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(ffff80002a6cbaa0,deafbeaddeafbead,0,80000120,fffffd807c222ea8,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6cbaa0,deafbeaddeafbead,0,80000120,fffffd807c222ea8,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd807c222ea8,4,120,0,ffff80002a6cbaa0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd807c222ea8,4,120,0,ffff80002a6cbaa0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6cbaa0,ffff80002a807980,ffff80002a8079d0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002a807a40) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1026bfd660, count: -5 ddb> show registers rdi 0xffff80002a6cbaa0 rsi 0xdeafbeaddeafbead rbp 0xffff80002a807770 rbx 0xdeafbeaddeafbead rdx 0 rcx 0x80000120 __kernel_virt_to_phys+0x120 rax 0xffff80002a6cbaa0 r8 0xfffffd807c222ea8 r9 0xfffffd807f7d76e8 r10 0x70b3c950e338b0fc r11 0x10fe1f9f480b9e4b r12 0xdeafbeaddeafbead r13 0xfffffd807f7d76e8 r14 0xffff80002a6cbaa0 r15 0x80000120 __kernel_virt_to_phys+0x120 rip 0xffffffff8175c27e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a8076f0 ss 0 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.3) tid=52217 pid=36171 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=57, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6f9548,0xffffffff82c6bc20 process=0xffff80002a6d47f0 user=0xffff80002a802000, vmspace=0xfffffd8068869a28 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 5181 31483 64853 0 2 0 syz-executor.1 5181 446300 64853 0 3 0x4000080 fsleep syz-executor.1 36171 359387 61724 0 2 0 syz-executor.3 *36171 52217 61724 0 7 0x4000000 syz-executor.3 28839 265548 33982 0 2 0 syz-executor.2 28839 74030 33982 0 3 0x4000080 fsleep syz-executor.2 8245 324595 52901 0 2 0x2 syz-executor.4 33982 227023 52901 0 3 0x82 nanoslp syz-executor.2 45726 262292 52901 0 2 0x2 syz-executor.7 29163 280522 52901 0 3 0x82 piperd syz-executor.6 33812 211541 52901 0 3 0x82 piperd syz-executor.5 61724 425265 52901 0 3 0x82 nanoslp syz-executor.3 64853 189572 52901 0 3 0x82 nanoslp syz-executor.1 96262 8847 52901 0 3 0x82 nanoslp syz-executor.0 52901 9211 68010 0 3 0x2000082 wait syz-execprog 52901 171160 68010 0 2 0x6000002 syz-execprog 52901 310892 68010 0 3 0x6000082 wait syz-execprog 52901 446579 68010 0 3 0x6000082 wait syz-execprog 52901 18301 68010 0 3 0x6000082 thrsleep syz-execprog 52901 259041 68010 0 3 0x6000082 wait syz-execprog 52901 395117 68010 0 3 0x6000082 wait syz-execprog 52901 312842 68010 0 3 0x6000082 wait syz-execprog 52901 406380 68010 0 3 0x6000082 thrsleep syz-execprog 52901 417973 68010 0 3 0x6000082 thrsleep syz-execprog 52901 272584 68010 0 3 0x6000082 wait syz-execprog 52901 478058 68010 0 3 0x6000082 wait syz-execprog 52901 9866 68010 0 3 0x6000082 kqread syz-execprog 68010 393246 20839 0 3 0x10008a sigsusp ksh 20839 380204 18519 0 3 0x9a kqread sshd 91988 238522 1 0 3 0x100083 ttyin getty 18519 52292 1 0 3 0x88 kqread sshd 98667 168052 84946 73 3 0x1100090 kqread syslogd 84946 29270 1 0 3 0x100082 netio syslogd 21258 236314 1 0 3 0x100080 kqread resolvd 13654 195693 53159 77 3 0x100092 kqread dhcpleased 60013 243045 53159 77 3 0x100092 kqread dhcpleased 53159 256536 1 0 3 0x80 kqread dhcpleased 15647 437893 0 0 3 0x14200 bored smr 12331 332059 0 0 2 0x14200 zerothread 26808 467 0 0 3 0x14200 aiodoned aiodoned 12063 153719 0 0 3 0x14200 syncer update 86452 45519 0 0 3 0x14200 cleaner cleaner 94946 412771 0 0 3 0x14200 reaper reaper 62174 154078 0 0 3 0x14200 pgdaemon pagedaemon 63461 253768 0 0 3 0x14200 bored viomb 18330 436217 0 0 3 0x40014200 acpi0 acpi0 74148 412038 0 0 3 0x14200 bored softnet3 12369 177760 0 0 3 0x14200 bored softnet2 93391 300219 0 0 3 0x14200 bored softnet1 16929 18575 0 0 3 0x14200 bored softnet0 45054 302336 0 0 3 0x14200 bored systqmp 29535 301731 0 0 3 0x14200 bored systq 55490 112038 0 0 3 0x40014200 tmoslp softclock 26903 89191 0 0 3 0x40014200 idle0 1 381587 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 10166 6401K 6414K 166960K 11247 0 pcb 13 8K 8K 166960K 13 0 rtable 234 6K 6K 166960K 380 0 pf 29 8K 8K 166960K 32 0 ifaddr 43 11K 11K 166960K 49 0 ifgroup 50 2K 2K 166960K 55 0 counters 29 17K 17K 166960K 30 0 ioctlops 0 0K 2K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1187 74K 74K 166960K 1200 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 13 45K 73K 166960K 184 0 proc 55 58K 75K 166960K 498 0 subproc 0 0K 0K 166960K 13 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 404 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 220 73K 73K 166960K 4412 0 UVM aobj 3 2K 2K 166960K 3 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 27 2K 2K 166960K 30 0 temp 1 5904K 5968K 166960K 4614 0 kqueue 12 18K 18K 166960K 34 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 38 0 35 1 0 1 1 0 8 0 rtentry 112 122 0 12 4 0 4 4 0 8 0 unpcb 144 119 0 106 1 0 1 1 0 8 0 syncache 312 8 0 8 2 1 1 1 0 8 1 tcpqe 32 148 0 148 2 1 1 1 0 8 1 tcpcb 808 12 0 9 1 0 1 1 0 8 0 arp 88 20 0 2 1 0 1 1 0 8 0 inpcb 336 66 0 60 1 0 1 1 0 8 0 nd6 104 27 0 3 2 1 1 1 0 8 0 kcovpl 48 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 48 32 3 29 29 0 8 0 art_table 32 502 0 48 5 1 4 4 0 8 0 art_node 16 121 0 21 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1583 0 132 92 1 91 91 0 8 0 ffsino 240 1583 0 132 86 0 86 86 0 8 0 nchpl 144 1930 0 241 64 0 64 64 0 8 0 uvmvnodes 80 1605 0 0 33 0 33 33 0 8 0 vnodes 216 1605 0 0 90 0 90 90 0 8 0 namei 1024 7513 0 7512 4 3 1 3 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 7693 0 7693 10 2 8 8 1 8 8 plimitpl 152 49 0 34 1 0 1 1 0 8 0 sigapl 424 512 0 471 7 1 6 6 0 8 0 futexpl 64 245 0 243 2 1 1 1 0 8 0 knotepl 120 6383 0 6305 3 0 3 3 0 8 0 kqueuepl 184 30 0 22 1 0 1 1 0 8 0 pipepl 288 182 0 154 4 1 3 3 0 8 1 fdescpl 432 496 0 472 5 1 4 4 0 8 1 filepl 120 2151 0 2019 6 1 5 5 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 32 0 16 1 0 1 1 0 8 0 pgrppl 48 32 0 16 1 0 1 1 0 8 0 ucredpl 104 93 0 83 1 0 1 1 0 8 0 zombiepl 144 472 0 471 2 1 1 1 0 8 0 processpl 1008 512 0 471 9 3 6 6 0 8 0 procpl 680 574 0 518 8 2 6 6 0 8 0 sockpl 456 223 0 201 4 0 4 4 0 8 1 mcl8k 8192 4 0 4 1 1 0 1 0 8 0 mcl4k 4096 16 0 16 2 1 1 1 0 8 1 mcl2k 2048 21298 0 21250 56 41 15 33 0 8 8 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 34371 0 34247 28 16 12 17 0 8 4 bufpl 288 4880 0 137 339 0 339 339 0 8 0 anonpl 24 343899 0 339897 55 14 41 55 0 188 9 amapchunkpl 152 16515 0 15992 35 12 23 27 0 158 0 amappl16 200 10179 0 10101 10 5 5 5 0 8 0 amappl15 192 38 0 38 2 2 0 1 0 8 0 amappl14 184 220 0 207 3 1 2 2 0 8 1 amappl13 176 23 0 23 2 2 0 1 0 8 0 amappl12 168 1168 0 1142 3 1 2 2 0 8 0 amappl11 160 66 0 55 1 0 1 1 0 8 0 amappl10 152 40 0 31 2 1 1 1 0 8 0 amappl9 144 270 0 270 2 1 1 1 0 8 1 amappl8 136 235 0 212 2 1 1 2 0 8 0 amappl7 128 246 0 231 3 1 2 2 0 8 0 amappl6 120 283 0 278 1 0 1 1 0 8 0 amappl5 112 163 0 155 1 0 1 1 0 8 0 amappl4 104 559 0 539 2 1 1 2 0 8 0 amappl3 96 4172 0 4100 4 1 3 3 0 8 1 amappl2 88 1133 0 1069 4 1 3 3 0 8 1 amappl1 80 14581 0 14084 29 11 18 22 0 8 7 amappl 88 3760 0 3610 6 2 4 4 0 92 0 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 496 0 472 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 496 0 472 1 0 1 1 0 8 0 vmmpekpl 168 13965 0 13933 2 0 2 2 0 8 0 vmmpepl 168 68418 0 66910 111 14 97 111 0 357 26 vmsppl 368 495 0 472 4 1 3 3 0 8 0 rwobjpl 24 32629 0 30084 20 2 18 20 0 8 0 pdppl 4096 998 0 944 112 44 68 68 0 8 14 pvpl 32 662046 0 653399 361 69 292 361 0 265 215 pmappl 216 495 0 472 3 1 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 779 0 117 19 0 19 19 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a6cbaa0,deafbeaddeafbead,0,80000120,fffffd807c222ea8,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6cbaa0,deafbeaddeafbead,0,80000120,fffffd807c222ea8,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd807c222ea8,4,120,0,ffff80002a6cbaa0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd807c222ea8,4,120,0,ffff80002a6cbaa0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6cbaa0,ffff80002a807980,ffff80002a8079d0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002a807a40) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1026bfd660, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a6cbaa0,deafbeaddeafbead,0,80000120,fffffd807c222ea8,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6cbaa0,deafbeaddeafbead,0,80000120,fffffd807c222ea8,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd807c222ea8,4,120,0,ffff80002a6cbaa0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd807c222ea8,4,120,0,ffff80002a6cbaa0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6cbaa0,ffff80002a807980,ffff80002a8079d0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002a807a40) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc1026bfd660, count: -5