1 files changed, 69 insertions, 0 deletions

diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2327.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2327.toml
new file mode 100644
index 00000000..7f1c5580
--- /dev/null
+++ b/gitlab/issues/target_missing/host_missing/accel_missing/2327.toml
@@ -0,0 +1,69 @@
+id = 2327
+title = "negative shift exponent in cirrus_colorexpand_pattern_transp_0_24()"
+state = "opened"
+created_at = "2024-05-06T06:20:05.860Z"
+closed_at = "n/a"
+labels = ["Fuzzer", "device:graphics"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2327"
+host-os = "Ubuntu 22.04"
+host-arch = "x86-64"
+qemu-version = "commit 248f6f62df073a3b4"
+guest-os = "n/a"
+guest-arch = "arm"
+description = """My fuzzer detected a runtime error in cirrus_colorexpand_pattern_transp_0_24()
+
+The stack trace is:
+
+```
+../hw/display/cirrus_vga_rop2.h:216:23: runtime error: shift exponent -2 is negative
+    #0 0x5589a028c89a in cirrus_colorexpand_pattern_transp_0_24 hw/display/cirrus_vga_rop2.h:216:23
+    #1 0x5589a031e239 in cirrus_bitblt_common_patterncopy hw/display/cirrus_vga.c:689:5
+    #2 0x5589a032735d in cirrus_bitblt_cputovideo_next hw/display/cirrus_vga.c:820:13
+    #3 0x5589a032cde9 in cirrus_linear_write hw/display/cirrus_vga.c:2365:13
+    #4 0x5589a2982823 in memory_region_write_accessor system/memory.c:497:5
+    #5 0x5589a2981f05 in access_with_adjusted_size system/memory.c:573:18
+    #6 0x5589a297fe69 in memory_region_dispatch_write system/memory.c:1521:16
+    #7 0x5589a2a2193e in flatview_write_continue_step system/physmem.c:2749:18
+    #8 0x5589a2a211d4 in flatview_write_continue system/physmem.c:2779:19
+    #9 0x5589a29f9cfb in flatview_write system/physmem.c:2810:12
+    #10 0x5589a29f97c8 in address_space_write system/physmem.c:2930:18
+...
+```"""
+reproduce = """Arguments:\\
+export QEMU_ARGS="-display none -machine accel=qtest, -m 512M -machine\\
+q35 -nodefaults -device cirrus-vga -display vnc=localhost:99 -L ../pc-bios/"\\
+The base addresses of memory regions:
+
+* cirrus-io, 0x3b0
+* cirrus-low-memory, 0xa0000
+* cirrus-linear-io, 0xe0000000
+* cirrus-bitblt-mmio, 0xe1000000
+* cirrus-mmio, 0xe2000000
+
+Reproducer:
+
+```
+writeb 0xe2000108 0x642a8d58
+writeb 0xe2000117 0x335af91c
+writeb 0xe2000118 0x765861ed
+writeb 0xe200010d 0x7c3af934
+writeb 0xe2000140 0x33f13baf
+clock_step
+writeb 0xe01f0e68 0x6ea3696c
+writeb 0xe13bc720 0x11bb09ba
+readb 0xe2000133
+writeb 0xe033629b 0x80f19dd
+writeb 0xe134bba7 0x1eb198f9
+readb 0xe2000680
+writeb 0xe2000b84 0x3f0591fc
+clock_step
+writeb 0xe003469e 0xdbd627e
+writeb 0xe114f2bc 0x41adfe48
+readb 0xe2000cde
+readb 0xb269d
+writeb 0xe1368066 0x3c9ab77
+readb 0xe12a7fe1
+writeb 0xe0191988 0x7e18b0d1
+EOF
+```"""
+additional = """Ack: Chuhong Yuan (hslester96@gmail.com)"""