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(ffff80002a6e3548,deadbeefdeadbeef,0,80000110,fffffd8067368948,fffffd807f7d7820) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6e3548,deadbeefdeadbeef,0,80000110,fffffd8067368948,fffffd807f7d7820) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8067368948,4,110,0,ffff80002a6e3548) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067368948,4,110,0,ffff80002a6e3548) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6e3548,ffff800030e73370,ffff800030e732c0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800030e73370) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29f05ec5660, count: -5 ddb> show registers rdi 0xffff80002c0ea000 rsi 0xc4e rbp 0xffff800030e730a0 rbx 0xfffffd807f7d7820 rdx 0xffff80002c0ea000 rcx 0xc4d rax 0xffffffff8227a743 ktrops+0x43 r8 0xfffffd8067368948 r9 0xfffffd807f7d7820 r10 0xcc5b1b72405b8241 r11 0xbf7285b70cacf63c r12 0xffff80002a6e3548 r13 0xdeadbeefdeadbeef r14 0xdeadbeefdeadbeef r15 0x80000110 __kernel_virt_to_phys+0x110 rip 0xffffffff8227a74f ktrops+0x4f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800030e73020 ss 0x10 ktrops+0x4f: movq 0x8(%r14),%r14 ddb> show proc PROC (syz-executor.6) tid=269104 pid=74352 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=84, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a6e3d40,0xffff80002a678ad0 process=0xffff800035dc1508 user=0xffff800030e6e000, vmspace=0xfffffd806781c428 estcpu=34, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74352 328806 98907 0 2 0 syz-executor.6 *74352 269104 98907 0 7 0x4000000 syz-executor.6 68553 29876 3165 0 2 0 syz-executor.0 68553 414852 3165 0 2 0x4000000 syz-executor.0 3392 75714 90572 0 2 0 syz-executor.7 3392 132152 90572 0 3 0x4000080 fsleep syz-executor.7 4131 355521 13089 0 2 0 syz-executor.3 4131 148124 13089 0 2 0x4000480 syz-executor.3 4131 519782 13089 0 2 0x4000000 syz-executor.3 65926 488898 0 0 2 0x14280 nfsio 12987 104942 0 0 2 0x14280 nfsio 10943 257800 0 0 2 0x14280 nfsio 5575 83379 0 0 2 0x14280 nfsio 71895 414652 0 0 2 0x14280 nfsio 98711 360656 0 0 2 0x14280 nfsio 77370 26639 0 0 2 0x14280 nfsio 86711 353687 0 0 2 0x14280 nfsio 28642 423137 0 0 2 0x14280 nfsio 89346 264907 0 0 2 0x14280 nfsio 69497 289040 0 0 2 0x14280 nfsio 91646 389135 0 0 2 0x14280 nfsio 22180 279927 0 0 2 0x14280 nfsio 96938 314276 0 0 2 0x14280 nfsio 30547 414083 0 0 2 0x14280 nfsio 6856 467973 0 0 2 0x14280 nfsio 40510 46730 0 0 2 0x14280 nfsio 95445 305762 0 0 2 0x14280 nfsio 35230 209821 0 0 2 0x14280 nfsio 16865 423015 1868 0 3 0x80 nanoslp syz-executor.5 16865 127030 1868 0 3 0x4000080 fsleep syz-executor.5 32033 145362 5034 0 3 0x80 nanoslp syz-executor.1 32033 164904 5034 0 3 0x4000080 ttyout syz-executor.1 32033 490936 5034 0 3 0x4000080 fsleep syz-executor.1 85126 200631 0 0 3 0x14200 acct acct 90572 225859 51695 0 3 0x82 nanoslp syz-executor.7 94953 54733 51695 0 3 0x82 nanoslp syz-executor.4 13089 246778 51695 0 2 0x482 syz-executor.3 1868 302379 51695 0 3 0x82 nanoslp syz-executor.5 98907 46682 51695 0 3 0x82 nanoslp syz-executor.6 5034 290450 51695 0 3 0x82 nanoslp syz-executor.1 43041 45196 51695 0 2 0x482 syz-executor.2 3165 110452 51695 0 3 0x82 nanoslp syz-executor.0 39341 38594 1 0 3 0x18100083 ttyopn getty 42780 23618 0 0 3 0x14200 bored sosplice 51695 335330 33872 0 3 0x1a000082 wait syz-fuzzer 51695 88839 33872 0 3 0x1e000082 thrsleep syz-fuzzer 51695 156270 33872 0 3 0x1e000082 thrsleep syz-fuzzer 51695 360337 33872 0 3 0x1e000082 wait syz-fuzzer 51695 365052 33872 0 3 0x1e000082 kqread syz-fuzzer 51695 490413 33872 0 3 0x1e000082 wait syz-fuzzer 51695 107705 33872 0 3 0x1e000082 wait syz-fuzzer 51695 342583 33872 0 3 0x1e000082 thrsleep syz-fuzzer 51695 277449 33872 0 3 0x1e000082 wait syz-fuzzer 51695 148864 33872 0 3 0x1e000082 thrsleep syz-fuzzer 51695 181706 33872 0 3 0x1e000082 thrsleep syz-fuzzer 51695 388435 33872 0 3 0x1e000082 wait syz-fuzzer 51695 216471 33872 0 3 0x1e000082 wait syz-fuzzer 51695 354945 33872 0 3 0x1e000082 wait syz-fuzzer 33872 176443 18599 0 3 0x810008a sigsusp ksh 18599 122825 87366 0 3 0x1800009a kqread sshd 87366 168588 1 0 3 0x18000088 kqread sshd 159 145771 36292 73 3 0x19100090 kqread syslogd 36292 414632 1 0 3 0x18100082 netio syslogd 4507 498240 1 0 3 0x18100080 kqread resolvd 54495 104274 13516 77 3 0x18100092 kqread dhcpleased 45153 385430 13516 77 3 0x18100092 kqread dhcpleased 13516 119162 1 0 3 0x18000080 kqread dhcpleased 92547 363697 0 0 3 0x14200 bored smr 37685 377102 0 0 2 0x14200 zerothread 78870 238338 0 0 3 0x14200 aiodoned aiodoned 58566 370147 0 0 3 0x14200 syncer update 48853 20597 0 0 3 0x14200 cleaner cleaner 73424 271104 0 0 3 0x14200 reaper reaper 30130 319822 0 0 3 0x14200 pgdaemon pagedaemon 69795 475081 0 0 3 0x14200 bored viomb 52077 474506 0 0 3 0x40014200 acpi0 acpi0 99999 41927 0 0 3 0x14200 bored softnet3 87475 351416 0 0 3 0x14200 bored softnet2 21184 106811 0 0 3 0x14200 bored softnet1 99025 270580 0 0 3 0x14200 bored softnet0 63777 286830 0 0 3 0x14200 bored systqmp 92509 123545 0 0 3 0x14200 bored systq 44027 355444 0 0 2 0x40014200 softclock 93482 521131 0 0 3 0x40014200 idle0 1 390339 0 0 3 0x8000082 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 6423K 7450K 166960K 25509 0 pcb 15 20K 22K 166960K 555 0 rtable 220 10K 11K 166960K 1864 0 pf 29 8K 9K 166960K 278 0 ifaddr 40 11K 12K 166960K 278 0 ifgroup 50 2K 2K 166960K 429 0 sysctl 3 0K 0K 166960K 3 0 counters 30 17K 17K 166960K 146 0 ioctlops 0 0K 2K 166960K 630 0 iov 0 0K 26K 166960K 805 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1497 94K 94K 166960K 5727 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 85 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 1254 0 dirhash 12 2K 2K 166960K 39 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 81K 166960K 6383 0 sigio 0 0K 0K 166960K 182 0 proc 58 59K 83K 166960K 1773 0 subproc 104 6K 6K 166960K 585 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 603 0 in_multi 88 6K 7K 166960K 558 0 ether_multi 1 0K 0K 166960K 4 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 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 1597 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 385 268K 290K 166960K 59350 0 UVM aobj 131 8K 8K 166960K 140 0 pinsyscall 22 44K 100K 166960K 2441 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 267 0 NDP 11 0K 1K 166960K 217 0 temp 74 6804K 6884K 166960K 31255 0 kqueue 12 18K 27K 166960K 597 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 120 753 0 750 3 0 3 3 0 8 2 rtentry 112 584 0 484 5 1 4 4 0 8 1 unpcb 144 5273 0 5260 18 10 8 8 0 8 7 syncache 336 48 0 48 3 2 1 1 0 8 1 sackhl 24 2 0 2 1 0 1 1 0 8 1 tcpqe 32 153 0 153 3 2 1 1 0 8 1 tcpcb 808 2289 0 2281 30 21 9 17 0 8 7 arp 88 111 0 95 1 0 1 1 0 8 0 ipq 40 3 0 3 2 1 1 1 0 8 1 ipqe 40 9 0 9 2 1 1 1 0 8 1 inpcb 360 5953 0 5940 35 26 9 16 0 8 7 nd6 104 137 0 115 1 0 1 1 0 8 0 pkpcb 40 9 0 9 2 1 1 1 0 8 1 kcovpl 48 45 0 37 1 0 1 1 0 8 0 ppxss 1072 51 0 51 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2156 0 1740 42 16 26 29 0 8 0 art_table 32 2157 0 1740 4 0 4 4 0 8 0 art_node 16 573 0 482 1 0 1 1 0 8 0 sysvmsgpl 40 35 0 35 1 1 0 1 0 8 0 semupl 112 6 0 6 1 1 0 1 0 8 0 semapl 112 1248 0 1238 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 35 0 18 3 0 3 3 0 8 0 dino2pl 256 9610 0 8080 96 0 96 96 0 8 0 ffsino 240 9610 0 8080 91 0 91 91 0 8 0 nchpl 144 18007 0 16267 66 0 66 66 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 64348 0 64348 3 2 1 3 0 8 1 vcpupl 2048 152 0 2 19 0 19 19 0 8 0 vmpool 664 171 0 21 13 0 13 13 0 8 0 kstatmem 264 254 0 232 2 0 2 2 0 8 0 scxspl 216 70249 0 70249 12 9 3 8 1 8 3 plimitpl 152 708 0 691 1 0 1 1 0 8 0 sigapl 424 6883 0 6817 8 0 8 8 0 8 0 futexpl 64 59159 0 59156 1 0 1 1 0 8 0 knotepl 120 55347 0 55265 11 1 10 11 0 8 7 kqueuepl 184 1332 0 1322 10 6 4 7 0 8 3 pipepl 288 1552 0 1524 20 10 10 11 0 8 8 fdescpl 432 6583 0 6556 4 0 4 4 0 8 0 filepl 120 41886 0 41641 29 12 17 17 0 8 9 lockfpl 104 2660 0 2658 3 1 2 2 0 8 1 lockfspl 48 980 0 978 1 0 1 1 0 8 0 sessionpl 144 61 0 45 1 0 1 1 0 8 0 pgrppl 48 272 0 256 1 0 1 1 0 8 0 ucredpl 104 5186 0 5176 1 0 1 1 0 8 0 zombiepl 144 6819 0 6817 1 0 1 1 0 8 0 processpl 1072 6883 0 6817 5 0 5 5 0 8 0 procpl 680 15832 0 15745 10 1 9 9 0 8 1 sosppl 168 103 0 101 2 1 1 1 0 8 0 sockpl 488 11997 0 11968 174 161 13 29 0 8 8 mcl64k 65536 387 0 387 3 2 1 1 0 8 1 mcl16k 16384 166 0 166 3 2 1 1 0 8 1 mcl12k 12288 258 0 258 3 2 1 1 0 8 1 mcl9k 9216 97 0 97 3 2 1 1 0 8 1 mcl8k 8192 542 0 542 3 2 1 1 0 8 1 mcl4k 4096 678 0 678 5 1 4 4 0 8 4 mcl2k2 2112 52 0 52 3 2 1 1 0 8 1 mcl2k 2048 87264 0 87214 49 36 13 29 0 8 5 mtagpl 96 1604 0 1447 16 3 13 15 0 8 9 mbufpl 256 199903 0 199588 438 415 23 279 0 8 0 bufpl 280 15301 0 8959 454 0 454 454 0 8 0 anonpl 24 754767 0 739873 183 19 164 164 0 188 64 amapchunkpl 152 190619 0 189730 80 13 67 67 0 158 29 amappl16 200 15486 0 15055 51 19 32 36 0 8 8 amappl15 192 67 0 66 1 0 1 1 0 8 0 amappl14 184 271 0 258 2 1 1 2 0 8 0 amappl13 176 30 0 29 1 0 1 1 0 8 0 amappl12 168 7768 0 7739 2 0 2 2 0 8 0 amappl11 160 55 0 43 1 0 1 1 0 8 0 amappl10 152 86 0 77 1 0 1 1 0 8 0 amappl9 144 188 0 188 2 1 1 1 0 8 1 amappl8 136 373 0 294 3 0 3 3 0 8 0 amappl7 128 84 0 70 1 0 1 1 0 8 0 amappl6 120 805 0 786 2 1 1 2 0 8 0 amappl5 112 454 0 442 1 0 1 1 0 8 0 amappl4 104 917 0 879 2 0 2 2 0 8 0 amappl3 96 37221 0 37141 4 1 3 3 0 8 0 amappl2 88 7323 0 7252 4 2 2 4 0 8 0 amappl1 80 34043 0 33548 21 9 12 21 0 8 0 amappl 88 58366 0 58126 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 6754 0 6577 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6754 0 6577 2 0 2 2 0 8 0 vmmpekpl 168 51774 0 51701 4 0 4 4 0 8 0 vmmpepl 168 418364 0 415990 225 94 131 161 0 357 18 vmsppl 352 6753 0 6577 17 0 17 17 0 8 0 rwobjpl 24 105166 0 97645 47 0 47 47 0 8 0 pdppl 4096 13514 0 13304 550 335 215 220 0 8 5 pvpl 32 2313482 0 2292613 588 286 302 388 0 265 127 pmappl 216 6753 0 6577 11 0 11 11 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1372 0 847 18 0 18 18 0 8 1 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a6e3548,deadbeefdeadbeef,0,80000110,fffffd8067368948,fffffd807f7d7820) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6e3548,deadbeefdeadbeef,0,80000110,fffffd8067368948,fffffd807f7d7820) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8067368948,4,110,0,ffff80002a6e3548) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067368948,4,110,0,ffff80002a6e3548) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6e3548,ffff800030e73370,ffff800030e732c0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800030e73370) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29f05ec5660, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a6e3548,deadbeefdeadbeef,0,80000110,fffffd8067368948,fffffd807f7d7820) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6e3548,deadbeefdeadbeef,0,80000110,fffffd8067368948,fffffd807f7d7820) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8067368948,4,110,0,ffff80002a6e3548) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067368948,4,110,0,ffff80002a6e3548) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6e3548,ffff800030e73370,ffff800030e732c0) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800030e73370) at syscall+0x538 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29f05ec5660, count: -5