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stress2: Added two syzkaller reproducers. Updated the exclude file

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This commit is contained in:
Peter Holm
2026-01-24 13:28:54 +01:00
parent 10037d0978
commit 833f9294b4
3 changed files with 531 additions and 0 deletions
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tools/test/stress2/misc/all.exclude
+4
View File
@@ -28,6 +28,9 @@ 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
gunion.sh CAM stuk in vmwait 20251226
ifconfig.sh https://people.freebsd.org/~pho/stress/log/log0626.txt 20251217
ifconfig2.sh Hang in ifnet_de, vlan_sx and sbwait 20250114
lockf5.sh Spinning threads seen 20160718
maxvnodes2.sh https://people.freebsd.org/~pho/stress/log/log0083.txt 20210329
memguard.sh https://people.freebsd.org/~pho/stress/log/log0088.txt 20210402
@@ -71,6 +74,7 @@ syzkaller59.sh Page fault 20220625
syzkaller80.sh panic 20250711
syzkaller82.sh panic: m_apply, length > size of mbuf chain 20250724
syzkaller85.sh panic: Assertion uio->uio_resid < 0 failed 20250928
syzkaller89.sh panic: MNT_DEFERRED requires MNT_RECURSE | MNT_FORCE 20241224
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
tools/test/stress2/misc/syzkaller88.sh
Executable
+317
View File
@@ -0,0 +1,317 @@
#!/bin/sh
# panic: proc_dtor: non-empty p_ktr
# cpuid = 1
# time = 1768834000
# KDB: stack backtrace:
# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0167884910
# vpanic() at vpanic+0x136/frame 0xfffffe0167884a40
# panic() at panic+0x43/frame 0xfffffe0167884aa0
# proc_dtor() at proc_dtor+0x2cb/frame 0xfffffe0167884ae0
# uma_zfree_arg() at uma_zfree_arg+0xaa/frame 0xfffffe0167884b30
# proc_reap() at proc_reap+0x5b0/frame 0xfffffe0167884b70
# proc_to_reap() at proc_to_reap+0x3be/frame 0xfffffe0167884bc0
# kern_wait6() at kern_wait6+0x1ab/frame 0xfffffe0167884c60
# sys_wait6() at sys_wait6+0x9f/frame 0xfffffe0167884e00
# amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe0167884f30
# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0167884f30
# --- syscall (532, FreeBSD ELF64, wait6), rip = 0x3228e1de521a, rsp = 0x3228e0f6e308, rbp = 0x3228e0f6e350 ---
# KDB: enter: panic
# [ thread pid 67906 tid 768579 ]
# Stopped at kdb_enter+0x33: movq $0,0x11e6bc2(%rip)
# db> x/s version
# version: FreeBSD 16.0-CURRENT #0 main-n283239-11f954b021a1-dirty: Sun Jan 18 21:26:45 CET 2026
# pho@mercat1.netperf.freebsd.org:/usr/src/sys/amd64/compile/PHO
# db>
# Fixed by: 6bb3f208617b - main - ktrace: do not enqueue request if the process' ktrioparams are freed
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
set -u
prog=$(basename "$0" .sh)
cat > /tmp/$prog.c <<EOF
// https://syzkaller.appspot.com/bug?id=2212d848f78d472dfeaec7a3cc9f5a31e2a44f42
// autogenerated by syzkaller (https://github.com/google/syzkaller)
// Reported-by: syzbot+25dabe4046a645a0566c@syzkaller.appspotmail.com
#define _GNU_SOURCE
#include <sys/types.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/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 execute_one(void);
#define WAIT_FLAGS 0
static void loop(void)
{
alarm(240); /* Added by pho */
for (;;) {
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[3] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff};
void execute_one(void)
{
intptr_t res = 0;
if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
}
// open\$dir arguments: [
// file: ptr[in, buffer] {
// buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
// }
// flags: open_flags = 0x200 (8 bytes)
// mode: open_mode = 0x19c (8 bytes)
// ]
// returns fd_dir
memcpy((void*)0x200000000040, "./file0\000", 8);
syscall(SYS_open, /*file=*/0x200000000040ul, /*flags=O_CREAT*/ 0x200ul,
/*mode=S_IROTH|S_IXGRP|S_IWGRP|S_IWUSR|S_IRUSR*/ 0x19cul);
// setreuid arguments: [
// ruid: uid (resource)
// euid: uid (resource)
// ]
syscall(SYS_setreuid, /*ruid=*/0xee00, /*euid=*/0);
// chown arguments: [
// file: nil
// uid: uid (resource)
// gid: gid (resource)
// ]
syscall(SYS_chown, /*file=*/0ul, /*uid=*/0, /*gid=*/0);
// kqueue arguments: [
// ]
// returns kqueue
res = syscall(SYS_kqueue);
if (res != -1)
r[0] = res;
// kevent arguments: [
// kqueue: kqueue (resource)
// changelist: ptr[in, array[kevent]] {
// array[kevent] {
// kevent {
// ident: intptr = 0x0 (8 bytes)
// filter: filters = 0xfffffffffffffff9 (2 bytes)
// flags: evflags = 0x8009 (2 bytes)
// fflags: fflags = 0x8 (4 bytes)
// data: int64 = 0xe8c5 (8 bytes)
// udata: intptr = 0x0 (8 bytes)
// ext: array[int64] {
// int64 = 0x7ffffffffc (8 bytes)
// int64 = 0xfffffffffffffffc (8 bytes)
// int64 = 0x7 (8 bytes)
// int64 = 0x40000000000000 (8 bytes)
// }
// }
// }
// }
// nchanges: len = 0x1 (8 bytes)
// eventlist: nil
// nevents: len = 0x0 (8 bytes)
// timeout: nil
// ]
*(uint64_t*)0x200000000040 = 0;
*(uint16_t*)0x200000000048 = 0xfff9;
*(uint16_t*)0x20000000004a = 0x8009;
*(uint32_t*)0x20000000004c = 8;
*(uint64_t*)0x200000000050 = 0xe8c5;
*(uint64_t*)0x200000000058 = 0;
*(uint64_t*)0x200000000060 = 0x7ffffffffc;
*(uint64_t*)0x200000000068 = 0xfffffffffffffffc;
*(uint64_t*)0x200000000070 = 7;
*(uint64_t*)0x200000000078 = 0x40000000000000;
syscall(SYS_kevent, /*kqueue=*/r[0], /*changelist=*/0x200000000040ul,
/*nchanges=*/1ul, /*eventlist=*/0ul, /*nevents=*/0ul,
/*timeout=*/0ul);
// extattr_delete_fd arguments: [
// fd: fd (resource)
// attrnamespace: attrnamespace_flags = 0x0 (8 bytes)
// attrname: ptr[in, buffer] {
// buffer: {27 17 2e 29 23 00} (length 0x6)
// }
// ]
memcpy((void*)0x2000000001c0, "\'\027.)#\000", 6);
syscall(SYS_extattr_delete_fd, /*fd=*/r[0], /*attrnamespace=*/0ul,
/*attrname=*/0x2000000001c0ul);
// freebsd11_mknod arguments: [
// file: ptr[in, buffer] {
// buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
// }
// mod: mknod_mode = 0x1000 (8 bytes)
// dev: int32 = 0x0 (4 bytes)
// ]
memcpy((void*)0x2000000000c0, "./file0\000", 8);
syscall(SYS_freebsd11_mknod, /*file=*/0x2000000000c0ul,
/*mod=S_IFIFO*/ 0x1000ul, /*dev=*/0);
// freebsd10_pipe arguments: [
// pipefd: nil
// ]
syscall(SYS_freebsd10_pipe, /*pipefd=*/0ul);
// ksem_init arguments: [
// idp: ptr[out, semid] {
// semid (resource)
// }
// value: int32 = 0x0 (4 bytes)
// ]
res = syscall(SYS_ksem_init, /*idp=*/0x200000000100ul, /*value=*/0);
if (res != -1)
r[1] = *(uint64_t*)0x200000000100;
// ksem_post arguments: [
// id: semid (resource)
// ]
syscall(SYS_ksem_post, /*id=*/r[1]);
// openat\$bpf arguments: [
// fd: const = 0xffffffffffffff9c (8 bytes)
// file: ptr[in, buffer] {
// buffer: {2f 64 65 76 2f 62 70 66 00} (length 0x9)
// }
// flags: open_flags = 0x40 (8 bytes)
// mode: const = 0x0 (8 bytes)
// ]
// returns fd_bpf
memcpy((void*)0x200000000040, "/dev/bpf\000", 9);
syscall(SYS_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000040ul,
/*flags=FASYNC*/ 0x40ul, /*mode=*/0ul);
// kqueue arguments: [
// ]
// returns kqueue
res = syscall(SYS_kqueue);
if (res != -1)
r[2] = res;
// kevent arguments: [
// kqueue: kqueue (resource)
// changelist: nil
// nchanges: len = 0x0 (8 bytes)
// eventlist: nil
// nevents: len = 0x0 (8 bytes)
// timeout: nil
// ]
syscall(SYS_kevent, /*kqueue=*/r[2], /*changelist=*/0ul, /*nchanges=*/0ul,
/*eventlist=*/0ul, /*nevents=*/0ul, /*timeout=*/0ul);
// ktrace arguments: [
// path: ptr[in, buffer] {
// buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
// }
// ops: ktrace_ops = 0x4 (8 bytes)
// trpoints: ktrace_trpoints = 0x94659db2cce5c9d8 (8 bytes)
// pid: pid (resource)
// ]
memcpy((void*)0x2000000000c0, "./file0\000", 8);
syscall(
SYS_ktrace, /*path=*/0x2000000000c0ul, /*ops=KTRFLAG_DESCEND*/ 4ul,
/*trpoints=KTRFAC_INHERIT|KTRFAC_FAULTEND|KTRFAC_PROCDTOR|KTRFAC_STRUCT|KTRFAC_USER|KTRFAC_CSW|KTRFAC_GENIO|0x94659db28ce58008*/
0x94659db2cce5c9d8ul, /*pid=*/0);
// rfork arguments: [
// flags: rfork_flags = 0x96014 (8 bytes)
// ]
syscall(SYS_rfork,
/*flags=RFLINUXTHPN|RFTSIGZMB|RFSIGSHARE|RFTHREAD|RFFDG|RFPROC*/
0x96014ul);
// ktrace arguments: [
// path: ptr[in, buffer] {
// buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8)
// }
// ops: ktrace_ops = 0x2 (8 bytes)
// trpoints: ktrace_trpoints = 0x180 (8 bytes)
// pid: pid (resource)
// ]
memcpy((void*)0x200000000000, "./file0\000", 8);
syscall(SYS_ktrace, /*path=*/0x200000000000ul, /*ops=KTROP_CLEARFILE*/ 2ul,
/*trpoints=KTRFAC_STRUCT|KTRFAC_USER*/ 0x180ul, /*pid=*/0);
}
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) {
loop();
}
}
sleep(1000000);
return 0;
}
EOF
mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -lpthread || exit 1
(cd ../testcases/swap; ./swap -t 3m -i 30 -l 100 > /dev/null 2>&1) &
sleep 5
kldstat | grep -q sem && loaded=0 || { kldload sem.ko && loaded=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 $prog; do sleep 2; done
while pkill swap; do :; done
wait
rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core $work
[ $loaded -eq 1 ] && kldunload sem.ko
exit 0
tools/test/stress2/misc/syzkaller89.sh
Executable
+210
View File
@@ -0,0 +1,210 @@
#!/bin/sh
# panic: MNT_DEFERRED requires MNT_RECURSE | MNT_FORCE
# cpuid = 6
# time = 1766415391
# KDB: stack backtrace:
# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe01003ffaf0
# vpanic() at vpanic+0x136/frame 0xfffffe01003ffc20
# panic() at panic+0x43/frame 0xfffffe01003ffc80
# dounmount() at dounmount+0xa49/frame 0xfffffe01003ffcf0
# kern_unmount() at kern_unmount+0x30c/frame 0xfffffe01003ffe00
# amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe01003fff30
# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01003fff30
# --- syscall (0, FreeBSD ELF64, syscall), rip = 0x8227c1c1a, rsp = 0x8204589e8, rbp = 0x820458a50 ---
# KDB: enter: panic
# [ thread pid 67901 tid 1052310 ]
# Stopped at kdb_enter+0x33: movq $0,0x12132c2(%rip)
# db> x/s version
# version:FreeBSD 16.0-CURRENT #1 vmfqe-n282663-949b0dac6c83: Sun Dec 21 12:59:23 CET 2025
# pho@mercat1.netperf.freebsd.org:/var/tmp/deviant3/sys/amd64/compile/PHO\
[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
. ../default.cfg
set -u
prog=$(basename "$0" .sh)
cat > /tmp/$prog.c <<EOF
// https://syzkaller.appspot.com/bug?id=e5807bfa71ca13538ae5c94e160b0c959a40750d
// autogenerated by syzkaller (https://github.com/google/syzkaller)
// syzbot+1967136cd02c22bc6f0d@syzkaller.appspotmail.com
#define _GNU_SOURCE
#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/syscall.h>
#include <unistd.h>
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; \
})
uint64_t r[1] = {0xffffffffffffffff};
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();
intptr_t res = 0;
if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
}
// openat\$crypto arguments: [
// fd: const = 0xffffffffffffff9c (8 bytes)
// file: ptr[in, buffer] {
// buffer: {2f 64 65 76 2f 63 72 79 70 74 6f 00} (length 0xc)
// }
// flags: open_flags = 0x200 (8 bytes)
// mode: const = 0x0 (8 bytes)
// ]
// returns fd_crypto
NONFAILING(memcpy((void*)0x200000000040, "/dev/crypto\000", 12));
res = syscall(SYS_openat, /*fd=*/0xffffffffffffff9cul,
/*file=*/0x200000000040ul, /*flags=O_CREAT*/ 0x200ul,
/*mode=*/0ul);
if (res != -1)
r[0] = res;
// freebsd11_fstatfs arguments: [
// fd: fd (resource)
// buf: ptr[out, freebsd11_statfs] {
// freebsd11_statfs {
// version: int32 = 0x0 (4 bytes)
// type: int32 = 0x0 (4 bytes)
// flags: mount_flags = 0x0 (8 bytes)
// bsize: int64 = 0x0 (8 bytes)
// iosize: int64 = 0x0 (8 bytes)
// blocks: int64 = 0x0 (8 bytes)
// bfree: int64 = 0x0 (8 bytes)
// bavail: int64 = 0x0 (8 bytes)
// files: int64 = 0x0 (8 bytes)
// ffree: int64 = 0x0 (8 bytes)
// syncwrites: int64 = 0x0 (8 bytes)
// asyncwrites: int64 = 0x0 (8 bytes)
// syncreads: int64 = 0x0 (8 bytes)
// asyncreads: int64 = 0x0 (8 bytes)
// spare: array[int64] {
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// int64 = 0x0 (8 bytes)
// }
// namemax: int32 = 0x0 (4 bytes)
// owner: uid (resource)
// fsid: fsid {
// val: array[int32] {
// int32 = 0x0 (4 bytes)
// int32 = 0x0 (4 bytes)
// }
// }
// cspare: buffer: (DirOut)
// fstype: buffer: (DirOut)
// mnton: buffer: (DirOut)
// mntfrom: buffer: (DirOut)
// }
// }
// ]
syscall(SYS_freebsd11_fstatfs, /*fd=*/r[0], /*buf=*/0x200000000080ul);
// mprotect arguments: [
// addr: VMA[0x4000]
// len: len = 0x4000 (8 bytes)
// prot: mmap_prot = 0x1 (8 bytes)
// ]
syscall(SYS_mprotect, /*addr=*/0x200000000000ul, /*len=*/0x4000ul,
/*prot=PROT_READ*/ 1ul);
// unmount arguments: [
// path: ptr[in, buffer] {
// buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
// }
// flags: mount_flags = 0xc40006c8 (8 bytes)
// ]
NONFAILING(memcpy((void*)0x200000000200, "./file1\000", 8));
syscall(
SYS_unmount, /*path=*/0x200000000200ul,
/*flags=MNT_EXPORTANON|MNT_DEFEXPORTED|MNT_EXRDONLY|MNT_MULTILABEL|MNT_NOCLUSTERW|MNT_NOCLUSTERR|MNT_ASYNC|0x8*/
0xc40006c8ul);
return 0;
}
EOF
mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -lpthread || exit 1
(cd ../testcases/swap; ./swap -t 3m -i 30 -l 100 > /dev/null 2>&1) &
sleep 5
kldstat | grep -q cryptodev && loaded=0 || { kldload cryptodev.ko && loaded=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 $prog; do sleep 2; done
while pkill swap; do :; done
wait
rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core $work
[ $loaded -eq 1 ] && kldunload cryptodev.ko
exit 0