audit: type=1400 audit(1579858684.284:36): avc:  denied  { map } for  pid=7441 comm="syz-executor202" path="/root/syz-executor202051328" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
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: 7454 Comm: syz-executor202 Not tainted 4.14.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88807db6c540 task.stack: ffff888098028000
RIP: 0010:do_con_write.part.0+0x7d6/0x1b50 drivers/tty/vt/vt.c:2398
RSP: 0018:ffff88809802f8a8 EFLAGS: 00010203
RAX: 0000000020000001 RBX: 000000010000000e RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88809ea0cdbd
RBP: ffff88809802f9f8 R08: ffff88807db6c540 R09: 0000000000000000
R10: 0000000000000000 R11: ffff88807db6c540 R12: dffffc0000000000
R13: 0000000000000764 R14: ffff88809ea0cdcc R15: ffff88809ea0ca40
FS:  00000000026c6880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f68cd1000 CR3: 0000000094a79000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_con_write drivers/tty/vt/vt.c:2205 [inline]
 con_write+0x38/0xc0 drivers/tty/vt/vt.c:2787
 process_output_block drivers/tty/n_tty.c:595 [inline]
 n_tty_write+0x38b/0xf20 drivers/tty/n_tty.c:2333
 do_tty_write drivers/tty/tty_io.c:959 [inline]
 tty_write+0x3f6/0x700 drivers/tty/tty_io.c:1043
 do_loop_readv_writev fs/read_write.c:698 [inline]
 do_loop_readv_writev fs/read_write.c:682 [inline]
 do_iter_write fs/read_write.c:956 [inline]
 do_iter_write+0x3d3/0x540 fs/read_write.c:935
 vfs_writev+0x170/0x2a0 fs/read_write.c:999
 do_writev+0x10a/0x2d0 fs/read_write.c:1034
 SYSC_writev fs/read_write.c:1107 [inline]
 SyS_writev+0x28/0x30 fs/read_write.c:1104
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441509
RSP: 002b:00007ffdaeb9a408 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441509
RDX: 0000000000000001 RSI: 0000000020001440 RDI: 0000000000000003
RBP: 00000000006cc018 R08: 000000000000000e R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402280
R13: 0000000000402310 R14: 0000000000000000 R15: 0000000000000000
Code: 66 44 03 ad 30 ff ff ff e8 38 3c 0b fe 48 8b 85 f0 fe ff ff 80 38 00 0f 85 97 11 00 00 49 8b 9f 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+0x7d6/0x1b50 drivers/tty/vt/vt.c:2398 RSP: ffff88809802f8a8
---[ end trace 350f95940abc04d7 ]---