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[compiler-rt][rtsan] Fix recvmmsg rtsan interceptor for glibc < 2.21 #123664

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Merged
merged 1 commit into from
Jan 21, 2025
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[compiler-rt][rtsan] Fix recvmmsg rtsan interceptor for glibc < 2.21 #123664

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5 changes: 5 additions & 0 deletions compiler-rt/lib/rtsan/rtsan_interceptors_posix.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -927,8 +927,13 @@ INTERCEPTOR(ssize_t, recvmsg, int socket, struct msghdr *message, int flags) {
}

#if SANITIZER_INTERCEPT_RECVMMSG
#if defined(__GLIBC_MINOR__) && __GLIBC_MINOR__ < 21
INTERCEPTOR(int, recvmmsg, int socket, struct mmsghdr *message,
unsigned int len, int flags, const struct timespec *timeout) {
#else
INTERCEPTOR(int, recvmmsg, int socket, struct mmsghdr *message,
unsigned int len, int flags, struct timespec *timeout) {
#endif
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@cjappl cjappl Jan 21, 2025

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I would have a comment here saying what this is finishing

#endif defined(GLIBC_MINOR) && GLIBC_MINOR < 21

__rtsan_notify_intercepted_call("recvmmsg");
return REAL(recvmmsg)(socket, message, len, flags, timeout);
}
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