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87176d0ce9
Thie patch fixes the segfault:
error : nodeStateInitialize:658 : DBus not available,
disabling HAL driver: internal error: Unable to get DBus
system bus connection: Failed to connect to socket
/var/run/dbus/system_bus_socket: No such file or directory
error : nodeStateInitialize:719 : ?:
Caught Segmentation violation dumping internal log buffer:
This segfault occurs at the below VIR_ERROR:
failure:
if (dbus_error_is_set(&err)) {
VIR_ERROR(_("%s: %s"), err.name, err.message);
When virDBusGetSystemBus fails, the code jumps to the above failure
path. However, the err variable is not correctly initialized
before calling virDBusGetSystemBus. As a result, dbus_error_is_set
may pass over the uninitialized err variable whose name or
message may point to somewhere unknown memory region, which
causes a segfault on VIR_ERROR.
The new code initializes the err variable before calling
virDBusGetSystemBus.
Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com>
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|---|---|---|
| .. | ||
| node_device_driver.c | ||
| node_device_driver.h | ||
| node_device_hal.c | ||
| node_device_hal.h | ||
| node_device_linux_sysfs.c | ||
| node_device_udev.c | ||
| node_device_udev.h | ||