kernel: protection fault trap, code=0 Stopped at ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace ktrops(ffff80002a674560,deaf4152deaf4152,0,80000310,fffffd805bd3a478,fffffd807f7d75b0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a674560,deaf4152deaf4152,0,80000310,fffffd805bd3a478,fffffd807f7d75b0) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd805bd3a478,4,310,0,ffff80002a674560) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd805bd3a478,4,310,0,ffff80002a674560) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a674560,ffff8000343d1a40,ffff8000343d1a80) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000343d1b40) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdece8287a40, count: -5 ddb> show registers rdi 0xffff80002a674560 rsi 0xdeaf4152deaf4152 rbp 0xffff8000343d1830 rbx 0xdeaf4152deaf4152 rdx 0 rcx 0x80000310 __kernel_virt_to_phys+0x310 rax 0xffff80002a674560 r8 0xfffffd805bd3a478 r9 0xfffffd807f7d75b0 r10 0x3b1934af7e67b943 r11 0x8717df0ed4739a23 r12 0xdeaf4152deaf4152 r13 0xfffffd807f7d75b0 r14 0xffff80002a674560 r15 0x80000310 __kernel_virt_to_phys+0x310 rip 0xffffffff81a7799e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000343d17b0 ss 0 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.0) tid=255723 pid=56265 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=69, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a674808,0xffffffff82dc8ea8 process=0xffff8000315a2e28 user=0xffff8000343cc000, vmspace=0xfffffd8069a40850 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 56265 147957 3754 0 3 0x80 fsleep syz-executor.0 *56265 255723 3754 0 7 0x4000000 syz-executor.0 89207 98947 0 0 3 0x14280 nfsidl nfsio 39160 513969 0 0 3 0x14280 nfsidl nfsio 58510 358844 0 0 3 0x14280 nfsidl nfsio 16992 371272 0 0 3 0x14280 nfsidl nfsio 85846 463218 0 0 3 0x14280 nfsidl nfsio 79062 4287 0 0 3 0x14280 nfsidl nfsio 98625 373838 0 0 3 0x14280 nfsidl nfsio 651 329459 0 0 3 0x14280 nfsidl nfsio 74986 121938 0 0 3 0x14280 nfsidl nfsio 68629 397561 0 0 3 0x14280 nfsidl nfsio 24594 450398 0 0 3 0x14280 nfsidl nfsio 36168 310948 0 0 3 0x14280 nfsidl nfsio 83949 291969 0 0 3 0x14280 nfsidl nfsio 97780 27305 0 0 3 0x14280 nfsidl nfsio 9560 421082 0 0 3 0x14280 nfsidl nfsio 74212 177050 0 0 3 0x14280 nfsidl nfsio 99255 268253 0 0 3 0x14280 nfsidl nfsio 16506 328408 0 0 3 0x14280 nfsidl nfsio 95910 185235 0 0 3 0x14280 nfsidl nfsio 35267 106542 0 0 3 0x14280 nfsidl nfsio 87552 74384 59953 0 3 0x80 fsleep syz-executor.5 87552 174218 59953 0 3 0x4000080 netio syz-executor.5 87552 34807 59953 0 3 0x4000080 fsleep syz-executor.5 39265 497583 89573 0 3 0x82 nanoslp syz-executor.6 59953 55279 89573 0 2 0x482 syz-executor.5 81420 14739 89573 0 2 0x482 syz-executor.4 20934 338688 89573 0 3 0x82 nanoslp syz-executor.7 63154 321371 89573 0 2 0x2 syz-executor.3 88827 155233 89573 0 2 0x482 syz-executor.2 28527 2731 89573 0 2 0x482 syz-executor.1 3754 348531 89573 0 3 0x82 nanoslp syz-executor.0 89573 41338 87789 0 3 0x2000082 wait syz-fuzzer 89573 184840 87789 0 3 0x6000082 nanoslp syz-fuzzer 89573 284486 87789 0 3 0x6000082 thrsleep syz-fuzzer 89573 211785 87789 0 3 0x6000082 wait syz-fuzzer 89573 476312 87789 0 3 0x6000082 wait syz-fuzzer 89573 279140 87789 0 3 0x6000082 thrsleep syz-fuzzer 89573 249423 87789 0 3 0x6000082 wait syz-fuzzer 89573 170697 87789 0 3 0x6000082 wait syz-fuzzer 89573 121051 87789 0 3 0x6000082 wait syz-fuzzer 89573 3654 87789 0 3 0x6000082 wait syz-fuzzer 89573 355178 87789 0 3 0x6000082 thrsleep syz-fuzzer 89573 106156 87789 0 3 0x6000082 wait syz-fuzzer 89573 505914 87789 0 3 0x6000082 thrsleep syz-fuzzer 89573 435811 87789 0 2 0x6000002 syz-fuzzer 87789 381721 72488 0 3 0x10008a sigsusp ksh 72488 385609 96271 0 3 0x9a kqread sshd 16463 102257 1 0 3 0x100083 ttyin getty 96271 465423 1 0 3 0x88 kqread sshd 75005 423483 48430 73 3 0x1100090 kqread syslogd 48430 10649 1 0 3 0x100082 netio syslogd 78147 149980 1 0 3 0x100080 kqread resolvd 40431 477927 52067 77 3 0x100092 kqread dhcpleased 97779 424538 52067 77 3 0x100092 kqread dhcpleased 52067 27642 1 0 3 0x80 kqread dhcpleased 50489 52745 0 0 3 0x14200 bored smr 69066 374149 0 0 2 0x14200 zerothread 39681 227739 0 0 3 0x14200 aiodoned aiodoned 13654 520051 0 0 3 0x14200 syncer update 20244 496717 0 0 3 0x14200 cleaner cleaner 34773 52015 0 0 3 0x14200 reaper reaper 68947 188372 0 0 3 0x14200 pgdaemon pagedaemon 91601 244700 0 0 3 0x14200 bored viomb 13166 29500 0 0 3 0x40014200 acpi0 acpi0 29787 199860 0 0 3 0x14200 bored softnet3 23033 422066 0 0 3 0x14200 bored softnet2 20446 21390 0 0 3 0x14200 bored softnet1 22323 373999 0 0 3 0x14200 bored softnet0 76737 313708 0 0 3 0x14200 bored systqmp 46157 158759 0 0 3 0x14200 bored systq 55937 470333 0 0 3 0x40014200 tmoslp softclock 61107 112695 0 0 3 0x40014200 idle0 1 369691 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10160 6400K 6829K 166960K 12326 0 pcb 15 12K 14K 166960K 110 0 rtable 215 6K 6K 166960K 372 0 pf 27 8K 8K 166960K 41 0 ifaddr 39 10K 11K 166960K 53 0 ifgroup 46 2K 2K 166960K 68 0 sysctl 2 0K 0K 166960K 2 0 counters 29 17K 17K 166960K 36 0 ioctlops 0 0K 2K 166960K 42 0 iov 0 0K 12K 166960K 159 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1342 84K 84K 166960K 1480 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 14 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 12 41K 69K 166960K 500 0 sigio 0 0K 0K 166960K 36 0 proc 57 59K 83K 166960K 488 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 24 0 in_multi 88 6K 7K 166960K 101 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 423 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 277 82K 84K 166960K 6707 0 UVM aobj 6 2K 2K 166960K 6 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 10 0K 2K 166960K 33 0 temp 73 6700K 6776K 166960K 9071 0 kqueue 12 18K 24K 166960K 40 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 44 0 41 1 0 1 1 0 8 0 rtentry 112 112 0 13 4 0 4 4 0 8 0 unpcb 144 308 0 291 6 1 5 6 0 8 4 syncache 312 7 0 7 2 1 1 1 0 8 1 tcpqe 32 346 0 346 3 2 1 2 0 8 1 tcpcb 808 111 0 106 8 0 8 8 0 8 7 arp 88 18 0 2 1 0 1 1 0 8 0 inpcb 336 349 0 341 7 0 7 7 0 8 6 nd6 104 25 0 4 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 3 0 3 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 460 0 51 29 2 27 29 0 8 0 art_table 32 461 0 51 4 0 4 4 0 8 0 art_node 16 111 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 43 0 40 1 0 1 1 0 8 0 semupl 112 8 0 8 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1988 0 542 91 0 91 91 0 8 0 ffsino 240 1988 0 542 86 0 86 86 0 8 0 nchpl 144 2809 0 1123 63 0 63 63 0 8 0 uvmvnodes 80 2263 0 0 47 0 47 47 0 8 0 vnodes 216 2263 0 0 126 0 126 126 0 8 0 namei 1024 9058 0 9058 4 2 2 3 0 8 2 kstatmem 264 34 0 14 2 0 2 2 0 8 0 scxspl 216 9805 0 9805 10 2 8 8 1 8 8 plimitpl 152 33 0 18 1 0 1 1 0 8 0 sigapl 424 920 0 856 8 0 8 8 0 8 0 futexpl 64 4570 0 4567 1 0 1 1 0 8 0 knotepl 120 7506 0 7424 4 0 4 4 0 8 0 kqueuepl 184 49 0 41 1 0 1 1 0 8 0 pipepl 288 177 0 149 3 0 3 3 0 8 0 fdescpl 432 784 0 761 4 0 4 4 0 8 1 filepl 120 3363 0 3122 12 1 11 12 0 8 3 lockfpl 104 63 0 61 1 0 1 1 0 8 0 lockfspl 48 31 0 29 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 23 0 7 1 0 1 1 0 8 0 ucredpl 104 257 0 245 1 0 1 1 0 8 0 zombiepl 144 861 0 856 1 0 1 1 0 8 0 processpl 1072 920 0 856 5 0 5 5 0 8 0 procpl 680 1550 0 1470 8 0 8 8 0 8 1 sockpl 456 701 0 673 21 10 11 20 0 8 7 mcl64k 65536 19 0 19 1 0 1 1 0 8 1 mcl16k 16384 10 0 10 1 0 1 1 0 8 1 mcl12k 12288 15 0 15 1 0 1 1 0 8 1 mcl8k 8192 22 0 22 2 1 1 1 0 8 1 mcl4k 4096 61 0 60 1 0 1 1 0 8 0 mcl2k2 2112 3 0 3 1 0 1 1 0 8 1 mcl2k 2048 67830 0 67788 44 37 7 27 0 8 0 mtagpl 96 32 0 8 2 1 1 1 0 8 0 mbufpl 256 109512 0 109340 23 10 13 15 0 8 0 bufpl 288 4737 0 148 328 0 328 328 0 8 0 anonpl 24 227687 0 215225 78 0 78 78 0 188 0 amapchunkpl 152 22121 0 21413 35 0 35 35 0 158 3 amappl16 200 6067 0 5683 22 1 21 21 0 8 0 amappl15 192 11 0 10 1 0 1 1 0 8 0 amappl14 184 150 0 139 2 1 1 2 0 8 0 amappl13 176 31 0 30 1 0 1 1 0 8 0 amappl12 168 1420 0 1392 2 0 2 2 0 8 0 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 41 0 33 1 0 1 1 0 8 0 amappl9 144 129 0 127 1 0 1 1 0 8 0 amappl8 136 182 0 135 2 0 2 2 0 8 0 amappl7 128 165 0 148 2 0 2 2 0 8 0 amappl6 120 238 0 230 1 0 1 1 0 8 0 amappl5 112 126 0 118 1 0 1 1 0 8 0 amappl4 104 400 0 380 2 1 1 2 0 8 0 amappl3 96 4911 0 4845 3 0 3 3 0 8 1 amappl2 88 1238 0 1174 3 1 2 3 0 8 0 amappl1 80 10963 0 10464 22 10 12 22 0 8 0 amappl 88 6196 0 6018 6 0 6 6 0 92 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 784 0 761 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 784 0 761 1 0 1 1 0 8 0 vmmpekpl 168 12035 0 11991 3 0 3 3 0 8 0 vmmpepl 168 69750 0 67812 113 9 104 113 0 357 12 vmsppl 352 783 0 761 3 0 3 3 0 8 0 rwobjpl 24 26499 0 22902 24 1 23 23 0 8 1 pdppl 4096 1574 0 1522 104 40 64 66 0 8 12 pvpl 32 493532 0 475990 361 23 338 361 0 265 190 pmappl 216 783 0 761 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 749 0 95 19 0 19 19 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a674560,deaf4152deaf4152,0,80000310,fffffd805bd3a478,fffffd807f7d75b0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a674560,deaf4152deaf4152,0,80000310,fffffd805bd3a478,fffffd807f7d75b0) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd805bd3a478,4,310,0,ffff80002a674560) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd805bd3a478,4,310,0,ffff80002a674560) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a674560,ffff8000343d1a40,ffff8000343d1a80) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000343d1b40) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdece8287a40, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a674560,deaf4152deaf4152,0,80000310,fffffd805bd3a478,fffffd807f7d75b0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a674560,deaf4152deaf4152,0,80000310,fffffd805bd3a478,fffffd807f7d75b0) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd805bd3a478,4,310,0,ffff80002a674560) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd805bd3a478,4,310,0,ffff80002a674560) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a674560,ffff8000343d1a40,ffff8000343d1a80) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000343d1b40) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdece8287a40, count: -5