* bug#32968: M-x compile endangers your /bin/sh and thus your entire system
@ 2018-10-07 13:25 積丹尼 Dan Jacobson
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From: 積丹尼 Dan Jacobson @ 2018-10-07 13:25 UTC (permalink / raw)
To: 32968
Here's all it takes to wreck /bin/sh and thus your entire system.
M-x compile y y C-x C-c y
make i
test a -lt b
/bin/sh: line 0: test: a: integer expression expected
make: *** [Makefile:1: i] Error 2
# cat Makefile
i:; test a -lt b
# id
uid=0(root) gid=0(root) groups=0(root)
Note the above is with this set:
compilation-auto-jump-to-first-error is a variable defined in ‘compile.el’.
Its value is t
Original value was nil
emacs-version "25.2.2"
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2018-10-07 13:25 bug#32968: M-x compile endangers your /bin/sh and thus your entire system 積丹尼 Dan Jacobson
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