IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: 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: 0 PID: 7266 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: ffff8800b79ec440 ti: ffff880129b60000 task.ti: ffff880129b60000 RIP: 0010:[] [] scr_memmovew include/linux/vt_buffer.h:54 [inline] RIP: 0010:[] [] insert_char+0x28a/0x420 drivers/tty/vt/vt.c:550 RSP: 0018:ffff880129b67768 EFLAGS: 00010203 RAX: 0000000020000001 RBX: 000000010000000e RCX: dffffc0000000000 RDX: 00000000000000d2 RSI: 0000000000000001 RDI: ffff8800af4ae6f4 RBP: ffff880129b677b8 R08: 00000000ffffff3c R09: dffffc0000000000 R10: 0000000000000011 R11: 0000000000000001 R12: 00000000ffffff3a R13: 000000010000000c R14: ffff8800af4ae380 R15: 00000000ffffff3a FS: 00007f998e1a0700(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000758090 CR3: 00000000af651000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8800b79ecc40 ffff8800b79ecc48 ffff8800b79ecd10 1ffff1002536cef2 ffff880000000000 000000000000006b ffff8800af4ae380 0000000000000000 ffffed0015e95ce7 1ffff1002536cf00 ffff880129b67928 ffffffff82fdbdae Call Trace: [] csi_at drivers/tty/vt/vt.c:1616 [inline] [] do_con_trol+0x504e/0x5a40 drivers/tty/vt/vt.c:2063 [] 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: 84 dd fe ff ff 48 b9 00 00 00 00 00 fc ff df 48 01 d2 48 89 d8 48 29 d0 4c 8d 40 fe 49 83 ed 02 48 83 eb 02 4c 89 e8 48 c1 e8 03 <0f> b6 14 08 4c 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 RIP [] scr_memmovew include/linux/vt_buffer.h:54 [inline] RIP [] insert_char+0x28a/0x420 drivers/tty/vt/vt.c:550 RSP ---[ end trace 51a5821d957ab742 ]---