Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. executing program [ 70.795284][ T8376] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 70.795294][ T8376] #PF: supervisor instruction fetch in kernel mode [ 70.795301][ T8376] #PF: error_code(0x0010) - not-present page [ 70.795309][ T8376] PGD 139e9067 P4D 139e9067 PUD 28208067 PMD 0 [ 70.795329][ T8376] Oops: 0010 [#1] PREEMPT SMP KASAN [ 70.795340][ T8376] CPU: 1 PID: 8376 Comm: syz-executor163 Not tainted 5.12.0-rc4-syzkaller #0 [ 70.795354][ T8376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.795361][ T8376] RIP: 0010:0x0 [ 70.795374][ T8376] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 70.795380][ T8376] RSP: 0018:ffffc900014ff760 EFLAGS: 00010296 [ 70.795391][ T8376] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000007 [ 70.795399][ T8376] RDX: 0000000000000002 RSI: ffff888019026000 RDI: ffff888010479000 [ 70.795408][ T8376] RBP: ffff888010479000 R08: 0000000000000000 R09: ffffffff83f6450a [ 70.795417][ T8376] R10: 0000000000000003 R11: 0000000000000018 R12: ffff888019026000 [ 70.795425][ T8376] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000720 [ 70.795434][ T8376] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:0000000008c042c0 [ 70.795447][ T8376] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 70.795457][ T8376] CR2: ffffffffffffffd6 CR3: 0000000024bc5000 CR4: 00000000001506e0 [ 70.795465][ T8376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.795473][ T8376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.795482][ T8376] Call Trace: [ 70.795486][ T8376] fbcon_cursor+0x50e/0x620 [ 70.795509][ T8376] hide_cursor+0x85/0x280 [ 70.795525][ T8376] redraw_screen+0x5b4/0x740 [ 70.795537][ T8376] ? wait_for_completion_io+0x270/0x270 [ 70.795555][ T8376] ? csi_J+0xab0/0xab0 [ 70.795567][ T8376] vc_do_resize+0xed8/0x1150 [ 70.795582][ T8376] ? vc_init+0x5a0/0x5a0 [ 70.795595][ T8376] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 70.795612][ T8376] fbcon_set_disp+0x7a8/0xe10 [ 70.795627][ T8376] set_con2fb_map+0x7a6/0xf80 [ 70.795640][ T8376] ? drm_fb_helper_blank+0x250/0x250 [ 70.795655][ T8376] fbcon_set_con2fb_map_ioctl+0x165/0x220 [ 70.795671][ T8376] ? fbcon_get_requirement+0x7a0/0x7a0 [ 70.795686][ T8376] ? find_held_lock+0x2d/0x110 [ 70.795699][ T8376] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 70.795714][ T8376] do_fb_ioctl+0x5b6/0x690 [ 70.795730][ T8376] ? fb_getput_cmap+0x270/0x270 [ 70.795744][ T8376] ? lock_downgrade+0x6e0/0x6e0 [ 70.795758][ T8376] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.795773][ T8376] ? tomoyo_path_number_perm+0x441/0x590 [ 70.795792][ T8376] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 70.795807][ T8376] ? tomoyo_path_number_perm+0x24e/0x590 [ 70.795823][ T8376] ? kasan_quarantine_put+0xf5/0x210 [ 70.795839][ T8376] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 70.795858][ T8376] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 70.795873][ T8376] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 70.795889][ T8376] ? do_vfs_ioctl+0x27d/0x1090 [ 70.795903][ T8376] ? generic_block_fiemap+0x60/0x60 [ 70.795917][ T8376] fb_compat_ioctl+0x17e/0x610 [ 70.795932][ T8376] ? fb_open+0x430/0x430 [ 70.795946][ T8376] ? __context_tracking_exit+0xb8/0xe0 [ 70.795961][ T8376] ? lock_downgrade+0x6e0/0x6e0 [ 70.795976][ T8376] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 70.795991][ T8376] ? fb_open+0x430/0x430 [ 70.796006][ T8376] __do_compat_sys_ioctl+0x1d3/0x230 [ 70.796026][ T8376] __do_fast_syscall_32+0x56/0x90 [ 70.796042][ T8376] do_fast_syscall_32+0x2f/0x70 [ 70.796058][ T8376] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 70.796075][ T8376] RIP: 0023:0xf7fed549 [ 70.796084][ T8376] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 70.796097][ T8376] RSP: 002b:00000000ffe90fac EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 70.796110][ T8376] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000004610 [ 70.796118][ T8376] RDX: 0000000020000040 RSI: 00000000ffe91000 RDI: 00000000080e3000 [ 70.796127][ T8376] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 70.796135][ T8376] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 70.796142][ T8376] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 70.796153][ T8376] Modules linked in: [ 70.796160][ T8376] CR2: 0000000000000000 [ 70.796169][ T8376] ---[ end trace 07ecba068b871676 ]--- [ 70.796174][ T8376] RIP: 0010:0x0 [ 70.796184][ T8376] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 70.796190][ T8376] RSP: 0018:ffffc900014ff760 EFLAGS: 00010296 [ 70.796200][ T8376] RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000007 [ 70.796208][ T8376] RDX: 0000000000000002 RSI: ffff888019026000 RDI: ffff888010479000 [ 70.796216][ T8376] RBP: ffff888010479000 R08: 0000000000000000 R09: ffffffff83f6450a [ 70.796225][ T8376] R10: 0000000000000003 R11: 0000000000000018 R12: ffff888019026000 [ 70.796233][ T8376] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000720 [ 70.796241][ T8376] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:0000000008c042c0 [ 70.796255][ T8376] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 70.796264][ T8376] CR2: ffffffffffffffd6 CR3: 0000000024bc5000 CR4: 00000000001506e0 [ 70.796273][ T8376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.796281][ T8376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.796290][ T8376] Kernel panic - not syncing: Fatal exception [ 70.796896][ T8376] Kernel Offset: disabled [ 71.337340][ T8376] Rebooting in 86400 seconds..