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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-21 21:21:26 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-21 21:21:26 +0200 |
| commit | 4b927bc37359dec23f67d3427fc982945f24f404 (patch) | |
| tree | 245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_missing/host_missing/accel_missing/2777.toml | |
| parent | aa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff) | |
| download | emulator-bug-study-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz emulator-bug-study-4b927bc37359dec23f67d3427fc982945f24f404.zip | |
add gitlab issues in toml format
Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2777.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2777.toml | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2777.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2777.toml new file mode 100644 index 00000000..29bd7d30 --- /dev/null +++ b/gitlab/issues/target_missing/host_missing/accel_missing/2777.toml @@ -0,0 +1,67 @@ +id = 2777 +title = "Assert failure in ahci-hd device" +state = "opened" +created_at = "2025-01-15T11:46:40.526Z" +closed_at = "n/a" +labels = ["Fuzzer"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/2777" +host-os = "Debian 12" +host-arch = "x86_64" +qemu-version = "QEMU emulator version 9.2.50 (v9.2.0-1001-g7433709a14)" +guest-os = "n/a" +guest-arch = "n/a" +description = """Assert + +``` +qemu-system-x86_64: ../hw/ide/core.c:934: void ide_dma_cb(void *, int): Assertion `prep_size >= 0 && prep_size <= n * 512' failed. +``` +can be triggered with some qtest commands. This was found by fuzzing.""" +reproduce = """Command: + +``` +cat << EOF | ./qemu-system-x86_64 -display none -machine accel=qtest, -m 512M -machine q35 -nodefaults -drive file=null-co://,if=none,format=raw,id=disk0 -device ide-hd,drive=disk0 -qtest stdio +outl 0xcf8 0x8000fa24 +outl 0xcfc 0xe0000000 +outl 0xcf8 0x8000fa04 +outw 0xcfc 0x06 +write 0x0 0x1 0x27 +write 0x1 0x1 0x80 +write 0x2 0x1 0x25 +write 0xe00003b8 0x1 0x02 +write 0xe0000398 0x1 0x01 +EOF +``` + +Results in + +``` +[I 0.000001] OPENED +[R +0.076075] outl 0xcf8 0x8000fa24 +[S +0.076165] OK +OK +[R +0.076198] outl 0xcfc 0xe0000000 +[S +0.076242] OK +OK +[R +0.076320] outl 0xcf8 0x8000fa04 +[S +0.076344] OK +OK +[R +0.076379] outw 0xcfc 0x06 +[S +0.077676] OK +OK +[R +0.077760] write 0x0 0x1 0x27 +[S +0.079429] OK +OK +[R +0.079552] write 0x1 0x1 0x80 +[S +0.079592] OK +OK +[R +0.079618] write 0x2 0x1 0x25 +[S +0.079645] OK +OK +[R +0.079669] write 0xe00003b8 0x1 0x02 +[S +0.079709] OK +OK +[R +0.079733] write 0xe0000398 0x1 0x01 +qemu-system-x86_64: ../hw/ide/core.c:934: void ide_dma_cb(void *, int): Assertion `prep_size >= 0 && prep_size <= n * 512' failed. +Aborted +```""" +additional = """Maybe we can just `goto eot;` instead of assert?""" |