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32 lines
1.1 KiB
32 lines
1.1 KiB
commit 2a6c922f09e7a1c206e0cbdb4424f1cf101a5bda
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Author: Andreas Schwab <schwab@suse.de>
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Date: Thu Jun 20 14:13:01 2024 +0200
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mtrace: make shell commands robust against meta characters
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Use the list form of the open function to avoid interpreting meta
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characters in the arguments.
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diff --git a/malloc/mtrace.pl b/malloc/mtrace.pl
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index 0a631a07bc4cfbb6..32b4da935f7c7c4a 100644
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--- a/malloc/mtrace.pl
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+++ b/malloc/mtrace.pl
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@@ -87,7 +87,7 @@ if ($#ARGV == 0) {
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}
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# Set the environment variable LD_TRACE_LOADED_OBJECTS to 2 so the
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# executable is also printed.
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- if (open (locs, "env LD_TRACE_LOADED_OBJECTS=2 $prog |")) {
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+ if (open (locs, "-|", "env", "LD_TRACE_LOADED_OBJECTS=2", $prog)) {
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while (<locs>) {
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chop;
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if (/^.*=> (.*) .(0x[0123456789abcdef]*).$/) {
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@@ -104,7 +104,7 @@ if ($#ARGV == 0) {
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sub addr2line {
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my $addr = pop(@_);
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my $prog = pop(@_);
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- if (open (ADDR, "addr2line -e $prog $addr|")) {
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+ if (open (ADDR, "-|", "addr2line", "-e", $prog, $addr)) {
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my $line = <ADDR>;
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chomp $line;
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close (ADDR);
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