Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

Fix SIGSEGV with query-stats-schema. This allows management tools to query the statistics schemas without worrying that some versions of QEMU will crash. # -----BEGIN PGP SIGNATURE----- # # iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmL/U90UHHBib256aW5p # QHJlZGhhdC5jb20ACgkQv/vSX3jHroN93gf/Q9pye7bA436FsMujHgaspp7asI0z # MHgs1anNSEoRrogIqw595Blyt7ILGvEe333rpDqg23W52/NVn+R0qdiTeg/lG/Zm # zDLCT8T9CrJZEJvmRora6JPapjrsXRiXsDCkhi8ClqoEPm1X/rDCRMtxpOKJzk5E # dZTLZcy6FVtcNroqx2BzAJiDcXlby6H92LTXmBRFK6jesst9nj4wvZLiDhsLBEte # PdVXbxCV85OKRng55c9wyFuthkAi7UtRCYrgjPSDqCe/UnnscVPYEDQElMfmf8Ts # DL7vQ0MZy8F9hVd851Mu57uKeYVenAETNEs/P9qfwo1ANPizqcB+ACYoBA== # =LX7e # -----END PGP SIGNATURE----- # gpg: Signature made Fri 19 Aug 2022 02:11:57 AM PDT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "[email protected]" # gpg: Good signature from "Paolo Bonzini <[email protected]>" [undefined] # gpg: aka "Paolo Bonzini <[email protected]>" [undefined] # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * tag 'for-upstream' of https://gitlab.com/bonzini/qemu: kvm: fix segfault with query-stats-schemas and -M none Signed-off-by: Richard Henderson <[email protected]>
sangfor · Aug 19, 2022 · a78241a · a78241a
2 parents 976a55c + a9197ad
commit a78241a
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
@@ -4131,7 +4131,9 @@ void query_stats_schemas_cb(StatsSchemaList **result, Error **errp)
     query_stats_schema(result, STATS_TARGET_VM, stats_fd, errp);
     close(stats_fd);
 
-    stats_args.result.schema = result;
-    stats_args.errp = errp;
-    run_on_cpu(first_cpu, query_stats_schema_vcpu, RUN_ON_CPU_HOST_PTR(&stats_args));
+    if (first_cpu) {
+        stats_args.result.schema = result;
+        stats_args.errp = errp;
+        run_on_cpu(first_cpu, query_stats_schema_vcpu, RUN_ON_CPU_HOST_PTR(&stats_args));
+    }
 }