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| -rw-r--r-- | shell/ash.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/shell/ash.c b/shell/ash.c index 14472cb61..d02b74a4c 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -7435,6 +7435,12 @@ tryexec(IF_FEATURE_SH_STANDALONE(int applet_no,) char *cmd, char **argv, char ** * * That is, do not use $SHELL, user's shell, or /bin/sh; * just call ourselves. + * + * Note that bash reads ~80 chars of the file, and if it sees + * a zero byte before it sees newline, it doesn't try to + * interpret it, but fails with "cannot execute binary file" + * message. For one, it prevents atempts to interpret + * foreign ELF binaries as shell scripts. */ char **ap; char **new; |