kernel: protection fault trap, code=0 Stopped at ktrops+0x4f: movq 0x8(%r14),%r14 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace ktrops(ffff80002a68f748,dead4110dead4110,0,80000d30,fffffd807d084b30,fffffd807f7d7750) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a68f748,dead4110dead4110,0,80000d30,fffffd807d084b30,fffffd807f7d7750) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd807d084b30,4,d30,0,ffff80002a68f748) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd807d084b30,4,d30,0,ffff80002a68f748) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a68f748,ffff80002bf153b0,ffff80002bf15300) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002bf153b0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cf9029a350, count: -5 ddb> show registers rdi 0xffff800031150000 rsi 0xc71 rbp 0xffff80002bf150d0 rbx 0xfffffd807f7d7750 rdx 0xffff800031150000 rcx 0xc70 rax 0xffffffff821d5263 ktrops+0x43 r8 0xfffffd807d084b30 r9 0xfffffd807f7d7750 r10 0xbe9b4546f07c72fe r11 0x967516f18daf04e0 r12 0xffff80002a68f748 r13 0xdead4110dead4110 r14 0xdead4110dead4110 r15 0x80000d30 __kernel_virt_to_phys+0xd30 rip 0xffffffff821d526f ktrops+0x4f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002bf15050 ss 0x10 ktrops+0x4f: movq 0x8(%r14),%r14 ddb> show proc PROC (syz-executor.0) tid=263992 pid=47134 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=17, usrpri=84, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a68e558,0xffff80002a5d6018 process=0xffff80002db1d0d8 user=0xffff80002bf10000, vmspace=0xfffffd806b9e3170 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 40032 229673 51298 0 2 0x8000000 syz-executor.5 40032 493136 51298 0 3 0xc000080 fsleep syz-executor.5 59356 32358 36618 0 2 0x8000000 syz-executor.4 59356 59817 36618 0 3 0xc000080 fsleep syz-executor.4 59356 110869 36618 0 3 0xc000080 fsleep syz-executor.4 47134 350617 84110 0 2 0x8000000 syz-executor.0 *47134 263992 84110 0 7 0xc000000 syz-executor.0 26600 512787 74893 0 2 0x8000000 syz-executor.6 26600 252706 74893 0 3 0xc000080 fifow syz-executor.6 26600 345168 74893 0 2 0xc000000 syz-executor.6 70901 424524 49977 0 2 0x8000480 syz-executor.2 70901 409568 49977 0 3 0xc000080 bell syz-executor.2 84110 199948 31928 0 3 0x8000082 nanoslp syz-executor.0 67813 33347 31928 0 3 0x8000082 nanoslp syz-executor.3 29349 166442 31928 0 2 0x8000482 syz-executor.7 51298 177184 31928 0 2 0x8000482 syz-executor.5 36618 202255 31928 0 3 0x8000082 nanoslp syz-executor.4 74893 168819 31928 0 3 0x8000082 nanoslp syz-executor.6 49977 183546 31928 0 3 0x8000082 nanoslp syz-executor.2 48609 467920 31928 0 2 0x8000002 syz-executor.1 19756 459595 1 0 3 0x18100083 ttyin getty 32044 297866 0 0 3 0x14200 bored sosplice 31928 519072 34492 0 3 0x1a000082 thrsleep syz-fuzzer 31928 420767 34492 0 2 0x1e000482 syz-fuzzer 31928 405336 34492 0 3 0x1e000082 kqread syz-fuzzer 31928 151447 34492 0 3 0x1e000082 wait syz-fuzzer 31928 131806 34492 0 3 0x1e000082 wait syz-fuzzer 31928 11832 34492 0 3 0x1e000082 wait syz-fuzzer 31928 494734 34492 0 3 0x1e000082 thrsleep syz-fuzzer 31928 422788 34492 0 3 0x1e000082 wait syz-fuzzer 31928 373445 34492 0 3 0x1e000082 wait syz-fuzzer 31928 497317 34492 0 3 0x1e000082 wait syz-fuzzer 31928 141475 34492 0 3 0x1e000082 thrsleep syz-fuzzer 31928 357353 34492 0 3 0x1e000082 thrsleep syz-fuzzer 31928 100173 34492 0 3 0x1e000082 wait syz-fuzzer 31928 131189 34492 0 3 0x1e000082 wait syz-fuzzer 31928 473936 34492 0 3 0x1e000082 thrsleep syz-fuzzer 34492 501474 82696 0 3 0x810008a sigsusp ksh 82696 275838 42083 0 3 0x1800009a kqread sshd 42083 183904 1 0 3 0x18000088 kqread sshd 30152 107457 64701 73 3 0x19100090 kqread syslogd 64701 227226 1 0 3 0x18100082 sbwait syslogd 62076 249119 1 0 3 0x18100080 kqread resolvd 68716 328695 43179 77 3 0x18100092 kqread dhcpleased 88645 509156 43179 77 3 0x18100092 kqread dhcpleased 43179 361082 1 0 3 0x18000080 kqread dhcpleased 48401 432126 0 0 2 0x14200 smr 45028 119589 0 0 2 0x14200 zerothread 95994 160800 0 0 3 0x14200 aiodoned aiodoned 86369 53454 0 0 3 0x14200 syncer update 14381 250498 0 0 3 0x14200 cleaner cleaner 79757 470254 0 0 3 0x14200 reaper reaper 92482 338367 0 0 3 0x14200 pgdaemon pagedaemon 73168 234184 0 0 3 0x14200 bored viomb 50179 49489 0 0 3 0x40014200 acpi0 acpi0 59373 205207 0 0 3 0x14200 bored softnet3 5886 140069 0 0 3 0x14200 bored softnet2 78536 233298 0 0 3 0x14200 bored softnet1 93842 295843 0 0 3 0x14200 bored softnet0 59459 357755 0 0 3 0x14200 bored systqmp 90698 87743 0 0 3 0x14200 bored systq 33163 154277 0 0 2 0x40014200 softclock 97587 237981 0 0 3 0x40014200 idle0 1 71001 0 0 3 0x8080082 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 10189 6616K 6968K 166960K 17090 0 pcb 17 14K 15K 166960K 274 0 rtable 224 9K 10K 166960K 3413 0 pf 29 8K 10K 166960K 298 0 ifaddr 40 12K 13K 166960K 446 0 ifgroup 50 2K 2K 166960K 553 0 sysctl 3 0K 0K 166960K 9 0 counters 30 17K 17K 166960K 156 0 ioctlops 0 0K 2K 166960K 332 0 iov 0 0K 28K 166960K 325 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1443 91K 92K 166960K 5077 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 121 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 263 0 dirhash 12 2K 2K 166960K 60 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 101K 166960K 4241 0 sigio 0 0K 0K 166960K 128 0 proc 58 59K 124K 166960K 3191 0 subproc 104 6K 7K 166960K 1275 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 757 0 in_multi 88 6K 7K 166960K 1134 0 ether_multi 1 0K 0K 166960K 15 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 1981 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 352 152K 171K 166960K 35051 0 UVM aobj 131 5K 7K 166960K 133 0 pinsyscall 35 70K 102K 166960K 7759 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 148 0 NDP 11 0K 2K 166960K 329 0 temp 78 6812K 6942K 166960K 111824 0 kqueue 12 18K 28K 166960K 467 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 120 485 0 481 1 0 1 1 0 8 0 rtentry 112 1141 0 1041 4 0 4 4 0 8 1 unpcb 144 2508 0 2491 9 3 6 6 0 8 5 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 2 4 2 1 0 1 1 0 8 1 tcpcb 808 1033 0 1027 9 1 8 8 0 8 7 arp 88 208 0 192 1 0 1 1 0 8 0 ipq 40 14 0 14 1 0 1 1 0 8 1 ipqe 40 28 0 28 1 0 1 1 0 8 1 inpcb 360 3943 0 3934 15 7 8 10 0 8 7 nd6 104 302 0 281 1 0 1 1 0 8 0 pkpcb 40 37 0 37 2 1 1 1 0 8 1 kcovpl 48 98 0 90 1 0 1 1 0 8 0 ppxss 1072 12 0 12 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 4564 0 4154 78 49 29 31 0 8 3 art_table 32 4565 0 4154 4 0 4 4 0 8 0 art_node 16 1131 0 1041 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 29 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 247 0 237 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 49 0 32 3 0 3 3 0 8 0 dino2pl 256 6737 0 5219 96 0 96 96 0 8 0 ffsino 240 6737 0 5219 90 0 90 90 0 8 0 nchpl 144 11998 0 10271 66 0 66 66 0 8 0 uvmvnodes 80 9504 0 0 194 0 194 194 0 8 0 vnodes 216 9504 0 0 528 0 528 528 0 8 0 namei 1024 50687 0 50687 3 1 2 2 0 8 2 vcpupl 3904 27 0 0 4 0 4 4 0 8 0 vmpool 664 46 0 19 3 0 3 3 0 8 0 kstatmem 264 274 0 252 2 0 2 2 0 8 0 scsiplug 72 8 0 8 2 1 1 1 0 8 1 scxspl 216 78465 0 78465 11 7 4 8 1 8 4 plimitpl 152 572 0 557 1 0 1 1 0 8 0 sigapl 424 4386 0 4341 9 0 9 9 0 8 2 futexpl 64 51016 0 51013 1 0 1 1 0 8 0 knotepl 120 38571 0 38489 34 21 13 17 0 8 7 kqueuepl 184 1138 0 1128 4 0 4 4 0 8 3 pipepl 288 808 0 778 5 0 5 5 0 8 2 fdescpl 432 4346 0 4320 5 0 5 5 0 8 1 filepl 120 26834 0 26583 13 0 13 13 0 8 4 lockfpl 104 687 0 684 1 0 1 1 0 8 0 lockfspl 48 302 0 299 1 0 1 1 0 8 0 sessionpl 144 117 0 101 1 0 1 1 0 8 0 pgrppl 48 166 0 150 1 0 1 1 0 8 0 ucredpl 104 4653 0 4642 1 0 1 1 0 8 0 zombiepl 144 4343 0 4341 1 0 1 1 0 8 0 processpl 1072 4386 0 4341 5 0 5 5 0 8 1 procpl 656 8068 0 8002 9 0 9 9 0 8 2 sosppl 168 44 0 43 2 1 1 1 0 8 0 sockpl 504 7012 0 6982 49 38 11 22 0 8 6 mcl64k 65536 52 0 52 2 1 1 1 0 8 1 mcl16k 16384 35 0 35 2 1 1 1 0 8 1 mcl12k 12288 114 0 114 2 1 1 1 0 8 1 mcl9k 9216 19 0 19 1 0 1 1 0 8 1 mcl8k 8192 192 0 192 2 1 1 1 0 8 1 mcl4k 4096 645 0 645 2 1 1 1 0 8 1 mcl2k2 2112 37 0 37 2 1 1 1 0 8 1 mcl2k 2048 39624 0 39520 45 24 21 38 0 8 6 mtagpl 96 370 0 367 2 0 2 2 0 8 1 mbufpl 256 103508 0 103259 116 93 23 65 0 8 3 bufpl 280 15195 0 5688 680 0 680 680 0 8 0 anonpl 24 568480 0 562277 69 0 69 69 0 188 18 amapchunkpl 152 111301 0 110666 40 0 40 40 0 158 9 amappl16 200 10586 0 10448 35 18 17 21 0 8 8 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 561 0 547 2 1 1 2 0 8 0 amappl13 176 16 0 16 2 1 1 1 0 8 1 amappl12 168 6350 0 6319 3 0 3 3 0 8 1 amappl11 160 57 0 47 1 0 1 1 0 8 0 amappl10 152 179 0 168 1 0 1 1 0 8 0 amappl9 144 165 0 163 1 0 1 1 0 8 0 amappl8 136 611 0 519 4 0 4 4 0 8 0 amappl7 128 88 0 73 1 0 1 1 0 8 0 amappl6 120 1531 0 1515 2 1 1 2 0 8 0 amappl5 112 550 0 538 1 0 1 1 0 8 0 amappl4 104 1253 0 1214 3 1 2 2 0 8 0 amappl3 96 21188 0 21113 3 0 3 3 0 8 0 amappl2 88 5162 0 5089 4 2 2 4 0 8 0 amappl1 80 29736 0 29243 24 10 14 22 0 8 2 amappl 88 33614 0 33416 6 0 6 6 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 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 4392 0 4339 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4392 0 4339 1 0 1 1 0 8 0 vmmpekpl 168 34095 0 34030 4 0 4 4 0 8 0 vmmpepl 168 302815 0 300920 120 16 104 111 0 357 6 vmsppl 344 4391 0 4339 6 0 6 6 0 8 0 rwobjpl 24 81717 0 70938 66 0 66 66 0 8 0 pdppl 4096 8790 0 8705 374 283 91 105 0 8 6 pvpl 32 1685639 0 1673385 409 231 178 361 0 265 55 pmappl 216 4391 0 4339 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 881 0 496 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a68f748,dead4110dead4110,0,80000d30,fffffd807d084b30,fffffd807f7d7750) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a68f748,dead4110dead4110,0,80000d30,fffffd807d084b30,fffffd807f7d7750) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd807d084b30,4,d30,0,ffff80002a68f748) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd807d084b30,4,d30,0,ffff80002a68f748) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a68f748,ffff80002bf153b0,ffff80002bf15300) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002bf153b0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cf9029a350, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a68f748,dead4110dead4110,0,80000d30,fffffd807d084b30,fffffd807f7d7750) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a68f748,dead4110dead4110,0,80000d30,fffffd807d084b30,fffffd807f7d7750) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd807d084b30,4,d30,0,ffff80002a68f748) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd807d084b30,4,d30,0,ffff80002a68f748) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a68f748,ffff80002bf153b0,ffff80002bf15300) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002bf153b0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cf9029a350, count: -5