failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/main/latest.tmp/key" "root@10.128.1.188" "pwd"]: exit status 255 ssh: connect to host 10.128.1.188 port 22: Operation timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[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 b1430e57-f642-33cf-f595-e15947885f82 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 0x000f2850: 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=0x1774d0 -\|/-\|/-\|/-text=0x1ec6a47 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|text=0x8ed6a4 /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\data=0x7150 |data=0x86fc88+0x588378 /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|syms=[0x8+0x3969d8/-\|/-\|/-\|/-\|/-\|/-\|/-\|/+0x8+0x1ccf26-\|/-\|/-\|/-\] Loading configured modules... |/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|//boot/kernel/filemon.ko -size 0xd920 at 0x3f64000 \|/-\|/-\|/-\|/-\|/-\/boot/kernel/cc_dctcp.ko |size 0x87a8 at 0x3f72000 /-\|/-\|/boot/entropy size=0x1000 /-\|/-\|/-\|/-\|/-\|//boot/kernel/cryptodev.ko -size 0x158f8 at 0x3f7c000 \|/-\|/-\|/-\|//boot/kernel/pf.ko -\|/-\|/-\|/-\|/size 0x1f93c8 at 0x3f92000 -\|/-\|/-\|/-\|/-\|/boot/kernel/sem.ko size 0x10bd8 at 0x418c000 /-\|/-\|/-\|/-\|/-\/boot/kernel/cc_vegas.ko size 0x62d8 at 0x419d000 |/-\|/-\|/-\|/-/boot/kernel/cc_htcp.ko \size 0x7960 at 0x41a4000 |/-\|/-\|/-\|/-\|/-\|/boot/kernel/cc_hd.ko /size 0x60b0 at 0x41ac000 -\|/-\|/-\|/-\|/boot/kernel/cc_chd.ko /size 0x8f30 at 0x41b3000 -\|/-\|/-\|/-\|/boot/kernel/cc_cdg.ko /size 0xdb98 at 0x41bc000 -\|/-\|/-\|/-\|/boot/kernel/cc_cubic.ko /size 0x9788 at 0x41ca000 -\|/-\|/-\|/-\|/boot/kernel/mqueuefs.ko /size 0x26910 at 0x41d4000 -\|/-\|/-\|/-\|/-\|/boot/kernel/ipsec.ko /-\|/size 0x7ea48 at 0x41fb000 -\|/-\|/-\|/-\|/boot/kernel/tcp_bbr.ko /-\|/-\size 0xd58a0 at 0x427a000 |/-\|/-\|/-\|/-\|/-/boot/kernel/tcp_rack.ko \|/-\|/-\|size 0x12e7f8 at 0x4350000 /-\|/-\|/-\|/-\|/-\/boot/kernel/sctp.ko |/-\|/-\|/-\|/-\|/-\|/-\size 0x2e1aa8 at 0x447f000 |/-\|/GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb ---<>--- Copyright (c) 1992-2023 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 14.0-CURRENT amd64 1400094 #0 n264537-b306c604df54: Fri Aug 4 09:39:11 UTC 2023 root@freebsd:/syzkaller/managers/main/kernel/obj/syzkaller/managers/main/kernel/amd64.amd64/sys/SYZKALLER amd64 FreeBSD clang version 16.0.6 (https://github.com/llvm/llvm-project.git llvmorg-16.0.6-0-g7cbf1a259152) 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 (0xffffffff83894ec0) locked @ /syzkaller/managers/main/kernel/sys/vm/vm_page.c:2204 stack backtrace: #0 0xffffffff81612167 at ??+0 #1 0xffffffff81614654 at ??+0 #2 0xffffffff8205b8c8 at ??+0 #3 0xffffffff8205a033 at ??+0 #4 0xffffffff82003678 at ??+0 #5 0xffffffff81dae04c at ??+0 #6 0xffffffff81db2768 at ??+0 #7 0xffffffff81d927ea at ??+0 #8 0xffffffff81d93cd8 at ??+0 #9 0xffffffff81d39a87 at ??+0 #10 0xffffffff81d39105 at ??+0 #11 0xffffffff81d5d3a0 at ??+0 #12 0xffffffff813ea3e7 at ??+0 #13 0xffffffff8037803d at ??+0 Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xfffff7800067ddcc fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff81590e52 stack pointer = 0x28:0xffffffff849787f0 frame pointer = 0x28:0xffffffff849787f0 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: fffffe00033eee60 rsi: 0000000000000000 rdx: ffffffff83898400 rcx: fffff78000000000 r8: 0000000000000000 r9: 0000000000000000 rax: 000000000067ddcc rbx: fffffe00033eee30 rbp: ffffffff849787f0 r10: 0000000000000000 r11: 0000000000000002 r12: fffffe00033eee25 r13: 0000000000000000 r14: 0000000000000000 r15: 0000000000000001 trap number = 12 panic: page fault cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xffffffff84977f10 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xffffffff84978070 vpanic() at vpanic+0x271/frame 0xffffffff84978210 panic() at panic+0xb5/frame 0xffffffff849782d0 trap_fatal() at trap_fatal+0x7ee/frame 0xffffffff849783f0 trap_pfault() at trap_pfault+0x17b/frame 0xffffffff84978530 trap() at trap+0x5f3/frame 0xffffffff84978720 calltrap() at calltrap+0x8/frame 0xffffffff84978720 --- trap 0xc, rip = 0xffffffff81590e52, rsp = 0xffffffff849787f0, rbp = 0xffffffff849787f0 --- __asan_load8_noabort() at __asan_load8_noabort+0x82/frame 0xffffffff849787f0 vm_phys_enq_range() at vm_phys_enq_range+0x2c/frame 0xffffffff84978840 vm_phys_alloc_contig() at vm_phys_alloc_contig+0xd18/frame 0xffffffff84978920 vm_page_find_contig_domain() at vm_page_find_contig_domain+0xfa/frame 0xffffffff84978990 vm_page_alloc_noobj_contig_domain() at vm_page_alloc_noobj_contig_domain+0x178/frame 0xffffffff84978a90 startup_alloc() at startup_alloc+0xe7/frame 0xffffffff84978b10 uma_startup1() at uma_startup1+0x1b5/frame 0xffffffff84978e90 vm_mem_init() at vm_mem_init+0x60/frame 0xffffffff84978eb0 mi_startup() at mi_startup+0x4b7/frame 0xffffffff84978ff0 btext() at btext+0x3d KDB: enter: panic [ thread pid 0 tid 0 ] Stopped at kdb_enter+0x6e: movq $0,0x217c2a7(%rip) db> serialport: Connected to syzkaller.us-central1-c.ci-freebsd-main-test-2 port 1 (session ID: 1369998b53a43824413a7b44e59dcdf607cb9895f51d14b27cc5b4374635b368, active connections: 1).