[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 63.090672][ T6835] ------------[ cut here ]------------ [ 63.096197][ T6835] WARNING: CPU: 0 PID: 6835 at kernel/entry/common.c:338 irqentry_exit+0x47/0x90 [ 63.105314][ T6835] Kernel panic - not syncing: panic_on_warn set ... [ 63.111920][ T6835] CPU: 0 PID: 6835 Comm: syz-executor987 Not tainted 5.9.0-rc1-syzkaller #0 [ 63.120595][ T6835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.130749][ T6835] Call Trace: [ 63.134051][ T6835] dump_stack+0x18f/0x20d executing program executing program executing program executing program executing program executing program [ 63.138384][ T6835] panic+0x2e3/0x75c [ 63.142283][ T6835] ? __warn_printk+0xf3/0xf3 [ 63.146872][ T6835] ? printk+0xba/0xed [ 63.150865][ T6835] ? log_store.cold+0x16/0x16 [ 63.155548][ T6835] ? no_context+0x120/0x9f0 [ 63.160058][ T6835] ? __warn.cold+0x5/0x4a [ 63.164502][ T6835] ? __warn+0xd6/0x1f2 [ 63.168573][ T6835] ? irqentry_exit+0x47/0x90 [ 63.173164][ T6835] __warn.cold+0x20/0x4a [ 63.177408][ T6835] ? irqentry_exit+0x47/0x90 [ 63.182001][ T6835] report_bug+0x1bd/0x210 [ 63.186327][ T6835] handle_bug+0x38/0x90 executing program executing program executing program executing program executing program [ 63.190488][ T6835] exc_invalid_op+0x14/0x40 [ 63.195011][ T6835] asm_exc_invalid_op+0x12/0x20 [ 63.199862][ T6835] RIP: 0010:irqentry_exit+0x47/0x90 [ 63.205060][ T6835] Code: 27 f6 87 91 00 00 00 02 74 18 40 84 f6 75 3b 65 8b 05 4d 74 0e 78 a9 ff ff ff 7f 74 11 e9 01 7c 86 f9 40 84 f6 75 3f c3 eb 89 <0f> 0b eb ca e8 40 6a 6e f9 65 48 8b 04 25 c0 fe 01 00 48 8b 00 a8 [ 63.224867][ T6835] RSP: 0000:ffffc900057c72d0 EFLAGS: 00010002 [ 63.230934][ T6835] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff817a0007 executing program executing program executing program executing program executing program [ 63.238906][ T6835] RDX: ffff8880a3fa4400 RSI: 0000000000000000 RDI: ffffc900057c7308 [ 63.246880][ T6835] RBP: ffffc900057c7308 R08: 0000000000000000 R09: 0000000000000000 [ 63.254863][ T6835] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 63.262873][ T6835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.271202][ T6835] ? trace_hardirqs_off+0x27/0x210 [ 63.276317][ T6835] exc_page_fault+0xc2/0x160 [ 63.280916][ T6835] asm_exc_page_fault+0x1e/0x30 executing program executing program executing program executing program executing program executing program [ 63.285769][ T6835] RIP: 0010:__softirqentry_text_end+0x39/0x55 [ 63.291845][ T6835] Code: de 04 e0 ff ba f2 ff ff ff 31 c9 e9 db 35 d3 ff 41 bf f2 ff ff ff 31 c0 e9 1a 34 e1 f8 41 bf f2 ff ff ff 31 ed e9 35 34 e1 f8 <41> be f2 ff ff ff 48 31 c0 e9 42 37 e1 f8 41 be f2 ff ff ff 48 31 [ 63.311713][ T6835] RSP: 0000:ffffc900057c73b0 EFLAGS: 00010046 [ 63.317822][ T6835] RAX: 0000000000000000 RBX: ffffc900057c7470 RCX: ffffffff81014192 [ 63.325833][ T6835] RDX: ffff8880a3fa4400 RSI: ffffffff810141a0 RDI: 0000000000000006 [ 63.333898][ T6835] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8880a3fa4407 executing program executing program executing program executing program [ 63.341950][ T6835] R10: 0000000000000000 R11: 0000000000000001 R12: ffffc900057c747c [ 63.349980][ T6835] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880a3fa4400 [ 63.357972][ T6835] ? perf_callchain_user+0x7f2/0xba0 [ 63.363288][ T6835] ? perf_callchain_user+0x800/0xba0 [ 63.368580][ T6835] get_perf_callchain+0x321/0x620 [ 63.373609][ T6835] ? put_callchain_entry+0x90/0x90 [ 63.378720][ T6835] ? get_perf_callchain+0x3e0/0x620 [ 63.383922][ T6835] ? kvm_sched_clock_read+0x14/0x40 executing program executing program executing program executing program executing program [ 63.389120][ T6835] ? sched_clock+0x2a/0x40 [ 63.393568][ T6835] ? sched_clock_cpu+0x18/0x1b0 [ 63.398431][ T6835] perf_callchain+0x165/0x1c0 [ 63.403153][ T6835] perf_prepare_sample+0x8fd/0x1d40 [ 63.408357][ T6835] ? perf_callchain+0x1c0/0x1c0 [ 63.413212][ T6835] ? lock_downgrade+0x830/0x830 [ 63.418164][ T6835] perf_event_output_forward+0xf3/0x270 [ 63.423717][ T6835] ? perf_prepare_sample+0x1d40/0x1d40 [ 63.429670][ T6835] ? perf_swevent_event+0x144/0x550 [ 63.434977][ T6835] ? tracing_generic_entry_update+0x1ed/0x270 executing program executing program executing program executing program executing program executing program [ 63.441060][ T6835] __perf_event_overflow+0x13c/0x370 [ 63.446363][ T6835] perf_swevent_event+0x4b9/0x550 [ 63.451390][ T6835] perf_tp_event+0x2e4/0xb50 [ 63.455980][ T6835] ? perf_event_mmap_output+0xa30/0xa30 [ 63.461614][ T6835] ? perf_tp_event+0x622/0xb50 [ 63.466380][ T6835] ? perf_event_mmap_output+0xa30/0xa30 [ 63.471944][ T6835] ? mark_lock+0xbc/0x1710 [ 63.476376][ T6835] ? __lock_acquire+0x16cb/0x5640 [ 63.481458][ T6835] ? perf_trace_run_bpf_submit+0x11c/0x200 executing program executing program executing program executing program executing program [ 63.487268][ T6835] perf_trace_run_bpf_submit+0x11c/0x200 [ 63.492906][ T6835] perf_trace_lock_acquire+0x33f/0x520 [ 63.498371][ T6835] ? SOFTIRQ_verbose+0x10/0x10 [ 63.503135][ T6835] ? __lock_acquire+0xbb5/0x5640 [ 63.508076][ T6835] lock_acquire+0x382/0xad0 [ 63.512591][ T6835] ? clear_subpage+0x100/0x100 [ 63.517391][ T6835] ? lock_release+0x8e0/0x8e0 [ 63.522073][ T6835] ? lock_acquire+0x1f1/0xad0 [ 63.526766][ T6835] count_memcg_event_mm.part.0+0x39/0x3c0 [ 63.532480][ T6835] ? clear_subpage+0x100/0x100 [ 63.537240][ T6835] handle_mm_fault+0x11d/0x4590 executing program executing program executing program executing program executing program [ 63.542132][ T6835] ? apply_to_existing_page_range+0x40/0x40 [ 63.548022][ T6835] ? down_read_trylock+0x193/0x350 [ 63.553131][ T6835] ? do_user_addr_fault+0x25e/0xbf0 [ 63.558326][ T6835] ? vmacache_find+0x62/0x310 [ 63.563004][ T6835] do_user_addr_fault+0x598/0xbf0 [ 63.568036][ T6835] ? rcu_read_lock_sched_held+0x3a/0xb0 [ 63.573605][ T6835] exc_page_fault+0xa8/0x160 [ 63.578195][ T6835] ? asm_exc_page_fault+0x8/0x30 [ 63.583128][ T6835] asm_exc_page_fault+0x1e/0x30 [ 63.587975][ T6835] RIP: 0033:0x49f550 executing program executing program executing program executing program executing program [ 63.592080][ T6835] Code: Bad RIP value. [ 63.596148][ T6835] RSP: 002b:00007ffe8ddaf1c8 EFLAGS: 00010206 [ 63.602209][ T6835] RAX: 000000000049f550 RBX: 0000000000000001 RCX: 00000000006d1190 [ 63.610185][ T6835] RDX: 0000000000402170 RSI: 0000000000000000 RDI: 00000000004bf8c8 [ 63.618272][ T6835] RBP: 00007ffe8ddaf1d0 R08: 0000000000000000 R09: 00000000004002c8 [ 63.626251][ T6835] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 63.634256][ T6835] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 63.643351][ T6835] Kernel Offset: disabled [ 63.647680][ T6835] Rebooting in 86400 seconds..