https://bugs.kde.org/show_bug.cgi?id=369356
Bug ID: 369356
Summary: pre_mem_read_sockaddr syscall wrapper can crash with
bad sockaddr
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: m...@redhat.com
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
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