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79 lines
1.6 KiB
Plaintext
79 lines
1.6 KiB
Plaintext
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# This is a suppression file for use with Valgrind tools. File format
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# documentation:
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# http://valgrind.org/docs/manual/mc-manual.html#mc-manual.suppfiles
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# The libc symbol that implements a particular standard interface is
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# implementation-dependent. For example, strncpy() shows up as "__GI_strncpy"
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# on some platforms. Use wildcards to avoid mentioning such specific names.
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# We have occasion to write raw binary structures to disk or to the network.
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# These may contain uninitialized padding bytes. Since recipients also ignore
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# those bytes as padding, this is harmless.
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{
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padding_pgstat_send
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Memcheck:Param
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socketcall.send(msg)
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fun:*send*
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fun:pgstat_send
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}
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{
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padding_pgstat_sendto
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Memcheck:Param
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socketcall.sendto(msg)
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fun:*send*
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fun:pgstat_send
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}
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{
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padding_pgstat_write
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Memcheck:Param
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write(buf)
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...
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fun:pgstat_write_statsfiles
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}
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{
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padding_XLogRecData_CRC
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Memcheck:Value8
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fun:XLogInsert
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}
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{
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padding_XLogRecData_write
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Memcheck:Param
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write(buf)
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...
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fun:XLogWrite
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}
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{
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padding_relcache
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Memcheck:Param
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write(buf)
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...
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fun:write_relcache_init_file
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}
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# gcc on ppc64 can generate a four-byte read to fetch the final "char" fields
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# of a FormData_pg_cast. This is valid compiler behavior, because a proper
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# FormData_pg_cast has trailing padding. Tuples we treat as structures omit
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# that padding, so Valgrind reports an invalid read. Practical trouble would
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# entail the missing pad bytes falling in a different memory page. So long as
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# the structure is aligned, that will not happen.
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{
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overread_tuplestruct_pg_cast
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Memcheck:Addr4
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fun:IsBinaryCoercible
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}
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