diff options
Diffstat (limited to 'sys/compat/linux/linux_misc.c')
| -rw-r--r-- | sys/compat/linux/linux_misc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index 2ae10a487813..2414c76eb173 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -2006,6 +2006,7 @@ linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args) u_int which; int flags; int error; + bool exec_blocked; if (args->new == NULL && args->old != NULL) { if (linux_get_dummy_limit(args->resource, &rlim)) { @@ -2033,6 +2034,7 @@ linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args) return (error); } + exec_blocked = false; flags = PGET_HOLD | PGET_NOTWEXIT; if (args->new != NULL) flags |= PGET_CANDEBUG; @@ -2045,6 +2047,14 @@ linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args) error = pget(args->pid, flags, &p); if (error != 0) return (error); + exec_blocked = true; + PROC_LOCK(p); + execve_block_wait(td, p); + error = args->new != NULL ? p_candebug(td, p) : + p_cansee(td, p); + PROC_UNLOCK(p); + if (error != 0) + goto out; } if (args->old != NULL) { PROC_LOCK(p); @@ -2067,6 +2077,11 @@ linux_prlimit64(struct thread *td, struct linux_prlimit64_args *args) error = kern_proc_setrlimit(td, p, which, &nrlim); out: + if (exec_blocked) { + PROC_LOCK(p); + execve_unblock(td, p); + PROC_UNLOCK(p); + } PRELE(p); return (error); } |