last executing test programs: kernel console output (not intermixed with test programs): failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/i386/latest.tmp/key" "root@10.128.0.231" "pwd"]: exit status 255 ssh: connect to host 10.128.0.231 port 22: Operation timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000080000000 = 2048 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 944126e2-3b0d-6024-be38-f329130ac6bc found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=6291456 = 3072 MiB drive 0x000f27c0: PCHS=0/0/0 translation=lba LCHS=780/128/63 s=6291456 Sending Seabios boot VM event. Booting from Hard Disk 0... Loading /boot/loader.conf.local -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/Loading kernel... -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|//boot/kernel/kernel text=0x17ecd8 -\|/-\|/-\|/-text=0x1edfe97 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/text=0x90da94 -\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/data=0x71c0+0xe40 -data=0x899fb0+0x566050 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\syms=[0x8+0x3a7028|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/+0x8+0x1dc9a4-\|/-\|/-\|/-\] Loading configured modules... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\/boot/kernel/tcp_bbr.ko |/-\|/-\size 0xe2200 at 0x4184000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/sem.ko /size 0x10c08 at 0x4267000 -\|/-\|/-\|/-\|/serialport: Connected to syzkaller.us-central1-b.ci-freebsd-i386-test-1 port 1 (session ID: 2ad8aca7f1bb085343afb8bbf8bb5210af73b579a76fd05a1d38ea48ebc5248a, active connections: 1). -\|/-/boot/kernel/cc_vegas.ko \size 0x62d8 at 0x4278000 |/-\|/-\|/-\|/-/boot/kernel/cc_htcp.ko size 0x7a80 at 0x427f000 \|/-\|/-\|/-\|/-\|//boot/kernel/ipsec.ko -\|/-size 0x7fd88 at 0x4287000 \|/-\|/-\|/-\|//boot/kernel/cc_hd.ko -size 0x6010 at 0x4307000 \|/-\|/-\|/boot/entropy size=0x1000 /-\|/-\|/-\|/-\/boot/kernel/mqueuefs.ko |/size 0x26ca8 at 0x430f000 -\|/-\|/-\|/-\|/-\|/-/boot/kernel/cc_chd.ko \size 0x8e98 at 0x4336000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/sctp.ko /-\|/-\|/-\|/-\|/-\|/-\|size 0x2e4bf8 at 0x433f000 /-\|/-\|/-\|/-\|/-\/boot/kernel/filemon.ko size 0xd920 at 0x4624000 |/-\|/-\|/-\|/-\|/-/boot/kernel/cryptodev.ko \size 0x15910 at 0x4632000 |/-\|/-\|/-\|/-/boot/kernel/cc_cubic.ko \size 0x9908 at 0x4648000 |/-\|/-\|/-\|/-/boot/kernel/tcp_rack.ko \|/-\|/-\|/-size 0x154110 at 0x4652000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/cc_cdg.ko |size 0xdb48 at 0x47a7000 /-\|/-\|/-\|/-\|/-\|//boot/kernel/pf.ko -\|/-\|/-\|/-\|/-\|size 0x2263c8 at 0x47b5000 /-\|/-\|/-\|/-\/boot/kernel/cc_dctcp.ko |size 0x8988 at 0x49dc000 /-\|GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb ---<>--- Copyright (c) 1992-2024 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 15.0-CURRENT #0 n270762-4fd5b8aed896: Fri Jun 14 16:54:10 UTC 2024 root@freebsd:/syzkaller/managers/i386/kernel/obj/syzkaller/managers/i386/kernel/amd64.amd64/sys/SYZKALLER amd64 FreeBSD clang version 18.1.6 (https://github.com/llvm/llvm-project.git llvmorg-18.1.6-0-g1118c2e05e67) WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. kernel trap 12 with interrupts disabled Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex vm page free queue (vm page free queue) r = 0 (0xffffffff83aa50c0) locked @ /syzkaller/managers/i386/kernel/sys/vm/vm_page.c:842 stack backtrace: #0 0xffffffff815fdae6 at ??+0 #1 0xffffffff815fff34 at ??+0 #2 0xffffffff8208ef07 at ??+0 #3 0xffffffff8208d6c8 at ??+0 #4 0xffffffff82036298 at ??+0 #5 0xffffffff81d94c05 at ??+0 #6 0xffffffff81dbc811 at ??+0 #7 0xffffffff81d964d5 at ??+0 #8 0xffffffff81d665bd at ??+0 #9 0xffffffff813ce079 at ??+0 #10 0xffffffff8037f03d at ??+0 Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xfffff7800067ddca fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff81578703 stack pointer = 0x28:0xffffffff84bfdce0 frame pointer = 0x28:0xffffffff84bfdce0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = resume, IOPL = 0 current process = 0 () rdi: fffffe00033eee50 rsi: 0000000000000007 rdx: 000000000067ddca rcx: fffffe00033eee57 r8: 0000000000000000 r9: 0000000000000000 rax: fffff78000000000 rbx: fffffe00033eee30 rbp: ffffffff84bfdce0 r10: 0000000000000000 r11: 0000000000000000 r12: 000000007fd5f000 r13: ffffffff83aa8880 r14: 0000000000000000 r15: 0000000000000005 trap number = 12 panic: page fault cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xffffffff84bfd410 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xffffffff84bfd570 vpanic() at vpanic+0x280/frame 0xffffffff84bfd730 panic() at panic+0xb5/frame 0xffffffff84bfd7f0 trap_fatal() at trap_fatal+0x7f2/frame 0xffffffff84bfd910 trap_pfault() at trap_pfault+0x179/frame 0xffffffff84bfda30 trap() at trap+0x648/frame 0xffffffff84bfdc10 calltrap() at calltrap+0x8/frame 0xffffffff84bfdc10 --- trap 0xc, rip = 0xffffffff81578703, rsp = 0xffffffff84bfdce0, rbp = 0xffffffff84bfdce0 --- __asan_store8_noabort() at __asan_store8_noabort+0x83/frame 0xffffffff84bfdce0 vm_page_init_page() at vm_page_init_page+0x25/frame 0xffffffff84bfdd10 vm_phys_enqueue_contig() at vm_phys_enqueue_contig+0x6f1/frame 0xffffffff84bfdd90 vm_page_startup() at vm_page_startup+0x1805/frame 0xffffffff84bfdeb0 vm_mem_init() at vm_mem_init+0x2d/frame 0xffffffff84bfded0 mi_startup() at mi_startup+0x2d9/frame 0xffffffff84bfdff0 KDB: enter: panic [ thread pid 0 tid 0 ] Stopped at kdb_enter+0x6e: movq $0,0x23cd5c7(%rip) db>