mariadb/mysql-test/valgrind.supp

#
# Suppress some common (not fatal) errors in system libraries found by valgrind
#

#
# Pthread doesn't free all thread specific memory before program exists
#
{
   pthread allocate_tls memory loss
   Memcheck:Leak
   fun:calloc
   fun:_dl_allocate_tls
   fun:allocate_stack
   fun:pthread_create*
}

{
   pthread allocate_tls memory loss
   Memcheck:Leak
   fun:calloc
   fun:_dl_allocate_tls
   fun:pthread_create*

}

{
   pthread allocate_tls memory loss
   Memcheck:Leak
   fun:calloc
   obj:/lib*/ld*.so
   fun:_dl_allocate_tls
   fun:pthread_create*
}

{
   pthead_exit memory loss 1
   Memcheck:Leak
   fun:malloc
   fun:_dl_new_object
   fun:_dl_map_object_from_fd
}

{
   pthread_exit memory loss 2
   Memcheck:Leak
   fun:malloc
   fun:_dl_map_object
   fun:dl_open_worker
}

{
   pthread_exit memory loss 3
   Memcheck:Leak
   fun:malloc
   fun:_dl_map_object_deps
   fun:dl_open_worker
}

{
   pthread_exit memory loss 4
   Memcheck:Leak
   fun:calloc
   fun:_dl_check_map_versions
   fun:dl_open_worker
}

{
   pthread_exit memory loss 5
   Memcheck:Leak
   fun:calloc
   fun:_dl_new_object
   fun:_dl_map_object_from_fd
}

{
   pthread allocate_dtv memory loss
   Memcheck:Leak
   fun:calloc
   fun:allocate_dtv
   fun:_dl_allocate_tls_storage
   fun:__GI__dl_allocate_tls
   fun:pthread_create
}

{
   pthread allocate_dtv memory loss second
   Memcheck:Leak
   fun:calloc
   fun:allocate_dtv
   fun:_dl_allocate_tls
   fun:pthread_create*
}

{
   pthread memalign memory loss
   Memcheck:Leak
   fun:memalign
   fun:_dl_allocate_tls_storage
   fun:__GI__dl_allocate_tls
   fun:pthread_create
}

{
   pthread pthread_key_create
   Memcheck:Leak
   fun:malloc
   fun:*
   fun:*
   fun:pthread_key_create
   fun:my_thread_global_init
}

{
   pthread strstr uninit
   Memcheck:Cond
   fun:strstr
   obj:/lib/tls/libpthread.so.*
   obj:/lib/tls/libpthread.so.*
   fun:call_init
   fun:_dl_init
   obj:/lib/ld-*.so
}

{
   pthread strstr uninit
   Memcheck:Cond
   fun:strstr
   obj:/lib/tls/libpthread.so.*
   obj:/lib/tls/libpthread.so.*
   fun:call_init
   fun:_dl_init
   obj:/lib/ld-*.so
}

{  
   strlen/_dl_init_paths/dl_main/_dl_sysdep_start(Cond)
   Memcheck:Cond
   fun:strlen
   fun:_dl_init_paths
   fun:dl_main
   fun:_dl_sysdep_start
}

{
   pthread errno
   Memcheck:Leak
   fun:calloc
   fun:_dlerror_run
   fun:dlsym
   fun:__errno_location
}


#
# Warnings in libz becasue it works with aligned memory(?)
#

{
   libz tr_flush_block
   Memcheck:Cond
   fun:_tr_flush_block
   fun:deflate_slow
   fun:deflate
   fun:do_flush
   fun:gzclose
}

{
   libz tr_flush_block2
   Memcheck:Cond
   fun:_tr_flush_block
   fun:deflate_slow
   fun:deflate
   fun:compress2
}

{
   libz longest_match
   Memcheck:Cond
   fun:longest_match
   fun:deflate_slow
   fun:deflate
   fun:do_flush
}

{
   libz longest_match2
   Memcheck:Cond
   fun:longest_match
   fun:deflate_slow
   fun:deflate
   fun:compress2
}

{
   libz longest_match 3
   Memcheck:Cond
   fun:longest_match
   fun:deflate_slow
   fun:deflate
   fun:gzclose
}

{
   libz longest_match 4 
   Memcheck:Cond
   fun:longest_match
   fun:deflate_slow
   fun:deflate
   fun:gzflush
}

{
   libz longest_match3
   Memcheck:Cond
   fun:longest_match
   fun:deflate_slow
   fun:deflate
   fun:azflush
}

{
   libz longest_match3
   Memcheck:Cond
   fun:longest_match
   fun:deflate_slow
   fun:deflate
   fun:azclose
}

{
   libz deflate
   Memcheck:Cond
   obj:*/libz.so.*
   obj:*/libz.so.*
   fun:deflate
   fun:compress2
}

{
   libz deflate2
   Memcheck:Cond
   obj:*/libz.so.*
   obj:*/libz.so.*
   fun:deflate
   obj:*/libz.so.*
   fun:gzflush
}

{
   libz deflate3
   Memcheck:Cond
   obj:*/libz.so.*
   obj:*/libz.so.*
   fun:deflate
   fun:do_flush
}

#
# Warning from my_thread_init becasue mysqld dies before kill thread exists
#

{
   my_thread_init kill thread memory loss second
   Memcheck:Leak
   fun:calloc
   fun:my_thread_init
   fun:kill_server_thread
}


# Red Hat AS 4 32 bit
{
   dl_relocate_object
   Memcheck:Cond
   fun:_dl_relocate_object
}

#
# Leaks reported in _dl_* internal functions on Linux amd64 / glibc2.3.2.
#

{
   _dl_start invalid write8
   Memcheck:Addr8
   fun:_dl_start
}

{
   _dl_start invalid write4
   Memcheck:Addr4
   fun:_dl_start
}

{
   _dl_start/_dl_setup_hash invalid read8
   Memcheck:Addr8
   fun:_dl_setup_hash
   fun:_dl_start
}

{
   _dl_sysdep_start invalid write8
   Memcheck:Addr8
   fun:_dl_sysdep_start
}

{
   _dl_init invalid write8
   Memcheck:Addr8
   fun:_dl_init
}

{
   _dl_init invalid write4
   Memcheck:Addr4
   fun:_dl_init
}

{
   _dl_init/_dl_init invalid read8
   Memcheck:Addr8
   fun:_dl_debug_initialize
   fun:_dl_init
}

{
   _dl_init/_dl_debug_state invalid read8
   Memcheck:Addr8
   fun:_dl_debug_state
   fun:_dl_init
}

{
   init invalid write8
   Memcheck:Addr8
   fun:init
}

{
   fixup invalid write8
   Memcheck:Addr8
   fun:fixup
}

{
   fixup/_dl_lookup_versioned_symbol invalid read8
   Memcheck:Addr8
   fun:_dl_lookup_versioned_symbol
   fun:fixup
}

{
   _dl_runtime_resolve invalid read8
   Memcheck:Addr8
   fun:_dl_runtime_resolve
}

{
   __libc_start_main invalid write8
   Memcheck:Addr8
   fun:__libc_start_main
}

{
   __libc_start_main/__sigjmp_save invalid write4
   Memcheck:Addr4
   fun:__sigjmp_save
   fun:__libc_start_main
}

{
   dlclose memory loss from udf_free
   Memcheck:Leak
   fun:calloc
   fun:_dlerror_run
   fun:dlclose
   fun:_Z8udf_freev
}

{
   dlclose memory loss from plugin variant 1
   Memcheck:Leak
   fun:calloc
   fun:_dlerror_run
   fun:dlclose
   fun:plugin_dl_del(st_mysql_lex_string const*)
}

{
   dlclose memory loss from plugin variant 2
   Memcheck:Leak
   fun:malloc
   fun:_dl_close_worker
   fun:_dl_close
   fun:_dl_catch_error
   fun:_dlerror_run
   fun:dlclose
   fun:_Z15free_plugin_memP12st_plugin_dl
   fun:_Z13plugin_dl_delPK19st_mysql_lex_string
}

{
   dlopen / ptread_cancel_init memory loss on Suse Linux 10.3 32/64 bit
   Memcheck:Leak
   fun:*alloc
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/libc-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/libc-*.so
   fun:__libc_dlopen_mode
   fun:pthread_cancel_init
   fun:_Unwind_ForcedUnwind
}

{
   dlopen / ptread_cancel_init memory loss on Suse Linux 10.3 32/64 bit
   Memcheck:Leak
   fun:*alloc
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/libc-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/libc-*.so
   fun:__libc_dlopen_mode
   fun:pthread_cancel_init
   fun:_Unwind_ForcedUnwind
}

#
# Reading wrong addresses on SuSe Linux 10.3 32 bit
#

{
   Reading wrong data in libc_dlopen
   Memcheck:Addr4
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/libc-*.so
   obj:/lib*/ld-*.so
   obj:/lib*/libc-*.so
   fun:__libc_dlopen_mode
   fun:pthread_cancel_init
}

#
# These seem to be libc threading stuff, not related to MySQL code (allocations
# during pthread_exit()). Googling shows other projects also using these
# suppressions.
#
# Note that these all stem from pthread_exit() deeper in the call stack, but
# Valgrind only allows the top four calls in the suppressions.
#

{
   libc pthread_exit 1
   Memcheck:Leak
   fun:malloc
   fun:_dl_new_object
   fun:_dl_map_object_from_fd
   fun:_dl_map_object
}

{
   libc pthread_exit 2
   Memcheck:Leak
   fun:malloc
   fun:_dl_map_object
   fun:dl_open_worker
   fun:_dl_catch_error
}

{
   libc pthread_exit 3
   Memcheck:Leak
   fun:malloc
   fun:_dl_map_object_deps
   fun:dl_open_worker
   fun:_dl_catch_error
}

{
   libc pthread_exit 4
   Memcheck:Leak
   fun:calloc
   fun:_dl_check_map_versions
   fun:dl_open_worker
   fun:_dl_catch_error
}

{
   libc pthread_exit 5
   Memcheck:Leak
   fun:calloc
   fun:_dl_new_object
   fun:_dl_map_object_from_fd
   fun:_dl_map_object
}

{
   libc pthread_exit 6
   Memcheck:Leak
   fun:malloc
   fun:_dl_map_object
   fun:openaux
   fun:_dl_catch_error 
}

{
   libc pthread_exit 7
   Memcheck:Leak
   fun:malloc
   fun:dl_open_worker
   fun:_dl_catch_error
   fun:_dl_open
}

{
   libc pthread_exit 8
   Memcheck:Leak
   fun:malloc
   fun:local_strdup
   fun:_dl_map_object
   fun:dl_open_worker
}

#
# This is seen internally in the system libraries on 64-bit RHAS3.
#

{
   __lll_mutex_unlock_wake uninitialized
   Memcheck:Param
   futex(utime)
   fun:__lll_mutex_unlock_wake
}

#
# BUG#19940: NDB sends uninitialized parts of field buffers across the wire.
# This is "works as designed"; the uninitialized part is not used at the
# other end (but Valgrind cannot see this).
#
{
   bug19940
   Memcheck:Param
   socketcall.sendto(msg)
   fun:send
   fun:_ZN15TCP_Transporter6doSendEv
   fun:_ZN19TransporterRegistry11performSendEv
   fun:_ZN19TransporterRegistry14forceSendCheckEi
}

#
# Warning when printing stack trace (to suppress some not needed warnings)
#

{
   vprintf on stacktrace
   Memcheck:Cond
   fun:vfprintf
   fun:uffered_vfprintf
   fun:vfprintf
   fun:fprintf
   fun:print_stacktrace
}

#
# Safe warnings, that may happen because of thread scheduling
#

{
   dbug initialization by kill_server
   Memcheck:Leak
   fun:malloc
   fun:DbugMalloc
   fun:code_state
   fun:_db_enter_
   fun:kill_server
}

#
# Warning caused by small memory leak in threaded dlopen
#

{
   dlopen threaded memory leak
   Memcheck:Leak
   fun:calloc
   obj:*/libdl-*.so
   fun:dlopen*
}

#
# In glibc (checked version 2.7), inet_ntoa allocates an 18-byte
# per-thread static buffer for the return value. That memory is freed
# at thread exit, however if called from the main thread, Valgrind
# does not see the free (test main.no-threads).
#
# Since inet_ntoa() does not allocate memory dynamically per-call, this
# suppression is safe.
#

{
   inet_ntoa thread local storage
   Memcheck:Leak
   fun:malloc
   fun:inet_ntoa
}