https://bugs.kde.org/show_bug.cgi?id=383199
Bug ID: 383199
Summary: valgrind crash on unhanded syscall called from
libsqlite3.dylib
Product: valgrind
Version: 3.13.0
Platform: Homebrew (Mac OS X)
OS: OS X
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: iradizat...@gmail.com
Target Milestone: ---
While trying to run my program with valgrind on VMWare fusion VM that runs
10.12 whereas the host machine also runs the same OS, I got errors about
unhanded syscall :
--8450-- WARNING: unhandled amd64-darwin syscall: unix:463
--8450-- You may be able to write your own handler.
--8450-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--8450-- Nevertheless we consider this a bug. Please report
--8450-- it at http://valgrind.org/support/bug_reports.html.
--8450-- WARNING: unhandled amd64-darwin syscall: unix:463
--8450-- You may be able to write your own handler.
--8450-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--8450-- Nevertheless we consider this a bug. Please report
--8450-- it at http://valgrind.org/support/bug_reports.html.
it seems like this error comes from libsqlite, as I'm using it to initialize
some table that reside in global variable object.
--8450-- UNKNOWN mach_msg unhandled MACH_SEND_TRAILER option
--8450-- UNKNOWN mach_msg unhandled MACH_SEND_TRAILER option (repeated 2 times)
--8450-- UNKNOWN mach_msg unhandled MACH_SEND_TRAILER option (repeated 4 times)
--8450-- UNKNOWN mach_msg unhandled MACH_SEND_TRAILER option (repeated 8 times)
==8450== Syscall param mach_msg("rcv_name") contains uninitialised byte(s)
==8450== at 0x102DE634A: mach_msg_trap (in
/usr/lib/system/libsystem_kernel.dylib)
==8450== by 0x102DE5796: mach_msg (in
/usr/lib/system/libsystem_kernel.dylib)
==8450== by 0x102F823F2: _os_trace_prefs_and_mode_refresh_slow (in
/usr/lib/system/libsystem_trace.dylib)
==8450== by 0x102F82500: os_log_create (in
/usr/lib/system/libsystem_trace.dylib)
==8450== by 0x100FC4FF1: openDatabase (in /usr/lib/libsqlite3.dylib)
==8450== by 0x100FC3809: ??? (in /usr/lib/libsqlite3.dylib)
==8450== by 0x1000D02F8: Database::Database(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&)
(Database.cpp:10)
==8450== by 0x1000D05AC: Database::Database(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&)
(Database.cpp:9)
==8450== by 0x1000B8933: Table::Table(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char> > const&) (Table.cpp:10)
==8450== by 0x100093AC5:
ClientGenericEventsTable::ClientGenericEventsTable(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&)
(ClientGenericEventsTable.cpp:7)
==8450== by 0x1000941CC:
ClientGenericEventsTable::ClientGenericEventsTable(std::__1::basic_string<char,
std::__1::char_traits<char>, std::__1::allocator<char> > const&)
(ClientGenericEventsTable.cpp:8)
==8450== by 0x100039EBC: __cxx_global_var_init.10
(ClientGenericEvents.cpp:5)
I've seen a similar issue #376870, but I think my syscall is different.
How can I trace its true name in order to write a wrapper for it (as described
in README_MISSING_SYSCALL_OR_IOCTL)?
thanks
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