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(ffff80002a63d2a0,deaf4152deaf4152,0,80000112,fffffd8067c30a58,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a63d2a0,deaf4152deaf4152,0,80000112,fffffd8067c30a58,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8067c30a58,4,112,0,ffff80002a63d2a0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067c30a58,4,112,0,ffff80002a63d2a0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a63d2a0,ffff800032a0d230,ffff800032a0d280) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800032a0d2f0) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x60160ce9b00, count: -5 ddb> show registers rdi 0xffff800030ffa000 rsi 0x14f4 __ALIGN_SIZE+0x4f4 rbp 0xffff800032a0d020 rbx 0xdeaf4152deaf4152 rdx 0xffff800030ffa000 rcx 0x14f3 __ALIGN_SIZE+0x4f3 rax 0xffffffff818c9f93 ktrops+0x43 r8 0xfffffd8067c30a58 r9 0xfffffd807f7d76e8 r10 0x18f42ead0e71e302 r11 0x267a1cfbe7c1e6ed r12 0xdeaf4152deaf4152 r13 0xfffffd807f7d76e8 r14 0xffff80002a63d2a0 r15 0x80000112 __kernel_virt_to_phys+0x112 rip 0xffffffff818c9f9e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800032a0cfa0 ss 0x10 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor.5) tid=297101 pid=40771 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=82, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a63caa8,0xffff80002a63d800 process=0xffff80002db453b0 user=0xffff800032a08000, vmspace=0xfffffd807e1f42f8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 95159 281778 15348 0 2 0 syz-executor.4 98146 407508 75491 0 2 0 syz-executor.3 98146 308657 75491 0 2 0x4000000 syz-executor.3 35291 392454 4045 0 2 0 syz-executor.2 97814 364093 55783 0 2 0 syz-executor.0 97814 297312 55783 0 2 0x4000000 syz-executor.0 7990 9380 29328 0 2 0 syz-executor.1 7990 33573 29328 0 2 0x4000000 syz-executor.1 40771 232978 84357 0 2 0 syz-executor.5 *40771 297101 84357 0 7 0x4000000 syz-executor.5 41843 301902 4877 0 2 0 syz-executor.7 41843 407038 4877 0 3 0x4000080 netio syz-executor.7 47756 167376 7101 0 2 0x2 syz-executor.6 86402 313488 0 0 2 0x14280 nfsio 8577 179855 0 0 2 0x14280 nfsio 14522 311257 0 0 2 0x14280 nfsio 25695 385815 0 0 2 0x14280 nfsio 19587 25948 0 0 2 0x14280 nfsio 17104 169468 0 0 2 0x14280 nfsio 74161 266703 0 0 2 0x14280 nfsio 13446 433575 0 0 2 0x14280 nfsio 20274 117916 0 0 2 0x14280 nfsio 95438 422855 0 0 2 0x14280 nfsio 22646 416586 0 0 2 0x14280 nfsio 53879 478016 0 0 2 0x14280 nfsio 8576 314563 0 0 2 0x14280 nfsio 83904 494583 0 0 2 0x14280 nfsio 43689 520582 0 0 2 0x14280 nfsio 53925 116731 0 0 2 0x14280 nfsio 79320 44672 0 0 2 0x14280 nfsio 20197 109872 0 0 2 0x14280 nfsio 55234 356958 0 0 2 0x14280 nfsio 69153 288577 0 0 3 0x14200 acct acct 37401 337056 0 0 3 0x14200 bored sosplice 55783 46811 7101 0 3 0x82 nanoslp syz-executor.0 4877 165591 7101 0 3 0x82 nanoslp syz-executor.7 84357 158452 7101 0 3 0x82 nanoslp syz-executor.5 15348 390676 7101 0 3 0x82 nanoslp syz-executor.4 75491 297852 7101 0 3 0x82 nanoslp syz-executor.3 4045 140129 7101 0 3 0x82 nanoslp syz-executor.2 29328 31377 7101 0 3 0x82 nanoslp syz-executor.1 7101 349277 8204 0 3 0x2000082 thrsleep syz-fuzzer 7101 354461 8204 0 3 0x6000082 thrsleep syz-fuzzer 7101 306163 8204 0 3 0x6000082 wait syz-fuzzer 7101 307475 8204 0 3 0x6000082 thrsleep syz-fuzzer 7101 258492 8204 0 3 0x6000082 wait syz-fuzzer 7101 345961 8204 0 3 0x6000082 wait syz-fuzzer 7101 167614 8204 0 3 0x6000082 wait syz-fuzzer 7101 386507 8204 0 3 0x6000082 wait syz-fuzzer 7101 283184 8204 0 3 0x6000082 thrsleep syz-fuzzer 7101 294436 8204 0 3 0x6000082 wait syz-fuzzer 7101 432055 8204 0 3 0x6000082 thrsleep syz-fuzzer 7101 94887 8204 0 3 0x6000082 wait syz-fuzzer 7101 123455 8204 0 3 0x6000082 wait syz-fuzzer 7101 356222 8204 0 3 0x6000082 kqread syz-fuzzer 8204 457585 76704 0 3 0x10008a sigsusp ksh 76704 182820 44404 0 3 0x9a kqread sshd 23926 518944 1 0 3 0x100083 ttyin getty 44404 233596 1 0 3 0x88 kqread sshd 43613 184066 21711 73 3 0x1100090 kqread syslogd 21711 400713 1 0 3 0x100082 netio syslogd 61868 494365 1 0 3 0x100080 kqread resolvd 52274 242564 75458 77 3 0x100092 kqread dhcpleased 58727 11287 75458 77 3 0x100092 kqread dhcpleased 75458 44713 1 0 3 0x80 kqread dhcpleased 52318 95231 0 0 3 0x14200 bored smr 5579 294268 0 0 2 0x14200 zerothread 57810 467289 0 0 3 0x14200 aiodoned aiodoned 80690 346895 0 0 3 0x14200 syncer update 42795 198391 0 0 3 0x14200 cleaner cleaner 23233 361979 0 0 3 0x14200 reaper reaper 50737 363253 0 0 3 0x14200 pgdaemon pagedaemon 74227 397687 0 0 3 0x14200 bored viomb 72225 43099 0 0 3 0x40014200 acpi0 acpi0 98620 514782 0 0 3 0x14200 bored softnet3 18095 395879 0 0 3 0x14200 bored softnet2 43205 407053 0 0 3 0x14200 bored softnet1 48340 117320 0 0 3 0x14200 bored softnet0 78106 436658 0 0 3 0x14200 bored systqmp 76622 434769 0 0 3 0x14200 bored systq 40222 403492 0 0 3 0x40014200 tmoslp softclock 56556 154972 0 0 3 0x40014200 idle0 1 143806 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 10188 6474K 6864K 166960K 12859 0 pcb 15 13K 14K 166960K 110 0 rtable 236 15K 15K 166960K 491 0 pf 31 9K 9K 166960K 47 0 ifaddr 46 12K 12K 166960K 71 0 ifgroup 54 2K 2K 166960K 74 0 sysctl 2 0K 0K 166960K 2 0 counters 31 17K 17K 166960K 39 0 ioctlops 0 0K 2K 166960K 128 0 iov 0 0K 16K 166960K 115 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1437 90K 90K 166960K 1983 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 10 1K 1K 166960K 10 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 77K 166960K 1261 0 sigio 0 0K 0K 166960K 6 0 proc 57 59K 75K 166960K 569 0 subproc 104 6K 6K 166960K 130 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 13 0 in_multi 94 6K 7K 166960K 135 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 467 0 pfkey data 0 0K 0K 166960K 19 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 326 134K 138K 166960K 13859 0 UVM aobj 131 4K 4K 166960K 132 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 78 0 NDP 12 0K 2K 166960K 41 0 temp 73 5920K 5996K 166960K 12955 0 kqueue 12 18K 26K 166960K 138 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 97 0 94 2 1 1 2 0 8 0 rtentry 112 156 0 48 4 0 4 4 0 8 0 unpcb 144 815 0 802 8 2 6 6 0 8 5 syncache 312 16 0 16 2 1 1 1 0 8 1 tcpqe 32 296 0 296 3 3 0 1 0 8 0 tcpcb 808 462 0 451 9 1 8 8 0 8 6 arp 88 27 0 7 1 0 1 1 0 8 0 inpcb 336 1202 0 1187 19 11 8 16 0 8 6 nd6 104 32 0 9 1 0 1 1 0 8 0 pkpcb 40 21 0 21 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1160 6 0 6 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 592 0 136 29 0 29 29 0 8 0 art_table 32 593 0 136 4 0 4 4 0 8 0 art_node 16 147 0 52 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 15 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2974 0 1533 91 0 91 91 0 8 0 ffsino 240 2974 0 1533 86 0 86 86 0 8 0 nchpl 144 5218 0 3573 63 0 63 63 0 8 0 uvmvnodes 80 3651 0 0 75 0 75 75 0 8 0 vnodes 216 3651 0 0 203 0 203 203 0 8 0 namei 1024 17224 0 17224 3 2 1 3 0 8 1 vcpupl 2048 6 0 0 1 0 1 1 0 8 0 vmpool 664 6 0 0 1 0 1 1 0 8 0 kstatmem 264 40 0 16 2 0 2 2 0 8 0 scxspl 216 15523 0 15523 13 9 4 8 1 8 4 plimitpl 152 210 0 195 1 0 1 1 0 8 0 sigapl 424 1619 0 1554 8 0 8 8 0 8 0 futexpl 64 12201 0 12201 1 0 1 1 0 8 1 knotepl 120 14028 0 13945 4 0 4 4 0 8 0 kqueuepl 184 452 0 444 3 2 1 3 0 8 0 pipepl 288 359 0 331 7 2 5 5 0 8 2 fdescpl 432 1541 0 1513 4 0 4 4 0 8 0 filepl 120 9907 0 9670 15 2 13 13 0 8 3 lockfpl 104 339 0 337 1 0 1 1 0 8 0 lockfspl 48 123 0 121 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 28 0 12 1 0 1 1 0 8 0 ucredpl 104 757 0 747 1 0 1 1 0 8 0 zombiepl 144 1554 0 1554 1 0 1 1 0 8 1 processpl 1008 1619 0 1554 11 2 9 9 0 8 0 procpl 680 3379 0 3296 9 0 9 9 0 8 1 sosppl 168 6 0 3 1 0 1 1 0 8 0 sockpl 456 2136 0 2105 49 36 13 26 0 8 8 mcl64k 65536 43 0 43 1 0 1 1 0 8 1 mcl16k 16384 20 0 20 2 1 1 1 0 8 1 mcl12k 12288 50 0 50 2 1 1 1 0 8 1 mcl9k 9216 23 0 23 1 0 1 1 0 8 1 mcl8k 8192 71 0 71 2 1 1 1 0 8 1 mcl4k 4096 115 0 115 1 0 1 1 0 8 1 mcl2k2 2112 4 0 4 3 2 1 1 0 8 1 mcl2k 2048 71102 0 71048 42 33 9 30 0 8 1 mtagpl 96 117 0 51 3 1 2 2 0 8 0 mbufpl 256 123095 0 122927 146 124 22 60 0 8 8 bufpl 288 6275 0 140 439 0 439 439 0 8 0 anonpl 24 286451 0 272158 89 0 89 89 0 188 0 amapchunkpl 152 46142 0 45274 51 1 50 50 0 158 13 amappl16 200 7005 0 6599 23 0 23 23 0 8 0 amappl15 192 18 0 18 1 1 0 1 0 8 0 amappl14 184 155 0 143 2 1 1 2 0 8 0 amappl13 176 31 0 30 1 0 1 1 0 8 0 amappl12 168 2204 0 2176 2 0 2 2 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 34 0 24 1 0 1 1 0 8 0 amappl9 144 142 0 140 1 0 1 1 0 8 0 amappl8 136 226 0 172 2 0 2 2 0 8 0 amappl7 128 167 0 147 2 0 2 2 0 8 0 amappl6 120 276 0 265 1 0 1 1 0 8 0 amappl5 112 143 0 135 1 0 1 1 0 8 0 amappl4 104 429 0 410 2 1 1 2 0 8 0 amappl3 96 9382 0 9302 3 0 3 3 0 8 0 amappl2 88 2050 0 1976 3 0 3 3 0 8 0 amappl1 80 13798 0 13284 22 11 11 22 0 8 0 amappl 88 13314 0 13087 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 1547 0 1513 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1547 0 1513 1 0 1 1 0 8 0 vmmpekpl 168 16662 0 16606 3 0 3 3 0 8 0 vmmpepl 168 112062 0 109848 145 21 124 129 0 357 26 vmsppl 368 1546 0 1513 4 0 4 4 0 8 0 rwobjpl 24 37350 0 32174 33 1 32 32 0 8 0 pdppl 4096 3100 0 3032 142 72 70 70 0 8 2 pvpl 32 664929 0 645017 366 46 320 366 0 265 157 pmappl 216 1546 0 1513 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1042 0 250 23 0 23 23 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a63d2a0,deaf4152deaf4152,0,80000112,fffffd8067c30a58,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a63d2a0,deaf4152deaf4152,0,80000112,fffffd8067c30a58,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8067c30a58,4,112,0,ffff80002a63d2a0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067c30a58,4,112,0,ffff80002a63d2a0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a63d2a0,ffff800032a0d230,ffff800032a0d280) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800032a0d2f0) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x60160ce9b00, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a63d2a0,deaf4152deaf4152,0,80000112,fffffd8067c30a58,fffffd807f7d76e8) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a63d2a0,deaf4152deaf4152,0,80000112,fffffd8067c30a58,fffffd807f7d76e8) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd8067c30a58,4,112,0,ffff80002a63d2a0) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067c30a58,4,112,0,ffff80002a63d2a0) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a63d2a0,ffff800032a0d230,ffff800032a0d280) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800032a0d2f0) at syscall+0x543 sys/arch/amd64/amd64/trap.c:606 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x60160ce9b00, count: -5