git: 2c34a6f77008 - stable/13 - posix_spawnattr_setflags(3): validate argument
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Date: Mon, 11 Mar 2024 00:30:31 UTC
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=2c34a6f77008780307df85d9387adf37bf74026f commit 2c34a6f77008780307df85d9387adf37bf74026f Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-03-03 13:19:37 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-03-11 00:29:51 +0000 posix_spawnattr_setflags(3): validate argument (cherry picked from commit 80ac36c3a2a87a19790eba487466bf70d55f566e) --- lib/libc/gen/posix_spawn.c | 4 ++++ lib/libc/gen/posix_spawnattr_getflags.3 | 7 +++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/lib/libc/gen/posix_spawn.c b/lib/libc/gen/posix_spawn.c index 77f7dd9955cd..49a63bb40501 100644 --- a/lib/libc/gen/posix_spawn.c +++ b/lib/libc/gen/posix_spawn.c @@ -630,6 +630,10 @@ posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict sa, int posix_spawnattr_setflags(posix_spawnattr_t *sa, short flags) { + if ((flags & ~(POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP | + POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER | + POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK)) != 0) + return (EINVAL); (*sa)->sa_flags = flags; return (0); } diff --git a/lib/libc/gen/posix_spawnattr_getflags.3 b/lib/libc/gen/posix_spawnattr_getflags.3 index 9a468cbb8b0f..18cf6683e935 100644 --- a/lib/libc/gen/posix_spawnattr_getflags.3 +++ b/lib/libc/gen/posix_spawnattr_getflags.3 @@ -83,9 +83,12 @@ The default value of this attribute is as if no flags were set. .Sh RETURN VALUES The .Fn posix_spawnattr_getflags -and +function returns zero. +The .Fn posix_spawnattr_setflags -functions return zero. +function returns zero on success, and +.Er EINVAL +on failure due to invalid flag specified. .Sh SEE ALSO .Xr posix_spawn 3 , .Xr posix_spawnattr_destroy 3 ,