helgrind.supp

#
# The following suppressions are suited for debug build
# of librpma on Ubuntu 22.04 used in the CircleCI.
# They may not work for any other OS, OS version,
# rdma-core version and for the release build.
#

#
# All suppressions should follow the following format:
#
# Assessment: (XXX - to mark assessment that is not done yet)
#
# This suppression indicates a lack of MT safety.
#
# OS: a version of OS
# OFED: a version of OFED if used
# libibverbs: a version of libibverbs
# librdmacm: a version of librdmacm
# rdma-core: a version of the 'rdma-core' package if installed
#
# Occurs in traces of:
# - a function name of public API of librpma
#
# There are 3 types of suppressions:
#
# 1) general one (on an external API)
# {
#    Possible data race during write of size 4
#    Helgrind:Race
#    ...
#    fun:ibv_dontfork_range
#    ...
# }
#
# 2) explicit librpma API call
# {
#    Possible data race during write of size 4
#    Helgrind:Race
#    ...
#    fun:rpma_conn_cfg_set_timeout
#    ...
# }
#
# 3) detailed external one (on an external API)
# {
#    Possible data race during write of size 4
#    Helgrind:Race
#    ...
#    fun:funA
#    fun:funB
#    fun:funC
#    fun:function_call_used directly form_public_API
#    ...
# }
#

#
# Assessment: this suppression indicates a lack of MT safety.
#
# syslog(3) has the "MT-Safe env locale" attributes(7)
# and therefore it can be considered as not MT-safe by valgrind.
# This issue can cause that logs of syslog(3) can be corrupted,
# but it does not affect the MT-safety of the librpma library.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# It can occur in traces of all functions of librpma API.
#
{
   syslog(): race while reading the name of time zone
   Helgrind:Race
   ...
   fun:__vsyslog_internal
   fun:*syslog*
   fun:rpma_log_default_function
   ...
}

#
# Assessment: these 2 suppressions indicate a lack of MT safety.
#
# rpma_log_default_function() calls rpma_get_timestamp_prefix()
# which calls localtime_r(3).
# localtime_r(3) has the "MT-Safe env locale" attributes(7)
# and therefore it is considered as not MT-safe by valgrind.
# This issue can cause that logs of rpma_log_default_function() can be corrupted,
# but it does not affect the MT-safety of the librpma library.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# They can occur in traces of all functions of librpma API.
#
{
   Race while reading the name of time zone ("GMT").
   Helgrind:Race
   ...
   fun:__tz_convert
   fun:rpma_get_timestamp_prefix
   fun:rpma_log_default_function
   ...
}
{
   Race while reading the name of time zone ("GMT") - non-existing code path (unknown Valgrind issue on CircleCI)
   Helgrind:Race
   ...
   fun:__tz_convert
   fun:rpma_log_default_function
   ...
}

#
# Assessment: this suppression does not indicate a lack of MT safety.
#
# For details please see drd.supp.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_utils_get_ibv_context
#
{
   Possible data race during write of size 4
   Helgrind:Race
   ...
   fun:ucma_init
   ...
   fun:rdma_getaddrinfo
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_utils_get_ibv_context
# - rpma_ep_listen
{
   Possible data race during read of size 8
   Helgrind:Race
#  fun:idm_set or fun:UnknownInlinedFun
   ...
   fun:ucma_insert_id
   fun:rdma_create_id2.part.0
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_utils_get_ibv_context
# - rpma_ep_shutdown
# - rpma_conn_req_delete
{
   Possible data race during read of size 8
   Helgrind:Race
   fun:idm_clear
   fun:ucma_remove_id
   fun:ucma_free_id
   fun:rdma_destroy_id
   ...
}
{
   Possible data race during read of size 8
   Helgrind:Race
   fun:UnknownInlinedFun
   fun:UnknownInlinedFun
   fun:ucma_free_id
   fun:rdma_destroy_id
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# Occurs in traces of:
# - rpma_conn_req_delete
#
{
   rpma_conn_req_delete
   Helgrind:Race
   obj:*librdmacm.so*
   fun:rdma_destroy_id
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_utils_get_ibv_context
#
{
   Possible data race during read of size 8
   Helgrind:Race
#  fun:open_cdev or none
   ...
   fun:rdma_create_event_channel
   fun:ucma_alloc_id
   fun:rdma_create_id2.part.0
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_utils_get_ibv_context
#
{
   Possible data race during read of size 4
   Helgrind:Race
#  fun:ucma_get_device or none
   ...
   fun:rdma_bind_addr
   fun:rpma_info_bind_addr
   fun:rpma_utils_get_ibv_context
   ...
}


#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_mr_reg
# - rpma_conn_req_new
#
{
   Possible data race during read of size 4
   Helgrind:Race
   fun:ibv_dontfork_range
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: ubuntu-2204:2022.04.1 of CircleCI
# libibverbs: 1.14.39.0
# librdmacm: 1.3.39.0
#
# Occurs in traces of:
# - rpma_mr_dereg
# - rpma_conn_req_delete
#
{
   Possible data race during read of size 4
   Helgrind:Race
   fun:ibv_dofork_range
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS: Ubuntu 22.04
# OFED: MLNX_OFED 5.6-2.0.9.0
# libibverbs: 1.14.40.0
# librdmacm: 1.3.40.0
#
# Occurs in traces of:
# - rpma_utils_get_ibv_context
# - rpma_conn_req_new
# - rpma_ep_listen
#
{
   Possible data race during write of size 8
   Helgrind:Race
   fun:UnknownInlinedFun
   fun:UnknownInlinedFun
   fun:rdma_create_id2.part.0
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# Occurs in traces of:
# - rpma_conn_req_new
# - rpma_cq_wait
#
{
   Possible data race during write of size 8
   Helgrind:Race
   ...
   fun:ibv_req_notify_cq
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# Occurs in traces of:
# - rpma_conn_req_new
#
{
   Possible data race
   Helgrind:Race
   obj:*librdmacm.so*
   fun:rpma_conn_req_new
   ...
}

#
# Assessment: this suppression indicates a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# Occurs in traces of:
# - rpma_ep_listen
#
{
   Possible data race
   Helgrind:Race
   obj:*librdmacm.so*
   fun:rpma_ep_listen
   ...
}

#
# Assessment: these 6 suppressions indicate a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# They occur in traces of:
# - rpma_utils_get_ibv_context
#
{
   Possible data race
   Helgrind:Race
   obj:*librdmacm.so*
   fun:rpma_utils_get_ibv_context
   ...
}
{
   Possible data race
   Helgrind:Race
   fun:rdma_create_event_channel
   obj:*librdmacm.so*
   fun:rpma_utils_get_ibv_context
   ...
}
{
   Possible data race
   Helgrind:Race
   obj:*librdmacm.so*
   fun:rdma_create_event_channel
   obj:*librdmacm.so*
   fun:rpma_utils_get_ibv_context
   ...
}
{
   Possible data race
   Helgrind:Race
   fun:strlen
   fun:__vfprintf_internal
   fun:__vasprintf_internal
   fun:__asprintf_chk
   fun:rdma_create_event_channel
   obj:*librdmacm.so*
   fun:rpma_utils_get_ibv_context
   ...
}
{
   Possible data race
   Helgrind:Race
   ...
   obj:*librdmacm.so*
   fun:rdma_getaddrinfo
   fun:rpma_info_new
   fun:rpma_utils_get_ibv_context
   ...
}
{
   Possible data race
   Helgrind:Race
   obj:*librdmacm.so*
   fun:rdma_create_id
   fun:rpma_utils_get_ibv_context
   ...
}

#
# Assessment: this suppression indicate a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# They occur in traces of:
# - rpma_srq_delete
#
{
   Possible data race
   Helgrind:Race
   ...
   fun:rpma_srq_delete
   ...
}

#
# Assessment: this suppression indicate a lack of MT safety.
#
# OS - Ubuntu 22.04
# OFED - MLNX_OFED 5.6-2.0.9.0
# libibverbs - 1.14.40.0
# librdmacm - 1.3.40.0
#
# They occur in traces of:
# - rpma_srq_new
#
{
   Possible data race
   Helgrind:Race
   ...
   fun:ibv_create_srq*
   fun:rpma_peer_create_srq
   fun:rpma_srq_new
   ...
}