Merge tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

 * Update security triage contact address
 * Check and honour failures to the blocking flag on FDs
 * Don't touch blocking flags on FDs received during migration

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# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [unknown]
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* tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu:
  util/vhost-user-server: vu_message_read(): improve error handling
  chardev: close an fd on failure path
  chardev: qemu_chr_open_fd(): add errp
  treewide: use qemu_set_blocking instead of g_unix_set_fd_nonblocking
  util: drop qemu_socket_set_block()
  io/channel-socket: rework qio_channel_socket_copy_fds()
  util: drop qemu_socket_try_set_nonblock()
  util: drop qemu_socket_set_nonblock()
  migration: qemu_file_set_blocking(): add errp parameter
  treewide: handle result of qio_channel_set_blocking()
  util: add qemu_set_blocking() function
  char-socket: tcp_chr_recv(): add comment
  char-socket: tcp_chr_recv(): drop extra _set_(block,cloexec)
  io/channel: document how qio_channel_readv_full() handles fds
  migration/qemu-file: don't make incoming fds blocking again
  MAINTAINERS: list qemu-security@nongnu.org as security contact

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/migration/migration.c b/migration/migration.c
index 10c216d25d..e1ac4d73c2 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -951,7 +951,7 @@ static void migration_incoming_setup(QEMUFile *f)
 
     assert(!mis->from_src_file);
     mis->from_src_file = f;
-    qemu_file_set_blocking(f, false);
+    qemu_file_set_blocking(f, false, &error_abort);
 }
 
 void migration_incoming_process(void)
@@ -971,7 +971,7 @@ static bool postcopy_try_recover(void)
         /* This should be set already in migration_incoming_setup() */
         assert(mis->from_src_file);
         /* Postcopy has standalone thread to do vm load */
-        qemu_file_set_blocking(mis->from_src_file, true);
+        qemu_file_set_blocking(mis->from_src_file, true, &error_abort);
 
         /* Re-configure the return path */
         mis->to_src_file = qemu_file_get_return_path(mis->from_src_file);
@@ -4002,7 +4002,9 @@ void migration_connect(MigrationState *s, Error *error_in)
     }
 
     migration_rate_set(rate_limit);
-    qemu_file_set_blocking(s->to_dst_file, true);
+    if (!qemu_file_set_blocking(s->to_dst_file, true, &local_err)) {
+        goto fail;
+    }
 
     /*
      * Open the return path. For postcopy, it is used exclusively. For