 45.001831] RBP: ffff8801c54ff7d0 R08: ffffed0038a9a43c R09: ffff8801c54d21c0 [ 45.002793] R10: ffff8801c54ff7f0 R11: ffffed0038a9a43b R12: 0000000000000000 [ 45.003769] R13: 0000000000000001 R14: 000000005c3d10a6 R15: dffffc0000000000 [ 45.004774] FS: 00007f27ff503700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 45.005847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.006269] kasan: CONFIG_KASAN_INLINE enabled [ 45.006270] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.008182] CR2: 0000000020216000 CR3: 00000001d2de9000 CR4: 00000000001406e0 [ 45.009152] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.010104] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.011070] Call Trace: [ 45.012512] ? crypto_chacha20_setkey+0xc0/0xc0 [ 45.017152] ? __kmalloc+0x162/0x760 [ 45.020834] ? sock_kmalloc+0x112/0x190 [ 45.024777] ? skcipher_recvmsg+0x1e6/0xf30 [ 45.029063] ? skcipher_recvmsg_nokey+0x60/0x80 [ 45.033698] ? sock_recvmsg+0xc9/0x110 [ 45.037559] ? ___sys_recvmsg+0x29b/0x630 [ 45.041670] ? __sys_recvmsg+0xe2/0x210 [ 45.045611] ? SyS_recvmsg+0x2d/0x50 [ 45.049291] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 45.054190] ? mark_held_locks+0xb2/0x100 [ 45.058305] ? retint_kernel+0x10/0x10 [ 45.062158] ? check_noncircular+0x20/0x20 [ 45.066357] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 45.071090] ? af_alg_pull_tsgl+0x8c2/0xc20 [ 45.075384] chacha20_simd+0xe4/0x410 [ 45.079157] ? chacha20_simd+0xe4/0x410 [ 45.083616] ? af_alg_get_rsgl+0x990/0x990 [ 45.087826] ? chacha20_dosimd+0x340/0x340 [ 45.092027] ? rcu_read_lock_sched_held+0x108/0x120 [ 45.097011] ? sock_kmalloc+0x112/0x190 [ 45.100951] ? sock_kmalloc+0x11f/0x190 [ 45.104891] ? copy_overflow+0x30/0x30 [ 45.108753] ? lock_sock_nested+0x91/0x110 [ 45.112951] ? trace_hardirqs_on+0xd/0x10 [ 45.117064] ? memset+0x31/0x40 [ 45.120311] skcipher_recvmsg+0xb06/0xf30 [ 45.124425] ? skcipher_recvmsg+0xb06/0xf30 [ 45.128717] ? skcipher_sendpage_nokey+0xa0/0xa0 [ 45.133441] ? skcipher_check_key.isra.4+0x61/0x200 [ 45.138424] skcipher_recvmsg_nokey+0x60/0x80 [ 45.142888] ? skcipher_recvmsg+0xf30/0xf30 [ 45.147174] sock_recvmsg+0xc9/0x110 [ 45.150851] ? __sock_recv_wifi_status+0x210/0x210 [ 45.155746] ___sys_recvmsg+0x29b/0x630 [ 45.159690] ? ___sys_sendmsg+0x8a0/0x8a0 [ 45.163814] ? vmacache_find+0x5f/0x280 [ 45.167907] ? vmacache_update+0xfe/0x130 [ 45.172023] ? up_read+0x1a/0x40 [ 45.175359] ? __do_page_fault+0x3d6/0xc90 [ 45.179559] ? lock_downgrade+0x980/0x980 [ 45.183677] ? __fdget+0x18/0x20 [ 45.187013] __sys_recvmsg+0xe2/0x210 [ 45.190777] ? __sys_recvmsg+0xe2/0x210 [ 45.194725] ? SyS_sendmmsg+0x60/0x60 [ 45.198492] ? __do_page_fault+0xc90/0xc90 [ 45.202707] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.207691] ? lockdep_sys_exit+0x47/0xf0 [ 45.211820] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 45.216807] SyS_recvmsg+0x2d/0x50 [ 45.220317] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 45.225038] RIP: 0033:0x446339 [ 45.228205] RSP: 002b:00007f27ff502dc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 45.235876] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446339 [ 45.243109] RDX: 0000000040010101 RSI: 000000002008dfc8 RDI: 0000000000000083 [ 45.250342] RBP: 0000000000000086 R08: 00007f27ff503700 R09: 00007f27ff503700 [ 45.257575] R10: 00007f27ff503700 R11: 0000000000000202 R12: 0000000000000000 [ 45.264826] R13: 00007fff9c75924f R14: 00007f27ff5039c0 R15: 0000000000000000 [ 45.272067] Code: 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6 05 00 00 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 89 9d 7c fe ff ff 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 [ 45.291145] RIP: crypto_chacha20_crypt+0x537/0xbd0 RSP: ffff8801c54ff5b0 [ 45.297960] general protection fault: 0000 [#2] SMP KASAN [ 45.298031] ---[ end trace c61382083bd04386 ]--- [ 45.298035] Kernel panic - not syncing: Fatal exception [ 45.313572] Dumping ftrace buffer: [ 45.317084] (ftrace buffer empty) [ 45.320763] Modules linked in: [ 45.323928] CPU: 0 PID: 6910 Comm: syzkaller920517 Tainted: G D 4.14.0-mm1+ #25 [ 45.332558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.341880] task: ffff8801c551a300 task.stack: ffff8801c5ad0000 [ 45.347908] RIP: 0010:crypto_chacha20_crypt+0x537/0xbd0 [ 45.353234] RSP: 0018:ffff8801c5ad75b0 EFLAGS: 00010246 [ 45.358563] RAX: dffffc0000000000 RBX: 00000000ef9ecba1 RCX: ffffffff8226c59b [ 45.365798] RDX: 0000000000000000 RSI: ffff8801c5565540 RDI: ffff8801c5ad764c [ 45.373032] RBP: ffff8801c5ad77d0 R08: ffffed0038c62e04 R09: ffff8801c6317000 [ 45.380265] R10: ffff8801c5ad77f0 R11: ffffed0038c62e03 R12: 0000000000000000 [ 45.387499] R13: 0000000000000000 R14: 000000005c3d10a6 R15: dffffc0000000000 [ 45.394739] FS: 00007f27db4bb700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 45.402931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.408776] CR2: 0000000020216000 CR3: 00000001d0545000 CR4: 00000000001406f0 [ 45.416013] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.423250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.430486] Call Trace: [ 45.433068] ? crypto_chacha20_setkey+0xc0/0xc0 [ 45.437712] ? __kmalloc+0x162/0x760 [ 45.441397] ? sock_kmalloc+0x112/0x190 [ 45.445336] ? skcipher_recvmsg+0x1e6/0xf30 [ 45.449627] ? skcipher_recvmsg_nokey+0x60/0x80 [ 45.454259] ? sock_recvmsg+0xc9/0x110 [ 45.458110] ? ___sys_recvmsg+0x29b/0x630 [ 45.462221] ? __sys_recvmsg+0xe2/0x210 [ 45.466157] ? SyS_recvmsg+0x2d/0x50 [ 45.469839] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 45.474741] ? fs_reclaim_acquire+0x20/0x20 [ 45.479028] ? lock_downgrade+0x980/0x980 [ 45.483140] ? lock_acquire+0x1d5/0x580 [ 45.487080] ? af_alg_pull_tsgl+0x8c2/0xc20 [ 45.491372] chacha20_simd+0xe4/0x410 [ 45.495138] ? chacha20_simd+0xe4/0x410 [ 45.499076] ? af_alg_get_rsgl+0x990/0x990 [ 45.503279] ? rcu_note_context_switch+0x710/0x710 [ 45.508173] ? chacha20_dosimd+0x340/0x340 [ 45.512376] ? kasan_kmalloc+0xad/0xe0 [ 45.516234] ? sock_kmalloc+0x112/0x190 [ 45.520174] ? sock_kmalloc+0x11f/0x190 [ 45.524112] ? copy_overflow+0x30/0x30 [ 45.527975] ? lock_sock_nested+0x91/0x110 [ 45.532180] ? trace_hardirqs_on+0xd/0x10 [ 45.536292] ? memset+0x31/0x40 [ 45.539539] skcipher_recvmsg+0xb06/0xf30 [ 45.543652] ? skcipher_recvmsg+0xb06/0xf30 [ 45.547945] ? skcipher_sendpage_nokey+0xa0/0xa0 [ 45.552677] ? skcipher_check_key.isra.4+0x61/0x200 [ 45.557659] skcipher_recvmsg_nokey+0x60/0x80 [ 45.562119] ? skcipher_recvmsg+0xf30/0xf30 [ 45.566414] sock_recvmsg+0xc9/0x110 [ 45.570099] ? __sock_recv_wifi_status+0x210/0x210 [ 45.574993] ___sys_recvmsg+0x29b/0x630 [ 45.578935] ? ___sys_sendmsg+0x8a0/0x8a0 [ 45.583061] ? vmacache_find+0x5f/0x280 [ 45.586998] ? vmacache_update+0xfe/0x130 [ 45.591111] ? up_read+0x1a/0x40 [ 45.594447] ? __do_page_fault+0x3d6/0xc90 [ 45.598645] ? lock_downgrade+0x980/0x980 [ 45.602765] ? __fdget+0x18/0x20 [ 45.606108] __sys_recvmsg+0xe2/0x210 [ 45.609873] ? __sys_recvmsg+0xe2/0x210 [ 45.613829] ? SyS_sendmmsg+0x60/0x60 [ 45.617595] ? __do_page_fault+0xc90/0xc90 [ 45.621796] ? trace_hardirqs_on+0xd/0x10 [ 45.625913] ? lockdep_sys_exit+0x47/0xf0 [ 45.630033] ? perf_trace_sys_enter+0xcb0/0xcb0 [ 45.634669] SyS_recvmsg+0x2d/0x50 [ 45.638176] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 45.642898] RIP: 0033:0x446339 [ 45.646051] RSP: 002b:00007f27db4badc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 45.653724] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446339 [ 45.660958] RDX: 0000000040010101 RSI: 000000002008dfc8 RDI: 00000000000000a5 [ 45.668192] RBP: 0000000000000000 R08: 00007f27db4bb700 R09: 00007f27db4bb700 [ 45.675429] R10: 00007f27db4bb700 R11: 0000000000000202 R12: 0000000000000000 [ 45.682675] R13: 00007fff9c75924f R14: 00007f27db4bb9c0 R15: 0000000000000000 [ 45.689917] Code: 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6 05 00 00 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 89 9d 7c fe ff ff 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 [ 45.708983] RIP: crypto_chacha20_crypt+0x537/0xbd0 RSP: ffff8801c5ad75b0 [ 45.715818] Dumping ftrace buffer: [ 45.719362] (ftrace buffer empty) [ 45.723043] Kernel Offset: disabled [ 45.726645] Rebooting in 86400 seconds..