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-net-kasan-gce-6,10.128.15.198' (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 syzkaller login: [ 31.430081] kasan: CONFIG_KASAN_INLINE enabled [ 31.430899] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.432162] general protection fault: 0000 [#1] SMP KASAN [ 31.432899] Dumping ftrace buffer: [ 31.433373] (ftrace buffer empty) [ 31.433868] Modules linked in: [ 31.434306] CPU: 0 PID: 6285 Comm: syzkaller774851 Not tainted 4.14.0+ #128 [ 31.435252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.435534] kasan: CONFIG_KASAN_INLINE enabled [ 31.435536] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.438038] task: ffff8801c63fa140 task.stack: ffff8801c52e8000 [ 31.438841] RIP: 0010:crypto_chacha20_crypt+0x537/0xbd0 [ 31.439565] RSP: 0018:ffff8801c52ef5b0 EFLAGS: 00010246 [ 31.440275] RAX: dffffc0000000000 RBX: 00000000ef9ecba1 RCX: ffffffff82265bab [ 31.441244] RDX: 0000000000000000 RSI: ffff8801c5554780 RDI: ffff8801c52ef64c [ 31.442196] RBP: ffff8801c52ef7d0 R08: ffffed0038a8ee6c R09: ffff8801c5477340 [ 31.443148] R10: ffff8801c52ef7f0 R11: ffffed0038a8ee6b R12: 0000000000000000 [ 31.444099] R13: 0000000000000000 R14: 000000005c3d10a6 R15: dffffc0000000000 [ 31.445051] FS: 00007f7725fce700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 [ 31.446190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.446982] CR2: 0000000020216000 CR3: 00000001c5566000 CR4: 00000000001406f0 [ 31.447968] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.448980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.449932] Call Trace: [ 31.450765] ? crypto_chacha20_setkey+0xc0/0xc0 [ 31.455405] ? __kmalloc+0x162/0x760 [ 31.459085] ? sock_kmalloc+0x112/0x190 [ 31.463028] ? skcipher_recvmsg+0x1e6/0xf30 [ 31.467313] ? skcipher_recvmsg_nokey+0x60/0x80 [ 31.471947] ? sock_recvmsg+0xc9/0x110 [ 31.475798] ? ___sys_recvmsg+0x29b/0x630 [ 31.479911] ? __sys_recvmsg+0xe2/0x210 [ 31.483848] ? SyS_recvmsg+0x2d/0x50 [ 31.487530] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 31.492430] ? mark_held_locks+0xb2/0x100 [ 31.496547] ? check_noncircular+0x20/0x20 [ 31.500746] ? retint_kernel+0x10/0x10 [ 31.504601] ? af_alg_pull_tsgl+0x8c2/0xc20 [ 31.508896] chacha20_simd+0xe4/0x410 [ 31.512662] ? chacha20_simd+0xe4/0x410 [ 31.516602] ? af_alg_get_rsgl+0x990/0x990 [ 31.520803] ? chacha20_dosimd+0x340/0x340 [ 31.525005] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.529990] ? sock_kmalloc+0x112/0x190 [ 31.533931] ? sock_kmalloc+0x11f/0x190 [ 31.537872] ? copy_overflow+0x30/0x30 [ 31.541725] ? lock_sock_nested+0x91/0x110 [ 31.545924] ? trace_hardirqs_on+0xd/0x10 [ 31.550039] ? memset+0x31/0x40 [ 31.553287] skcipher_recvmsg+0xb06/0xf30 [ 31.557399] ? skcipher_recvmsg+0xb06/0xf30 [ 31.561692] ? skcipher_sendpage_nokey+0xa0/0xa0 [ 31.566416] ? skcipher_check_key.isra.4+0x61/0x200 [ 31.571410] skcipher_recvmsg_nokey+0x60/0x80 [ 31.575874] ? skcipher_recvmsg+0xf30/0xf30 [ 31.580162] sock_recvmsg+0xc9/0x110 [ 31.583841] ? __sock_recv_wifi_status+0x210/0x210 [ 31.588738] ___sys_recvmsg+0x29b/0x630 [ 31.592683] ? ___sys_sendmsg+0x8a0/0x8a0 [ 31.596807] ? vmacache_find+0x5f/0x280 [ 31.600745] ? vmacache_update+0xfe/0x130 [ 31.604863] ? up_read+0x1a/0x40 [ 31.608195] ? __do_page_fault+0x3d6/0xc90 [ 31.612393] ? lock_downgrade+0x980/0x980 [ 31.616510] ? __fdget+0x18/0x20 [ 31.619842] __sys_recvmsg+0xe2/0x210 [ 31.623609] ? __sys_recvmsg+0xe2/0x210 [ 31.627548] ? SyS_sendmmsg+0x60/0x60 [ 31.631315] ? __do_page_fault+0xc90/0xc90 [ 31.635513] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.640497] ? lockdep_sys_exit+0x47/0xf0 [ 31.644614] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.649597] SyS_recvmsg+0x2d/0x50 [ 31.653104] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 31.657822] RIP: 0033:0x447ae9 [ 31.660979] RSP: 002b:00007f7725fcdd08 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 31.668651] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447ae9 [ 31.675886] RDX: 0000000040010101 RSI: 000000002008dfc8 RDI: 0000000000000006 [ 31.683128] RBP: 0000000000000086 R08: 00007f7725fce700 R09: 00007f7725fce700 [ 31.690366] R10: 00007f7725fce700 R11: 0000000000000246 R12: 0000000000000000 [ 31.697599] R13: 00000000007efd4f R14: 00007f7725fce9c0 R15: 0000000000000000 [ 31.704841] 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 [ 31.723910] RIP: crypto_chacha20_crypt+0x537/0xbd0 RSP: ffff8801c52ef5b0 [ 31.730724] general protection fault: 0000 [#2] SMP KASAN [ 31.730813] ---[ end trace 1cc7676745ebac7c ]--- [ 31.730817] Kernel panic - not syncing: Fatal exception [ 31.746300] Dumping ftrace buffer: [ 31.749806] (ftrace buffer empty) [ 31.753482] Modules linked in: [ 31.756644] CPU: 1 PID: 6288 Comm: syzkaller774851 Tainted: G D 4.14.0+ #128 [ 31.765011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.774332] task: ffff8801c52d6200 task.stack: ffff8801c5258000 [ 31.780359] RIP: 0010:crypto_chacha20_crypt+0x537/0xbd0 [ 31.785687] RSP: 0018:ffff8801c525f5b0 EFLAGS: 00010246 [ 31.791017] RAX: dffffc0000000000 RBX: 00000000ef9ecba1 RCX: ffffffff82265bab [ 31.798255] RDX: 0000000000000000 RSI: ffff8801c50cb080 RDI: ffff8801c525f64c [ 31.805495] RBP: ffff8801c525f7d0 R08: ffffed0038ae2bc4 R09: ffff8801c5715e00 [ 31.812734] R10: ffff8801c525f7f0 R11: ffffed0038ae2bc3 R12: 0000000000000000 [ 31.819971] R13: 0000000000000000 R14: 000000005c3d10a6 R15: dffffc0000000000 [ 31.827211] FS: 00007f7728fd4700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 31.835403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.841253] CR2: 0000000020216000 CR3: 00000001c6731000 CR4: 00000000001406e0 [ 31.848493] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.855731] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.862967] Call Trace: [ 31.865845] ? crypto_chacha20_setkey+0xc0/0xc0 [ 31.870482] ? __kmalloc+0x162/0x760 [ 31.874162] ? sock_kmalloc+0x112/0x190 [ 31.878100] ? skcipher_recvmsg+0x1e6/0xf30 [ 31.882385] ? skcipher_recvmsg_nokey+0x60/0x80 [ 31.887017] ? sock_recvmsg+0xc9/0x110 [ 31.890871] ? ___sys_recvmsg+0x29b/0x630 [ 31.894981] ? __sys_recvmsg+0xe2/0x210 [ 31.898919] ? SyS_recvmsg+0x2d/0x50 [ 31.902597] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 31.907496] ? fs_reclaim_acquire+0x20/0x20 [ 31.911787] ? lock_downgrade+0x980/0x980 [ 31.915899] ? lock_acquire+0x1d5/0x580 [ 31.919838] ? af_alg_pull_tsgl+0x8c2/0xc20 [ 31.924129] chacha20_simd+0xe4/0x410 [ 31.927892] ? chacha20_simd+0xe4/0x410 [ 31.931829] ? af_alg_get_rsgl+0x990/0x990 [ 31.936027] ? rcu_note_context_switch+0x710/0x710 [ 31.940921] ? chacha20_dosimd+0x340/0x340 [ 31.945120] ? kasan_kmalloc+0xad/0xe0 [ 31.948979] ? sock_kmalloc+0x112/0x190 [ 31.952921] ? sock_kmalloc+0x11f/0x190 [ 31.956862] ? copy_overflow+0x30/0x30 [ 31.960712] ? lock_sock_nested+0x91/0x110 [ 31.964911] ? trace_hardirqs_on+0xd/0x10 [ 31.969024] ? memset+0x31/0x40 [ 31.972268] skcipher_recvmsg+0xb06/0xf30 [ 31.976378] ? skcipher_recvmsg+0xb06/0xf30 [ 31.980669] ? skcipher_sendpage_nokey+0xa0/0xa0 [ 31.985389] ? skcipher_check_key.isra.4+0x61/0x200 [ 31.990371] skcipher_recvmsg_nokey+0x60/0x80 [ 31.994830] ? skcipher_recvmsg+0xf30/0xf30 [ 31.999116] sock_recvmsg+0xc9/0x110 [ 32.002797] ? __sock_recv_wifi_status+0x210/0x210 [ 32.007694] ___sys_recvmsg+0x29b/0x630 [ 32.011637] ? ___sys_sendmsg+0x8a0/0x8a0 [ 32.015761] ? vmacache_find+0x5f/0x280 [ 32.019704] ? vmacache_update+0xfe/0x130 [ 32.023819] ? up_read+0x1a/0x40 [ 32.027152] ? __do_page_fault+0x3d6/0xc90 [ 32.031350] ? lock_downgrade+0x980/0x980 [ 32.035465] ? __fdget+0x18/0x20 [ 32.038799] __sys_recvmsg+0xe2/0x210 [ 32.042563] ? __sys_recvmsg+0xe2/0x210 [ 32.046504] ? SyS_sendmmsg+0x60/0x60 [ 32.050271] ? __do_page_fault+0xc90/0xc90 [ 32.054473] ? trace_hardirqs_on+0xd/0x10 [ 32.058585] ? lockdep_sys_exit+0x47/0xf0 [ 32.062703] ? perf_trace_sys_enter+0xcb0/0xcb0 [ 32.067340] SyS_recvmsg+0x2d/0x50 [ 32.070845] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 32.075564] RIP: 0033:0x447ae9 [ 32.078719] RSP: 002b:00007f7728fd3d08 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 32.086390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000447ae9 [ 32.093623] RDX: 0000000040010101 RSI: 000000002008dfc8 RDI: 0000000000000004 [ 32.100856] RBP: 0000000000000000 R08: 00007f7728fd4700 R09: 00007f7728fd4700 [ 32.108090] R10: 00007f7728fd4700 R11: 0000000000000246 R12: 0000000000000000 [ 32.115326] R13: 00000000007efd4f R14: 00007f7728fd49c0 R15: 0000000000000000 [ 32.122569] 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 [ 32.141632] RIP: crypto_chacha20_crypt+0x537/0xbd0 RSP: ffff8801c525f5b0 [ 32.148468] Dumping ftrace buffer: [ 32.152005] (ftrace buffer empty) [ 32.155684] Kernel Offset: disabled [ 32.159280] Rebooting in 86400 seconds..