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| author | Mark Johnston <markj@FreeBSD.org> | 2021-06-01 13:15:35 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2021-06-01 13:15:35 +0000 |
| commit | 283e60fb310abb0f77405bab2cc431690b9b262d (patch) | |
| tree | 6b59f8652999f17c6327810e320d3868949cd782 | |
| parent | b501b2ae52f3ccb384584dcbb5dc4a4568cc0096 (diff) | |
| download | src-283e60fb310abb0f77405bab2cc431690b9b262d.tar.gz src-283e60fb310abb0f77405bab2cc431690b9b262d.zip | |
ktrace: Fix an inverted comparison added in commit f3851b235
Fixes: f3851b235 ("ktrace: Fix a race with fork()")
Reported by: dchagin, phk
| -rw-r--r-- | sys/kern/kern_ktrace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c index 4a2dad20b035..87cea3f269d5 100644 --- a/sys/kern/kern_ktrace.c +++ b/sys/kern/kern_ktrace.c @@ -1176,7 +1176,8 @@ ktrops(struct thread *td, struct proc *p, int ops, int facs, PROC_UNLOCK(p); return (0); } - if ((ops == KTROP_SET && p->p_state == PRS_NEW) || !p_cansee(td, p)) { + if ((ops == KTROP_SET && p->p_state == PRS_NEW) || + p_cansee(td, p) != 0) { /* * Disallow setting trace points if the process is being born. * This avoids races with trace point inheritance in |