[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. [ 23.561635][ C1] random: crng init done [ 23.561654][ C1] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts. 2020/08/05 09:33:54 fuzzer started 2020/08/05 09:33:54 connecting to host at 10.128.0.105:33627 2020/08/05 09:33:54 checking machine... 2020/08/05 09:33:54 checking revisions... 2020/08/05 09:33:54 testing simple program... syzkaller login: [ 33.388427][ T8711] IPVS: ftp: loaded support on port[0] = 21 2020/08/05 09:33:55 building call list... [ 33.658531][ T32] tipc: TX() has been purged, node left! [ 33.679399][ T0] ------------[ cut here ]------------ [ 33.684867][ T0] WARNING: CPU: 0 PID: 0 at kernel/time/tick-sched.c:1024 tick_nohz_idle_enter+0x157/0x170 [ 33.694879][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 33.701458][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-syzkaller #0 [ 33.708986][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.719028][ T0] Call Trace: [ 33.722307][ T0] dump_stack+0x16e/0x25d [ 33.726626][ T0] panic+0x20c/0x69a [ 33.730522][ T0] ? tick_nohz_idle_enter+0x157/0x170 [ 33.735947][ T0] __warn+0x211/0x240 [ 33.739931][ T0] ? tick_nohz_idle_enter+0x157/0x170 [ 33.745289][ T0] report_bug+0x153/0x1d0 [ 33.749769][ T0] handle_bug+0x4d/0x90 [ 33.753946][ T0] exc_invalid_op+0x16/0x70 [ 33.758447][ T0] asm_exc_invalid_op+0x12/0x20 [ 33.763298][ T0] RIP: 0010:tick_nohz_idle_enter+0x157/0x170 [ 33.769267][ T0] Code: c7 06 00 74 33 e8 19 f3 07 00 fb 66 0f 1f 44 00 00 5b 41 5c 41 5e 41 5f c3 e8 05 f3 07 00 0f 0b e9 71 ff ff ff e8 f9 f2 07 00 <0f> 0b e9 f1 fe ff ff e8 ed f2 07 00 0f 0b e8 e6 f2 07 00 0f 0b 0f [ 33.788854][ T0] RSP: 0018:ffffffff88003e68 EFLAGS: 00010293 [ 33.794907][ T0] RAX: ffffffff81442777 RBX: 0000000000000000 RCX: ffffffff8807e9c0 [ 33.802889][ T0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.810854][ T0] RBP: ffffffff8807e9c0 R08: ffffffff8144265b R09: 0000ffff88619eb7 [ 33.818818][ T0] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 33.826780][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.834761][ T0] ? tick_nohz_idle_enter+0x3b/0x170 [ 33.840037][ T0] ? tick_nohz_idle_enter+0x157/0x170 [ 33.845409][ T0] ? tick_nohz_idle_enter+0x157/0x170 [ 33.850790][ T0] do_idle+0x36/0x330 [ 33.854769][ T0] cpu_startup_entry+0x15/0x20 [ 33.859523][ T0] rest_init+0x2e5/0x2f0 [ 33.863761][ T0] ? time_init+0xc/0xc [ 33.867865][ T0] arch_call_rest_init+0xa/0xb [ 33.872621][ T0] start_kernel+0x617/0x6e4 [ 33.877140][ T0] secondary_startup_64+0xa4/0xb0 [ 33.883600][ T0] Kernel Offset: disabled [ 33.888026][ T0] Rebooting in 86400 seconds..