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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.75.109; envelope-from=alxndr@bu.edu; helo=NAM02-BL2-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/11 23:16:50 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HK_RANDOM_ENVFROM=0.001, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , Alexander Bulekov , darren.kenny@oracle.com, bsd@redhat.com, stefanha@redhat.com, Paolo Bonzini Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bushare.onmicrosoft.com) Content-Type: text/plain; charset="utf-8" This allows us to keep pc-bios in executable_dir/pc-bios, rather than executable_dir/../pc-bios, which is incompatible with oss-fuzz' file structure. Signed-off-by: Alexander Bulekov Reviewed-by: Darren Kenny --- include/sysemu/sysemu.h | 2 ++ softmmu/vl.c | 2 +- tests/qtest/fuzz/fuzz.c | 15 +++++++++++++++ 3 files changed, 18 insertions(+), 1 deletion(-) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index ef81302e1a..cc96b66fc9 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -15,6 +15,8 @@ extern const char *qemu_name; extern QemuUUID qemu_uuid; extern bool qemu_uuid_set; =20 +void qemu_add_data_dir(const char *path); + void qemu_add_exit_notifier(Notifier *notify); void qemu_remove_exit_notifier(Notifier *notify); =20 diff --git a/softmmu/vl.c b/softmmu/vl.c index afd2615fb3..c71485a965 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -1993,7 +1993,7 @@ char *qemu_find_file(int type, const char *name) return NULL; } =20 -static void qemu_add_data_dir(const char *path) +void qemu_add_data_dir(const char *path) { int i; =20 diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c index f5c923852e..33365c3782 100644 --- a/tests/qtest/fuzz/fuzz.c +++ b/tests/qtest/fuzz/fuzz.c @@ -137,6 +137,7 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char = ***envp) { =20 char *target_name; + char *dir; =20 /* Initialize qgraph and modules */ qos_graph_init(); @@ -147,6 +148,20 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char= ***envp) target_name =3D strstr(**argv, "-target-"); if (target_name) { /* The binary name specifies the target */ target_name +=3D strlen("-target-"); + /* + * With oss-fuzz, the executable is kept in the root of a director= y (we + * cannot assume the path). All data (including bios binaries) mus= t be + * in the same dir, or a subdir. Thus, we cannot place the pc-bios= so + * that it would be in exec_dir/../pc-bios. + * As a workaround, oss-fuzz allows us to use argv[0] to get the + * location of the executable. Using this we add exec_dir/pc-bios = to + * the datadirs. + */ + dir =3D g_build_filename(g_path_get_dirname(**argv), "pc-bios", NU= LL); + if (g_file_test(dir, G_FILE_TEST_IS_DIR)) { + qemu_add_data_dir(dir); + } + g_free(dir); } else if (*argc > 1) { /* The target is specified as an argument */ target_name =3D (*argv)[1]; if (!strstr(target_name, "--fuzz-target=3D")) { --=20 2.26.2