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 [email protected]:artist_reg_write 1 0x118005 DST_BM_ACCESS <- 0x1e [email protected]:artist_reg_write 2 0x118006 DST_BM_ACCESS <- 0x7c50 [email protected]:artist_reg_write 4 0x118008 SRC_BM_ACCESS <- 0xff016d65 [email protected]: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 ... -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1890312 Title: Segfault in artist_vram_read Status in QEMU: New Bug description: Hello, Reproducer: cat << EOF | ./hppa-softmmu/qemu-system-hppa -m 64 -display none \ -qtest stdio -accel qtest writew 0xf8118001 0x105a readq 0xf900f8ff EOF ================================================================= ==20118==ERROR: AddressSanitizer: SEGV on unknown address 0x7fc6fb847672 (pc 0x55ec9c0f6828 bp 0x7ffd91000230 sp 0x7ffd90ffffd0 T0) ==20118==The signal is caused by a READ memory access. #0 0x55ec9c0f6828 in artist_vram_read /hw/display/artist.c:1174:15 #1 0x55ec9b84a582 in memory_region_read_accessor /softmmu/memory.c:434:11 #2 0x55ec9b7d1adc in access_with_adjusted_size /softmmu/memory.c:539:18 #3 0x55ec9b7cd769 in memory_region_dispatch_read1 /softmmu/memory.c:1385:16 #4 0x55ec9b7cc855 in memory_region_dispatch_read /softmmu/memory.c:1414:9 #5 0x55ec9ae621de in flatview_read_continue /exec.c:3239:23 #6 0x55ec9ae64fb1 in flatview_read /exec.c:3279:12 #7 0x55ec9ae64af7 in address_space_read_full /exec.c:3292:18 #8 0x55ec9b87c990 in address_space_read /include/exec/memory.h:2429:18 #9 0x55ec9b87c990 in qtest_process_command /softmmu/qtest.c:485:13 #10 0x55ec9b870c08 in qtest_process_inbuf /softmmu/qtest.c:710:9 #11 0x55ec9b86f895 in qtest_read /softmmu/qtest.c:722:5 #12 0x55ec9dd2b2f3 in qemu_chr_be_write_impl /chardev/char.c:188:9 #13 0x55ec9dd2b477 in qemu_chr_be_write /chardev/char.c:200:9 #14 0x55ec9dd3f763 in fd_chr_read /chardev/char-fd.c:68:9 #15 0x55ec9de93b24 in qio_channel_fd_source_dispatch /io/channel-watch.c:84:12 #16 0x7fc7261ad897 in g_main_context_dispatch () #17 0x55ec9e28ba2b in glib_pollfds_poll /util/main-loop.c:217:9 #18 0x55ec9e28915b in os_host_main_loop_wait /util/main-loop.c:240:5 #19 0x55ec9e288af4 in main_loop_wait /util/main-loop.c:516:11 #20 0x55ec9b891d00 in qemu_main_loop /softmmu/vl.c:1676:9 #21 0x55ec9decb911 in main /softmmu/main.c:49:5 The error occurs even with Message-Id: <[email protected]> applied (I collected the above trace with the patch-set applied) Thanks -Alex To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1890312/+subscriptions
