LTP testcases/kernel/syscalls/bind/bind01 crashes valgrind: ==19407== at 0x4F2C427: bind (syscall-template.S:81) ==19407== by 0x402803: main (bind01.c:120) ==19407== Address 0xffffffffffffffff is not stack'd, malloc'd or (recently) free'd ==19407== --19407-- VALGRIND INTERNAL ERROR: Valgrind received a signal 11 (SIGSEGV) - exiting --19407-- si_code=1; Faulting address: 0xFFFFFFFFFFFFFFFF; sp: 0x802ea9d70 valgrind: the 'impossible' happened: Killed by fatal signal host stacktrace: ==19407== at 0x38094231: pre_mem_read_sockaddr.part.12 (syswrap-generic.c:1131) ==19407== by 0x38092CDF: vgPlain_client_syscall (syswrap-main.c:1906) ==19407== by 0x3808F8B2: handle_syscall (scheduler.c:1118) ==19407== by 0x38090E76: vgPlain_scheduler (scheduler.c:1435) ==19407== by 0x380A027A: thread_wrapper (syswrap-linux.c:103) ==19407== by 0x380A027A: run_a_thread_NORETURN (syswrap-linux.c:156) Reproducible: Always
Created attachment 101286 [details] Fix pre_mem_read_sockaddr crash on invalid syscall arguments Don't do any more checks if it isn't safe to inspect the address family. Likewise, don't check sun_path if the string address isn't safe.
valgrind svn r15990