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Code Issues Releases Wiki Activity

store_iobuf_local: fix potential double free on the error path.

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This commit is contained in:
Todd C. Miller 2022-02-10 13:33:24 -07:00
parent 3b6f620e3e
commit 3c1ce4bf72
1 changed files with 3 additions and 2 deletions
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5
logsrvd/logsrvd_local.c
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@ -559,7 +559,6 @@ store_iobuf_local(int iofd, IoBuffer *iobuf, uint8_t *buf, size_t buflen,
errstr);
goto bad;
}
free(newbuf);
/* Write timing data. */
if (!iolog_write(&closure->iolog_files[IOFD_TIMING], tbuf,
@ -575,12 +574,14 @@ store_iobuf_local(int iofd, IoBuffer *iobuf, uint8_t *buf, size_t buflen,
if (random_drop > 0.0) {
double randval = arc4random() / (double)UINT32_MAX;
if (randval < random_drop) {
closure->errstr = _("randomly dropping connection");
sudo_debug_printf(SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO,
"randomly dropping connection (%f < %f)", randval, random_drop);
debug_return_bool(false);
goto bad;
}
}
free(newbuf);
debug_return_bool(true);
bad:
free(newbuf);