busybox: Fix snprintf arguments in lock
The first argument for snprintf is the buffer and the 2. one is the
size. Fix the order. This broke the lock application.
Fixes: 34567750db
("busybox: fix busybox lock applet pidstr buffer overflow")
Reported-by: Hartmut Birr <e9hack@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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@ -109,7 +109,7 @@
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+ if (!waitonly) {
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+ lseek(fd, 0, SEEK_SET);
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+ ftruncate(fd, 0);
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+ snprintf(sizeof(pidstr), pidstr, "%d\n", pid);
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+ snprintf(pidstr, sizeof(pidstr), "%d\n", pid);
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+ write(fd, pidstr, strlen(pidstr));
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+ close(fd);
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+ }
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