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(ffff80002a6782c8,deafbeaddeafbead,0,80000310,fffffd805b48d2e8,fffffd807f7d7820) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6782c8,deafbeaddeafbead,0,80000310,fffffd805b48d2e8,fffffd807f7d7820) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd805b48d2e8,4,310,0,ffff80002a6782c8) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd805b48d2e8,4,310,0,ffff80002a6782c8) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6782c8,ffff8000378412c0,ffff800037841300) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000378413c0) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd43a2266b20, count: -5 ddb> show registers rdi 0xffff80002a6782c8 rsi 0xdeafbeaddeafbead rbp 0xffff8000378410b0 rbx 0xdeafbeaddeafbead rdx 0 rcx 0x80000310 __kernel_virt_to_phys+0x310 rax 0xffff80002a6782c8 r8 0xfffffd805b48d2e8 r9 0xfffffd807f7d7820 r10 0x32e438524beb1221 r11 0x5e2c92cee9685f28 r12 0xdeafbeaddeafbead r13 0xfffffd807f7d7820 r14 0xffff80002a6782c8 r15 0x80000310 __kernel_virt_to_phys+0x310 rip 0xffffffff819e305e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037841030 ss 0 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.0) tid=506436 pid=51309 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=80, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a676808,0xffff80002a679ac0 process=0xffff8000ffff65c0 user=0xffff80003783c000, vmspace=0xfffffd8079ae9428 estcpu=30, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 42821 154299 3134 0 2 0 syz-executor.6 42821 135841 3134 0 2 0x4000000 syz-executor.6 42821 477326 3134 0 3 0x4000000 inode syz-executor.6 51309 376782 93065 0 2 0 syz-executor.0 *51309 506436 93065 0 7 0x4000000 syz-executor.0 51309 510682 93065 0 3 0x4000080 netio syz-executor.0 51309 523723 93065 0 3 0x4000080 fsleep syz-executor.0 27723 471120 30579 0 2 0 syz-executor.3 27723 193297 30579 0 3 0x4000000 inode syz-executor.3 27723 253755 30579 0 2 0x4000000 syz-executor.3 13049 382371 16497 0 3 0x80 nanoslp syz-executor.2 13049 274092 16497 0 3 0x4000080 pipewr syz-executor.2 13049 355252 16497 0 3 0x4000080 pipewr syz-executor.2 13049 521658 16497 0 3 0x4000080 fsleep syz-executor.2 16497 231377 74130 0 3 0x82 nanoslp syz-executor.2 3134 404149 74130 0 3 0x82 nanoslp syz-executor.6 21089 55800 74130 0 2 0x2 syz-executor.5 23974 222198 74130 0 3 0x2 biowait syz-executor.1 63620 201788 1 0 3 0x100083 ttyin getty 74909 490533 0 0 3 0x14200 acct acct 30579 450166 74130 0 3 0x82 nanoslp syz-executor.3 34054 402583 0 0 3 0x14200 bored sosplice 35080 500255 0 0 3 0x14280 nfsidl nfsio 69907 451082 0 0 3 0x14280 nfsidl nfsio 92623 5455 0 0 3 0x14280 nfsidl nfsio 21737 315412 0 0 3 0x14280 nfsidl nfsio 71282 282262 0 0 3 0x14280 nfsidl nfsio 34351 331342 0 0 3 0x14280 nfsidl nfsio 75850 444092 0 0 3 0x14280 nfsidl nfsio 35908 95693 0 0 3 0x14280 nfsidl nfsio 22101 469861 0 0 3 0x14280 nfsidl nfsio 15852 212704 0 0 3 0x14280 nfsidl nfsio 30388 348733 0 0 3 0x14280 nfsidl nfsio 66541 337319 0 0 3 0x14280 nfsidl nfsio 35056 269221 0 0 3 0x14280 nfsidl nfsio 21499 19455 0 0 3 0x14280 nfsidl nfsio 96485 424836 0 0 3 0x14280 nfsidl nfsio 42954 84914 0 0 3 0x14280 nfsidl nfsio 14831 473436 0 0 3 0x14280 nfsidl nfsio 30533 445613 0 0 3 0x14280 nfsidl nfsio 22131 24757 0 0 3 0x14280 nfsidl nfsio 29471 171365 0 0 3 0x14280 nfsidl nfsio 21175 160225 74130 0 3 0x2 biowait syz-executor.7 93065 54501 74130 0 3 0x82 nanoslp syz-executor.0 74130 173780 2470 0 3 0x2000082 thrsleep syz-fuzzer 74130 37887 2470 0 3 0x6000082 nanoslp syz-fuzzer 74130 17277 2470 0 3 0x6000082 wait syz-fuzzer 74130 46892 2470 0 2 0x6000002 syz-fuzzer 74130 202740 2470 0 3 0x6000082 wait syz-fuzzer 74130 211821 2470 0 2 0x6000002 syz-fuzzer 74130 170589 2470 0 3 0x6000082 wait syz-fuzzer 74130 170752 2470 0 3 0x6000082 thrsleep syz-fuzzer 74130 330625 2470 0 3 0x6000082 thrsleep syz-fuzzer 74130 243526 2470 0 3 0x6000082 wait syz-fuzzer 74130 463297 2470 0 3 0x6000082 thrsleep syz-fuzzer 74130 365555 2470 0 3 0x6000082 wait syz-fuzzer 74130 484655 2470 0 3 0x6000082 wait syz-fuzzer 74130 85235 2470 0 3 0x6000082 wait syz-fuzzer 2470 377116 33063 0 3 0x10008a sigsusp ksh 33063 247226 13271 0 3 0x9a kqread sshd 13271 348603 1 0 3 0x88 kqread sshd 9722 46518 97335 73 3 0x1100090 kqread syslogd 97335 44865 1 0 3 0x100082 netio syslogd 65603 190948 1 0 3 0x100080 kqread resolvd 27373 185717 28382 77 3 0x100092 kqread dhcpleased 59289 335150 28382 77 3 0x100092 kqread dhcpleased 28382 4594 1 0 3 0x80 kqread dhcpleased 9458 24490 0 0 3 0x14200 bored smr 82359 318480 0 0 2 0x14200 zerothread 98404 65770 0 0 3 0x14200 aiodoned aiodoned 64749 386062 0 0 3 0x14200 syncer update 56923 172619 0 0 3 0x14200 cleaner cleaner 87725 256495 0 0 3 0x14200 reaper reaper 63174 455052 0 0 3 0x14200 pgdaemon pagedaemon 56227 292339 0 0 3 0x14200 bored viomb 85938 423983 0 0 3 0x40014200 acpi0 acpi0 8516 184616 0 0 3 0x14200 bored softnet3 88463 228852 0 0 3 0x14200 bored softnet2 93823 521112 0 0 3 0x14200 bored softnet1 7083 469825 0 0 3 0x14200 bored softnet0 51225 499111 0 0 3 0x14200 bored systqmp 98180 377596 0 0 3 0x14200 bored systq 19109 308819 0 0 3 0x40014200 tmoslp softclock 47545 382172 0 0 3 0x40014200 idle0 1 397129 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 10207 6418K 7076K 166960K 14273 0 pcb 15 11K 11K 166960K 54 0 rtable 204 14K 15K 166960K 568 0 pf 29 8K 9K 166960K 130 0 ifaddr 38 10K 11K 166960K 107 0 ifgroup 50 2K 2K 166960K 201 0 sysctl 3 1K 1K 166960K 3 0 counters 30 17K 17K 166960K 71 0 ioctlops 0 0K 2K 166960K 59 0 iov 0 0K 12K 166960K 170 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1352 85K 85K 166960K 2208 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 29 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 255 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 13 45K 69K 166960K 2034 0 sigio 0 0K 0K 166960K 26 0 proc 58 59K 75K 166960K 690 0 subproc 91 5K 6K 166960K 169 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 27 0 in_multi 83 6K 7K 166960K 172 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 211 943K 943K 166960K 211 0 exec 0 0K 1K 166960K 793 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 333 128K 138K 166960K 20445 0 UVM aobj 120 3K 3K 166960K 123 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 33 0 NDP 11 0K 1K 166960K 80 0 temp 71 6703K 6770K 166960K 13695 0 kqueue 12 18K 30K 166960K 169 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 120 188 0 185 3 2 1 3 0 8 0 rtentry 112 184 0 92 4 0 4 4 0 8 1 unpcb 144 1074 0 1059 12 8 4 9 0 8 3 syncache 312 22 0 22 4 3 1 1 0 8 1 tcpqe 32 113 0 113 5 4 1 1 0 8 1 tcpcb 808 309 0 289 7 4 3 4 0 8 0 arp 88 31 0 17 1 0 1 1 0 8 0 inpcb 336 1078 0 1055 21 14 7 8 0 8 4 nd6 104 43 0 24 1 0 1 1 0 8 0 kcovpl 48 13 0 6 1 0 1 1 0 8 0 ppxss 1160 16 0 16 3 3 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 770 0 357 37 7 30 30 0 8 3 art_table 32 771 0 357 4 0 4 4 0 8 0 art_node 16 181 0 97 1 0 1 1 0 8 0 sysvmsgpl 40 61 0 61 3 3 0 1 0 8 0 semapl 112 250 0 240 1 0 1 1 0 8 0 shmpl 112 120 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 3940 0 2495 91 0 91 91 0 8 0 ffsino 240 3941 0 2495 86 0 86 86 0 8 0 nchpl 144 6637 0 4981 63 0 63 63 0 8 0 uvmvnodes 80 4672 0 0 96 0 96 96 0 8 0 vnodes 216 4672 0 0 260 0 260 260 0 8 0 namei 1024 21409 0 21407 4 3 1 3 0 8 0 vcpupl 2048 4 0 0 1 0 1 1 0 8 0 vmpool 664 4 0 0 1 0 1 1 0 8 0 kstatmem 264 104 0 82 2 0 2 2 0 8 0 scxspl 216 21537 0 21476 15 10 5 8 1 8 0 plimitpl 152 161 0 147 1 0 1 1 0 8 0 sigapl 424 2340 0 2278 8 0 8 8 0 8 0 futexpl 64 19461 0 19459 1 0 1 1 0 8 0 knotepl 120 21095 0 21014 6 2 4 6 0 8 0 kqueuepl 184 462 0 454 5 4 1 4 0 8 0 pipepl 288 359 0 330 9 4 5 7 0 8 2 fdescpl 432 2302 0 2278 4 0 4 4 0 8 0 filepl 120 10830 0 10601 19 9 10 15 0 8 0 lockfpl 104 335 0 333 1 0 1 1 0 8 0 lockfspl 48 150 0 148 1 0 1 1 0 8 0 sessionpl 144 30 0 15 1 0 1 1 0 8 0 pgrppl 48 110 0 95 1 0 1 1 0 8 0 ucredpl 104 1415 0 1403 1 0 1 1 0 8 0 zombiepl 144 2278 0 2278 1 0 1 1 0 8 1 processpl 1072 2340 0 2278 5 0 5 5 0 8 0 procpl 680 5106 0 5021 12 3 9 9 0 8 1 sosppl 168 23 0 23 4 3 1 1 0 8 1 sockpl 456 2344 0 2303 54 40 14 30 0 8 8 mcl64k 65536 83 0 83 3 2 1 1 0 8 1 mcl16k 16384 39 0 39 3 2 1 1 0 8 1 mcl12k 12288 40 0 40 4 3 1 1 0 8 1 mcl9k 9216 30 0 30 5 4 1 1 0 8 1 mcl8k 8192 89 0 89 5 4 1 1 0 8 1 mcl4k 4096 395 0 394 3 2 1 1 0 8 0 mcl2k2 2112 14 0 14 3 3 0 1 0 8 0 mcl2k 2048 69721 0 69674 35 27 8 30 0 8 0 mtagpl 96 454 0 251 9 1 8 8 0 8 1 mbufpl 256 133764 0 133436 175 136 39 79 0 8 8 bufpl 288 7595 0 1202 457 0 457 457 0 8 0 anonpl 24 383818 0 370172 129 22 107 107 0 188 19 amapchunkpl 152 66067 0 65222 51 12 39 43 0 158 3 amappl16 200 9959 0 9583 46 18 28 32 0 8 7 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 198 0 186 2 1 1 2 0 8 0 amappl13 176 24 0 23 1 0 1 1 0 8 0 amappl12 168 3056 0 3030 3 1 2 2 0 8 0 amappl11 160 55 0 44 1 0 1 1 0 8 0 amappl10 152 33 0 25 1 0 1 1 0 8 0 amappl9 144 123 0 121 1 0 1 1 0 8 0 amappl8 136 232 0 172 3 0 3 3 0 8 0 amappl7 128 239 0 217 2 1 1 2 0 8 0 amappl6 120 317 0 311 1 0 1 1 0 8 0 amappl5 112 158 0 150 1 0 1 1 0 8 0 amappl4 104 445 0 422 2 1 1 2 0 8 0 amappl3 96 13448 0 13366 3 0 3 3 0 8 0 amappl2 88 2826 0 2756 3 1 2 3 0 8 0 amappl1 80 16709 0 16207 22 10 12 22 0 8 0 amappl 88 19873 0 19655 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 72 122 0 3 3 0 3 3 0 8 0 uaddrrnd 24 2306 0 2278 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2306 0 2278 1 0 1 1 0 8 0 vmmpekpl 168 21298 0 21244 3 0 3 3 0 8 0 vmmpepl 168 157293 0 155234 146 36 110 113 0 357 10 vmsppl 352 2305 0 2278 3 0 3 3 0 8 0 rwobjpl 24 49242 0 43072 39 1 38 38 0 8 0 pdppl 4096 4618 0 4560 156 88 68 68 0 8 10 pvpl 32 876029 0 857034 395 205 190 362 0 265 28 pmappl 216 2305 0 2278 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1116 0 301 25 0 25 25 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a6782c8,deafbeaddeafbead,0,80000310,fffffd805b48d2e8,fffffd807f7d7820) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6782c8,deafbeaddeafbead,0,80000310,fffffd805b48d2e8,fffffd807f7d7820) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd805b48d2e8,4,310,0,ffff80002a6782c8) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd805b48d2e8,4,310,0,ffff80002a6782c8) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6782c8,ffff8000378412c0,ffff800037841300) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000378413c0) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd43a2266b20, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a6782c8,deafbeaddeafbead,0,80000310,fffffd805b48d2e8,fffffd807f7d7820) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6782c8,deafbeaddeafbead,0,80000310,fffffd805b48d2e8,fffffd807f7d7820) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd805b48d2e8,4,310,0,ffff80002a6782c8) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd805b48d2e8,4,310,0,ffff80002a6782c8) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6782c8,ffff8000378412c0,ffff800037841300) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff8000378413c0) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd43a2266b20, count: -5