batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: 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: 0 PID: 7714 Comm: syz-executor265 Not tainted 4.14.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808c6c4480 task.stack: ffff8880832e8000
RIP: 0010:do_con_write.part.0+0x78e/0x1a20 drivers/tty/vt/vt.c:2411
RSP: 0018:ffff8880832ef9c8 EFLAGS: 00010202
RAX: 000000001fffffe9 RBX: 00000000ffffff48 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88808a33aefd
RBP: 0000000000000778 R08: 0000000000000001 R09: 0000000000000000
R10: ffff88808c6c4dc8 R11: ffff88808c6c4480 R12: dffffc0000000000
R13: ffff88808a33af0c R14: ffff88808a33ab80 R15: ffff8880aa555b81
FS:  0000000001389880(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d5090 CR3: 00000000a9759000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_con_write drivers/tty/vt/vt.c:2218 [inline]
 con_write+0x33/0xc0 drivers/tty/vt/vt.c:2798
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x375/0xe30 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:959 [inline]
 tty_write+0x3f0/0x700 drivers/tty/tty_io.c:1043
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x192/0x4e0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4440d9
RSP: 002b:00007ffe63545d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004440d9
RDX: 0000000000000320 RSI: 00000000200001c0 RDI: 0000000000000003
RBP: 00007ffe63545d60 R08: 000000000000000e R09: 0000000101bbbbbb
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000404f80 R14: 0000000000000000 R15: 0000000000000000
Code: 24 b2 00 00 00 66 03 6c 24 38 e8 de fc 1a fe 48 8b 44 24 78 80 38 00 0f 85 d2 10 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 
RIP: do_con_write.part.0+0x78e/0x1a20 drivers/tty/vt/vt.c:2411 RSP: ffff8880832ef9c8
---[ end trace c5a42bbdf3118b67 ]---