IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 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: 1 PID: 8217 Comm: syz-executor.1 Not tainted 4.7.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8800b05d4540 ti: ffff8800aadb0000 task.ti: ffff8800aadb0000 RIP: 0010:[] [] scr_memsetw include/linux/vt_buffer.h:31 [inline] RIP: 0010:[] [] csi_K drivers/tty/vt/vt.c:1226 [inline] RIP: 0010:[] [] do_con_trol+0x42c6/0x5a40 drivers/tty/vt/vt.c:2014 RSP: 0018:ffff8800aadb77b8 EFLAGS: 00010203 RAX: 0000000020000001 RBX: 0000000000000001 RCX: 0000000100000010 RDX: 1ffff10024b61e17 RSI: dffffc0000000000 RDI: 000000010000000e RBP: ffff8800aadb7918 R08: 0000000000000720 R09: dffffc0000000000 R10: 0000000000000011 R11: 0000000000000001 R12: ffff880125b0ed00 R13: 0000000000000000 R14: 000000010000000e R15: 1ffff100155b6efe FS: 00007fb4b6969700(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000758090 CR3: 0000000127796000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff81484637 ffff8800aadb7970 ffffffff8143e043 00007fb4b6968c78 ffff8800b05d4540 00007fb4b6968c78 ffff8800b05d4540 0000000041b58ab3 ffffffff86b9d468 ffffffff83037da0 ffff8800aadb78c0 0000000000000082 Call Trace: [] do_con_write.part.22+0x487/0x1950 drivers/tty/vt/vt.c:2433 [] do_con_write drivers/tty/vt/vt.c:2791 [inline] [] con_write+0x76/0x90 drivers/tty/vt/vt.c:2787 [] process_output_block drivers/tty/n_tty.c:581 [inline] [] n_tty_write+0x4f0/0x10b0 drivers/tty/n_tty.c:2304 [] do_tty_write drivers/tty/tty_io.c:1172 [inline] [] tty_write+0x455/0x800 drivers/tty/tty_io.c:1256 [] __vfs_write+0xdb/0x740 fs/read_write.c:510 [] vfs_write+0x147/0x4a0 fs/read_write.c:560 [] SYSC_write fs/read_write.c:607 [inline] [] SyS_write+0xcb/0x1a0 fs/read_write.c:599 [] entry_SYSCALL_64_fastpath+0x23/0xc1 Code: 84 24 b8 03 00 00 41 d1 ed 4c 89 f7 48 be 00 00 00 00 00 fc ff df 41 83 ed 01 41 83 fd ff 74 2e 48 8d 4f 02 48 89 f8 48 c1 e8 03 <0f> b6 14 30 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 RIP [] scr_memsetw include/linux/vt_buffer.h:31 [inline] RIP [] csi_K drivers/tty/vt/vt.c:1226 [inline] RIP [] do_con_trol+0x42c6/0x5a40 drivers/tty/vt/vt.c:2014 RSP ---[ end trace 973353b726f57d17 ]---