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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_missing/2274.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.tar.gz emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2274.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2274.toml | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2274.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2274.toml deleted file mode 100644 index 99a056dd..00000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/2274.toml +++ /dev/null @@ -1,53 +0,0 @@ -id = 2274 -title = "Assertion failuer in cryptodev_builtin_close_session()" -state = "closed" -created_at = "2024-04-08T12:29:53.139Z" -closed_at = "2024-04-10T15:08:32.000Z" -labels = ["Fuzzer", "device:virtio", "workflow::Patch available"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2274" -host-os = "Ubuntu 22.04.4 LTS" -host-arch = "x86_64" -qemu-version = "commit ce64e6224a" -guest-os = "Debian GNU/Linux 10 (buster)" -guest-arch = "x86_64" -description = """In the function _cryptodev_builtin_close_session(),_ an assertation happened: - -``` -qemu-fuzz-x86_64: qemu/backends/cryptodev-builtin.c:430: int cryptodev_builtin_close_session(CryptoDevBackend *, uint64_t, uint32_t, CryptoDevCompletionFunc, void *): Assertion `session_id < MAX_NUM_SESSIONS && builtin->sessions[session_id]' failed. -==1256139== ERROR: libFuzzer: deadly signal - #9 0x71acb8c2871a in __assert_fail_base assert/./assert/assert.c:92:3 - #10 0x71acb8c39e95 in __assert_fail assert/./assert/assert.c:101:3 - #11 0x5af7f624b12b in cryptodev_builtin_close_session qemu/backends/cryptodev-builtin.c:430:5 - #12 0x5af7f60b2860 in virtio_crypto_handle_close_session qemu/hw/virtio/virtio-crypto.c:262:12 - #13 0x5af7f60b2860 in virtio_crypto_handle_ctrl qemu/hw/virtio/virtio-crypto.c:423:19 -``` - -The user could send an invalid session_id to trigger this assertion.""" -reproduce = """Here's a simple PoC: - -``` -cat << EOF | qemu-system-x86_64 -display none\\ - -machine accel=qtest -m 512M -machine q35 -nodefaults -object \\ -cryptodev-backend-builtin,id=cryptodev0 -device \\ -virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0 -qtest stdio -outl 0xcf8 0x80000804 -outw 0xcfc 0x06 -outl 0xcf8 0x80000820 -outl 0xcfc 0xe0008000 -write 0x10800e 0x1 0x01 -write 0xe0008016 0x1 0x01 -write 0xe0008020 0x4 0x00801000 -write 0xe0008028 0x4 0x00c01000 -write 0xe000801c 0x1 0x01 -write 0x110000 0x1 0x05 -write 0x110001 0x1 0x04 -write 0x108002 0x1 0x11 -write 0x108008 0x1 0x48 -write 0x10800c 0x1 0x01 -write 0x108018 0x1 0x10 -write 0x10801c 0x1 0x02 -write 0x10c002 0x1 0x01 -write 0xe000b005 0x1 0x00 -EOF -```""" -additional = "n/a" |