kernel: protection fault trap, code=0 Stopped at ktrops+0x4a: movq 0x8(%rbx),%r14 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic the kernel did not panic ddb> trace ktrops(ffff8000215d42a0,dead4110dead4110,0,80000030,fffffd806cb436a8,fffffd807f7d78a0) at ktrops+0x4a ktrcanset sys/kern/kern_ktrace.c:702 [inline] ktrops(ffff8000215d42a0,dead4110dead4110,0,80000030,fffffd806cb436a8,fffffd807f7d78a0) at ktrops+0x4a sys/kern/kern_ktrace.c:547 doktrace(fffffd806cb436a8,4,30,ffffffff,ffff8000215d42a0) at doktrace+0x418 ktrsetchildren sys/kern/kern_ktrace.c:572 [inline] doktrace(fffffd806cb436a8,4,30,ffffffff,ffff8000215d42a0) at doktrace+0x418 sys/kern/kern_ktrace.c:479 sys_ktrace(ffff8000215d42a0,ffff80002166f208,ffff80002166f260) at sys_ktrace+0xd2 sys/kern/kern_ktrace.c:535 syscall(ffff80002166f2d0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffef1a0, count: -5 ddb> show registers rdi 0xffff8000215d42a0 rsi 0xdead4110dead4110 rbp 0xffff80002166eff0 rbx 0xdead4110dead4110 rdx 0 rcx 0x80000030 __kernel_virt_to_phys+0x30 rax 0x1 r8 0xfffffd806cb436a8 r9 0xfffffd807f7d78a0 r10 0x75f613df5b2f30aa r11 0xa9ffed5211ccd631 r12 0xffff8000ffffdb58 r13 0xfffffd807f7d78a0 r14 0xffff8000215d42a0 r15 0x80000030 __kernel_virt_to_phys+0x30 rip 0xffffffff815ecc2a ktrops+0x4a cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002166ef70 ss 0 ktrops+0x4a: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor2928866102) pid=35795 stat=onproc flags process=0 proc=0 pri=17, usrpri=53, nice=20 forw=0xffffffffffffffff, list=0xffff800021613510,0xffffffff82aa0ec8 process=0xffff8000215d7b80 user=0xffff80002166a000, vmspace=0xfffffd8007068890 estcpu=12, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *18624 35795 51558 0 7 0 syz-executor2928866102 55227 508209 14649 0 2 0x480 syz-executor2928866102 78733 384006 14649 0 3 0x80 nanoslp syz-executor2928866102 29770 300148 14649 0 3 0x80 nanoslp syz-executor2928866102 80775 473180 14649 0 2 0 syz-executor2928866102 17363 256560 14649 0 2 0 syz-executor2928866102 51558 160469 14649 0 3 0x80 nanoslp syz-executor2928866102 87935 181251 14649 0 3 0x80 nanoslp syz-executor2928866102 71403 192266 14649 0 2 0 syz-executor2928866102 14649 11072 79512 0 3 0x82 nanoslp syz-executor2928866102 79512 413592 18963 0 3 0x10008a sigsusp ksh 18963 230619 10761 0 3 0x9a kqread sshd 67343 452780 1 0 3 0x100083 ttyin getty 10761 140339 1 0 3 0x88 kqread sshd 3959 73359 70998 73 3 0x1100090 kqread syslogd 70998 68003 1 0 3 0x100082 netio syslogd 75146 418260 1 0 3 0x100080 kqread resolvd 68189 480817 81186 77 3 0x100092 kqread dhcpleased 36313 449021 81186 77 3 0x100092 kqread dhcpleased 81186 225016 1 0 3 0x80 kqread dhcpleased 32162 160842 0 0 3 0x14200 bored smr 36819 443960 0 0 3 0x14200 pgzero zerothread 23549 518325 0 0 3 0x14200 aiodoned aiodoned 19884 467406 0 0 3 0x14200 syncer update 11643 237246 0 0 3 0x14200 cleaner cleaner 33277 445753 0 0 3 0x14200 reaper reaper 19252 17906 0 0 3 0x14200 pgdaemon pagedaemon 2851 499062 0 0 3 0x14200 bored viomb 14321 126585 0 0 3 0x40014200 acpi0 acpi0 71644 495330 0 0 3 0x14200 bored softnet 13389 497744 0 0 3 0x14200 bored systqmp 17378 291362 0 0 3 0x14200 bored systq 90688 433087 0 0 3 0x40014200 bored softclock 23946 398786 0 0 3 0x40014200 idle0 1 461736 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 10131 6381K 6412K 78643K 11221 0 pcb 13 8K 8K 78643K 13 0 rtable 58 1K 2K 78643K 110 0 ifaddr 24 7K 7K 78643K 24 0 counters 19 16K 16K 78643K 19 0 ioctlops 0 0K 2K 78643K 25 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1166 73K 73K 78643K 1179 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 0K 0K 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 226 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 2K 78643K 406 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 7 26K 26K 78643K 7 0 UVM amap 76 4K 4K 78643K 1342 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 4705K 4769K 78643K 2372 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 20 0 17 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 136 33 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 88 2 0 0 1 0 1 1 0 8 0 inpcb 312 25 0 19 1 0 1 1 0 8 0 rttmrq 48 4 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 96 0 0 6 0 6 6 0 8 0 art_table 32 97 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 1466 0 63 88 0 88 88 0 8 0 ffsino 240 1466 0 63 83 0 83 83 0 8 0 nchpl 144 1693 0 111 59 0 59 59 0 8 0 uvmvnodes 80 1475 0 0 31 0 31 31 0 8 0 vnodes 224 1475 0 0 87 0 87 87 0 8 0 namei 1024 4406 0 4404 3 1 2 2 0 8 1 kstatmem 264 6 0 0 1 0 1 1 0 8 0 scxspl 216 4091 0 4091 10 4 6 8 0 8 6 plimitpl 152 15 0 9 1 0 1 1 0 8 0 sigapl 424 328 0 289 5 0 5 5 0 8 0 knotepl 120 5822 0 5793 3 1 2 2 0 8 1 kqueuepl 184 20 0 13 1 0 1 1 0 8 0 pipepl 304 82 0 79 2 1 1 1 0 8 0 fdescpl 432 315 0 293 4 0 4 4 0 8 1 filepl 120 1095 0 1041 2 0 2 2 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 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 96 64 0 54 1 0 1 1 0 8 0 zombiepl 144 293 0 289 2 1 1 1 0 8 0 processpl 1000 328 0 289 6 0 6 6 0 8 0 procpl 672 328 0 289 4 0 4 4 0 8 0 sockpl 448 78 0 56 3 0 3 3 0 8 0 mcl8k 8192 9 0 9 2 1 1 1 0 8 1 mcl4k 4096 5 0 5 2 1 1 1 0 8 1 mcl2k 2048 5651 0 5623 8 2 6 6 0 8 2 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 10412 0 10346 6 0 6 6 0 8 1 bufpl 288 1988 0 91 136 0 136 136 0 8 0 anonpl 24 37201 0 34795 18 3 15 15 0 188 0 amapchunkpl 152 2703 0 2578 6 1 5 5 0 158 0 amappl16 200 117 0 103 1 0 1 1 0 8 0 amappl13 176 32 0 31 2 1 1 1 0 8 0 amappl12 168 3 0 3 2 1 1 1 0 8 1 amappl11 160 60 0 47 1 0 1 1 0 8 0 amappl10 152 1 0 1 1 1 0 1 0 8 0 amappl9 144 483 0 480 1 0 1 1 0 8 0 amappl8 136 347 0 346 2 1 1 1 0 8 0 amappl7 128 48 0 45 1 0 1 1 0 8 0 amappl6 120 95 0 85 1 0 1 1 0 8 0 amappl5 112 102 0 84 1 0 1 1 0 8 0 amappl4 104 580 0 561 1 0 1 1 0 8 0 amappl3 96 406 0 378 1 0 1 1 0 8 0 amappl2 88 435 0 397 1 0 1 1 0 8 0 amappl1 80 9127 0 8696 11 2 9 9 0 8 0 amappl 88 1073 0 1021 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 24 315 0 293 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 315 0 293 1 0 1 1 0 8 0 vmmpekpl 168 5988 0 5975 1 0 1 1 0 8 0 vmmpepl 168 26381 0 25333 55 6 49 49 0 357 1 vmsppl 272 314 0 293 3 1 2 2 0 8 0 rwobjpl 24 9427 0 7375 13 0 13 13 0 8 0 pdppl 4096 636 0 586 88 26 62 62 0 8 12 pvpl 32 124813 0 120302 45 8 37 37 0 265 0 pmappl 216 314 0 293 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 437 0 34 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff8000215d42a0,dead4110dead4110,0,80000030,fffffd806cb436a8,fffffd807f7d78a0) at ktrops+0x4a ktrcanset sys/kern/kern_ktrace.c:702 [inline] ktrops(ffff8000215d42a0,dead4110dead4110,0,80000030,fffffd806cb436a8,fffffd807f7d78a0) at ktrops+0x4a sys/kern/kern_ktrace.c:547 doktrace(fffffd806cb436a8,4,30,ffffffff,ffff8000215d42a0) at doktrace+0x418 ktrsetchildren sys/kern/kern_ktrace.c:572 [inline] doktrace(fffffd806cb436a8,4,30,ffffffff,ffff8000215d42a0) at doktrace+0x418 sys/kern/kern_ktrace.c:479 sys_ktrace(ffff8000215d42a0,ffff80002166f208,ffff80002166f260) at sys_ktrace+0xd2 sys/kern/kern_ktrace.c:535 syscall(ffff80002166f2d0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffef1a0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff8000215d42a0,dead4110dead4110,0,80000030,fffffd806cb436a8,fffffd807f7d78a0) at ktrops+0x4a ktrcanset sys/kern/kern_ktrace.c:702 [inline] ktrops(ffff8000215d42a0,dead4110dead4110,0,80000030,fffffd806cb436a8,fffffd807f7d78a0) at ktrops+0x4a sys/kern/kern_ktrace.c:547 doktrace(fffffd806cb436a8,4,30,ffffffff,ffff8000215d42a0) at doktrace+0x418 ktrsetchildren sys/kern/kern_ktrace.c:572 [inline] doktrace(fffffd806cb436a8,4,30,ffffffff,ffff8000215d42a0) at doktrace+0x418 sys/kern/kern_ktrace.c:479 sys_ktrace(ffff8000215d42a0,ffff80002166f208,ffff80002166f260) at sys_ktrace+0xd2 sys/kern/kern_ktrace.c:535 syscall(ffff80002166f2d0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffef1a0, count: -5 ddb>