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b185b74b28
Software compiled with -fsanitize=address fails to run with the error message "ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD". This commit fixes the issue by ignoring the [vdso] loaded shared library instead of linux-vdso.so. PR: 267751 Reported by: yuri
18 lines
766 B
C++
18 lines
766 B
C++
Since the vDSO shared librares on Linux and FreeBSD are called
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differently, the initialization order check fails on FreeBSD.
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This patch fixes it by ignoring [vdso] instead of linux-vdso.so.
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GCC gets the original file from the LLVM Project, so this patch should
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probably be upstreamed directly to the LLVM Project rather than to GCC.
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--- libsanitizer/asan/asan_linux.cpp.orig 2022-11-23 10:52:45 UTC
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+++ libsanitizer/asan/asan_linux.cpp
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@@ -135,7 +135,7 @@ static int FindFirstDSOCallback(struct dl_phdr_info *i
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return 0;
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// Ignore vDSO
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- if (internal_strncmp(info->dlpi_name, "linux-", sizeof("linux-") - 1) == 0)
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+ if (internal_strncmp(info->dlpi_name, "[vdso]", sizeof("[vdso]") - 1) == 0)
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return 0;
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#if SANITIZER_FREEBSD || SANITIZER_NETBSD
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