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| author | Konstantin Belousov <kib@FreeBSD.org> | 2024-04-29 21:04:25 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2024-04-30 07:07:03 +0000 |
| commit | 5b3e5c6ce3e552dae3e84d6bc781bc9f53c22d71 (patch) | |
| tree | 57ec002a3df311f58bba1a2f886f87a01fdc17ff | |
| parent | 1e01650a787028fd558e8cb709c232e335fc2cd9 (diff) | |
| download | src-5b3e5c6ce3e552dae3e84d6bc781bc9f53c22d71.tar.gz src-5b3e5c6ce3e552dae3e84d6bc781bc9f53c22d71.zip | |
kcmp_pget(): do not accept TIDs
Otherwise pget() might still look up and hold the current process.
Reported and tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
| -rw-r--r-- | sys/kern/sys_generic.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c index cc1126ac4dc4..99b018dee26c 100644 --- a/sys/kern/sys_generic.c +++ b/sys/kern/sys_generic.c @@ -2098,7 +2098,8 @@ kcmp_pget(struct thread *td, pid_t pid, struct proc **pp) *pp = td->td_proc; return (0); } - error = pget(pid, PGET_CANDEBUG | PGET_NOTWEXIT | PGET_HOLD, pp); + error = pget(pid, PGET_NOTID | PGET_CANDEBUG | PGET_NOTWEXIT | + PGET_HOLD, pp); MPASS(*pp != td->td_proc); return (error); } |