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(ffff80002a6e6ff0,deadbeefdeadbeef,0,80000310,fffffd8076dde970,fffffd807f7d7618) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6e6ff0,deadbeefdeadbeef,0,80000310,fffffd8076dde970,fffffd807f7d7618) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8076dde970,4,310,0,ffff80002a6e6ff0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8076dde970,4,310,0,ffff80002a6e6ff0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6e6ff0,ffff800032b975f0,ffff800032b97540) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800032b975f0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc47a0b234b0, count: -5 ddb> show registers rdi 0xffff80002a6e6ff0 rsi 0xdeadbeefdeadbeef rbp 0xffff800032b97310 rbx 0xdeadbeefdeadbeef rdx 0 rcx 0x80000310 __kernel_virt_to_phys+0x310 rax 0xffff80002a6e6ff0 r8 0xfffffd8076dde970 r9 0xfffffd807f7d7618 r10 0xded8c41a0bb50842 r11 0xaa5422f1192febd r12 0xdeadbeefdeadbeef r13 0xfffffd807f7d7618 r14 0xffff80002a6e6ff0 r15 0x80000310 __kernel_virt_to_phys+0x310 rip 0xffffffff81627b2e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800032b97290 ss 0x10 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.5) tid=320542 pid=84018 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6e6aa0,0xffff80002a6e7d48 process=0xffff80003117dd70 user=0xffff800032b92000, vmspace=0xfffffd805ead95d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 6033 187047 54454 0 3 0x80 nanoslp syz-executor.0 6033 456311 54454 0 3 0x4000080 fsleep syz-executor.0 6033 89177 54454 0 2 0x4000000 syz-executor.0 6033 494866 54454 0 2 0x4000000 syz-executor.0 6033 451087 54454 0 2 0x4000000 syz-executor.0 6033 328433 54454 0 2 0x4000000 syz-executor.0 84018 519330 95748 0 3 0x80 fsleep syz-executor.5 *84018 320542 95748 0 7 0x4000000 syz-executor.5 84018 255487 95748 0 2 0x4000000 syz-executor.5 8958 276289 71236 0 2 0 syz-executor.4 45325 498240 8804 0 3 0x80 fsleep syz-executor.6 45325 430062 8804 0 3 0x4000080 netcon syz-executor.6 37619 92964 38238 0 3 0x80 fsleep syz-executor.1 37619 460146 38238 0 3 0x4000080 ttyout syz-executor.1 75090 511675 32944 0 3 0x80 fsleep syz-executor.2 75090 442553 32944 0 3 0x4000080 netcon syz-executor.2 75090 366793 32944 0 3 0x4000080 fsleep syz-executor.2 38238 396898 38206 0 3 0x82 nanoslp syz-executor.1 71236 430144 38206 0 3 0x82 nanoslp syz-executor.4 56249 88787 0 0 3 0x14280 nfsidl nfsio 48689 372929 0 0 3 0x14280 nfsidl nfsio 87943 388853 0 0 3 0x14280 nfsidl nfsio 23904 275452 0 0 3 0x14280 nfsidl nfsio 76519 295942 0 0 3 0x14280 nfsidl nfsio 1878 454369 0 0 3 0x14280 nfsidl nfsio 83117 67166 0 0 3 0x14280 nfsidl nfsio 21720 38927 0 0 3 0x14280 nfsidl nfsio 2465 469333 0 0 3 0x14280 nfsidl nfsio 8259 195878 0 0 3 0x14280 nfsidl nfsio 8715 435012 0 0 3 0x14280 nfsidl nfsio 96383 78757 0 0 3 0x14280 nfsidl nfsio 98976 468456 0 0 3 0x14280 nfsidl nfsio 83755 343238 0 0 3 0x14280 nfsidl nfsio 73881 492200 0 0 3 0x14280 nfsidl nfsio 87467 182074 0 0 3 0x14280 nfsidl nfsio 21565 496888 0 0 3 0x14280 nfsidl nfsio 99463 31718 0 0 3 0x14280 nfsidl nfsio 26272 338761 0 0 3 0x14280 nfsidl nfsio 86137 447317 0 0 3 0x14280 nfsidl nfsio 54454 164336 38206 0 3 0x82 nanoslp syz-executor.0 95748 265538 38206 0 3 0x82 nanoslp syz-executor.5 32944 353308 38206 0 3 0x82 nanoslp syz-executor.2 8925 63704 38206 0 2 0x2 syz-executor.3 110 513779 0 0 3 0x14200 bored sosplice 8804 263967 38206 0 3 0x82 nanoslp syz-executor.6 38206 310782 34239 0 3 0x2000082 wait syz-fuzzer 38206 274175 34239 0 3 0x6000082 nanoslp syz-fuzzer 38206 434074 34239 0 3 0x6000082 thrsleep syz-fuzzer 38206 255089 34239 0 3 0x6000082 thrsleep syz-fuzzer 38206 229251 34239 0 3 0x6000082 wait syz-fuzzer 38206 273590 34239 0 3 0x6000082 wait syz-fuzzer 38206 396773 34239 0 3 0x6000082 wait syz-fuzzer 38206 47423 34239 0 3 0x6000082 wait syz-fuzzer 38206 160107 34239 0 2 0x6000082 syz-fuzzer 38206 493168 34239 0 3 0x6000082 thrsleep syz-fuzzer 38206 124705 34239 0 3 0x6000082 wait syz-fuzzer 38206 372995 34239 0 3 0x6000082 wait syz-fuzzer 38206 210527 34239 0 3 0x6000082 wait syz-fuzzer 38206 347657 34239 0 3 0x6000082 thrsleep syz-fuzzer 34239 9834 64256 0 3 0x10008a sigsusp ksh 64256 291153 50008 0 3 0x9a kqread sshd 9611 75053 1 0 3 0x100083 ttyin getty 50008 294088 1 0 3 0x88 kqread sshd 63992 442769 10783 73 3 0x1100090 kqread syslogd 10783 260288 1 0 3 0x100082 netio syslogd 97363 210959 1 0 3 0x100080 kqread resolvd 18588 171073 46778 77 3 0x100092 kqread dhcpleased 89384 391284 46778 77 3 0x100092 kqread dhcpleased 46778 340486 1 0 3 0x80 kqread dhcpleased 37643 471000 0 0 3 0x14200 bored smr 22497 263815 0 0 2 0x14200 zerothread 62313 449485 0 0 3 0x14200 aiodoned aiodoned 60676 449876 0 0 3 0x14200 syncer update 67421 104032 0 0 3 0x14200 cleaner cleaner 3662 192542 0 0 3 0x14200 reaper reaper 10462 461722 0 0 3 0x14200 pgdaemon pagedaemon 52492 52262 0 0 3 0x14200 bored viomb 90967 221698 0 0 3 0x40014200 acpi0 acpi0 93135 87917 0 0 3 0x14200 bored softnet3 38449 350633 0 0 3 0x14200 bored softnet2 46019 323721 0 0 3 0x14200 bored softnet1 69269 82883 0 0 3 0x14200 bored softnet0 49515 471385 0 0 3 0x14200 bored systqmp 76274 470950 0 0 3 0x14200 bored systq 97850 184463 0 0 3 0x40014200 tmoslp softclock 61648 236158 0 0 3 0x40014200 idle0 1 65616 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 10208 6559K 7129K 166960K 26979 0 pcb 15 16K 17K 166960K 661 0 rtable 164 13K 15K 166960K 1472 0 pf 27 8K 9K 166960K 282 0 ifaddr 32 9K 12K 166960K 206 0 ifgroup 46 2K 2K 166960K 433 0 sysctl 3 0K 0K 166960K 9 0 counters 29 17K 17K 166960K 134 0 ioctlops 0 0K 2K 166960K 473 0 iov 0 0K 32K 166960K 651 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1570 98K 98K 166960K 6444 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 86 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 823 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 15 53K 77K 166960K 6737 0 sigio 0 0K 0K 166960K 194 0 proc 58 59K 83K 166960K 1073 0 subproc 91 5K 6K 166960K 306 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 412 0 in_multi 65 4K 7K 166960K 332 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 1431 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 460 453K 454K 166960K 64222 0 UVM aobj 131 8K 8K 166960K 137 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 248 0 NDP 10 0K 1K 166960K 163 0 temp 74 6764K 6892K 166960K 79779 0 kqueue 12 18K 26K 166960K 490 0 SYN cache 2 104K 112K 166960K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 540 0 537 3 2 1 3 0 8 0 rtentry 112 510 0 438 4 0 4 4 0 8 0 unpcb 144 3841 0 3828 9 5 4 6 0 8 3 syncache 336 68 0 68 2 1 1 1 0 8 1 tcpqe 32 253 0 253 1 1 0 1 0 8 0 tcpcb 808 2152 0 2137 17 9 8 11 0 8 6 arp 88 103 0 94 1 0 1 1 0 8 0 ipq 40 45 0 45 1 1 0 1 0 8 0 ipqe 40 130 0 130 1 1 0 1 0 8 0 inpcb 360 5574 0 5554 28 20 8 14 0 8 6 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 1 0 1 1 1 0 1 0 8 0 nd6 104 72 0 57 1 0 1 1 0 8 0 pkpcb 40 40 0 40 1 1 0 1 0 8 0 kcovpl 48 23 0 16 1 0 1 1 0 8 0 ppxss 1072 39 0 39 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1609 0 1270 30 6 24 30 0 8 0 art_table 32 1610 0 1270 4 0 4 4 0 8 0 art_node 16 505 0 440 1 0 1 1 0 8 0 semapl 112 819 0 809 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 10739 0 9272 93 0 93 93 0 8 0 ffsino 240 10739 0 9272 87 0 87 87 0 8 0 nchpl 144 19650 0 18005 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 67026 0 67025 3 2 1 2 0 8 0 vcpupl 2048 100 0 0 13 0 13 13 0 8 0 vmpool 664 104 0 4 9 0 9 9 0 8 0 kstatmem 264 230 0 210 2 0 2 2 0 8 0 scxspl 216 54988 0 54988 8 7 1 8 1 8 1 plimitpl 152 748 0 732 1 0 1 1 0 8 0 sigapl 424 7185 0 7121 8 0 8 8 0 8 0 futexpl 64 60685 0 60679 1 0 1 1 0 8 0 knotepl 120 62492 0 62410 18 13 5 18 0 8 0 kqueuepl 184 1344 0 1336 10 6 4 7 0 8 3 pipepl 288 1153 0 1125 7 4 3 7 0 8 0 fdescpl 432 6987 0 6960 4 0 4 4 0 8 0 filepl 120 41848 0 41618 18 6 12 16 0 8 2 lockfpl 104 1450 0 1448 2 1 1 2 0 8 0 lockfspl 48 632 0 630 1 0 1 1 0 8 0 sessionpl 144 38 0 22 1 0 1 1 0 8 0 pgrppl 48 139 0 123 1 0 1 1 0 8 0 ucredpl 104 7458 0 7447 1 0 1 1 0 8 0 zombiepl 144 7122 0 7121 2 1 1 1 0 8 0 processpl 1072 7185 0 7121 5 0 5 5 0 8 0 procpl 680 17151 0 17063 9 0 9 9 0 8 0 sosppl 168 92 0 89 1 0 1 1 0 8 0 sockpl 488 10011 0 9975 120 107 13 30 0 8 8 mcl64k 65536 241 0 241 2 1 1 1 0 8 1 mcl16k 16384 179 0 179 1 1 0 1 0 8 0 mcl12k 12288 331 0 263 7 0 7 7 0 8 0 mcl9k 9216 113 0 113 2 1 1 1 0 8 1 mcl8k 8192 399 0 399 2 1 1 1 0 8 1 mcl4k 4096 654 0 654 2 1 1 1 0 8 1 mcl2k2 2112 46 0 46 1 1 0 1 0 8 0 mcl2k 2048 83433 0 83356 38 27 11 28 0 8 0 mtagpl 96 779 0 517 12 2 10 12 0 8 0 mbufpl 256 189355 0 188895 197 162 35 70 0 8 0 bufpl 280 13924 0 7532 457 0 457 457 0 8 0 anonpl 24 783501 0 770522 117 18 99 111 0 188 3 amapchunkpl 152 203907 0 203013 42 4 38 42 0 158 0 amappl16 200 16500 0 16035 52 18 34 38 0 8 8 amappl15 192 46 0 45 1 0 1 1 0 8 0 amappl14 184 199 0 187 2 1 1 2 0 8 0 amappl13 176 30 0 30 1 1 0 1 0 8 0 amappl12 168 7840 0 7811 2 0 2 2 0 8 0 amappl11 160 56 0 45 1 0 1 1 0 8 0 amappl10 152 59 0 48 1 0 1 1 0 8 0 amappl9 144 131 0 131 1 1 0 1 0 8 0 amappl8 136 401 0 313 4 0 4 4 0 8 0 amappl7 128 216 0 193 2 0 2 2 0 8 0 amappl6 120 537 0 522 1 0 1 1 0 8 0 amappl5 112 237 0 227 1 0 1 1 0 8 0 amappl4 104 616 0 590 2 1 1 2 0 8 0 amappl3 96 40878 0 40784 3 0 3 3 0 8 0 amappl2 88 7749 0 7676 3 1 2 3 0 8 0 amappl1 80 33856 0 33351 22 10 12 22 0 8 0 amappl 88 63401 0 63129 7 0 7 7 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 72 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 7091 0 6964 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 7091 0 6964 1 0 1 1 0 8 0 vmmpekpl 168 52223 0 52139 5 0 5 5 0 8 0 vmmpepl 168 425041 0 422648 152 26 126 135 0 357 15 vmsppl 352 7090 0 6964 12 0 12 12 0 8 0 rwobjpl 24 108968 0 101362 48 0 48 48 0 8 0 pdppl 4096 14188 0 14028 466 302 164 164 0 8 4 pvpl 32 1994289 0 1975709 372 192 180 362 0 265 6 pmappl 216 7090 0 6964 9 1 8 8 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 976 0 519 14 0 14 14 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a6e6ff0,deadbeefdeadbeef,0,80000310,fffffd8076dde970,fffffd807f7d7618) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6e6ff0,deadbeefdeadbeef,0,80000310,fffffd8076dde970,fffffd807f7d7618) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8076dde970,4,310,0,ffff80002a6e6ff0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8076dde970,4,310,0,ffff80002a6e6ff0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6e6ff0,ffff800032b975f0,ffff800032b97540) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800032b975f0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc47a0b234b0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a6e6ff0,deadbeefdeadbeef,0,80000310,fffffd8076dde970,fffffd807f7d7618) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6e6ff0,deadbeefdeadbeef,0,80000310,fffffd8076dde970,fffffd807f7d7618) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8076dde970,4,310,0,ffff80002a6e6ff0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8076dde970,4,310,0,ffff80002a6e6ff0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6e6ff0,ffff800032b975f0,ffff800032b97540) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800032b975f0) at syscall+0x751 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc47a0b234b0, count: -5