diff options
Diffstat (limited to 'tools/test')
45 files changed, 1624 insertions, 76 deletions
diff --git a/tools/test/netfibs/reflector.sh b/tools/test/netfibs/reflector.sh index b9500689a321..a68019532010 100755 --- a/tools/test/netfibs/reflector.sh +++ b/tools/test/netfibs/reflector.sh @@ -897,7 +897,7 @@ testrx_run_test() *) _opts="-d" ;; esac - # Convert netcat options to reflect aguments. + # Convert netcat options to reflect arguments. case "${_o}" in -i) _opts="${_opts} -T TCP6" ;; # Use TCP for START/DONE. -u) _opts="${_opts} -T UDP6" ;; diff --git a/tools/test/stress2/misc/all.exclude b/tools/test/stress2/misc/all.exclude index f9b32db95799..0658bfdc0c1b 100644 --- a/tools/test/stress2/misc/all.exclude +++ b/tools/test/stress2/misc/all.exclude @@ -25,6 +25,7 @@ gnop13.sh https://people.freebsd.org/~pho/stress/log/log0386.txt 20221113 gnop7.sh Waiting for patch commit 20190820 gnop8.sh Waiting for patch commit 20201214 gnop9.sh Waiting for patch commit 20201214 +graid1_3.sh Hang seen 20250915 graid1_8.sh Known issue 20170909 graid1_9.sh panic: Bad effnlink 20180212 lockf5.sh Spinning threads seen 20160718 @@ -74,10 +75,13 @@ syzkaller67.sh panic: ASan: Invalid access, 8-byte read at ... 20230621 syzkaller80.sh panic 20250711 syzkaller81.sh panic 20250711 syzkaller82.sh panic: m_apply, length > size of mbuf chain 20250724 +syzkaller84.sh panic: Assertion !(sb->sb_state & SBS_CANTRCVMORE) 20250810 +syzkaller85.sh panic: Assertion uio->uio_resid < 0 failed 20250928 +syzkaller86.sh Fatal trap 12: page fault while in kernel mode 20251001 +write2.sh panic: sndbuf_acquire: count 255 > free 0 20251003 quota3.sh https://people.freebsd.org/~pho/stress/log/log0604.txt 20250728 quota6.sh https://people.freebsd.org/~pho/stress/log/log0456.txt 20240707 truss3.sh WiP 20200915 -zfs18.sh https://people.freebsd.org/~pho/stress/log/log0560.txt 20241118 zfs9.sh panic: sacked_bytes < 0 20250711 # Test not to run for other reasons: diff --git a/tools/test/stress2/misc/beneath4.sh b/tools/test/stress2/misc/beneath4.sh index 48458f088a96..3ba448cd06c7 100755 --- a/tools/test/stress2/misc/beneath4.sh +++ b/tools/test/stress2/misc/beneath4.sh @@ -88,7 +88,7 @@ main(int argc, char *argv[]) warn("cwd=%s, top=%s. flag=%0.6x. fstatf(%s) = %2d (expect %2d). %4s", cwd, dir, flag, obj, r, exp, s); - return (r == exp ? 0 : errno); + return (r != exp); } EOF cc -o beneath4 -Wall -Wextra -O2 -g beneath4.c || exit 1 @@ -129,5 +129,5 @@ $dir/beneath4 $top $top/.. 0x2000 93 || s=1 $dir/beneath4 $top ../a 0x2000 93 || s=1 printf "\nNo flag\n" $dir/beneath4 $top ../a 0x0000 0 || s=1 -rm -rf $top +rm -rf $dir exit $s 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/fdescfs2.sh b/tools/test/stress2/misc/fdescfs2.sh new file mode 100755 index 000000000000..21b82dcddd5e --- /dev/null +++ b/tools/test/stress2/misc/fdescfs2.sh @@ -0,0 +1,44 @@ +#!/bin/sh + +# +# Copyright (c) 2025 Peter Holm <pho@FreeBSD.org> +# +# SPDX-License-Identifier: BSD-2-Clause +# + +# Test scenario description by: Kyle Evans <kevans@FreeBSD.org> + +# "panic: mtx_lock() of destroyed mutex 0xffffffff83717540 @ /usr/src/sys/fs/fdescfs/fdesc_vnops.c:151" seen + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 +. ../default.cfg + +set -u + +kldstat | grep -q fdescfs.ko && { kldunload fdescfs.ko && wasloaded=1; } +while true; do + mount | grep -q "on $mntpoint " || + mount -t fdescfs dummy $mntpoint || continue + ls $mntpoint > /dev/null + if mount | grep -q "on $mntpoint "; then + if ! umount $mntpoint; then + umount -f $mntpoint || break + fi + fi +done > /dev/null 2>&1 & + +start=`date +%s` +while [ $((`date +%s` - start)) -lt 10 ]; do + kldstat | grep -q fdescfs.ko && + kldunload fdescfs.ko 2>/dev/null + sleep .1 + kldstat | grep -q fdescfs.ko || + kldload fdescfs.ko +done +kill %1 +wait +mount | grep -q "on $mntpoint " && umount $mntpoint +sleep .1 +set +u +[ $wasloaded ] || kldunload fdescfs.ko +exit 0 diff --git a/tools/test/stress2/misc/fdescfs3.sh b/tools/test/stress2/misc/fdescfs3.sh new file mode 100755 index 000000000000..eb24a6eac085 --- /dev/null +++ b/tools/test/stress2/misc/fdescfs3.sh @@ -0,0 +1,51 @@ +#!/bin/sh + +# +# Copyright (c) 2025 Peter Holm <pho@FreeBSD.org> +# +# SPDX-License-Identifier: BSD-2-Clause +# + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +mounts=15 # Number of parallel scripts +mdstart=$mdstart # Use md unit numbers from this point + +if [ $# -eq 0 ]; then + for i in `jot $mounts`; do + m=$(( i + mdstart - 1 )) + [ ! -d ${mntpoint}$m ] && mkdir ${mntpoint}$m + mount | grep "$mntpoint" | grep -q md$m && umount ${mntpoint}$m + done + ../testcases/swap/swap -t 2m -i 20 & + + # start the parallel tests + touch /tmp/$0 + for i in `jot $mounts`; do + m=$(( i + mdstart - 1 )) + ./$0 $m & + ./$0 find $m > /dev/null 2>&1 & + done + wait +else + if [ $1 = find ]; then + while [ -r /tmp/$0 ]; do + ls -lR ${mntpoint}* + done + else + + # The test: Parallel mount and unmounts + start=`date +%s` + while [ $((`date +%s` - start)) -lt 120 ]; do + m=$1 + mount -t fdescfs null ${mntpoint}$m + while mount | grep -qw $mntpoint$m; do + opt=$([ $((`date '+%s'` % 2)) -eq 0 ] && echo "-f") + umount $opt ${mntpoint}$m > /dev/null 2>&1 + done + done + rm -f /tmp/$0 + fi +fi diff --git a/tools/test/stress2/misc/fifo2.sh b/tools/test/stress2/misc/fifo2.sh index 4a7b986931d9..e84506cbfb01 100755 --- a/tools/test/stress2/misc/fifo2.sh +++ b/tools/test/stress2/misc/fifo2.sh @@ -167,7 +167,7 @@ main(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/ftruncate.sh b/tools/test/stress2/misc/ftruncate.sh index ddec85b6745a..f9aa1869756f 100755 --- a/tools/test/stress2/misc/ftruncate.sh +++ b/tools/test/stress2/misc/ftruncate.sh @@ -170,7 +170,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/ftruncate2.sh b/tools/test/stress2/misc/ftruncate2.sh index 35db3a4c5f8d..94d9b6ca810f 100755 --- a/tools/test/stress2/misc/ftruncate2.sh +++ b/tools/test/stress2/misc/ftruncate2.sh @@ -185,7 +185,7 @@ main(int argc, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "failed to resolve nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/fuzz.sh b/tools/test/stress2/misc/fuzz.sh index 189cdbfebd01..add3d0d19a21 100755 --- a/tools/test/stress2/misc/fuzz.sh +++ b/tools/test/stress2/misc/fuzz.sh @@ -49,6 +49,7 @@ . ../default.cfg D=$diskimage +backup=/tmp/fuzz.sh.diskimage.`date +%Y%m%dT%H%M%S`.gz tst() { rm -f $D @@ -62,6 +63,7 @@ tst() { for i in `jot 50`; do ./fuzz -n 50 $D + gzip < $D > $backup if fsck -f -y /dev/md$mdstart 2>&1 | egrep "^[A-Z]" > /dev/null; then if fsck -f -y /dev/md$mdstart 2>&1 | egrep "^[A-Z]" > /dev/null; then if fsck -f -y /dev/md$mdstart 2>&1 | egrep "^[A-Z]" > /dev/null; then @@ -73,7 +75,7 @@ tst() { sync;sync;sync if mount /dev/md$mdstart $mntpoint; then ls -l $mntpoint > /dev/null - find $mntpoint -exec dd if={} of=/dev/null bs=1m count=3 \; > /dev/null 2>&1 + find $mntpoint -type f -exec dd if={} of=/dev/null bs=1m count=3 \; > /dev/null 2>&1 umount $mntpoint else echo "Giving up at loop $i" @@ -96,7 +98,7 @@ for j in `jot 10`; do date '+%T' tst done -rm -f fuzz +rm -f fuzz $backup exit diff --git a/tools/test/stress2/misc/kevent10.sh b/tools/test/stress2/misc/kevent10.sh index b7f74f487cec..cebbd040c37d 100755 --- a/tools/test/stress2/misc/kevent10.sh +++ b/tools/test/stress2/misc/kevent10.sh @@ -72,15 +72,15 @@ main(void) struct kevent events; char *fn = "/tmp/kevent10.trace"; - if (open(fn, O_RDWR | O_CREAT, 0666) == -1) - err(1, "%s", fn); + if (open(fn, O_RDWR | O_CREAT | O_TRUNC, 0666) == -1) + err(1, "open(%s)", fn); if (ktrace(fn, KTRFLAG_DESCEND | KTROP_SET, KTRFAC_GENIO, 0) == -1) err(1, "ktrace"); memset(&changes, 0, sizeof(struct kevent)); memset(&events, 0, sizeof(struct kevent)); if (kevent(0, &changes, -1, &events, 1, 0) == -1) - if (errno != EBADF) - err(1, "kevent"); + if (errno != EBADF && errno != EINVAL) + warn("kevent"); if (ktrace(fn, KTROP_CLEARFILE, KTRFAC_GENIO, 0) == -1) err(1, "ktrace clear"); diff --git a/tools/test/stress2/misc/kevent16.sh b/tools/test/stress2/misc/kevent16.sh index 23dd222821da..58a8f6971c21 100755 --- a/tools/test/stress2/misc/kevent16.sh +++ b/tools/test/stress2/misc/kevent16.sh @@ -88,5 +88,5 @@ cc -o /tmp/kevent16 -Wall -Wextra -O2 /tmp/kevent16.c || exit 1 /tmp/kevent16; s=$? -rm -f /tmp/kevent16.c kevent16 kevent16.core +rm -f /tmp/kevent16.c /tmp/kevent16 kevent16.core exit $s 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 c425c307e06b..3241e275375e 100755 --- a/tools/test/stress2/misc/maxproc.sh +++ b/tools/test/stress2/misc/maxproc.sh @@ -32,12 +32,12 @@ . ../default.cfg +[ `sysctl -n kern.maxproc` -gt 37028 ] && exit 0 # Excessive run time here=`pwd` cd /tmp sed '1,/^EOF/d' < $here/$0 > maxproc.c mycc -o maxproc -Wall -Wextra maxproc.c -lkvm || exit 1 rm -f maxproc.c -[ `sysctl -n kern.maxproc` -gt 37028 ] && exit 0 # Excessive run time cd $here /tmp/maxproc @@ -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/mmap43.sh b/tools/test/stress2/misc/mmap43.sh index 8508d5865aef..424e189b8b84 100755 --- a/tools/test/stress2/misc/mmap43.sh +++ b/tools/test/stress2/misc/mmap43.sh @@ -180,7 +180,7 @@ cd $here umount $mntpoint mdconfig -d -u $mdstart -rm /tmp/$prog /tmp/$prog.c /tmp/$prog.sort +rm /tmp/$prog /tmp/$prog.c /tmp/$prog.sort /tmp/$prog.serial.c /tmp/$prog.serial $log [ $s -eq 0 ] && printf "OK File size is %9d, tail is %4d bytes. (%3d loops)\n" $size $tail $counter || printf "FAIL File size is %9d, tail is %4d bytes. (%3d loops)\n" $size $tail $counter diff --git a/tools/test/stress2/misc/mountu.sh b/tools/test/stress2/misc/mountu.sh index abd3c744d160..95043e634ef1 100755 --- a/tools/test/stress2/misc/mountu.sh +++ b/tools/test/stress2/misc/mountu.sh @@ -241,7 +241,7 @@ main(int argc __unused, char **argv) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/msync.sh b/tools/test/stress2/misc/msync.sh index 326c7e723774..df05875afb45 100755 --- a/tools/test/stress2/misc/msync.sh +++ b/tools/test/stress2/misc/msync.sh @@ -166,7 +166,7 @@ main(void) if ((pw = getpwnam("nobody")) == NULL) err(1, "no such user: nobody"); - if (setgroups(1, &pw->pw_gid) || + if (setgroups(0, NULL) || setegid(pw->pw_gid) || setgid(pw->pw_gid) || seteuid(pw->pw_uid) || setuid(pw->pw_uid)) err(1, "Can't drop privileges to \"nobody\""); diff --git a/tools/test/stress2/misc/nfs_halfpage.sh b/tools/test/stress2/misc/nfs_halfpage.sh index 8d02ca8ebbcf..b2f606e9607b 100755 --- a/tools/test/stress2/misc/nfs_halfpage.sh +++ b/tools/test/stress2/misc/nfs_halfpage.sh @@ -35,6 +35,11 @@ # https://reviews.freebsd.org/D11697 # Committed as r321580 + r321581. +[ -z "$nfs_export" ] && exit 0 +ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || + exit 0 + +mount | grep "$mntpoint" | grep -q nfs && umount $mntpoint dir=/tmp odir=`pwd` cd $dir @@ -43,11 +48,6 @@ mycc -o nfs_halfpage -Wall -Wextra -O0 -g nfs_halfpage.c || exit 1 rm -f nfs_halfpage.c cd $odir -[ -z "$nfs_export" ] && exit 0 -ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || - exit 0 - -mount | grep "$mntpoint" | grep -q nfs && umount $mntpoint mount -t nfs -o tcp -o retrycnt=3 -o intr,soft -o rw $nfs_export $mntpoint file=$mntpoint/nfs_halfpage.file diff --git a/tools/test/stress2/misc/nfs_halfpage2.sh b/tools/test/stress2/misc/nfs_halfpage2.sh index b916531c7a9d..8ca907f25e09 100755 --- a/tools/test/stress2/misc/nfs_halfpage2.sh +++ b/tools/test/stress2/misc/nfs_halfpage2.sh @@ -35,6 +35,10 @@ # https://reviews.freebsd.org/D11697 # Committed as r321580 + r321581. +[ -z "$nfs_export" ] && exit 0 +ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || + exit 0 + dir=/tmp odir=`pwd` cd $dir @@ -43,10 +47,6 @@ mycc -o nfs_halfpage -Wall -Wextra -O0 -g nfs_halfpage.c || exit 1 rm -f nfs_halfpage.c cd $odir -[ -z "$nfs_export" ] && exit 0 -ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || - exit 0 - mount | grep "$mntpoint" | grep -q nfs && umount $mntpoint mount -t nfs -o tcp -o retrycnt=3 -o intr,soft -o rw $nfs_export $mntpoint diff --git a/tools/test/stress2/misc/nullfs29.sh b/tools/test/stress2/misc/nullfs29.sh index aa606fd5f526..977e3c087523 100755 --- a/tools/test/stress2/misc/nullfs29.sh +++ b/tools/test/stress2/misc/nullfs29.sh @@ -73,5 +73,5 @@ while mount | grep $mp1 | grep -q /dev/md; do [ $n -gt 30 ] && { echo FAIL; s=2; } done mdconfig -d -u $mdstart -rm -f /tmp/nullfs29.c +rm -f /tmp/nullfs29.c /tmp/nullfs29 exit $s 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/rsync.sh b/tools/test/stress2/misc/rsync.sh index fa52f98c6f02..1e677c7c1f6c 100755 --- a/tools/test/stress2/misc/rsync.sh +++ b/tools/test/stress2/misc/rsync.sh @@ -31,7 +31,7 @@ if [ $s -eq 0 ]; then fi if [ $s -eq 0 ]; then - diff -rq /usr/src/sys $mntpoint/usr/src/sys > $log; s=$? + diff --no-dereference -rq /usr/src/sys $mntpoint/usr/src/sys > $log; s=$? [ $s -ne 0 ] && { echo "/usr/src $mntpoint/usr/src differ!"; head -10 $log; } fi diff --git a/tools/test/stress2/misc/rsync3.sh b/tools/test/stress2/misc/rsync3.sh index 1d77bdfbcaa5..e5e4db128b0f 100755 --- a/tools/test/stress2/misc/rsync3.sh +++ b/tools/test/stress2/misc/rsync3.sh @@ -30,7 +30,7 @@ if [ $s -eq 0 ]; then fi if [ $s -eq 0 ]; then - diff -rq /usr/src/sys $mntpoint/usr/src/sys > $log; s=$? + diff --no-dereference -rq /usr/src/sys $mntpoint/usr/src/sys > $log; s=$? [ $s -ne 0 ] && { echo "/usr/src $mntpoint/usr/src differ!"; head -10 $log; } fi 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/setrlimit2.sh b/tools/test/stress2/misc/setrlimit2.sh index 4eea25ef3ee4..8c717fe72458 100755 --- a/tools/test/stress2/misc/setrlimit2.sh +++ b/tools/test/stress2/misc/setrlimit2.sh @@ -114,5 +114,5 @@ h1=`md5 < $data` ./setrlimit2 $data h2=`md5 < $data` -rm -f /tmp/setrlimit2 /tmp/setrlimit2.c +rm -f /tmp/setrlimit2 /tmp/setrlimit2.c $data [ $h1 = $h2 ] && exit 1 || exit 0 diff --git a/tools/test/stress2/misc/sigreturn3.sh b/tools/test/stress2/misc/sigreturn3.sh index 271ade287e9a..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\""); @@ -177,5 +177,5 @@ start=`date +%s` while [ $((`date +%s` - start)) -lt 300 ]; do ./$prog > /dev/null 2>&1 done -rm -f /tmp/$prog /tmp/$ptog.c /tmp/$prog.core +rm -f /tmp/$prog /tmp/$prog.c /tmp/$prog.core exit 0 diff --git a/tools/test/stress2/misc/sigreturn4.sh b/tools/test/stress2/misc/sigreturn4.sh index 9e2a6a32715c..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\""); @@ -203,5 +203,5 @@ start=`date +%s` while [ $((`date +%s` - start)) -lt 300 ]; do ./$prog > /dev/null 2>&1 done -rm -f /tmp/$prog /tmp/$ptog.c /tmp/$prog.core +rm -f /tmp/$prog /tmp/$prog.c /tmp/$prog.core exit 0 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/syzkaller13.sh b/tools/test/stress2/misc/syzkaller13.sh index 9b46ebd290af..fe15652b0a25 100755 --- a/tools/test/stress2/misc/syzkaller13.sh +++ b/tools/test/stress2/misc/syzkaller13.sh @@ -246,4 +246,5 @@ pkill -9 syzkaller13 wait rm -f /tmp/syzkaller13 /tmp/syzkaller13.* /tmp/file0 +rm -rf /tmp/syzkaller.* exit 0 diff --git a/tools/test/stress2/misc/syzkaller21.sh b/tools/test/stress2/misc/syzkaller21.sh index 3a7eeb05ef6c..07eef4bc5861 100755 --- a/tools/test/stress2/misc/syzkaller21.sh +++ b/tools/test/stress2/misc/syzkaller21.sh @@ -398,6 +398,6 @@ if pgrep -q syzkaller21; then fi wait -rm -rf /tmp/syzkaller21.* +rm -rf /tmp/syzkaller21.* /tmp/syzkaller.* rm -f /tmp/syzkaller21 exit 0 diff --git a/tools/test/stress2/misc/syzkaller61.sh b/tools/test/stress2/misc/syzkaller61.sh index a25ae4cf00d8..d07f12b05b1a 100755 --- a/tools/test/stress2/misc/syzkaller61.sh +++ b/tools/test/stress2/misc/syzkaller61.sh @@ -1,15 +1,7 @@ #!/bin/sh -# Seen: -# [root@mercat1 /usr/src/tools/test/stress2/misc]# pgrep syzkaller61 | xargs procstat -k -# PID TID COMM TDNAME KSTACK -# 13332 106396 syzkaller61 - mi_switch thread_suspend_check ast_suspend ast_handler ast doreti_ast -# 13332 560662 syzkaller61 - mi_switch sleepq_switch sleepq_catch_signals sleepq_wait_sig _sleep umtxq_sleep do_wait __umtx_op_wait_uint_private sys__umtx_op amd64_syscall fast_syscall_common -# 13332 560776 syzkaller61 - mi_switch thread_suspend_switch thread_single fork1 sys_rfork amd64_syscall fast_syscall_common -# 13662 356440 syzkaller61 - mi_switch thread_suspend_check ast_suspend ast_handler ast doreti_ast -# 13662 561098 syzkaller61 - mi_switch sleepq_switch sleepq_catch_signals sleepq_wait_sig _sleep umtxq_sleep do_wait __umtx_op_wait_uint_private sys__umtx_op amd64_syscall fast_syscall_common -# 13662 561160 syzkaller61 - mi_switch thread_suspend_switch thread_single fork1 sys_rfork amd64_syscall fast_syscall_common -# [root@mercat1 /usr/src/tools/test/stress2/misc]# +# "panic: inconsistent boundary count 2" seen. +# Fixed by: 8321d0da2ce2 - main - kern/kern_thread.c: improve assert in thread_single_end() [ `uname -p` != "amd64" ] && exit 0 @@ -276,7 +268,7 @@ void execute_call(int call) { switch (call) { case 0: - NONFAILING(*(uint32_t*)0x20001f00 = 0x16); + NONFAILING(*(uint32_t*)0x20001f00 = 0x16); /* SIGTTOU */ NONFAILING(*(uint32_t*)0x20001f04 = 0); NONFAILING(*(uint32_t*)0x20001f08 = 0); NONFAILING(*(uint32_t*)0x20001f0c = 0); @@ -302,18 +294,16 @@ mycc -o /tmp/syzkaller61 -Wall -Wextra -O0 /tmp/syzkaller61.c -lpthread || (cd ../testcases/swap; ./swap -t 3m -i 10 -l 100 > /dev/null 2>&1) & for i in `jot 300`; do - (cd /tmp; timeout -k 3s 2s ./syzkaller61) & + (cd /tmp; su -m $testuser -c ./syzkaller61) & pids="$pids $!" done sleep 5 -pkill -9 syzkaller61 swap; sleep 1 -pgrep -q syzkaller61 && { pgrep syzkaller61 | xargs ps -lHp; exit 1; } -for pid in $pids; do - wait $pid -done +kill -9 $pids +wait $pids +while pkill -9 syzkaller61; do :; done while pkill swap; do :; done wait rm -rf /tmp/syzkaller61 /tmp/syzkaller61.c /tmp/syzkaller61.core \ /tmp/syzkaller.?????? -exit 0 +exit 0 diff --git a/tools/test/stress2/misc/syzkaller73.sh b/tools/test/stress2/misc/syzkaller73.sh index 776ace385f21..fa07dc7ff26f 100755 --- a/tools/test/stress2/misc/syzkaller73.sh +++ b/tools/test/stress2/misc/syzkaller73.sh @@ -533,5 +533,5 @@ done while pkill swap; do :; done wait -rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core +rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core /tmp/syzkaller.* exit 0 diff --git a/tools/test/stress2/misc/syzkaller74.sh b/tools/test/stress2/misc/syzkaller74.sh index 886c6047585b..0c2b4e1d5325 100755 --- a/tools/test/stress2/misc/syzkaller74.sh +++ b/tools/test/stress2/misc/syzkaller74.sh @@ -465,5 +465,5 @@ mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -lpthread || exit 1 cd /tmp timeout 3m /tmp/$prog > /dev/null 2>&1 -rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core /tmp/$prog.?????? +rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core /tmp/$prog.?????? /tmp/syzkaller.* exit 0 diff --git a/tools/test/stress2/misc/syzkaller84.sh b/tools/test/stress2/misc/syzkaller84.sh new file mode 100755 index 000000000000..a7976be2eeb6 --- /dev/null +++ b/tools/test/stress2/misc/syzkaller84.sh @@ -0,0 +1,402 @@ +#!/bin/sh + +# panic: Assertion !(sb->sb_state & SBS_CANTRCVMORE) failed at ../../../kern/uipc_usrreq.c:1549 +# cpuid = 6 +# time = 1754809105 +# KDB: stack backtrace: +# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0176ef6a80 +# vpanic() at vpanic+0x136/frame 0xfffffe0176ef6bb0 +# panic() at panic+0x43/frame 0xfffffe0176ef6c10 +# uipc_soreceive_stream_or_seqpacket() at uipc_soreceive_stream_or_seqpacket+0x968/frame 0xfffffe0176ef6cd0 +# soreceive() at soreceive+0x45/frame 0xfffffe0176ef6cf0 +# kern_recvit() at kern_recvit+0x181/frame 0xfffffe0176ef6da0 +# sys_recvmsg() at sys_recvmsg+0x67/frame 0xfffffe0176ef6e00 +# amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe0176ef6f30 +# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0176ef6f30 +# --- syscall (0, FreeBSD ELF64, syscall), rip = 0x821d3da8a, rsp = 0x824440f68, rbp = 0x824440f90 --- +# KDB: enter: panic +# [ thread pid 17448 tid 292963 ] +# Stopped at kdb_enter+0x33: movq $0,0x12304a2(%rip) +# db> x/s version +# version: FreeBSD 15.0-PRERELEASE #0 main-n279510-db7c0e32a05d-dirty: Sat Aug 9 17:21:54 CEST 2025 +# pho@mercat1.netperf.freebsd.org:/usr/src/sys/amd64/compile/PHO +# db> + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg +set -u +prog=$(basename "$0" .sh) +cat > /tmp/$prog.c <<EOF +// https://syzkaller.appspot.com/bug?id=79d6de939eb5c7de69e8e4993b6239aa0ae67335 +// autogenerated by syzkaller (https://github.com/google/syzkaller) +// syzbot+ffcc3612ea266e36604e@syzkaller.appspotmail.com + +#define _GNU_SOURCE + +#include <sys/types.h> + +#include <errno.h> +#include <pthread.h> +#include <pwd.h> +#include <signal.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/endian.h> +#include <sys/resource.h> +#include <sys/syscall.h> +#include <sys/wait.h> +#include <time.h> +#include <unistd.h> + +static unsigned long long procid; + +static void kill_and_wait(int pid, int* status) +{ + kill(pid, SIGKILL); + while (waitpid(-1, status, 0) != pid) { + } +} + +static void sleep_ms(uint64_t ms) +{ + usleep(ms * 1000); +} + +static uint64_t current_time_ms(void) +{ + struct timespec ts; + if (clock_gettime(CLOCK_MONOTONIC, &ts)) + exit(1); + return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; +} + +static void thread_start(void* (*fn)(void*), void* arg) +{ + pthread_t th; + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setstacksize(&attr, 128 << 10); + int i = 0; + for (; i < 100; i++) { + if (pthread_create(&th, &attr, fn, arg) == 0) { + pthread_attr_destroy(&attr); + return; + } + if (errno == EAGAIN) { + usleep(50); + continue; + } + break; + } + exit(1); +} + +typedef struct { + pthread_mutex_t mu; + pthread_cond_t cv; + int state; +} event_t; + +static void event_init(event_t* ev) +{ + if (pthread_mutex_init(&ev->mu, 0)) + exit(1); + if (pthread_cond_init(&ev->cv, 0)) + exit(1); + ev->state = 0; +} + +static void event_reset(event_t* ev) +{ + ev->state = 0; +} + +static void event_set(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + if (ev->state) + exit(1); + ev->state = 1; + pthread_mutex_unlock(&ev->mu); + pthread_cond_broadcast(&ev->cv); +} + +static void event_wait(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + while (!ev->state) + pthread_cond_wait(&ev->cv, &ev->mu); + pthread_mutex_unlock(&ev->mu); +} + +static int event_isset(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + int res = ev->state; + pthread_mutex_unlock(&ev->mu); + return res; +} + +static int event_timedwait(event_t* ev, uint64_t timeout) +{ + uint64_t start = current_time_ms(); + uint64_t now = start; + pthread_mutex_lock(&ev->mu); + for (;;) { + if (ev->state) + break; + uint64_t remain = timeout - (now - start); + struct timespec ts; + ts.tv_sec = remain / 1000; + ts.tv_nsec = (remain % 1000) * 1000 * 1000; + pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); + now = current_time_ms(); + if (now - start > timeout) + break; + } + int res = ev->state; + pthread_mutex_unlock(&ev->mu); + return res; +} + +static void sandbox_common() +{ + struct rlimit rlim; + rlim.rlim_cur = rlim.rlim_max = 128 << 20; + setrlimit(RLIMIT_AS, &rlim); + rlim.rlim_cur = rlim.rlim_max = 8 << 20; + setrlimit(RLIMIT_MEMLOCK, &rlim); + rlim.rlim_cur = rlim.rlim_max = 1 << 20; + setrlimit(RLIMIT_FSIZE, &rlim); + rlim.rlim_cur = rlim.rlim_max = 1 << 20; + setrlimit(RLIMIT_STACK, &rlim); + rlim.rlim_cur = rlim.rlim_max = 0; + setrlimit(RLIMIT_CORE, &rlim); + rlim.rlim_cur = rlim.rlim_max = 256; + setrlimit(RLIMIT_NOFILE, &rlim); +} + +static void loop(); + +static int do_sandbox_none(void) +{ + sandbox_common(); + loop(); + return 0; +} + +struct thread_t { + int created, call; + event_t ready, done; +}; + +static struct thread_t threads[16]; +static void execute_call(int call); +static int running; + +static void* thr(void* arg) +{ + struct thread_t* th = (struct thread_t*)arg; + for (;;) { + event_wait(&th->ready); + event_reset(&th->ready); + execute_call(th->call); + __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); + event_set(&th->done); + } + return 0; +} + +static void execute_one(void) +{ + if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { + } + int i, call, thread; + for (call = 0; call < 4; call++) { + for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); + thread++) { + struct thread_t* th = &threads[thread]; + if (!th->created) { + th->created = 1; + event_init(&th->ready); + event_init(&th->done); + event_set(&th->done); + thread_start(thr, th); + } + if (!event_isset(&th->done)) + continue; + event_reset(&th->done); + th->call = call; + __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); + event_set(&th->ready); + event_timedwait(&th->done, 50); + break; + } + } + for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) + sleep_ms(1); +} + +static void execute_one(void); + +#define WAIT_FLAGS 0 + +static void loop(void) +{ +// int iter = 0; + for (;; /*iter++*/) { + int pid = fork(); + if (pid < 0) + exit(1); + if (pid == 0) { + execute_one(); + exit(0); + } + int status = 0; + uint64_t start = current_time_ms(); + for (;;) { + sleep_ms(10); + if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) + break; + if (current_time_ms() - start < 5000) + continue; + kill_and_wait(pid, &status); + break; + } + } +} + +uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; + +void execute_call(int call) +{ + intptr_t res = 0; + switch (call) { + case 0: + // socketpair\$unix arguments: [ + // domain: const = 0x1 (8 bytes) + // type: unix_socket_type = 0x5 (8 bytes) + // proto: const = 0x0 (1 bytes) + // fds: ptr[out, unix_pair] { + // unix_pair { + // fd0: sock_unix (resource) + // fd1: sock_unix (resource) + // } + // } + // ] + res = syscall(SYS_socketpair, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul, + /*proto=*/0, /*fds=*/0x200000000440ul); + if (res != -1) { + r[0] = *(uint32_t*)0x200000000440; + r[1] = *(uint32_t*)0x200000000444; + } + break; + case 1: + // sendmsg arguments: [ + // fd: sock (resource) + // msg: ptr[in, send_msghdr] { + // send_msghdr { + // msg_name: nil + // msg_namelen: len = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // msg_iov: nil + // msg_iovlen: len = 0x0 (8 bytes) + // msg_control: ptr[inout, array[ANYUNION]] { + // array[ANYUNION] { + // union ANYUNION { + // ANYBLOB: buffer: {04 01 00 00 ff ff 00 00 01} (length 0x9) + // } + // } + // } + // msg_controllen: bytesize = 0x104 (8 bytes) + // msg_flags: const = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // } + // } + // f: send_flags = 0x0 (8 bytes) + // ] + *(uint64_t*)0x200000000000 = 0; + *(uint32_t*)0x200000000008 = 0; + *(uint64_t*)0x200000000010 = 0; + *(uint64_t*)0x200000000018 = 0; + *(uint64_t*)0x200000000020 = 0x2000000007c0; + memcpy((void*)0x2000000007c0, "\x04\x01\x00\x00\xff\xff\x00\x00\x01", 9); + *(uint64_t*)0x200000000028 = 0x104; + *(uint32_t*)0x200000000030 = 0; + syscall(SYS_sendmsg, /*fd=*/r[1], /*msg=*/0x200000000000ul, /*f=*/0ul); + for (int i = 0; i < 32; i++) { + syscall(SYS_sendmsg, /*fd=*/r[1], /*msg=*/0x200000000000ul, /*f=*/0ul); + } + break; + case 2: + // close arguments: [ + // fd: fd (resource) + // ] + syscall(SYS_close, /*fd=*/r[1]); + break; + case 3: + // recvmsg arguments: [ + // fd: sock (resource) + // msg: ptr[inout, recv_msghdr] { + // recv_msghdr { + // msg_name: nil + // msg_namelen: len = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // msg_iov: nil + // msg_iovlen: len = 0x0 (8 bytes) + // msg_control: ptr[out, buffer] { + // buffer: (DirOut) + // } + // msg_controllen: len = 0x19 (8 bytes) + // msg_flags: const = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // } + // } + // f: recv_flags = 0x80 (8 bytes) + // ] + *(uint64_t*)0x2000000005c0 = 0; + *(uint32_t*)0x2000000005c8 = 0; + *(uint64_t*)0x2000000005d0 = 0; + *(uint64_t*)0x2000000005d8 = 0; + *(uint64_t*)0x2000000005e0 = 0x200000000580; + *(uint64_t*)0x2000000005e8 = 0x19; + *(uint32_t*)0x2000000005f0 = 0; + syscall(SYS_recvmsg, /*fd=*/r[0], /*msg=*/0x2000000005c0ul, + /*f=MSG_DONTWAIT*/ 0x80ul); + break; + } +} +int main(void) +{ + syscall(SYS_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, + /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, + /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x1012ul, + /*fd=*/(intptr_t)-1, /*offset=*/0ul); + const char* reason; + (void)reason; + for (procid = 0; procid < 4; procid++) { + if (fork() == 0) { + do_sandbox_none(); + } + } + sleep(1000000); + return 0; +} +EOF +mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -pthread || exit 1 + +work=/tmp/$prog.dir +rm -rf $work +mkdir $work +cd /tmp/$prog.dir +kldstat | grep -q sctp || { kldload sctp.ko && loaded=1; } +timeout 3m /tmp/$prog > /dev/null 2>&1 + +rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core $work +[ $loaded ] && kldunload sctp.ko +exit 0 diff --git a/tools/test/stress2/misc/syzkaller85.sh b/tools/test/stress2/misc/syzkaller85.sh new file mode 100755 index 000000000000..1772c0dc58b8 --- /dev/null +++ b/tools/test/stress2/misc/syzkaller85.sh @@ -0,0 +1,499 @@ +#!/bin/sh + +# panic: Assertion uio->uio_resid < 0 failed at ../../../netlink/netlink_domain.c:808 +# cpuid = 8 +# time = 1759044376 +# KDB: stack backtrace: +# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0184d17a70 +# vpanic() at vpanic+0x136/frame 0xfffffe0184d17ba0 +# panic() at panic+0x43/frame 0xfffffe0184d17c00 +# nl_soreceive() at nl_soreceive+0x433/frame 0xfffffe0184d17ca0 +# soreceive() at soreceive+0x45/frame 0xfffffe0184d17cc0 +# kern_recvit() at kern_recvit+0x181/frame 0xfffffe0184d17d70 +# sys_recvfrom() at sys_recvfrom+0xa2/frame 0xfffffe0184d17e00 +# amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe0184d17f30 +# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0184d17f30 +# --- syscall (0, FreeBSD ELF64, syscall), rip = 0x822882cca, rsp = 0x823572e88, rbp = 0x823572f90 --- +# KDB: enter: panic +# [ thread pid 11012 tid 138112 ] +# Stopped at $0,0x121a722(%rip) +# db> x/s version +# version: FreeBSD 16.0-CURRENT #0 main-n280667-52eb7e394a7e-dirty: Sun Sep 28 08:56:14 CEST 2025 +# pho@mercat1.netperf.freebsd.org:/usr/src/sys/amd64/compile/PHO +# db> + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg +set -u +prog=$(basename "$0" .sh) +cat > /tmp/$prog.c <<EOF +// https://syzkaller.appspot.com/bug?id=e33cdff88b17af77553159c4b372cac4e4bcd652 +// autogenerated by syzkaller (https://github.com/google/syzkaller) +// syzbot+194f95f2c5fdffef1ef5@syzkaller.appspotmail.com + +#define _GNU_SOURCE + +#include <sys/types.h> + +#include <dirent.h> +#include <errno.h> +#include <pthread.h> +#include <pwd.h> +#include <setjmp.h> +#include <signal.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/endian.h> +#include <sys/resource.h> +#include <sys/stat.h> +#include <sys/syscall.h> +#include <sys/wait.h> +#include <time.h> +#include <unistd.h> + +static unsigned long long procid; + +static __thread int clone_ongoing; +static __thread int skip_segv; +static __thread jmp_buf segv_env; + +static void segv_handler(int sig, siginfo_t* info, void* ctx __unused) +{ + if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) { + exit(sig); + } + uintptr_t addr = (uintptr_t)info->si_addr; + const uintptr_t prog_start = 1 << 20; + const uintptr_t prog_end = 100 << 20; + int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0; + int valid = addr < prog_start || addr > prog_end; + if (sig == SIGBUS) + valid = 1; + if (skip && valid) { + _longjmp(segv_env, 1); + } + exit(sig); +} + +static void install_segv_handler(void) +{ + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + sa.sa_sigaction = segv_handler; + sa.sa_flags = SA_NODEFER | SA_SIGINFO; + sigaction(SIGSEGV, &sa, NULL); + sigaction(SIGBUS, &sa, NULL); +} + +#define NONFAILING(...) \ + ({ \ + int ok = 1; \ + __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST); \ + if (_setjmp(segv_env) == 0) { \ + __VA_ARGS__; \ + } else \ + ok = 0; \ + __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST); \ + ok; \ + }) + +static void kill_and_wait(int pid, int* status) +{ + kill(pid, SIGKILL); + while (waitpid(-1, status, 0) != pid) { + } +} + +static void sleep_ms(uint64_t ms) +{ + usleep(ms * 1000); +} + +static uint64_t current_time_ms(void) +{ + struct timespec ts; + if (clock_gettime(CLOCK_MONOTONIC, &ts)) + exit(1); + return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; +} + +static void use_temporary_dir(void) +{ + char tmpdir_template[] = "./syzkaller.XXXXXX"; + char* tmpdir = mkdtemp(tmpdir_template); + if (!tmpdir) + exit(1); + if (chmod(tmpdir, 0777)) + exit(1); + if (chdir(tmpdir)) + exit(1); +} + +static void reset_flags(const char* filename) +{ + struct stat st; + if (lstat(filename, &st)) + exit(1); + st.st_flags &= ~(SF_NOUNLINK | UF_NOUNLINK | SF_IMMUTABLE | UF_IMMUTABLE | + SF_APPEND | UF_APPEND); + if (lchflags(filename, st.st_flags)) + exit(1); +} +static void __attribute__((noinline)) remove_dir(const char* dir) +{ + DIR* dp = opendir(dir); + if (dp == NULL) { + if (errno == EACCES) { + if (rmdir(dir)) + exit(1); + return; + } + exit(1); + } + struct dirent* ep = 0; + while ((ep = readdir(dp))) { + if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) + continue; + char filename[FILENAME_MAX]; + snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); + struct stat st; + if (lstat(filename, &st)) + exit(1); + if (S_ISDIR(st.st_mode)) { + remove_dir(filename); + continue; + } + if (unlink(filename)) { + if (errno == EPERM) { + reset_flags(filename); + reset_flags(dir); + if (unlink(filename) == 0) + continue; + } + exit(1); + } + } + closedir(dp); + while (rmdir(dir)) { + if (errno == EPERM) { + reset_flags(dir); + if (rmdir(dir) == 0) + break; + } + exit(1); + } +} + +static void thread_start(void* (*fn)(void*), void* arg) +{ + pthread_t th; + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setstacksize(&attr, 128 << 10); + int i = 0; + for (; i < 100; i++) { + if (pthread_create(&th, &attr, fn, arg) == 0) { + pthread_attr_destroy(&attr); + return; + } + if (errno == EAGAIN) { + usleep(50); + continue; + } + break; + } + exit(1); +} + +typedef struct { + pthread_mutex_t mu; + pthread_cond_t cv; + int state; +} event_t; + +static void event_init(event_t* ev) +{ + if (pthread_mutex_init(&ev->mu, 0)) + exit(1); + if (pthread_cond_init(&ev->cv, 0)) + exit(1); + ev->state = 0; +} + +static void event_reset(event_t* ev) +{ + ev->state = 0; +} + +static void event_set(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + if (ev->state) + exit(1); + ev->state = 1; + pthread_mutex_unlock(&ev->mu); + pthread_cond_broadcast(&ev->cv); +} + +static void event_wait(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + while (!ev->state) + pthread_cond_wait(&ev->cv, &ev->mu); + pthread_mutex_unlock(&ev->mu); +} + +static int event_isset(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + int res = ev->state; + pthread_mutex_unlock(&ev->mu); + return res; +} + +static int event_timedwait(event_t* ev, uint64_t timeout) +{ + uint64_t start = current_time_ms(); + uint64_t now = start; + pthread_mutex_lock(&ev->mu); + for (;;) { + if (ev->state) + break; + uint64_t remain = timeout - (now - start); + struct timespec ts; + ts.tv_sec = remain / 1000; + ts.tv_nsec = (remain % 1000) * 1000 * 1000; + pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); + now = current_time_ms(); + if (now - start > timeout) + break; + } + int res = ev->state; + pthread_mutex_unlock(&ev->mu); + return res; +} + +static void sandbox_common() +{ + struct rlimit rlim; + rlim.rlim_cur = rlim.rlim_max = 128 << 20; + setrlimit(RLIMIT_AS, &rlim); + rlim.rlim_cur = rlim.rlim_max = 8 << 20; + setrlimit(RLIMIT_MEMLOCK, &rlim); + rlim.rlim_cur = rlim.rlim_max = 1 << 20; + setrlimit(RLIMIT_FSIZE, &rlim); + rlim.rlim_cur = rlim.rlim_max = 1 << 20; + setrlimit(RLIMIT_STACK, &rlim); + rlim.rlim_cur = rlim.rlim_max = 0; + setrlimit(RLIMIT_CORE, &rlim); + rlim.rlim_cur = rlim.rlim_max = 256; + setrlimit(RLIMIT_NOFILE, &rlim); +} + +static void loop(); + +static int do_sandbox_none(void) +{ + sandbox_common(); + loop(); + return 0; +} + +struct thread_t { + int created, call; + event_t ready, done; +}; + +static struct thread_t threads[16]; +static void execute_call(int call); +static int running; + +static void* thr(void* arg) +{ + struct thread_t* th = (struct thread_t*)arg; + for (;;) { + event_wait(&th->ready); + event_reset(&th->ready); + execute_call(th->call); + __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); + event_set(&th->done); + } + return 0; +} + +static void execute_one(void) +{ + if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { + } + int i, call, thread; + for (call = 0; call < 3; call++) { + for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); + thread++) { + struct thread_t* th = &threads[thread]; + if (!th->created) { + th->created = 1; + event_init(&th->ready); + event_init(&th->done); + event_set(&th->done); + thread_start(thr, th); + } + if (!event_isset(&th->done)) + continue; + event_reset(&th->done); + th->call = call; + __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); + event_set(&th->ready); + event_timedwait(&th->done, 50); + break; + } + } + for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) + sleep_ms(1); +} + +static void execute_one(void); + +#define WAIT_FLAGS 0 + +static void loop(void) +{ + int iter = 0; + for (;; iter++) { + char cwdbuf[32]; + sprintf(cwdbuf, "./%d", iter); + if (mkdir(cwdbuf, 0777)) + exit(1); + int pid = fork(); + if (pid < 0) + exit(1); + if (pid == 0) { + if (chdir(cwdbuf)) + exit(1); + execute_one(); + exit(0); + } + int status = 0; + uint64_t start = current_time_ms(); + for (;;) { + sleep_ms(10); + if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) + break; + if (current_time_ms() - start < 5000) + continue; + kill_and_wait(pid, &status); + break; + } + remove_dir(cwdbuf); + } +} + +uint64_t r[1] = {0xffffffffffffffff}; + +void execute_call(int call) +{ + intptr_t res = 0; + switch (call) { + case 0: + // socket arguments: [ + // domain: socket_domain = 0x26 (8 bytes) + // type: socket_type = 0x2 (8 bytes) + // proto: int8 = 0x0 (1 bytes) + // ] + // returns sock + res = syscall(SYS_socket, /*domain=AF_INET|0x24*/ 0x26ul, + /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0); + if (res != -1) + r[0] = res; + break; + case 1: + // bind arguments: [ + // fd: sock (resource) + // addr: ptr[in, sockaddr_storage] { + // union sockaddr_storage { + // in6: sockaddr_in6 { + // len: len = 0x22 (1 bytes) + // family: const = 0x1c (1 bytes) + // port: proc = 0x3 (2 bytes) + // flow: int32 = 0x0 (4 bytes) + // addr: union ipv6_addr { + // mcast1: ipv6_addr_multicast1 { + // a0: const = 0xff (1 bytes) + // a1: const = 0x1 (1 bytes) + // a2: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00} (length + // 0xd) a3: const = 0x1 (1 bytes) + // } + // } + // scope: int32 = 0x0 (4 bytes) + // } + // } + // } + // addrlen: len = 0xc (8 bytes) + // ] + NONFAILING(*(uint8_t*)0x200000000040 = 0x22); + NONFAILING(*(uint8_t*)0x200000000041 = 0x1c); + NONFAILING(*(uint16_t*)0x200000000042 = htobe16(0x4e23 + procid * 4)); + NONFAILING(*(uint32_t*)0x200000000044 = 0); + NONFAILING(*(uint8_t*)0x200000000048 = -1); + NONFAILING(*(uint8_t*)0x200000000049 = 1); + NONFAILING(memset((void*)0x20000000004a, 0, 13)); + NONFAILING(*(uint8_t*)0x200000000057 = 1); + NONFAILING(*(uint32_t*)0x200000000058 = 0); + syscall(SYS_bind, /*fd=*/r[0], /*addr=*/0x200000000040ul, + /*addrlen=*/0xcul); + break; + case 2: + // recvfrom\$inet arguments: [ + // fd: sock_in (resource) + // buf: nil + // len: len = 0x51 (8 bytes) + // f: recv_flags = 0x401313ab1a02f21f (8 bytes) + // addr: nil + // addrlen: len = 0x0 (8 bytes) + // ] + syscall(SYS_recvfrom, /*fd=*/r[0], /*buf=*/0ul, /*len=*/0x51ul, + /*f=MSG_PEEK|MSG_OOB|0x401313ab1a02f21c*/ 0x401313ab1a02f21ful, + /*addr=*/0ul, /*addrlen=*/0ul); + break; + } +} +int main(void) +{ + syscall(SYS_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, + /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, + /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x1012ul, + /*fd=*/(intptr_t)-1, /*offset=*/0ul); + const char* reason; + (void)reason; + install_segv_handler(); + for (procid = 0; procid < 4; procid++) { + if (fork() == 0) { + use_temporary_dir(); + do_sandbox_none(); + } + } + sleep(1000000); + return 0; +} +EOF +mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -pthread || exit 1 + +(cd ../testcases/swap; ./swap -t 5m -i 20 -l 100 > /dev/null 2>&1) & +sleep 5 + +work=/tmp/$prog.dir +rm -rf $work +mkdir $work +cd /tmp/$prog.dir + +timeout 5m /tmp/$prog > /dev/null 2>&1 + +while pkill swap; do :; done +wait + +rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core /tmp/syzkaller.?????? $work +exit 0 diff --git a/tools/test/stress2/misc/syzkaller86.sh b/tools/test/stress2/misc/syzkaller86.sh new file mode 100755 index 000000000000..12922a2d05fa --- /dev/null +++ b/tools/test/stress2/misc/syzkaller86.sh @@ -0,0 +1,555 @@ +#!/bin/sh + +# Fatal trap 12: page fault while in kernel mode +# cpuid = 1; apic id = 01 +# fault virtual address = 0x18 +# fault code = supervisor read data, page not present +# instruction pointer = 0x20:0xffffffff80b69835 +# stack pointer = 0x28:0xfffffe00ff8e7d90 +# frame pointer = 0x28:0xfffffe00ff8e7d90 +# code segment = base 0x0, limit 0xfffff, type 0x1b +# = DPL 0, pres 1, long 1, def32 0, gran 1 +# processor eflags = interrupt enabled, resume, IOPL = 0 +# current process = 0 (thread taskq) +# rdi: 0000000000000018 rsi: 0000000000000004 rdx: ffffffff812b3f65 +# rcx: 00000000000008ba r8: fffff800044b8780 r9: fffff80003397000 +# rax: 0000000000000001 rbx: fffff8004221fa00 rbp: fffffe00ff8e7d90 +# r10: 0000000000000001 r11: fffffe00dc47b000 r12: fffffe0177ed0000 +# r13: fffff800044b8780 r14: fffff8004221f800 r15: fffff8004221f800 +# trap number = 12 +# panic: page fault +# cpuid = 1 +# time = 1759322830 +# KDB: stack backtrace: +# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00ff8e7ac0 +# vpanic() at vpanic+0x136/frame 0xfffffe00ff8e7bf0 +# panic() at panic+0x43/frame 0xfffffe00ff8e7c50 +# trap_pfault() at trap_pfault+0x47c/frame 0xfffffe00ff8e7cc0 +# calltrap() at calltrap+0x8/frame 0xfffffe00ff8e7cc0 +# --- trap 0xc, rip = 0xffffffff80b69835, rsp = 0xfffffe00ff8e7d90, rbp = 0xfffffe00ff8e7d90 --- +# __mtx_assert() at __mtx_assert+0x35/frame 0xfffffe00ff8e7d90 +# ktls_check_rx() at ktls_check_rx+0x2f/frame 0xfffffe00ff8e7dd0 +# socantrcvmore() at socantrcvmore+0x5e/frame 0xfffffe00ff8e7df0 +# unp_gc() at unp_gc+0x5df/frame 0xfffffe00ff8e7e40 +# taskqueue_run_locked() at taskqueue_run_locked+0x1c2/frame 0xfffffe00ff8e7ec0 +# taskqueue_thread_loop() at taskqueue_thread_loop+0xd3/frame 0xfffffe00ff8e7ef0 +# fork_exit() at fork_exit+0x82/frame 0xfffffe00ff8e7f30 +# fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00ff8e7f30 +# --- trap 0, rip = 0, rsp = 0, rbp = 0 --- +# KDB: enter: panic +# [ thread pid 0 tid 100045 ] +# Stopped at kdb_enter+0x33: movq $0,0x121a9e2(%rip) +# db> x/s version +# version: FreeBSD 16.0-CURRENT #0 vmfqe-n280784-b7f165e45d6d: Wed Oct 1 13:48:43 CEST 2025 +# pho@mercat1.netperf.freebsd.org:/var/tmp/deviant3/sys/amd64/compile/PHO +# db> + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg +set -u +prog=$(basename "$0" .sh) +cat > /tmp/$prog.c <<EOF +// https://syzkaller.appspot.com/bug?id=ec40fe3e3e2b41218d1d417bc10d0be2517bf751 +// autogenerated by syzkaller (https://github.com/google/syzkaller) +// syzbot+a62883292a5c257703be@syzkaller.appspotmail.com + +#define _GNU_SOURCE + +#include <sys/types.h> + +#include <dirent.h> +#include <errno.h> +#include <pthread.h> +#include <pwd.h> +#include <signal.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/endian.h> +#include <sys/resource.h> +#include <sys/stat.h> +#include <sys/syscall.h> +#include <sys/wait.h> +#include <time.h> +#include <unistd.h> + +static unsigned long long procid; + +static void kill_and_wait(int pid, int* status) +{ + kill(pid, SIGKILL); + while (waitpid(-1, status, 0) != pid) { + } +} + +static void sleep_ms(uint64_t ms) +{ + usleep(ms * 1000); +} + +static uint64_t current_time_ms(void) +{ + struct timespec ts; + if (clock_gettime(CLOCK_MONOTONIC, &ts)) + exit(1); + return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; +} + +static void use_temporary_dir(void) +{ + char tmpdir_template[] = "./syzkaller.XXXXXX"; + char* tmpdir = mkdtemp(tmpdir_template); + if (!tmpdir) + exit(1); + if (chmod(tmpdir, 0777)) + exit(1); + if (chdir(tmpdir)) + exit(1); +} + +static void reset_flags(const char* filename) +{ + struct stat st; + if (lstat(filename, &st)) + exit(1); + st.st_flags &= ~(SF_NOUNLINK | UF_NOUNLINK | SF_IMMUTABLE | UF_IMMUTABLE | + SF_APPEND | UF_APPEND); + if (lchflags(filename, st.st_flags)) + exit(1); +} +static void __attribute__((noinline)) remove_dir(const char* dir) +{ + DIR* dp = opendir(dir); + if (dp == NULL) { + if (errno == EACCES) { + if (rmdir(dir)) + exit(1); + return; + } + exit(1); + } + struct dirent* ep = 0; + while ((ep = readdir(dp))) { + if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) + continue; + char filename[FILENAME_MAX]; + snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); + struct stat st; + if (lstat(filename, &st)) + exit(1); + if (S_ISDIR(st.st_mode)) { + remove_dir(filename); + continue; + } + if (unlink(filename)) { + if (errno == EPERM) { + reset_flags(filename); + reset_flags(dir); + if (unlink(filename) == 0) + continue; + } + exit(1); + } + } + closedir(dp); + while (rmdir(dir)) { + if (errno == EPERM) { + reset_flags(dir); + if (rmdir(dir) == 0) + break; + } + exit(1); + } +} + +static void thread_start(void* (*fn)(void*), void* arg) +{ + pthread_t th; + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setstacksize(&attr, 128 << 10); + int i = 0; + for (; i < 100; i++) { + if (pthread_create(&th, &attr, fn, arg) == 0) { + pthread_attr_destroy(&attr); + return; + } + if (errno == EAGAIN) { + usleep(50); + continue; + } + break; + } + exit(1); +} + +typedef struct { + pthread_mutex_t mu; + pthread_cond_t cv; + int state; +} event_t; + +static void event_init(event_t* ev) +{ + if (pthread_mutex_init(&ev->mu, 0)) + exit(1); + if (pthread_cond_init(&ev->cv, 0)) + exit(1); + ev->state = 0; +} + +static void event_reset(event_t* ev) +{ + ev->state = 0; +} + +static void event_set(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + if (ev->state) + exit(1); + ev->state = 1; + pthread_mutex_unlock(&ev->mu); + pthread_cond_broadcast(&ev->cv); +} + +static void event_wait(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + while (!ev->state) + pthread_cond_wait(&ev->cv, &ev->mu); + pthread_mutex_unlock(&ev->mu); +} + +static int event_isset(event_t* ev) +{ + pthread_mutex_lock(&ev->mu); + int res = ev->state; + pthread_mutex_unlock(&ev->mu); + return res; +} + +static int event_timedwait(event_t* ev, uint64_t timeout) +{ + uint64_t start = current_time_ms(); + uint64_t now = start; + pthread_mutex_lock(&ev->mu); + for (;;) { + if (ev->state) + break; + uint64_t remain = timeout - (now - start); + struct timespec ts; + ts.tv_sec = remain / 1000; + ts.tv_nsec = (remain % 1000) * 1000 * 1000; + pthread_cond_timedwait(&ev->cv, &ev->mu, &ts); + now = current_time_ms(); + if (now - start > timeout) + break; + } + int res = ev->state; + pthread_mutex_unlock(&ev->mu); + return res; +} + +static void sandbox_common() +{ + struct rlimit rlim; + rlim.rlim_cur = rlim.rlim_max = 128 << 20; + setrlimit(RLIMIT_AS, &rlim); + rlim.rlim_cur = rlim.rlim_max = 8 << 20; + setrlimit(RLIMIT_MEMLOCK, &rlim); + rlim.rlim_cur = rlim.rlim_max = 1 << 20; + setrlimit(RLIMIT_FSIZE, &rlim); + rlim.rlim_cur = rlim.rlim_max = 1 << 20; + setrlimit(RLIMIT_STACK, &rlim); + rlim.rlim_cur = rlim.rlim_max = 0; + setrlimit(RLIMIT_CORE, &rlim); + rlim.rlim_cur = rlim.rlim_max = 256; + setrlimit(RLIMIT_NOFILE, &rlim); +} + +static void loop(); + +static int do_sandbox_none(void) +{ + sandbox_common(); + loop(); + return 0; +} + +struct thread_t { + int created, call; + event_t ready, done; +}; + +static struct thread_t threads[16]; +static void execute_call(int call); +static int running; + +static void* thr(void* arg) +{ + struct thread_t* th = (struct thread_t*)arg; + for (;;) { + event_wait(&th->ready); + event_reset(&th->ready); + execute_call(th->call); + __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED); + event_set(&th->done); + } + return 0; +} + +static void execute_one(void) +{ + if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { + } + int i, call, thread; + for (call = 0; call < 8; call++) { + for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0])); + thread++) { + struct thread_t* th = &threads[thread]; + if (!th->created) { + th->created = 1; + event_init(&th->ready); + event_init(&th->done); + event_set(&th->done); + thread_start(thr, th); + } + if (!event_isset(&th->done)) + continue; + event_reset(&th->done); + th->call = call; + __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED); + event_set(&th->ready); + event_timedwait(&th->done, 50); + break; + } + } + for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++) + sleep_ms(1); +} + +static void execute_one(void); + +#define WAIT_FLAGS 0 + +static void loop(void) +{ + int iter = 0; + for (;; iter++) { + char cwdbuf[32]; + sprintf(cwdbuf, "./%d", iter); + if (mkdir(cwdbuf, 0777)) + exit(1); + int pid = fork(); + if (pid < 0) + exit(1); + if (pid == 0) { + if (chdir(cwdbuf)) + exit(1); + execute_one(); + exit(0); + } + int status = 0; + uint64_t start = current_time_ms(); + for (;;) { + sleep_ms(10); + if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) + break; + if (current_time_ms() - start < 5000) + continue; + kill_and_wait(pid, &status); + break; + } + remove_dir(cwdbuf); + } +} + +uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; + +void execute_call(int call) +{ + intptr_t res = 0; + switch (call) { + case 0: + // freebsd10_pipe arguments: [ + // pipefd: ptr[out, pipefd] { + // pipefd { + // rfd: fd (resource) + // wfd: fd (resource) + // } + // } + // ] + res = syscall(SYS_freebsd10_pipe, /*pipefd=*/0x2000000001c0ul); + if (res != -1) + r[0] = *(uint32_t*)0x2000000001c4; + break; + case 1: + // close arguments: [ + // fd: fd (resource) + // ] + syscall(SYS_close, /*fd=*/r[0]); + break; + case 2: + // socket\$unix arguments: [ + // domain: const = 0x1 (8 bytes) + // type: unix_socket_type = 0x5 (8 bytes) + // proto: const = 0x0 (1 bytes) + // ] + // returns sock_unix + res = syscall(SYS_socket, /*domain=*/1ul, /*type=SOCK_SEQPACKET*/ 5ul, + /*proto=*/0); + if (res != -1) + r[1] = res; + break; + case 3: + // bind\$unix arguments: [ + // fd: sock_unix (resource) + // addr: ptr[in, sockaddr_un] { + // union sockaddr_un { + // file: sockaddr_un_file { + // len: len = 0xa (1 bytes) + // family: unix_socket_family = 0x1 (1 bytes) + // path: buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8) + // } + // } + // } + // addrlen: len = 0xa (8 bytes) + // ] + *(uint8_t*)0x2000000002c0 = 0xa; + *(uint8_t*)0x2000000002c1 = 1; + memcpy((void*)0x2000000002c2, "./file1\000", 8); + syscall(SYS_bind, /*fd=*/r[1], /*addr=*/0x2000000002c0ul, + /*addrlen=*/0xaul); + break; + case 4: + // listen arguments: [ + // fd: sock (resource) + // backlog: int32 = 0xfffffffe (4 bytes) + // ] + syscall(SYS_listen, /*fd=*/r[1], /*backlog=*/0xfffffffe); + break; + case 5: + // sendmsg\$unix arguments: [ + // fd: sock_unix (resource) + // msg: ptr[in, msghdr_un] { + // msghdr_un { + // addr: nil + // addrlen: len = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // vec: nil + // vlen: len = 0x0 (8 bytes) + // ctrl: ptr[inout, array[ANYUNION]] { + // array[ANYUNION] { + // union ANYUNION { + // ANYBLOB: buffer: {89 00 00 00 ff ff 00 00 01} (length 0x9) + // } + // } + // } + // ctrllen: bytesize = 0x9 (8 bytes) + // f: send_flags = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // } + // } + // f: send_flags = 0x0 (8 bytes) + // ] + *(uint64_t*)0x200000000080 = 0; + *(uint32_t*)0x200000000088 = 0; + *(uint64_t*)0x200000000090 = 0; + *(uint64_t*)0x200000000098 = 0; + *(uint64_t*)0x2000000000a0 = 0x200000000000; + memcpy((void*)0x200000000000, "\x89\x00\x00\x00\xff\xff\x00\x00\x01", 9); + *(uint64_t*)0x2000000000a8 = 9; + *(uint32_t*)0x2000000000b0 = 0; + syscall(SYS_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0x200000000080ul, + /*f=*/0ul); + break; + case 6: + // socketpair\$unix arguments: [ + // domain: const = 0x1 (8 bytes) + // type: unix_socket_type = 0x2 (8 bytes) + // proto: const = 0x0 (1 bytes) + // fds: ptr[out, unix_pair] { + // unix_pair { + // fd0: sock_unix (resource) + // fd1: sock_unix (resource) + // } + // } + // ] + res = syscall(SYS_socketpair, /*domain=*/1ul, /*type=SOCK_DGRAM*/ 2ul, + /*proto=*/0, /*fds=*/0x200000000040ul); + if (res != -1) + r[2] = *(uint32_t*)0x200000000040; + break; + case 7: + // sendmsg arguments: [ + // fd: sock (resource) + // msg: ptr[in, send_msghdr] { + // send_msghdr { + // msg_name: nil + // msg_namelen: len = 0x32c (4 bytes) + // pad = 0x0 (4 bytes) + // msg_iov: nil + // msg_iovlen: len = 0x0 (8 bytes) + // msg_control: ptr[in, array[cmsghdr]] { + // array[cmsghdr] { + // } + // } + // msg_controllen: bytesize = 0x90 (8 bytes) + // msg_flags: const = 0x0 (4 bytes) + // pad = 0x0 (4 bytes) + // } + // } + // f: send_flags = 0x0 (8 bytes) + // ] + *(uint64_t*)0x200000000380 = 0; + *(uint32_t*)0x200000000388 = 0x32c; + *(uint64_t*)0x200000000390 = 0; + *(uint64_t*)0x200000000398 = 0; + *(uint64_t*)0x2000000003a0 = 0x200000000000; + *(uint64_t*)0x2000000003a8 = 0x90; + *(uint32_t*)0x2000000003b0 = 0; + syscall(SYS_sendmsg, /*fd=*/r[2], /*msg=*/0x200000000380ul, /*f=*/0ul); + break; + } +} +int main(void) +{ + syscall(SYS_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, + /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, + /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x1012ul, + /*fd=*/(intptr_t)-1, /*offset=*/0ul); + const char* reason; + (void)reason; + for (procid = 0; procid < 4; procid++) { + if (fork() == 0) { + use_temporary_dir(); + do_sandbox_none(); + } + } + sleep(1000000); + return 0; +} +EOF +mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -pthread || exit 1 + +work=/tmp/$prog.dir +rm -rf $work +mkdir $work +cd /tmp/$prog.dir +for i in `jot 30`; do + ( + mkdir d$i + cd d$i + timeout 3m /tmp/$prog > /dev/null 2>&1 & + ) +done +while pgrep -q $prog; do sleep 2; done +wait + +rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core $work +exit 0 diff --git a/tools/test/stress2/misc/temp.sh b/tools/test/stress2/misc/temp.sh index 5c1a73cd18e1..4cddd48079ec 100755 --- a/tools/test/stress2/misc/temp.sh +++ b/tools/test/stress2/misc/temp.sh @@ -32,6 +32,10 @@ . ../default.cfg [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 +[ -z "$nfs_export" ] && exit 0 +ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || + exit 0 + export LANG=C dir=/tmp odir=`pwd` @@ -41,10 +45,6 @@ mycc -o temp -Wall -Wextra -O0 -g temp.c || exit 1 rm -f temp.c cd $odir -[ -z "$nfs_export" ] && exit 0 -ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || - exit 0 - mount | grep "on $mntpoint " | grep -q nfs && umount $mntpoint mount -t nfs -o tcp -o retrycnt=3 -o soft -o rw $nfs_export $mntpoint mp2=$mntpoint/temp.`jot -rc 8 a z | tr -d '\n'`/temp.dir 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\""); diff --git a/tools/test/stress2/misc/unionfs7.sh b/tools/test/stress2/misc/unionfs7.sh index 6adcd01a5f83..9c00ba73e5c2 100755 --- a/tools/test/stress2/misc/unionfs7.sh +++ b/tools/test/stress2/misc/unionfs7.sh @@ -61,8 +61,8 @@ set +e mount | grep -E "$mp1|$mp2" set `df -ik $mp2 | tail -1 | awk '{print $4,$7}'` -export KBLOCKS=$(($1 / 4)) -export INODES=$(($2 / 4)) +export KBLOCKS=$(($1 / 6)) +export INODES=$(($2 / 6)) export CTRLDIR=$mp2/stressX.control export INCARNATIONS=10 @@ -95,7 +95,7 @@ export TESTPROGS=`echo $TESTPROGS | sed 's/\n/ /g'` set +e chmod 777 $mp2 su $testuser -c \ - "(cd $mp2/stress2; ./testcases/run/run $TESTPROGS)" + "(cd $mp2/stress2; ./testcases/run/run $TESTPROGS > /dev/null 2>&1)" while mount | grep -Eq "on $mp2 .*unionfs"; do umount $mp2 && break |