On 06/24/14 13:54, Peter Krempa wrote: > Don't free individual JSON array members as the array will be freed at > the end. This may potentially lead to a crash although it didn't crash > on my setup. > --- > src/network/bridge_driver.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) >
It crashed now in valgrind: ==2487543== Process terminating with default action of signal 11 (SIGSEGV): dumping core ==2487543== Access not within mapped region at address 0x0 ==2487543== at 0x52ADAF7: virFree (viralloc.c:582) ==2487543== by 0x52E76D3: virJSONValueFree (virjson.c:76) ==2487543== by 0x52E773F: virJSONValueFree (virjson.c:83) ==2487543== by 0x1317A8F8: networkGetDHCPLeasesHelper (bridge_driver.c:3533) ==2487543== by 0x1317ABFE: networkGetDHCPLeasesForMAC (bridge_driver.c:3586) ==2487543== by 0x541D2E1: virNetworkGetDHCPLeasesForMAC (libvirt.c:21154) ==2487543== by 0x159082: remoteDispatchNetworkGetDHCPLeasesForMAC (remote.c:6347) ==2487543== by 0x13D0B7: remoteDispatchNetworkGetDHCPLeasesForMACHelper (remote_dispatch.h:10355) ==2487543== by 0x547B0D1: virNetServerProgramDispatchCall (virnetserverprogram.c:437) ==2487543== by 0x547AC2E: virNetServerProgramDispatch (virnetserverprogram.c:307) ==2487543== by 0x170443: virNetServerProcessMsg (virnetserver.c:172) ==2487543== by 0x170529: virNetServerHandleJob (virnetserver.c:193) I was apparently lucky before and the pointers mapped to memory that was still mapped. Peter
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