BUG: unable to handle page fault for address: 000000010000000e #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD a8aae067 P4D a8aae067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29290 Comm: syz-executor.3 Not tainted 5.7.0-rc4-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_X drivers/tty/vt/vt.c:1598 [inline] RIP: 0010:do_con_trol drivers/tty/vt/vt.c:2451 [inline] RIP: 0010:do_con_write+0x9364/0xf2d0 drivers/tty/vt/vt.c:2818 Code: 00 00 00 00 00 fc ff df 8a 04 08 84 c0 0f 85 f0 4b 00 00 48 8b 84 24 a0 00 00 00 0f b7 00 44 89 f1 81 e1 ff ff ff 7f 48 89 df 66 ab 48 c7 c3 dc bb 6b 89 48 c7 c7 dc bb 6b 89 be 04 00 00 00 RSP: 0018:ffffc90001b4f8e0 EFLAGS: 00010202 RAX: 0000000000000720 RBX: 000000010000000e RCX: 0000000000000001 RDX: ffffc900100e8000 RSI: 0000000000002324 RDI: 000000010000000e RBP: ffffc90001b4fbd0 R08: ffffffff83fc5823 R09: ffffffff83fc3506 R10: ffff88805e90a580 R11: 000000000000001c R12: 0000000000000008 R13: 1ffff1100a88aa7b R14: 0000000000000001 R15: 00000000ffffffff FS: 00007f159f2a1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000010000000e CR3: 000000005f74e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: con_write+0x20/0x40 drivers/tty/vt/vt.c:3154 process_output_block drivers/tty/n_tty.c:595 [inline] n_tty_write+0xcbf/0x1170 drivers/tty/n_tty.c:2333 do_tty_write drivers/tty/tty_io.c:962 [inline] tty_write+0x593/0x940 drivers/tty/tty_io.c:1046 __vfs_write+0xa7/0x710 fs/read_write.c:495 vfs_write+0x274/0x580 fs/read_write.c:559 ksys_write+0x11b/0x220 fs/read_write.c:612 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c829 Code: 0d b7 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f159f2a0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000050c660 RCX: 000000000045c829 RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000cea R14: 00000000004cf16f R15: 00007f159f2a16d4 Modules linked in: CR2: 000000010000000e ---[ end trace 7151a0a1eafc44b3 ]--- 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_X drivers/tty/vt/vt.c:1598 [inline] RIP: 0010:do_con_trol drivers/tty/vt/vt.c:2451 [inline] RIP: 0010:do_con_write+0x9364/0xf2d0 drivers/tty/vt/vt.c:2818 Code: 00 00 00 00 00 fc ff df 8a 04 08 84 c0 0f 85 f0 4b 00 00 48 8b 84 24 a0 00 00 00 0f b7 00 44 89 f1 81 e1 ff ff ff 7f 48 89 df 66 ab 48 c7 c3 dc bb 6b 89 48 c7 c7 dc bb 6b 89 be 04 00 00 00 RSP: 0018:ffffc90001b4f8e0 EFLAGS: 00010202 RAX: 0000000000000720 RBX: 000000010000000e RCX: 0000000000000001 RDX: ffffc900100e8000 RSI: 0000000000002324 RDI: 000000010000000e RBP: ffffc90001b4fbd0 R08: ffffffff83fc5823 R09: ffffffff83fc3506 R10: ffff88805e90a580 R11: 000000000000001c R12: 0000000000000008 R13: 1ffff1100a88aa7b R14: 0000000000000001 R15: 00000000ffffffff FS: 00007f159f2a1700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb9f803b138 CR3: 000000005f74e000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400