Comment 1 for bug 1890312

There's one more slightly further in the same function - line 1231 https://github.com/hdeller/qemu-hppa/blob/1e5391948f977932d17526c491d262a3cd99a690/hw/display/artist.c#L1231

cat << EOF | ./hppa-softmmu/qemu-system-hppa -m 64 -display none \
-qtest stdio -accel qtest
writeq 0xf8118005 0x1e7c50ff016d65ff
readl 0xf9080100
EOF

[I 1596601465.827371] OPENED
[R +0.043473] writeq 0xf8118005 0x1e7c50ff016d65ff
18615@1596601465.870899:artist_reg_write 1 0x118005 DST_BM_ACCESS <- 0x1e
18615@1596601465.870911:artist_reg_write 2 0x118006 DST_BM_ACCESS <- 0x7c50
18615@1596601465.870918:artist_reg_write 4 0x118008 SRC_BM_ACCESS <- 0xff016d65
18615@1596601465.870924:artist_reg_write 1 0x11800c CONTROL_PLANE <- 0xff
OK
[S +0.043557] OK
[R +0.043574] readl 0xf9080100
AddressSanitizer:DEADLYSIGNAL
=================================================================
==18615==ERROR: AddressSanitizer: SEGV on unknown address 0x7f12d2a01040 (pc 0x560323116048 bp 0x7fffa8723bf0 sp 0x7fffa8723990 T0)
==18615==The signal is caused by a READ memory access.
    #0 0x560323116048 in artist_vram_read /home/alxndr/Development/qemu/general-fuzz/hw/display/artist.c:1231:23
    #1 0x560322868582 in memory_region_read_accessor /home/alxndr/Development/qemu/general-fuzz/softmmu/memory.c:434:11
...