Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 79.714922][ T27] audit: type=1400 audit(1595695162.069:8): avc: denied { execmem } for pid=6980 comm="syz-executor196" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 80.173765][ C0] general protection fault, probably for non-canonical address 0xfffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 80.173780][ C0] CPU: 0 PID: 6989 Comm: syz-executor196 Not tainted 5.8.0-rc6-syzkaller #0 [ 80.173787][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.173807][ C0] RIP: 0010:pvclock_gtod_notify+0x11d/0x4d0 [ 80.173819][ C0] Code: 84 c0 74 08 3c 03 0f 8e 32 03 00 00 8b 43 18 48 8d 7b 1c 48 89 fa 48 c1 ea 03 89 05 55 d5 d9 0a 48 b8 00 00 00 00 00 fc ff 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.173826][ C0] RSP: 0000:ffffc90000007be8 EFLAGS: 00010803 [ 80.173836][ C0] RAX: 00fffc0000000000 RBX: ffffffff8c91a9c0 RCX: 0000000000000001 [ 80.173844][ C0] RDX: 1ffffffff192353b RSI: 0000000000000008 RDI: ffffffff8c91a9dc [ 80.173851][ C0] RBP: ffffffff89b202a0 R08: 0000000000000000 R09: ffffffff8c59aa5f [ 80.173858][ C0] R10: fffffbfff18b354b R11: 0000000000000000 R12: 0000000000000000 [ 80.173865][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 [ 80.173876][ C0] FS: 000000000251f880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 80.173884][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.173891][ C0] CR2: 00005562f1e1acd8 CR3: 000000008f60d000 CR4: 00000000001406f0 [ 80.173903][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.173910][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.173914][ C0] Call Trace: [ 80.173919][ C0] [ 80.173935][ C0] notifier_call_chain+0xb5/0x200 [ 80.173952][ C0] timekeeping_update+0x28a/0x4a0 [ 80.173966][ C0] timekeeping_advance+0x663/0x9a0 [ 80.173978][ C0] ? tick_do_update_jiffies64.part.0+0x183/0x290 [ 80.173993][ C0] ? timekeeping_inject_offset+0x4d0/0x4d0 [ 80.174004][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 80.174016][ C0] ? trace_hardirqs_off+0x27/0x210 [ 80.174037][ C0] tick_do_update_jiffies64.part.0+0x183/0x290 [ 80.174050][ C0] tick_sched_timer+0x22c/0x290 [ 80.174063][ C0] __hrtimer_run_queues+0x1d5/0xfc0 [ 80.174075][ C0] ? can_stop_idle_tick+0x290/0x290 [ 80.174091][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 80.174104][ C0] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 80.174119][ C0] hrtimer_interrupt+0x32a/0x930 [ 80.174141][ C0] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 80.174157][ C0] asm_call_on_stack+0xf/0x20 [ 80.174162][ C0] [ 80.174173][ C0] sysvec_apic_timer_interrupt+0xe0/0x120 [ 80.174187][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 80.174201][ C0] RIP: 0010:bitfill_aligned+0x1b5/0x200 [ 80.174212][ C0] Code: 85 b1 fd 83 fd ff 75 e0 4f 8d 6c fd 00 e8 c3 88 b1 fd 31 ff 4c 89 f6 e8 59 85 b1 fd 4d 85 f6 0f 84 fa fe ff ff e8 ab 88 b1 fd <49> 8b 45 00 48 31 c3 49 21 de 49 31 c6 4d 89 75 00 e9 df fe ff ff [ 80.174219][ C0] RSP: 0000:ffffc9000187f7c0 EFLAGS: 00000293 [ 80.174228][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff83c233d7 [ 80.174235][ C0] RDX: ffff8880a14a2040 RSI: ffffffff83c233e5 RDI: 0000000000000007 [ 80.174243][ C0] RBP: 00000000ffffffff R08: 0000000000000a20 R09: 0000000000000040 [ 80.174250][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880010e52a8 [ 80.174257][ C0] R13: ffff8880010e52a8 R14: 00000000ffffffff R15: 0000000000000007 [ 80.174272][ C0] ? bitfill_aligned+0x1a7/0x200 [ 80.174284][ C0] ? bitfill_aligned+0x1b5/0x200 [ 80.174300][ C0] cfb_fillrect+0x40b/0x7b0 [ 80.174313][ C0] ? cfb_fillrect+0x7b0/0x7b0 [ 80.174328][ C0] vga16fb_fillrect+0x683/0x193b [ 80.174343][ C0] bit_clear_margins+0x2d5/0x4a0 [ 80.174356][ C0] ? bit_bmove+0x210/0x210 [ 80.174368][ C0] ? mark_lock+0xbc/0x1710 [ 80.174379][ C0] ? mark_lock+0xbc/0x1710 [ 80.174395][ C0] fbcon_clear_margins+0x1d5/0x230 [ 80.174408][ C0] fbcon_do_set_font+0x7e2/0x950 [ 80.174422][ C0] fbcon_set_font+0x767/0x8b0 [ 80.174437][ C0] ? fbcon_set_def_font+0x350/0x350 [ 80.174448][ C0] con_font_op+0xd25/0x1110 [ 80.174461][ C0] ? con_write+0xb0/0xb0 [ 80.174473][ C0] ? lockdep_hardirqs_off+0x66/0xa0 [ 80.174486][ C0] ? cap_capable+0x1eb/0x250 [ 80.174499][ C0] ? security_capable+0x8f/0xc0 [ 80.174513][ C0] vt_ioctl+0x1180/0x2670 [ 80.174525][ C0] ? trace_print_print+0x9b/0x110 [ 80.174536][ C0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 80.174547][ C0] ? vt_waitactive+0x350/0x350 [ 80.174561][ C0] ? tomoyo_path_number_perm+0x244/0x4d0 [ 80.174575][ C0] ? tomoyo_execute_permission+0x470/0x470 [ 80.174592][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 80.174605][ C0] ? tty_jobctrl_ioctl+0x4d/0x1010 [ 80.174615][ C0] ? vt_waitactive+0x350/0x350 [ 80.174629][ C0] tty_ioctl+0x1019/0x15f0 [ 80.174642][ C0] ? tty_fasync+0x390/0x390 [ 80.174656][ C0] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 80.174668][ C0] ? do_vfs_ioctl+0x27d/0x1090 [ 80.174680][ C0] ? generic_block_fiemap+0x60/0x60 [ 80.174695][ C0] ? selinux_inode_getsecctx+0x90/0x90 [ 80.174707][ C0] ? build_open_flags+0x650/0x650 [ 80.174726][ C0] ? tty_fasync+0x390/0x390 [ 80.174737][ C0] ksys_ioctl+0x11a/0x180 [ 80.174749][ C0] __x64_sys_ioctl+0x6f/0xb0 [ 80.174760][ C0] ? lockdep_hardirqs_on+0x6a/0xe0 [ 80.174772][ C0] do_syscall_64+0x60/0xe0 [ 80.174785][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 80.174793][ C0] RIP: 0033:0x4419d9 [ 80.174797][ C0] Code: Bad RIP value. [ 80.174803][ C0] RSP: 002b:00007fff936a8de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.174815][ C0] RAX: ffffffffffffffda RBX: 00007fff936a8f90 RCX: 00000000004419d9 [ 80.174822][ C0] RDX: 0000000020000580 RSI: 0000000000004b61 RDI: 0000000000000004 [ 80.174829][ C0] RBP: 0000000000000000 R08: 000000000000000e R09: 0000000000000000 [ 80.174836][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.174843][ C0] R13: 0000000000402630 R14: 0000000000000000 R15: 0000000000000000 [ 80.174852][ C0] Modules linked in: [ 80.174868][ C0] ---[ end trace 02b758f73a07e909 ]--- [ 80.174882][ C0] RIP: 0010:pvclock_gtod_notify+0x11d/0x4d0 [ 80.174892][ C0] Code: 84 c0 74 08 3c 03 0f 8e 32 03 00 00 8b 43 18 48 8d 7b 1c 48 89 fa 48 c1 ea 03 89 05 55 d5 d9 0a 48 b8 00 00 00 00 00 fc ff 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 80.174899][ C0] RSP: 0000:ffffc90000007be8 EFLAGS: 00010803 [ 80.174908][ C0] RAX: 00fffc0000000000 RBX: ffffffff8c91a9c0 RCX: 0000000000000001 [ 80.174916][ C0] RDX: 1ffffffff192353b RSI: 0000000000000008 RDI: ffffffff8c91a9dc [ 80.174923][ C0] RBP: ffffffff89b202a0 R08: 0000000000000000 R09: ffffffff8c59aa5f [ 80.174930][ C0] R10: fffffbfff18b354b R11: 0000000000000000 R12: 0000000000000000 [ 80.174937][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff89ad40a0 [ 80.174947][ C0] FS: 000000000251f880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 80.174955][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.174962][ C0] CR2: 00005562f1e1acd8 CR3: 000000008f60d000 CR4: 00000000001406f0 [ 80.174973][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.174980][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.174986][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 81.267880][ C0] Shutting down cpus with NMI [ 81.269038][ C0] Kernel Offset: disabled