IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth1_vlan entered promiscuous mode kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8407 Comm: syz-executor.4 Not tainted 4.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800adb1e740 ti: ffff8800ac938000 task.ti: ffff8800ac938000 RIP: 0010:[] [] scr_memsetw include/linux/vt_buffer.h:31 [inline] RIP: 0010:[] [] csi_J+0x264/0x580 drivers/tty/vt/vt.c:1187 RSP: 0018:ffff8800ac93f778 EFLAGS: 00010203 RAX: 0000000020000001 RBX: 0000000100000010 RCX: 0000000000000000 RDX: 7fffffff80000001 RSI: 000000010000000e RDI: 000000010000000e RBP: ffff8800ac93f7b8 R08: ffff8800ac80fae0 R09: dffffc0000000000 R10: 0000000000000011 R11: 0000000000000001 R12: ffff8800ac80f600 R13: 0000000000000720 R14: dffffc0000000000 R15: 0000000100000010 FS: 00007f28cf493700(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001a01580 CR3: 00000000ae31b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8800adb1f010 1ffff10015927ef2 ffff880000000000 00000000203e4001 ffff8800ac80f600 ffff8800ad8bedc0 ffffed0015901f37 1ffff10015927f00 ffff8800ac93f928 ffffffff83007dc6 ffff8800adb1e740 0000000000000086 Call Trace: [] do_con_trol+0x4526/0x5a40 drivers/tty/vt/vt.c:1999 [] do_con_write.part.22+0x487/0x1950 drivers/tty/vt/vt.c:2421 [] do_con_write drivers/tty/vt/vt.c:2779 [inline] [] con_write+0x76/0x90 drivers/tty/vt/vt.c:2775 [] process_output_block drivers/tty/n_tty.c:581 [inline] [] n_tty_write+0x4f0/0x10b0 drivers/tty/n_tty.c:2313 [] do_tty_write drivers/tty/tty_io.c:1175 [inline] [] tty_write+0x44d/0x7f0 drivers/tty/tty_io.c:1260 [] __vfs_write+0xdb/0x4f0 fs/read_write.c:529 [] vfs_write+0x13a/0x4a0 fs/read_write.c:578 [] SYSC_write fs/read_write.c:625 [inline] [] SyS_write+0xcb/0x1a0 fs/read_write.c:617 [] entry_SYSCALL_64_fastpath+0x23/0xc1 Code: 03 00 00 89 d8 48 89 f7 49 be 00 00 00 00 00 fc ff df d1 e8 8d 48 ff 85 c0 4c 8d 7c 4e 02 74 32 48 8d 5f 02 48 89 f8 48 c1 e8 03 <42> 0f b6 0c 30 48 89 f8 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f RIP [] scr_memsetw include/linux/vt_buffer.h:31 [inline] RIP [] csi_J+0x264/0x580 drivers/tty/vt/vt.c:1187 RSP ---[ end trace 79ce8957c5b0f1c8 ]---