The branch main has been updated by olce: URL: https://cgit.FreeBSD.org/src/commit/?id=de4832289625f3c1cea4200d8eb7b4c753b90648
commit de4832289625f3c1cea4200d8eb7b4c753b90648 Author: Olivier Certner <o...@freebsd.org> AuthorDate: 2025-08-29 17:01:27 +0000 Commit: Olivier Certner <o...@freebsd.org> CommitDate: 2025-09-17 12:16:09 +0000 stress2: Fix removal of supplementary groups To this end, call setgroups(0, NULL) instead of passing the effective GID. This stance is fully compatible with older versions of FreeBSD. Fixes: 9da2fe96ff2e ("kern: fix setgroups(2) and getgroups(2) to match other platforms") MFC after: 5 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D52290 --- tools/test/stress2/misc/fdatasync.sh | 2 +- tools/test/stress2/misc/fdatasync2.sh | 2 +- tools/test/stress2/misc/fifo2.sh | 2 +- tools/test/stress2/misc/ftruncate.sh | 2 +- tools/test/stress2/misc/ftruncate2.sh | 2 +- tools/test/stress2/misc/kevent7.sh | 2 +- tools/test/stress2/misc/killpg.sh | 2 +- tools/test/stress2/misc/killpg2.sh | 2 +- tools/test/stress2/misc/killpg3.sh | 2 +- tools/test/stress2/misc/maxproc.sh | 2 +- tools/test/stress2/misc/mlockall3.sh | 2 +- tools/test/stress2/misc/mlockall7.sh | 2 +- tools/test/stress2/misc/mountu.sh | 2 +- tools/test/stress2/misc/msync.sh | 2 +- tools/test/stress2/misc/pread.sh | 2 +- tools/test/stress2/misc/sched.sh | 2 +- tools/test/stress2/misc/sigreturn3.sh | 2 +- tools/test/stress2/misc/sigreturn4.sh | 2 +- tools/test/stress2/misc/syscall4.sh | 2 +- tools/test/stress2/misc/tmpfs16.sh | 2 +- 20 files changed, 20 insertions(+), 20 deletions(-) diff --git a/tools/test/stress2/misc/fdatasync.sh b/tools/test/stress2/misc/fdatasync.sh index f17e2826ad94..9abd31e5bd94 100755 --- a/tools/test/stress2/misc/fdatasync.sh +++ b/tools/test/stress2/misc/fdatasync.sh @@ -178,7 +178,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/fdatasync2.sh b/tools/test/stress2/misc/fdatasync2.sh index 6011eba53698..42ade0cedbd3 100755 --- a/tools/test/stress2/misc/fdatasync2.sh +++ b/tools/test/stress2/misc/fdatasync2.sh @@ -177,7 +177,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/fifo2.sh b/tools/test/stress2/misc/fifo2.sh index 4a7b986931d9..e84506cbfb01 100755 --- a/tools/test/stress2/misc/fifo2.sh +++ b/tools/test/stress2/misc/fifo2.sh @@ -167,7 +167,7 @@ main(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/ftruncate.sh b/tools/test/stress2/misc/ftruncate.sh index ddec85b6745a..f9aa1869756f 100755 --- a/tools/test/stress2/misc/ftruncate.sh +++ b/tools/test/stress2/misc/ftruncate.sh @@ -170,7 +170,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/ftruncate2.sh b/tools/test/stress2/misc/ftruncate2.sh index 35db3a4c5f8d..94d9b6ca810f 100755 --- a/tools/test/stress2/misc/ftruncate2.sh +++ b/tools/test/stress2/misc/ftruncate2.sh @@ -185,7 +185,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/kevent7.sh b/tools/test/stress2/misc/kevent7.sh index 8b58c35551f7..4c7718c6ae5f 100755 --- a/tools/test/stress2/misc/kevent7.sh +++ b/tools/test/stress2/misc/kevent7.sh @@ -236,7 +236,7 @@ main(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/killpg.sh b/tools/test/stress2/misc/killpg.sh index c6af55a3d593..ea99f5e0d0fd 100755 --- a/tools/test/stress2/misc/killpg.sh +++ b/tools/test/stress2/misc/killpg.sh @@ -113,7 +113,7 @@ killer(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/killpg2.sh b/tools/test/stress2/misc/killpg2.sh index 5e986f059637..cf186d686dfd 100755 --- a/tools/test/stress2/misc/killpg2.sh +++ b/tools/test/stress2/misc/killpg2.sh @@ -77,7 +77,7 @@ looper(void) if ((pw = getpwnam("TUSER")) == NULL) err(1, "no such user: TUSER"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"TUSER\""); diff --git a/tools/test/stress2/misc/killpg3.sh b/tools/test/stress2/misc/killpg3.sh index 304b3e320f2f..4fcb4fa7a643 100755 --- a/tools/test/stress2/misc/killpg3.sh +++ b/tools/test/stress2/misc/killpg3.sh @@ -109,7 +109,7 @@ looper(void) if ((pw = getpwnam("TUSER")) == NULL) err(1, "no such user: TUSER"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"TUSER\""); diff --git a/tools/test/stress2/misc/maxproc.sh b/tools/test/stress2/misc/maxproc.sh index 0574def8a605..3241e275375e 100755 --- a/tools/test/stress2/misc/maxproc.sh +++ b/tools/test/stress2/misc/maxproc.sh @@ -103,7 +103,7 @@ t1(int priv) err(1, "no such user: nobody"); if (priv == 0) { - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/mlockall3.sh b/tools/test/stress2/misc/mlockall3.sh index 0ff1e24eaa7f..aa53e75166a5 100755 --- a/tools/test/stress2/misc/mlockall3.sh +++ b/tools/test/stress2/misc/mlockall3.sh @@ -130,7 +130,7 @@ main(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/mlockall7.sh b/tools/test/stress2/misc/mlockall7.sh index 987e312f19e7..5a927043cb56 100755 --- a/tools/test/stress2/misc/mlockall7.sh +++ b/tools/test/stress2/misc/mlockall7.sh @@ -179,7 +179,7 @@ testing(unsigned long maxl) maxlock = maxl; if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/mountu.sh b/tools/test/stress2/misc/mountu.sh index abd3c744d160..95043e634ef1 100755 --- a/tools/test/stress2/misc/mountu.sh +++ b/tools/test/stress2/misc/mountu.sh @@ -241,7 +241,7 @@ main(int argc __unused, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/msync.sh b/tools/test/stress2/misc/msync.sh index 326c7e723774..df05875afb45 100755 --- a/tools/test/stress2/misc/msync.sh +++ b/tools/test/stress2/misc/msync.sh @@ -166,7 +166,7 @@ main(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/pread.sh b/tools/test/stress2/misc/pread.sh index 24ee2efb696a..985d3f643df1 100755 --- a/tools/test/stress2/misc/pread.sh +++ b/tools/test/stress2/misc/pread.sh @@ -170,7 +170,7 @@ main(int argc __unused, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/sched.sh b/tools/test/stress2/misc/sched.sh index 1a1db70eb38a..8b33d7b16094 100755 --- a/tools/test/stress2/misc/sched.sh +++ b/tools/test/stress2/misc/sched.sh @@ -107,7 +107,7 @@ work(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/sigreturn3.sh b/tools/test/stress2/misc/sigreturn3.sh index a2d865b73847..6795c4fd0846 100755 --- a/tools/test/stress2/misc/sigreturn3.sh +++ b/tools/test/stress2/misc/sigreturn3.sh @@ -121,7 +121,7 @@ main(int argc, char **argv) fprintf(stderr, "Running syscall4 as root for %s.\n", argv[1]); else { - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/sigreturn4.sh b/tools/test/stress2/misc/sigreturn4.sh index c77140de0518..90ee16777e03 100755 --- a/tools/test/stress2/misc/sigreturn4.sh +++ b/tools/test/stress2/misc/sigreturn4.sh @@ -147,7 +147,7 @@ main(int argc, char **argv) fprintf(stderr, "Running sigreturn4 as root for %s.\n", argv[1]); else { - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/syscall4.sh b/tools/test/stress2/misc/syscall4.sh index 3937d45c0303..92150c782ac1 100755 --- a/tools/test/stress2/misc/syscall4.sh +++ b/tools/test/stress2/misc/syscall4.sh @@ -318,7 +318,7 @@ main(int argc, char **argv) fprintf(stderr, "Running syscall4 as root for %s.\n", argv[1]); else { - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/tmpfs16.sh b/tools/test/stress2/misc/tmpfs16.sh index 8cc3c3596a4e..683817ce6497 100755 --- a/tools/test/stress2/misc/tmpfs16.sh +++ b/tools/test/stress2/misc/tmpfs16.sh @@ -181,7 +181,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\"");