The branch main has been updated by pho:
URL:
https://cgit.FreeBSD.org/src/commit/?id=d6ee73e5ad271638d54932479b7f2a31e74e78ad
commit d6ee73e5ad271638d54932479b7f2a31e74e78ad
Author: Peter Holm <p...@freebsd.org>
AuthorDate: 2025-07-16 10:29:07 +0000
Commit: Peter Holm <p...@freebsd.org>
CommitDate: 2025-07-16 10:31:04 +0000
stress2: Added syzkaller reproducers. Update the exclude list
---
tools/test/stress2/misc/all.exclude | 8 +-
tools/test/stress2/misc/syzkaller80.sh | 320 +++++++++++++++++++++++++++++++++
tools/test/stress2/misc/syzkaller81.sh | 72 ++++++++
3 files changed, 398 insertions(+), 2 deletions(-)
diff --git a/tools/test/stress2/misc/all.exclude
b/tools/test/stress2/misc/all.exclude
index f8a5ea4a91f1..54524c92eac0 100644
--- a/tools/test/stress2/misc/all.exclude
+++ b/tools/test/stress2/misc/all.exclude
@@ -16,8 +16,6 @@ fsck12.sh Waiting for fix
20230319
fsync.sh panic: Journal overflow
20190208
fuse.sh
https://people.freebsd.org/~pho/stress/log/log0546.txt 20240828
fuse2.sh https://people.freebsd.org/~pho/stress/log/log0547.txt
20240828
-getrandom.sh Known DoS issue
20201107
-getrandom2.sh Known DoS issue
20200302
gjournal.sh panic: Journal overflow
20190626
gjournal2.sh panic: Journal overflow
20180125
gjournal3.sh panic: Bio not on queue
20171225
@@ -34,6 +32,7 @@ maxvnodes2.sh
https://people.freebsd.org/~pho/stress/log/log0083.txt 20210329
memguard.sh https://people.freebsd.org/~pho/stress/log/log0088.txt
20210402
memguard2.sh Waiting for fix commit
memguard3.sh Waiting for fix commit
+mount7.sh https://people.freebsd.org/~pho/stress/log/log0549.txt
20240912
mlockall2.sh Unrecoverable OOM killing seen
20190203
mlockall6.sh https://people.freebsd.org/~pho/stress/log/log0430.txt
20230403
mlockall7.sh Needs further investigation
20210123
@@ -46,6 +45,7 @@ nfs16.sh panic: Failed to register NFS lock
locally - error=11 20160608
nullfs28.sh Hang in "mount drain" seen
20220111
oom2.sh Hang in pfault
20180324
overcommit2.sh CAM stuck in vmwait seen
20200112
+pmc4.sh
https://people.freebsd.org/~pho/stress/log/log0548.txt 20240904
pmc8.sh panic: [pmc,2749] (ri21, rc1) waiting too long
for pmc to ... 20210621
rename14.sh https://people.freebsd.org/~pho/stress/log/log0433.txt
20230409
sctp2.sh panic: Queues are not empty when handling
SHUTDOWN-COMPLETE 20210211
@@ -71,8 +71,12 @@ syzkaller59.sh Page fault
20220625
syzkaller65.sh panic: in_pcblookup_hash_locked: invalid local address
20230318
syzkaller66.sh panic: in_pcbconnect: inp is already connected
20230621
syzkaller67.sh panic: ASan: Invalid access, 8-byte read at ...
20230621
+syzkaller80.sh panic
20250711
+syzkaller81.sh panic
20250711
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/syzkaller80.sh
b/tools/test/stress2/misc/syzkaller80.sh
new file mode 100755
index 000000000000..31eae210d5b3
--- /dev/null
+++ b/tools/test/stress2/misc/syzkaller80.sh
@@ -0,0 +1,320 @@
+#!/bin/sh
+
+# panic: ../../../kern/uipc_usrreq.c:1256: uipc_sosend_stream_or_seqpacket:
Empty stailq 0xfffffe00ffe5fc88->stqh_last is 0xfffffe00ffe5fcd0, not head's
first field address
+# cpuid = 5
+# time = 1749593630
+# KDB: stack backtrace:
+# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe00ffe5fab0
+# vpanic() at vpanic+0x136/frame 0xfffffe00ffe5fbe0
+# panic() at panic+0x43/frame 0xfffffe00ffe5fc40
+# uipc_sosend_stream_or_seqpacket() at
uipc_sosend_stream_or_seqpacket+0xa39/frame 0xfffffe00ffe5fd10
+# sousrsend() at sousrsend+0x79/frame 0xfffffe00ffe5fd70
+# dofilewrite() at dofilewrite+0x81/frame 0xfffffe00ffe5fdc0
+# sys_writev() at sys_writev+0x69/frame 0xfffffe00ffe5fe00
+# amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe00ffe5ff30
+# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00ffe5ff30
+# --- syscall (0, FreeBSD ELF64, syscall), rip = 0x82330181a, rsp =
0x8238dbf68, rbp = 0x8238dbf90 ---
+# KDB: enter: panic
+# [ thread pid 4484 tid 101524 ]
+# Stopped at kdb_enter+0x33: movq $0,0x122ebc2(%rip)
+# db> x/s version
+# version: FreeBSD 15.0-CURRENT #0 main-n277833-948078b65c27-dirty: Tue Jun 10
06:01:36 CEST 2025
+# p...@mercat1.netperf.freebsd.org:/usr/src/sys/amd64/compile/PHO
+# db>
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+set -u
+prog=$(basename "$0" .sh)
+cat > /tmp/$prog.c <<EOF
+//
https://syzkaller.appspot.com/bug?id=210ae0bfcef6324abfffbfaf10120b767106a990
+// autogenerated by syzkaller (https://github.com/google/syzkaller)
+// syzbot+cfcb8520b0071b548...@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/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;
+}
+
+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 < 5; 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);
+ if (call == 2)
+ break;
+ 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:
+ res = syscall(SYS_socketpair, /*domain=*/1ul, /*type=SOCK_STREAM*/ 1ul,
+ /*proto=*/0, /*fds=*/0x200000000040ul);
+ if (res != -1) {
+ r[0] = *(uint32_t*)0x200000000040;
+ r[1] = *(uint32_t*)0x200000000044;
+ }
+ break;
+ case 1:
+ memcpy((void*)0x200000000100, "\x09\x00\x10\x00", 4);
+ syscall(SYS_setsockopt, /*fd=*/r[1], /*level=*/0, /*optname=*/3,
+ /*optval=*/0x200000000100ul, /*optlen=*/4ul);
+ break;
+ case 2:
+ *(uint64_t*)0x2000000018c0 = 0;
+ *(uint32_t*)0x2000000018c8 = 0;
+ *(uint64_t*)0x2000000018d0 = 0;
+ *(uint64_t*)0x2000000018d8 = 0;
+ *(uint64_t*)0x2000000018e0 = 0x200000001880;
+ memcpy((void*)0x200000001880, "\x10\x00\x00\x00\xff\xff\x00\x00\x06", 9);
+ *(uint64_t*)0x2000000018e8 = 0x10;
+ *(uint32_t*)0x2000000018f0 = 0;
+ syscall(SYS_sendmsg, /*fd=*/r[0], /*msg=*/0x2000000018c0ul, /*f=*/0ul);
+ for (int i = 0; i < 64; i++) {
+ syscall(SYS_sendmsg, /*fd=*/r[0], /*msg=*/0x2000000018c0ul, /*f=*/0ul);
+ }
+ break;
+ case 3:
+ syscall(SYS_writev, /*fd=*/r[0], /*vec=*/0ul, /*vlen=*/0ul);
+ for (int i = 0; i < 64; i++) {
+ syscall(SYS_writev, /*fd=*/r[0], /*vec=*/0ul, /*vlen=*/0ul);
+ }
+ break;
+ case 4:
+ syscall(SYS_setsockopt, /*fd=*/(intptr_t)-1, /*level=*/0, /*optname=*/0xa,
+ /*optval=*/0ul, /*optlen=*/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) {
+ loop();
+ }
+ }
+ sleep(1000000);
+ return 0;
+}
+EOF
+mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c -lpthread || exit 1
+
+work=/tmp/$prog.dir
+rm -rf $work
+mkdir $work
+cd /tmp/$prog.dir
+timeout 3m /tmp/$prog > /dev/null 2>&1
+
+rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core /tmp/$prog.?????? $work
+exit 0
diff --git a/tools/test/stress2/misc/syzkaller81.sh
b/tools/test/stress2/misc/syzkaller81.sh
new file mode 100755
index 000000000000..e3e4ec50aeea
--- /dev/null
+++ b/tools/test/stress2/misc/syzkaller81.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+# panic: kern_clock_gettime: 22
+# cpuid = 1
+# time = 1750181240
+# KDB: stack backtrace:
+# db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
0xfffffe01a6084ba0
+# vpanic() at vpanic+0x136/frame 0xfffffe01a6084cd0
+# panic() at panic+0x43/frame 0xfffffe01a6084d30
+# kern_clock_nanosleep() at kern_clock_nanosleep+0x38f/frame 0xfffffe01a6084db0
+# sys_clock_nanosleep() at sys_clock_nanosleep+0x49/frame 0xfffffe01a6084e00
+# amd64_syscall() at amd64_syscall+0x169/frame 0xfffffe01a6084f30
+# fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01a6084f30
+# --- syscall (0, FreeBSD ELF64, syscall), rip = 0x8233d281a, rsp =
0x820bfb2b8, rbp = 0x820bfb2e0 ---
+# KDB: enter: panic
+# [ thread pid 26119 tid 104417 ]
+# Stopped at kdb_enter+0x33: movq $0,0x122a7b2(%rip)
+# db> x/s version
+# version: FreeBSD 15.0-CURRENT #1 ufs-n278031-3296ff02387b: Tue Jun 17
16:40:44 CEST 2025
+# p...@mercat1.netperf.freebsd.org:/var/tmp/deviant3/sys/amd64/compile/PHO
+# db>
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+
+. ../default.cfg
+set -u
+prog=$(basename "$0" .sh)
+cat > /tmp/$prog.c <<EOF
+//
https://syzkaller.appspot.com/bug?id=5eb7636bc26fcbd20412de35ec10944233b8577d
+// autogenerated by syzkaller (https://github.com/google/syzkaller)
+// syzbot+e17e46b1f0b65027b...@syzkaller.appspotmail.com
+
+#define _GNU_SOURCE
+
+#include <pwd.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>
+
+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;
+ if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
+ }
+ *(uint64_t*)0x200000000040 = 0x10000000000;
+ *(uint64_t*)0x200000000048 = 0x4000000;
+ syscall(SYS_clock_nanosleep, /*id=*/0x10ul, /*flags=TIMER_ABSTIME*/ 1ul,
+ /*rqtp=*/0x200000000040ul, /*rmtp=*/0ul);
+ return 0;
+}
+EOF
+mycc -o /tmp/$prog -Wall -Wextra -O0 /tmp/$prog.c || exit 1
+
+work=/tmp/$prog.dir
+rm -rf $work
+mkdir $work
+cd /tmp/$prog.dir
+timeout 3m /tmp/$prog > /dev/null 2>&1
+
+rm -rf /tmp/$prog /tmp/$prog.c /tmp/$prog.core /tmp/$prog.?????? $work
+exit 0
