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(ffff8000fffee598,deadbeefdeadbeef,0,80001526,fffffd806c8a31d0,fffffd807f7d75b0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:700 [inline] ktrops(ffff8000fffee598,deadbeefdeadbeef,0,80001526,fffffd806c8a31d0,fffffd807f7d75b0) at ktrops+0x4e sys/kern/kern_ktrace.c:543 doktrace(fffffd806c8a31d0,4,1526,0,ffff8000fffee598) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline] doktrace(fffffd806c8a31d0,4,1526,0,ffff8000fffee598) at doktrace+0x524 sys/kern/kern_ktrace.c:490 sys_ktrace(ffff8000fffee598,ffff8000216ee340,ffff8000216ee390) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531 syscall(ffff8000216ee410) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74ee669dc120, count: -5 ddb> show registers rdi 0xffff8000fffee598 rsi 0xdeadbeefdeadbeef rbp 0xffff8000216ee130 rbx 0xdeadbeefdeadbeef rdx 0 rcx 0x80001526 __kernel_virt_to_phys+0x1526 rax 0x1 r8 0xfffffd806c8a31d0 r9 0xfffffd807f7d75b0 r10 0xb83a6d8949edeeef r11 0x545a062c2340f724 r12 0xdeadbeefdeadbeef r13 0xfffffd807f7d75b0 r14 0xffff8000fffee598 r15 0x80001526 __kernel_virt_to_phys+0x1526 rip 0xffffffff81fb730e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000216ee0b0 ss 0x10 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor1346500952) pid=172911 stat=onproc flags process=0 proc=0 pri=17, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021677070,0xffff8000fffee2f0 process=0xffff8000ffff13b0 user=0xffff8000216e9000, vmspace=0xfffffd806c518460 estcpu=1, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 81943 423774 75434 0 2 0 syz-executor1346500952 *15611 172911 93447 0 7 0 syz-executor1346500952 23620 11495 69832 0 2 0 syz-executor1346500952 88750 489265 69832 0 3 0x80 nanoslp syz-executor1346500952 85305 143997 69832 0 2 0 syz-executor1346500952 14889 384785 69832 0 3 0x80 nanoslp syz-executor1346500952 75434 462945 69832 0 3 0x80 nanoslp syz-executor1346500952 93447 90705 69832 0 3 0x80 nanoslp syz-executor1346500952 84776 263771 69832 0 3 0x80 nanoslp syz-executor1346500952 48690 21148 69832 0 2 0 syz-executor1346500952 69832 224020 89031 0 3 0x82 nanoslp syz-executor1346500952 89031 101184 76090 0 3 0x10008a sigsusp ksh 76090 316523 50052 0 3 0x9a kqread sshd 5914 440553 1 0 3 0x100083 ttyin getty 50052 261167 1 0 3 0x88 kqread sshd 28661 467176 73553 73 3 0x1100090 kqread syslogd 73553 498592 1 0 3 0x100082 netio syslogd 28829 1474 1 0 3 0x100080 kqread resolvd 54795 125002 49912 77 3 0x100092 kqread dhcpleased 47206 118312 49912 77 3 0x100092 kqread dhcpleased 49912 91216 1 0 3 0x80 kqread dhcpleased 26483 255289 0 0 3 0x14200 bored smr 43701 414599 0 0 3 0x14200 pgzero zerothread 4397 227351 0 0 3 0x14200 aiodoned aiodoned 18841 341798 0 0 3 0x14200 syncer update 68087 25327 0 0 3 0x14200 cleaner cleaner 96714 521126 0 0 3 0x14200 reaper reaper 4306 268041 0 0 3 0x14200 pgdaemon pagedaemon 35702 117681 0 0 3 0x14200 bored viomb 32722 481826 0 0 3 0x40014200 acpi0 acpi0 61186 164887 0 0 3 0x14200 bored softnet3 3779 290019 0 0 3 0x14200 bored softnet2 4271 433266 0 0 3 0x14200 bored softnet1 71767 333680 0 0 3 0x14200 bored softnet0 29566 265371 0 0 3 0x14200 bored systqmp 8258 103967 0 0 3 0x14200 bored systq 48875 198694 0 0 3 0x40014200 bored softclock 27922 519065 0 0 3 0x40014200 idle0 1 173441 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 10133 6381K 6412K 78643K 11223 0 pcb 13 8K 8K 78643K 13 0 rtable 58 1K 2K 78643K 112 0 ifaddr 23 11K 11K 78643K 23 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 2K 78643K 21 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1174 73K 74K 78643K 1187 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 1 0K 0K 78643K 1 0 proc 55 58K 59K 78643K 246 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 1K 78643K 246 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 110 5K 5K 78643K 2205 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 3 0K 0K 78643K 3 0 temp 18 5841K 5905K 78643K 2880 0 kqueue 11 16K 18K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 21 0 18 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 33 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 1 0 1 1 0 8 1 tcpqe 32 70 0 70 1 1 0 1 0 8 0 tcpcb 776 8 0 5 1 0 1 1 0 8 0 arp 88 2 0 0 1 0 1 1 0 8 0 inpcb 336 26 0 20 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1480 0 70 89 0 89 89 0 8 0 ffsino 240 1480 0 70 83 0 83 83 0 8 0 nchpl 144 1710 0 128 60 0 60 60 0 8 1 uvmvnodes 80 1489 0 0 31 0 31 31 0 8 0 vnodes 216 1489 0 0 83 0 83 83 0 8 0 namei 1024 4487 0 4484 2 0 2 2 0 8 1 kstatmem 264 6 0 0 1 0 1 1 0 8 0 scxspl 216 4892 0 4892 3 2 1 3 0 8 1 plimitpl 152 16 0 10 1 0 1 1 0 8 0 sigapl 424 343 0 301 6 0 6 6 0 8 0 knotepl 120 3480 0 3451 2 0 2 2 0 8 1 kqueuepl 184 20 0 13 1 0 1 1 0 8 0 pipepl 288 88 0 85 1 0 1 1 0 8 0 fdescpl 432 327 0 304 4 0 4 4 0 8 1 filepl 120 1174 0 1118 2 0 2 2 0 8 0 lockfpl 104 51 0 48 1 0 1 1 0 8 0 lockfspl 48 27 0 24 1 0 1 1 0 8 0 sessionpl 144 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 104 66 0 56 1 0 1 1 0 8 0 zombiepl 144 304 0 301 1 0 1 1 0 8 0 processpl 1008 343 0 301 7 1 6 6 0 8 0 procpl 696 343 0 301 6 1 5 5 0 8 0 sockpl 456 80 0 58 3 0 3 3 0 8 0 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 5 0 5 1 0 1 1 0 8 1 mcl2k 2048 10793 0 10749 31 22 9 31 0 8 3 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 17456 0 17408 16 10 6 16 0 8 1 bufpl 288 2454 0 92 169 0 169 169 0 8 0 anonpl 24 169367 0 167386 23 7 16 23 0 188 4 amapchunkpl 152 8190 0 7986 9 1 8 8 0 158 0 amappl16 200 4805 0 4794 5 4 1 5 0 8 0 amappl15 192 21 0 21 1 1 0 1 0 8 0 amappl14 184 126 0 117 1 0 1 1 0 8 0 amappl13 176 41 0 41 1 1 0 1 0 8 0 amappl12 168 809 0 789 1 0 1 1 0 8 0 amappl11 160 43 0 33 1 0 1 1 0 8 0 amappl10 152 24 0 24 1 0 1 1 0 8 1 amappl9 144 94 0 94 1 1 0 1 0 8 0 amappl8 136 38 0 36 1 0 1 1 0 8 0 amappl7 128 28 0 23 1 0 1 1 0 8 0 amappl6 120 155 0 143 1 0 1 1 0 8 0 amappl5 112 89 0 83 1 0 1 1 0 8 0 amappl4 104 471 0 435 2 0 2 2 0 8 1 amappl3 96 2315 0 2270 2 0 2 2 0 8 0 amappl2 88 487 0 445 2 1 1 2 0 8 0 amappl1 80 9177 0 8723 11 0 11 11 0 8 0 amappl 88 1936 0 1863 2 0 2 2 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 327 0 304 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 327 0 304 1 0 1 1 0 8 0 vmmpekpl 168 7040 0 7024 1 0 1 1 0 8 0 vmmpepl 168 34528 0 33377 55 1 54 54 0 357 2 vmsppl 368 326 0 304 3 0 3 3 0 8 0 rwobjpl 24 18459 0 16295 15 1 14 14 0 8 0 pdppl 4096 660 0 608 76 16 60 60 0 8 8 pvpl 32 264919 0 260326 51 7 44 51 0 265 6 pmappl 216 326 0 304 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 487 0 50 13 0 13 13 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff8000fffee598,deadbeefdeadbeef,0,80001526,fffffd806c8a31d0,fffffd807f7d75b0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:700 [inline] ktrops(ffff8000fffee598,deadbeefdeadbeef,0,80001526,fffffd806c8a31d0,fffffd807f7d75b0) at ktrops+0x4e sys/kern/kern_ktrace.c:543 doktrace(fffffd806c8a31d0,4,1526,0,ffff8000fffee598) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline] doktrace(fffffd806c8a31d0,4,1526,0,ffff8000fffee598) at doktrace+0x524 sys/kern/kern_ktrace.c:490 sys_ktrace(ffff8000fffee598,ffff8000216ee340,ffff8000216ee390) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531 syscall(ffff8000216ee410) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74ee669dc120, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff8000fffee598,deadbeefdeadbeef,0,80001526,fffffd806c8a31d0,fffffd807f7d75b0) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:700 [inline] ktrops(ffff8000fffee598,deadbeefdeadbeef,0,80001526,fffffd806c8a31d0,fffffd807f7d75b0) at ktrops+0x4e sys/kern/kern_ktrace.c:543 doktrace(fffffd806c8a31d0,4,1526,0,ffff8000fffee598) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:568 [inline] doktrace(fffffd806c8a31d0,4,1526,0,ffff8000fffee598) at doktrace+0x524 sys/kern/kern_ktrace.c:490 sys_ktrace(ffff8000fffee598,ffff8000216ee340,ffff8000216ee390) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:531 syscall(ffff8000216ee410) at syscall+0x4a8 sys/arch/amd64/amd64/trap.c:632 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x74ee669dc120, count: -5 ddb>