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(ffff80002a6c0818,dead4110dead4110,0,80000120,fffffd8068aab288,fffffd807f7d71a0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6c0818,dead4110dead4110,0,80000120,fffffd8068aab288,fffffd807f7d71a0) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8068aab288,4,120,0,ffff80002a6c0818) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8068aab288,4,120,0,ffff80002a6c0818) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6c0818,ffff80002f5b37b0,ffff80002f5b3800) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002f5b3870) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd18e5338f40, count: -5 ddb> show registers rdi 0xffff80002a6c0818 rsi 0xdead4110dead4110 rbp 0xffff80002f5b35a0 rbx 0xdead4110dead4110 rdx 0 rcx 0x80000120 __kernel_virt_to_phys+0x120 rax 0xffff80002a6c0818 r8 0xfffffd8068aab288 r9 0xfffffd807f7d71a0 r10 0x75b6da5ce1f5899b r11 0xc8fded3a78b1ed1f r12 0xdead4110dead4110 r13 0xfffffd807f7d71a0 r14 0xffff80002a6c0818 r15 0x80000120 __kernel_virt_to_phys+0x120 rip 0xffffffff814f6b6e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002f5b3520 ss 0 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.7) tid=54298 pid=18856 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6c1010,0xffffffff82cc32a8 process=0xffff8000344073b0 user=0xffff80002f5ae000, vmspace=0xfffffd8072bd9e68 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 18856 172123 79601 0 2 0x10 syz-executor.7 *18856 54298 79601 0 7 0x4000010 syz-executor.7 61837 293332 23702 0 2 0x480 syz-executor.2 61837 216654 23702 0 3 0x4000080 ttyout syz-executor.2 79877 119720 43706 0 3 0x80 nanoslp syz-executor.6 79877 401612 43706 0 3 0x4000080 ttyout syz-executor.6 79877 390815 43706 0 3 0x4000080 fsleep syz-executor.6 99092 207131 0 0 3 0x14200 bored sosplice 26183 69267 33212 0 2 0x482 syz-executor.3 62839 353721 0 0 3 0x14280 nfsidl nfsio 60361 112689 0 0 3 0x14280 nfsidl nfsio 85856 146723 0 0 3 0x14280 nfsidl nfsio 88628 480560 0 0 3 0x14280 nfsidl nfsio 82919 59166 0 0 3 0x14280 nfsidl nfsio 57349 372534 0 0 3 0x14280 nfsidl nfsio 62575 209527 0 0 3 0x14280 nfsidl nfsio 11573 371361 0 0 3 0x14280 nfsidl nfsio 17624 477800 0 0 3 0x14280 nfsidl nfsio 98774 29022 0 0 3 0x14280 nfsidl nfsio 47776 488347 0 0 3 0x14280 nfsidl nfsio 35907 327938 0 0 3 0x14280 nfsidl nfsio 10235 60332 0 0 3 0x14280 nfsidl nfsio 11722 53079 0 0 3 0x14280 nfsidl nfsio 77306 35425 0 0 3 0x14280 nfsidl nfsio 45252 472947 0 0 3 0x14280 nfsidl nfsio 83525 61062 0 0 3 0x14280 nfsidl nfsio 99643 418208 0 0 3 0x14280 nfsidl nfsio 8810 180446 0 0 3 0x14280 nfsidl nfsio 40257 223838 0 0 3 0x14280 nfsidl nfsio 43706 116181 33212 0 3 0x82 nanoslp syz-executor.6 79601 401292 33212 0 3 0x82 nanoslp syz-executor.7 6830 213067 33212 0 2 0x482 syz-executor.4 23702 354793 33212 0 3 0x82 nanoslp syz-executor.2 47173 200857 33212 0 2 0x2 syz-executor.5 80408 171356 33212 0 2 0x482 syz-executor.0 34042 215169 33212 0 2 0x2 syz-executor.1 33212 502483 39469 0 3 0x2000082 thrsleep syz-fuzzer 33212 109577 39469 0 3 0x6000082 nanoslp syz-fuzzer 33212 364328 39469 0 2 0x6000002 syz-fuzzer 33212 489157 39469 0 3 0x6000082 wait syz-fuzzer 33212 119943 39469 0 3 0x6000082 wait syz-fuzzer 33212 332635 39469 0 3 0x6000082 wait syz-fuzzer 33212 255514 39469 0 3 0x6000082 wait syz-fuzzer 33212 258404 39469 0 3 0x6000082 thrsleep syz-fuzzer 33212 509112 39469 0 3 0x6000082 wait syz-fuzzer 33212 69746 39469 0 3 0x6000082 wait syz-fuzzer 33212 54471 39469 0 3 0x6000082 thrsleep syz-fuzzer 33212 24710 39469 0 3 0x6000082 wait syz-fuzzer 33212 27914 39469 0 3 0x6000082 wait syz-fuzzer 33212 203142 39469 0 3 0x6000082 thrsleep syz-fuzzer 39469 185788 49495 0 3 0x10008a sigsusp ksh 49495 356080 1886 0 3 0x9a kqread sshd 67757 410536 1 0 3 0x100083 ttyin getty 1886 496869 1 0 3 0x88 kqread sshd 97177 264066 26519 73 3 0x1100090 kqread syslogd 26519 494108 1 0 3 0x100082 netio syslogd 70712 78090 1 0 3 0x100080 kqread resolvd 38507 259232 38698 77 3 0x100092 kqread dhcpleased 46993 329102 38698 77 3 0x100092 kqread dhcpleased 38698 7205 1 0 3 0x80 kqread dhcpleased 59676 513032 0 0 3 0x14200 bored smr 11859 440002 0 0 2 0x14200 zerothread 57868 203622 0 0 3 0x14200 aiodoned aiodoned 62232 249330 0 0 3 0x14200 syncer update 72332 7214 0 0 3 0x14200 cleaner cleaner 96083 216693 0 0 3 0x14200 reaper reaper 41603 456292 0 0 3 0x14200 pgdaemon pagedaemon 51629 494991 0 0 3 0x14200 bored viomb 75312 342440 0 0 3 0x40014200 acpi0 acpi0 30090 147653 0 0 3 0x14200 bored softnet3 96718 450762 0 0 3 0x14200 bored softnet2 87393 504300 0 0 3 0x14200 bored softnet1 22479 295242 0 0 3 0x14200 bored softnet0 75997 260229 0 0 3 0x14200 bored systqmp 30836 484124 0 0 3 0x14200 bored systq 65786 81886 0 0 3 0x40014200 tmoslp softclock 61662 48653 0 0 3 0x40014200 idle0 1 422243 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 10198 6413K 7055K 166960K 12681 0 pcb 15 12K 14K 166960K 54 0 rtable 193 6K 6K 166960K 417 0 pf 28 8K 9K 166960K 71 0 ifaddr 36 10K 11K 166960K 66 0 ifgroup 47 2K 2K 166960K 118 0 sysctl 2 0K 0K 166960K 2 0 counters 29 17K 17K 166960K 46 0 ioctlops 0 0K 2K 166960K 39 0 iov 0 0K 32K 166960K 233 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1345 84K 84K 166960K 1798 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 42 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 190 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 13 45K 65K 166960K 945 0 sigio 0 0K 0K 166960K 13 0 proc 57 59K 75K 166960K 521 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 12 0 in_multi 77 5K 7K 166960K 116 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 217 970K 970K 166960K 217 0 exec 0 0K 1K 166960K 530 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 302 134K 136K 166960K 10927 0 UVM aobj 131 4K 4K 166960K 134 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 46 0 NDP 10 0K 2K 166960K 45 0 temp 73 5920K 5995K 166960K 12316 0 kqueue 12 18K 32K 166960K 120 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 54 0 51 1 0 1 1 0 8 0 rtentry 112 127 0 39 4 1 3 4 0 8 0 unpcb 144 500 0 485 3 0 3 3 0 8 2 syncache 312 7 0 7 2 2 0 1 0 8 0 tcpqe 32 137 0 137 1 1 0 1 0 8 0 tcpcb 808 203 0 198 6 3 3 5 0 8 2 arp 88 20 0 6 1 0 1 1 0 8 0 inpcb 336 825 0 817 18 9 9 16 0 8 8 nd6 104 29 0 11 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1160 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 256 515 0 148 29 5 24 29 0 8 0 art_table 32 516 0 148 4 0 4 4 0 8 0 art_node 16 123 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 185 0 175 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2595 0 1155 91 0 91 91 0 8 0 ffsino 240 2595 0 1155 85 0 85 85 0 8 0 nchpl 144 4257 0 2612 63 0 63 63 0 8 0 uvmvnodes 80 3048 0 0 63 0 63 63 0 8 0 vnodes 216 3048 0 0 170 0 170 170 0 8 0 namei 1024 15232 0 15232 5 4 1 3 0 8 1 vcpupl 2048 3 0 0 1 0 1 1 0 8 0 vmpool 664 6 0 3 2 1 1 1 0 8 0 kstatmem 264 54 0 34 2 0 2 2 0 8 0 scxspl 216 13642 0 13642 10 7 3 8 1 8 3 plimitpl 152 132 0 116 1 0 1 1 0 8 0 sigapl 424 1260 0 1196 8 0 8 8 0 8 0 futexpl 64 9841 0 9840 1 0 1 1 0 8 0 knotepl 120 12668 0 12586 4 0 4 4 0 8 0 kqueuepl 184 1426 0 1417 7 3 4 7 0 8 3 pipepl 288 202 0 174 3 0 3 3 0 8 1 fdescpl 432 1223 0 1199 5 1 4 4 0 8 0 filepl 120 9056 0 8809 16 1 15 15 0 8 7 lockfpl 104 606 0 604 2 0 2 2 0 8 1 lockfspl 48 163 0 161 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 69 0 53 1 0 1 1 0 8 0 ucredpl 104 868 0 856 1 0 1 1 0 8 0 zombiepl 144 1199 0 1196 1 0 1 1 0 8 0 processpl 1008 1260 0 1196 10 1 9 9 0 8 0 procpl 680 2566 0 2485 9 1 8 9 0 8 0 sosppl 168 9 0 9 1 0 1 1 0 8 1 sockpl 456 1384 0 1358 31 20 11 25 0 8 7 mcl64k 65536 35 0 35 2 1 1 1 0 8 1 mcl16k 16384 21 0 21 2 1 1 1 0 8 1 mcl12k 12288 19 0 19 1 0 1 1 0 8 1 mcl9k 9216 11 0 11 2 1 1 1 0 8 1 mcl8k 8192 74 0 74 2 1 1 1 0 8 1 mcl4k 4096 106 0 106 1 0 1 1 0 8 1 mcl2k2 2112 7 0 7 2 2 0 1 0 8 0 mcl2k 2048 71590 0 71546 30 22 8 28 0 8 1 mtagpl 96 104 0 62 3 1 2 2 0 8 0 mbufpl 256 118553 0 118396 25 10 15 16 0 8 0 bufpl 288 6261 0 168 436 0 436 436 0 8 0 anonpl 24 256690 0 241785 93 0 93 93 0 188 1 amapchunkpl 152 35407 0 34607 40 2 38 39 0 158 1 amappl16 200 6270 0 5815 26 1 25 25 0 8 0 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 151 0 140 2 1 1 2 0 8 0 amappl13 176 31 0 29 1 0 1 1 0 8 0 amappl12 168 1865 0 1839 3 1 2 2 0 8 0 amappl11 160 56 0 46 1 0 1 1 0 8 0 amappl10 152 26 0 16 1 0 1 1 0 8 0 amappl9 144 119 0 118 1 0 1 1 0 8 0 amappl8 136 195 0 137 3 0 3 3 0 8 1 amappl7 128 160 0 142 2 0 2 2 0 8 0 amappl6 120 252 0 247 1 0 1 1 0 8 0 amappl5 112 141 0 133 1 0 1 1 0 8 0 amappl4 104 410 0 391 2 1 1 2 0 8 0 amappl3 96 7716 0 7647 3 0 3 3 0 8 0 amappl2 88 1713 0 1643 3 0 3 3 0 8 0 amappl1 80 12535 0 12035 22 11 11 22 0 8 0 amappl 88 10403 0 10201 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 1229 0 1202 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1229 0 1202 1 0 1 1 0 8 0 vmmpekpl 168 14193 0 14140 3 0 3 3 0 8 0 vmmpepl 168 94100 0 92028 133 18 115 118 0 357 14 vmsppl 368 1228 0 1202 3 0 3 3 0 8 0 rwobjpl 24 32797 0 28189 29 1 28 28 0 8 0 pdppl 4096 2465 0 2407 138 72 66 68 0 8 8 pvpl 32 590437 0 570245 340 31 309 340 0 265 140 pmappl 216 1228 0 1202 3 1 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 895 0 133 23 0 23 23 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a6c0818,dead4110dead4110,0,80000120,fffffd8068aab288,fffffd807f7d71a0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6c0818,dead4110dead4110,0,80000120,fffffd8068aab288,fffffd807f7d71a0) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8068aab288,4,120,0,ffff80002a6c0818) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8068aab288,4,120,0,ffff80002a6c0818) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6c0818,ffff80002f5b37b0,ffff80002f5b3800) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002f5b3870) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd18e5338f40, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a6c0818,dead4110dead4110,0,80000120,fffffd8068aab288,fffffd807f7d71a0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6c0818,dead4110dead4110,0,80000120,fffffd8068aab288,fffffd807f7d71a0) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8068aab288,4,120,0,ffff80002a6c0818) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8068aab288,4,120,0,ffff80002a6c0818) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6c0818,ffff80002f5b37b0,ffff80002f5b3800) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002f5b3870) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd18e5338f40, count: -5