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(ffff80002a6c34a8,deaf4152deaf4152,0,a0c7df9b,fffffd8067f967a8,fffffd807f7d7888) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6c34a8,deaf4152deaf4152,0,a0c7df9b,fffffd8067f967a8,fffffd807f7d7888) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8067f967a8,4,20c7df9b,0,ffff80002a6c34a8) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067f967a8,4,20c7df9b,0,ffff80002a6c34a8) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6c34a8,ffff800037813ef0,ffff800037813e40) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037813ef0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5c57cfa40c0, count: -5 ddb> show registers rdi 0xffff80002db56000 rsi 0x3c29 __ALIGN_SIZE+0x2c29 rbp 0xffff800037813c10 rbx 0xfffffd807f7d7888 rdx 0xffff80002db56000 rcx 0x3c28 __ALIGN_SIZE+0x2c28 rax 0xffffffff826afb43 ktrops+0x43 r8 0xfffffd8067f967a8 r9 0xfffffd807f7d7888 r10 0x49387dee9a840b24 r11 0x8c8dc5249cbc4a71 r12 0xffff80002a6c34a8 r13 0xdeaf4152deaf4152 r14 0xdeaf4152deaf4152 r15 0xa0c7df9b rip 0xffffffff826afb4f ktrops+0x4f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037813b90 ss 0x10 ktrops+0x4f: movq 0x8(%r14),%r14 ddb> show proc PROC (syz-executor.1) tid=515831 pid=60960 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a64ca78,0xffff80002a6c39d8 process=0xffff80002f5b4880 user=0xffff80003780e000, vmspace=0xfffffd806931d168 estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 33345 125178 7111 0 2 0x8000000 syz-executor.5 33345 233864 7111 0 2 0xc000000 syz-executor.5 60960 258283 60033 0 2 0x8000000 syz-executor.1 *60960 515831 60033 0 7 0xc000000 syz-executor.1 64142 258172 95725 0 2 0x8000000 syz-executor.3 32337 508352 44143 0 2 0x8000000 syz-executor.7 80017 291333 2600 0 3 0xc081000 smrbar syz-executor.6 80017 520820 2600 0 3 0xc003000 suspend syz-executor.6 25903 185024 42582 0 2 0x8000000 syz-executor.0 25903 48533 42582 0 3 0xc000080 bell syz-executor.0 25903 446393 42582 0 2 0xc000000 syz-executor.0 66004 228740 10243 0 2 0x18100002 ndp 10243 422543 17820 0 3 0x810008a sigsusp sh 42582 134565 77687 0 3 0x8000082 nanoslp syz-executor.0 80014 263914 70030 0 3 0x8003000 suspend syz-executor.2 80014 151333 70030 0 2 0xc081000 syz-executor.2 17820 470427 77687 0 3 0x8000082 wait syz-executor.4 2600 326208 77687 0 3 0x8000082 nanoslp syz-executor.6 95725 324089 77687 0 3 0x8000082 nanoslp syz-executor.3 7111 423187 77687 0 3 0x8000082 nanoslp syz-executor.5 83957 266807 1 0 3 0x18100083 ttyin getty 48629 237859 0 0 2 0x14280 nfsio 28684 501021 0 0 2 0x14280 nfsio 89078 514262 0 0 2 0x14280 nfsio 22283 390202 0 0 2 0x14280 nfsio 65935 300108 0 0 2 0x14280 nfsio 45767 356786 0 0 2 0x14280 nfsio 28999 12627 0 0 2 0x14280 nfsio 41918 94492 0 0 2 0x14280 nfsio 32878 332731 0 0 2 0x14280 nfsio 324 443210 0 0 2 0x14280 nfsio 32601 246321 0 0 2 0x14280 nfsio 69326 417134 0 0 2 0x14280 nfsio 51824 338871 0 0 2 0x14280 nfsio 74817 28549 0 0 2 0x14280 nfsio 31761 257957 0 0 2 0x14280 nfsio 82183 511427 0 0 2 0x14280 nfsio 40742 449220 0 0 2 0x14280 nfsio 37051 103260 0 0 2 0x14280 nfsio 67090 194880 0 0 2 0x14280 nfsio 9433 358348 0 0 3 0x14200 bored sosplice 44143 242796 77687 0 2 0x8000002 syz-executor.7 60033 324926 77687 0 3 0x8000082 nanoslp syz-executor.1 70030 267810 77687 0 3 0x8000082 wait syz-executor.2 77687 377643 71487 0 3 0x1a000082 thrsleep syz-fuzzer 77687 153661 71487 0 3 0x1e000082 nanoslp syz-fuzzer 77687 91047 71487 0 3 0x1e000082 thrsleep syz-fuzzer 77687 59358 71487 0 2 0x1e000002 syz-fuzzer 77687 388739 71487 0 3 0x1e000082 wait syz-fuzzer 77687 488048 71487 0 3 0x1e000082 wait syz-fuzzer 77687 234832 71487 0 3 0x1e000082 wait syz-fuzzer 77687 213188 71487 0 3 0x1e000082 wait syz-fuzzer 77687 147238 71487 0 3 0x1e000082 wait syz-fuzzer 77687 35933 71487 0 3 0x1e000082 thrsleep syz-fuzzer 77687 134054 71487 0 3 0x1e000082 wait syz-fuzzer 77687 177170 71487 0 3 0x1e000082 thrsleep syz-fuzzer 77687 381336 71487 0 3 0x1e000082 wait syz-fuzzer 77687 49015 71487 0 3 0x1e000082 wait syz-fuzzer 71487 285011 66591 0 3 0x810008a sigsusp ksh 66591 470511 11306 0 3 0x1800009a kqread sshd 11306 152651 1 0 3 0x18000088 kqread sshd 56338 32272 47464 73 2 0x19100010 syslogd 47464 231107 1 0 3 0x18100082 sbwait syslogd 14244 318348 1 0 3 0x18100080 kqread resolvd 88288 323288 8060 77 3 0x18100092 kqread dhcpleased 94500 5963 8060 77 3 0x18100092 kqread dhcpleased 8060 315792 1 0 3 0x18000080 kqread dhcpleased 66989 312932 0 0 3 0x14200 bored smr 88879 97787 0 0 2 0x14200 zerothread 9783 337624 0 0 3 0x14200 aiodoned aiodoned 59987 351641 0 0 3 0x14200 syncer update 77061 257678 0 0 3 0x14200 cleaner cleaner 31228 155809 0 0 3 0x14200 reaper reaper 86579 452204 0 0 3 0x14200 pgdaemon pagedaemon 17140 434937 0 0 3 0x14200 bored viomb 58705 104959 0 0 3 0x40014200 acpi0 acpi0 7252 51946 0 0 3 0x14200 bored softnet3 56358 37574 0 0 3 0x14200 bored softnet2 62549 455312 0 0 3 0x14200 bored softnet1 55377 434000 0 0 3 0x14200 bored softnet0 18938 273463 0 0 3 0x14200 bored systqmp 75800 313348 0 0 3 0x14200 bored systq 6892 393491 0 0 3 0x40014200 tmoslp softclock 76857 233012 0 0 3 0x40014200 idle0 1 153116 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 10206 6627K 10755K 166960K 12514 0 pcb 17 12K 12K 166960K 113 0 rtable 244 10K 10K 166960K 606 0 pf 36 10K 10K 166960K 67 0 ifaddr 46 11K 11K 166960K 83 0 ifgroup 63 2K 2K 166960K 118 0 counters 33 17K 17K 166960K 46 0 ioctlops 0 0K 2K 166960K 60 0 iov 0 0K 16K 166960K 62 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1366 86K 87K 166960K 1948 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 60 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 19 69K 77K 166960K 742 0 sigio 1 0K 0K 166960K 22 0 proc 59 59K 92K 166960K 684 0 subproc 104 6K 6K 166960K 182 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 84 0 in_multi 99 7K 7K 166960K 186 0 ether_multi 1 0K 0K 166960K 5 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 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 514 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 277 76K 96K 166960K 8480 0 UVM aobj 21 4K 4K 166960K 27 0 pinsyscall 40 80K 100K 166960K 2038 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 30 0 NDP 18 0K 2K 166960K 55 0 temp 70 6807K 6887K 166960K 11269 0 kqueue 12 18K 28K 166960K 103 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 120 104 0 100 1 0 1 1 0 8 0 rtentry 112 195 0 86 4 0 4 4 0 8 0 unpcb 144 489 0 476 2 0 2 2 0 8 1 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 808 186 0 180 3 1 2 2 0 8 1 arp 88 36 0 18 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 45 0 44 1 0 1 1 0 8 0 inpcb 352 719 0 710 9 1 8 8 0 8 7 nd6 104 44 0 21 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1072 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 768 0 314 31 2 29 30 0 8 0 art_table 32 769 0 314 4 0 4 4 0 8 0 art_node 16 194 0 95 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 57 0 47 1 0 1 1 0 8 0 shmpl 112 24 0 6 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 2599 0 1090 96 0 96 96 0 8 0 ffsino 240 2599 0 1090 90 0 90 90 0 8 0 nchpl 144 3670 0 1933 67 0 67 67 0 8 0 uvmvnodes 80 3096 0 0 64 0 64 64 0 8 0 vnodes 216 3096 0 0 172 0 172 172 0 8 0 namei 1024 13172 0 13172 3 2 1 3 0 8 1 vmpool 664 4 0 4 2 1 1 1 0 8 1 kstatmem 264 54 0 26 2 0 2 2 0 8 0 scxspl 216 24330 0 24330 9 7 2 8 1 8 2 plimitpl 152 133 0 118 1 0 1 1 0 8 0 sigapl 424 1054 0 988 8 0 8 8 0 8 0 futexpl 64 11376 0 11376 1 0 1 1 0 8 1 knotepl 120 6455 0 6370 18 7 11 11 0 8 7 kqueuepl 184 196 0 187 1 0 1 1 0 8 0 pipepl 288 246 0 218 3 0 3 3 0 8 0 fdescpl 432 1016 0 986 4 0 4 4 0 8 0 filepl 120 5891 0 5642 12 1 11 11 0 8 1 lockfpl 104 230 0 228 1 0 1 1 0 8 0 lockfspl 48 98 0 96 1 0 1 1 0 8 0 sessionpl 144 32 0 16 1 0 1 1 0 8 0 pgrppl 48 39 0 23 1 0 1 1 0 8 0 ucredpl 104 747 0 736 1 0 1 1 0 8 0 zombiepl 144 989 0 988 2 1 1 1 0 8 0 processpl 1072 1054 0 988 5 0 5 5 0 8 0 procpl 656 1731 0 1645 10 1 9 9 0 8 1 sosppl 168 7 0 7 1 0 1 1 0 8 1 sockpl 504 1328 0 1302 18 7 11 14 0 8 7 mcl64k 65536 6 0 6 2 1 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 24 0 24 2 1 1 1 0 8 1 mcl4k 4096 9 0 9 2 1 1 1 0 8 1 mcl2k 2048 20242 0 20120 46 26 20 39 0 8 2 mtagpl 96 37 0 18 1 0 1 1 0 8 0 mbufpl 256 41642 0 41335 35 9 26 29 0 8 5 bufpl 280 6915 0 588 453 0 453 453 0 8 0 anonpl 24 262193 0 256075 96 27 69 69 0 188 23 amapchunkpl 152 28839 0 28184 53 12 41 41 0 158 14 amappl16 200 6335 0 6210 9 0 9 9 0 8 0 amappl15 192 11 0 10 1 0 1 1 0 8 0 amappl14 184 176 0 163 2 1 1 2 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 1740 0 1709 2 0 2 2 0 8 0 amappl11 160 50 0 40 1 0 1 1 0 8 0 amappl10 152 44 0 35 1 0 1 1 0 8 0 amappl9 144 164 0 163 1 0 1 1 0 8 0 amappl8 136 225 0 186 2 0 2 2 0 8 0 amappl7 128 85 0 74 1 0 1 1 0 8 0 amappl6 120 415 0 396 2 1 1 2 0 8 0 amappl5 112 195 0 183 1 0 1 1 0 8 0 amappl4 104 546 0 514 2 1 1 2 0 8 0 amappl3 96 6151 0 6070 3 0 3 3 0 8 0 amappl2 88 1482 0 1403 4 2 2 4 0 8 0 amappl1 80 11893 0 11370 22 10 12 22 0 8 0 amappl 88 7855 0 7661 6 0 6 6 0 92 1 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 26 0 6 1 0 1 1 0 8 0 uaddrrnd 24 1020 0 990 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1020 0 990 1 0 1 1 0 8 0 vmmpekpl 168 12264 0 12212 3 0 3 3 0 8 0 vmmpepl 168 84178 0 82239 128 32 96 115 0 357 11 vmsppl 344 1019 0 990 3 0 3 3 0 8 0 rwobjpl 24 30316 0 26095 27 1 26 26 0 8 0 pdppl 4096 2046 0 1980 112 44 68 70 0 8 2 pvpl 32 614413 0 601990 471 299 172 397 0 265 61 pmappl 216 1019 0 990 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 452 0 97 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a6c34a8,deaf4152deaf4152,0,a0c7df9b,fffffd8067f967a8,fffffd807f7d7888) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6c34a8,deaf4152deaf4152,0,a0c7df9b,fffffd8067f967a8,fffffd807f7d7888) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8067f967a8,4,20c7df9b,0,ffff80002a6c34a8) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067f967a8,4,20c7df9b,0,ffff80002a6c34a8) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6c34a8,ffff800037813ef0,ffff800037813e40) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037813ef0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5c57cfa40c0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a6c34a8,deaf4152deaf4152,0,a0c7df9b,fffffd8067f967a8,fffffd807f7d7888) at ktrops+0x4f ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a6c34a8,deaf4152deaf4152,0,a0c7df9b,fffffd8067f967a8,fffffd807f7d7888) at ktrops+0x4f sys/kern/kern_ktrace.c:561 doktrace(fffffd8067f967a8,4,20c7df9b,0,ffff80002a6c34a8) at doktrace+0x514 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8067f967a8,4,20c7df9b,0,ffff80002a6c34a8) at doktrace+0x514 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a6c34a8,ffff800037813ef0,ffff800037813e40) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff800037813ef0) at syscall+0x72a sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5c57cfa40c0, count: -5