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Add Thread Sanitizer suppressions for FreeTick64 and UnixLock

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- Add suppression for FreeTick64 (#2221).
- Add suppression for UnixLock (#2219).
This commit is contained in:
synqa
2026-02-16 18:49:50 +09:00
parent cfe854b339
commit ae448abdad
1 changed files with 18 additions and 2 deletions
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20
tsan_suppressions.txt
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@ -2,11 +2,27 @@
# For the specification, refer to: https://github.com/google/sanitizers/wiki/threadsanitizersuppressions # For the specification, refer to: https://github.com/google/sanitizers/wiki/threadsanitizersuppressions
## Set/Wait
# This provides synchronization equivalent to a lock, but Thread Sanitizer cannot recognize it.
# Thread Sanitizer reports data race on Halt in TK64.
# https://github.com/SoftEtherVPN/SoftEtherVPN/pull/2221
race_top:FreeTick64
# Thread Sanitizer reports data races on Finished and NoDelayFlag in CONNECT_SERIAL_PARAM, # Thread Sanitizer reports data races on Finished and NoDelayFlag in CONNECT_SERIAL_PARAM,
# shared between BindConnectThreadForIPv4, BindConnectThreadForIPv6, and BindConnectEx5. # shared between BindConnectThreadForIPv4, BindConnectThreadForIPv6, and BindConnectEx5.
# These are benign data races: the Set/Wait on FinishEvent provides synchronization
# equivalent to a lock, but TSan cannot recognize it.
# https://github.com/SoftEtherVPN/SoftEtherVPN/pull/2222 # https://github.com/SoftEtherVPN/SoftEtherVPN/pull/2222
race_top:BindConnectThreadForIPv4 race_top:BindConnectThreadForIPv4
race_top:BindConnectThreadForIPv6 race_top:BindConnectThreadForIPv6
race_top:BindConnectEx5 race_top:BindConnectEx5
## Manual PTHREAD_MUTEX_RECURSIVE
# The Lock/Unlock mechanism on Unix is a manual, hand-coded implementation of PTHREAD_MUTEX_RECURSIVE.
# We avoid using the PTHREAD_MUTEX_RECURSIVE directly because it exhibits critical bugs, such as deadlocks
# on certain older systems(Linux, Solaris, or macOS). While Thread Sanitizer will report data races,
# these warnings should be ignored as the logic has been carefully implemented to ensure thread safety.
# https://github.com/SoftEtherVPN/SoftEtherVPN/pull/2219
race_top:UnixLock
race_top:UnixUnlockEx