BUG: unable to handle page fault for address: 000000010000000e #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 949c9067 P4D 949c9067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8761 Comm: syz-executor.5 Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:memset16 arch/x86/include/asm/string_64.h:25 [inline] RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline] RIP: 0010:csi_J+0x503/0xa30 drivers/tty/vt/vt.c:1540 Code: 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 62 03 00 00 44 89 e1 0f b7 83 c8 03 00 00 4c 89 ef 81 e1 ff ff ff 7f 66 ab 48 89 df e8 32 ca ff ff 84 c0 74 18 8b 05 d8 8a be 07 85 RSP: 0018:ffffc90002f37868 EFLAGS: 00010202 RAX: 0000000000000720 RBX: ffff888099eb1000 RCX: 0000000000000001 RDX: 1ffff110133d6279 RSI: 0000000000000000 RDI: 000000010000000e RBP: ffffc90002f378a8 R08: 0000000000000006 R09: ffff888099eb1000 R10: fffffbfff13b3480 R11: 000000000000004a R12: 0000000080000001 R13: 000000010000000e R14: 0000000000000000 R15: ffff888099eb1510 FS: 00007f83ce77e700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000010000000e CR3: 000000009d790000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_con_trol+0x4156/0x63d0 drivers/tty/vt/vt.c:2378 do_con_write.part.25+0xab6/0x1ad0 drivers/tty/vt/vt.c:2808 do_con_write drivers/tty/vt/vt.c:2576 [inline] con_write+0x1f/0x80 drivers/tty/vt/vt.c:3144 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0x494/0xfa0 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:962 [inline] tty_write+0x371/0x7d0 drivers/tty/tty_io.c:1046 __vfs_write+0x5e/0x110 fs/read_write.c:494 vfs_write+0x18a/0x520 fs/read_write.c:558 ksys_write+0x105/0x220 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:620 do_syscall_64+0xca/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45aff9 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f83ce77dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f83ce77e6d4 RCX: 000000000045aff9 RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000c60 R14: 00000000004cd0b9 R15: 000000000075bf2c Modules linked in: CR2: 000000010000000e ---[ end trace bc41bece896314f2 ]--- RIP: 0010:memset16 arch/x86/include/asm/string_64.h:25 [inline] RIP: 0010:scr_memsetw include/linux/vt_buffer.h:36 [inline] RIP: 0010:csi_J+0x503/0xa30 drivers/tty/vt/vt.c:1540 Code: 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 62 03 00 00 44 89 e1 0f b7 83 c8 03 00 00 4c 89 ef 81 e1 ff ff ff 7f 66 ab 48 89 df e8 32 ca ff ff 84 c0 74 18 8b 05 d8 8a be 07 85 RSP: 0018:ffffc90002f37868 EFLAGS: 00010202 RAX: 0000000000000720 RBX: ffff888099eb1000 RCX: 0000000000000001 RDX: 1ffff110133d6279 RSI: 0000000000000000 RDI: 000000010000000e RBP: ffffc90002f378a8 R08: 0000000000000006 R09: ffff888099eb1000 R10: fffffbfff13b3480 R11: 000000000000004a R12: 0000000080000001 R13: 000000010000000e R14: 0000000000000000 R15: ffff888099eb1510 FS: 00007f83ce77e700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000010000000e CR3: 000000009d790000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400