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sway: fix potential buffer overflow

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This commit is contained in:
Eric Engestrom 2016-05-01 13:39:44 +01:00
parent aece36cd22
commit e53ba08626
1 changed files with 2 additions and 1 deletions
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3
sway/commands.c
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@ -506,7 +506,8 @@ static struct cmd_results *cmd_exec_always(int argc, char **argv) {
// Put argument into cmd array // Put argument into cmd array
char cmd[4096]; char cmd[4096];
strcpy(cmd, tmp); strncpy(cmd, tmp, sizeof(cmd));
cmd[sizeof(cmd) - 1] = 0;
free(tmp); free(tmp);
sway_log(L_DEBUG, "Executing %s", cmd); sway_log(L_DEBUG, "Executing %s", cmd);