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(ffff80002a608568,deaf4152deaf4152,0,80000120,fffffd806c47aa38,fffffd807f7d7618) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a608568,deaf4152deaf4152,0,80000120,fffffd806c47aa38,fffffd807f7d7618) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd806c47aa38,4,120,0,ffff80002a608568) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806c47aa38,4,120,0,ffff80002a608568) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a608568,ffff80002a695550,ffff80002a695590) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002a695650) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ef45bbeb960, count: -5 ddb> show registers rdi 0xffff80002a608568 rsi 0xdeaf4152deaf4152 rbp 0xffff80002a695340 rbx 0xdeaf4152deaf4152 rdx 0 rcx 0x80000120 __kernel_virt_to_phys+0x120 rax 0x1 r8 0xfffffd806c47aa38 r9 0xfffffd807f7d7618 r10 0x447e6fbaec774ef8 r11 0x80a54c472782e801 r12 0xdeaf4152deaf4152 r13 0xfffffd807f7d7618 r14 0xffff80002a608568 r15 0x80000120 __kernel_virt_to_phys+0x120 rip 0xffffffff813c361e ktrops+0x4e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a6952c0 ss 0x10 ktrops+0x4e: movq 0x8(%rbx),%r14 ddb> show proc PROC (syz-executor3361790952) tid=416424 pid=18897 tcnt=1 stat=onproc flags process=0 proc=0 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a609d50,0xffff80002a6082d0 process=0xffff80002a62a9f8 user=0xffff80002a690000, vmspace=0xfffffd806c46ab10 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 19738 277952 48430 0 2 0 syz-executor3361790952 *18897 416424 37738 0 7 0 syz-executor3361790952 48430 167467 23374 0 3 0x80 nanoslp syz-executor3361790952 12911 83688 23374 0 2 0 syz-executor3361790952 41765 47944 23374 0 2 0 syz-executor3361790952 76823 272274 23374 0 2 0 syz-executor3361790952 38333 451075 23374 0 3 0x80 nanoslp syz-executor3361790952 36078 517434 23374 0 3 0x80 nanoslp syz-executor3361790952 37738 510932 23374 0 3 0x80 nanoslp syz-executor3361790952 89406 349036 23374 0 2 0 syz-executor3361790952 23374 401007 35436 0 3 0x82 nanoslp syz-executor3361790952 35436 420252 9154 0 3 0x10008a sigsusp ksh 9154 129789 40060 0 3 0x9a kqread sshd 77507 30067 1 0 3 0x100083 ttyin getty 40060 122725 1 0 3 0x88 kqread sshd 86756 437143 4692 73 3 0x1100090 kqread syslogd 4692 290125 1 0 3 0x100082 netio syslogd 82350 7512 1 0 3 0x100080 kqread resolvd 74552 500272 89991 77 3 0x100092 kqread dhcpleased 90953 398843 89991 77 3 0x100092 kqread dhcpleased 89991 290918 1 0 3 0x80 kqread dhcpleased 47856 22519 0 0 3 0x14200 bored smr 81857 279176 0 0 3 0x14200 pgzero zerothread 1015 80172 0 0 3 0x14200 aiodoned aiodoned 76996 280557 0 0 3 0x14200 syncer update 85545 115250 0 0 3 0x14200 cleaner cleaner 16076 250238 0 0 3 0x14200 reaper reaper 46602 281217 0 0 3 0x14200 pgdaemon pagedaemon 95824 134937 0 0 3 0x14200 bored viomb 90812 293156 0 0 3 0x40014200 acpi0 acpi0 48953 132130 0 0 3 0x14200 bored softnet3 86944 104185 0 0 3 0x14200 bored softnet2 56953 438416 0 0 3 0x14200 bored softnet1 82667 51682 0 0 3 0x14200 bored softnet0 19239 39273 0 0 3 0x14200 bored systqmp 28384 252685 0 0 3 0x14200 bored systq 50556 71110 0 0 3 0x40014200 tmoslp softclock 80452 249749 0 0 3 0x40014200 idle0 1 140576 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 10137 6382K 6413K 166960K 11215 0 pcb 15 10K 10K 166960K 15 0 rtable 58 1K 2K 166960K 110 0 pf 12 6K 6K 166960K 12 0 ifaddr 11 5K 5K 166960K 11 0 ifgroup 17 1K 1K 166960K 17 0 counters 22 16K 16K 166960K 22 0 ioctlops 0 0K 2K 166960K 21 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1174 73K 74K 166960K 1187 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 1 0K 0K 166960K 1 0 proc 55 58K 59K 166960K 246 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 11 0K 0K 166960K 11 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 243 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 112 5K 5K 166960K 2202 0 UVM aobj 3 2K 2K 166960K 3 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 3 0K 0K 166960K 3 0 temp 1 6688K 6752K 166960K 2778 0 kqueue 11 16K 18K 166960K 24 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 20 0 17 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 312 5 0 5 1 0 1 1 0 8 1 tcpqe 32 141 0 141 1 0 1 1 0 8 1 tcpcb 808 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 1470 0 63 89 0 89 89 0 8 0 ffsino 240 1470 0 63 83 0 83 83 0 8 0 nchpl 144 1691 0 109 60 0 60 60 0 8 1 uvmvnodes 80 1479 0 0 31 0 31 31 0 8 0 vnodes 216 1479 0 0 83 0 83 83 0 8 0 namei 1024 4433 0 4430 2 0 2 2 0 8 1 kstatmem 264 6 0 0 1 0 1 1 0 8 0 scxspl 216 5102 0 5102 4 1 3 3 1 8 3 plimitpl 152 16 0 10 1 0 1 1 0 8 0 sigapl 424 335 0 294 6 0 6 6 0 8 0 knotepl 120 3483 0 3454 2 0 2 2 0 8 1 kqueuepl 184 20 0 13 1 0 1 1 0 8 0 pipepl 288 87 0 84 1 0 1 1 0 8 0 fdescpl 432 319 0 295 4 0 4 4 0 8 1 filepl 120 1160 0 1103 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 104 66 0 56 1 0 1 1 0 8 0 zombiepl 144 296 0 294 1 0 1 1 0 8 0 processpl 1072 335 0 294 4 0 4 4 0 8 0 procpl 680 335 0 294 4 0 4 4 0 8 0 sockpl 456 79 0 57 3 0 3 3 0 8 0 mcl8k 8192 4 0 4 1 1 0 1 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 10861 0 10823 31 18 13 30 0 8 8 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 17594 0 17551 16 4 12 16 0 8 7 bufpl 288 2452 0 87 169 0 169 169 0 8 0 anonpl 24 194485 0 192515 24 0 24 24 0 188 12 amapchunkpl 152 8590 0 8385 8 0 8 8 0 158 0 amappl16 200 5920 0 5909 5 0 5 5 0 8 4 amappl15 192 10 0 10 1 0 1 1 0 8 1 amappl14 184 113 0 103 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 0 1 1 0 8 1 amappl12 168 801 0 781 1 0 1 1 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 0 1 1 0 8 1 amappl9 144 124 0 124 1 0 1 1 0 8 1 amappl8 136 51 0 48 1 0 1 1 0 8 0 amappl7 128 94 0 84 1 0 1 1 0 8 0 amappl6 120 117 0 112 1 0 1 1 0 8 0 amappl5 112 96 0 88 1 0 1 1 0 8 0 amappl4 104 339 0 313 1 0 1 1 0 8 0 amappl3 96 2201 0 2155 2 0 2 2 0 8 0 amappl2 88 600 0 552 2 0 2 2 0 8 0 amappl1 80 8865 0 8399 11 0 11 11 0 8 0 amappl 88 1930 0 1856 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 24 319 0 295 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 319 0 295 1 0 1 1 0 8 0 vmmpekpl 168 6829 0 6811 1 0 1 1 0 8 0 vmmpepl 168 34645 0 33470 53 0 53 53 0 357 0 vmsppl 352 318 0 295 3 0 3 3 0 8 0 rwobjpl 24 19287 0 17131 14 0 14 14 0 8 1 pdppl 4096 644 0 590 76 16 60 60 0 8 6 pvpl 32 289507 0 284859 52 0 52 52 0 265 14 pmappl 216 318 0 295 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 490 0 41 13 0 13 13 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a608568,deaf4152deaf4152,0,80000120,fffffd806c47aa38,fffffd807f7d7618) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a608568,deaf4152deaf4152,0,80000120,fffffd806c47aa38,fffffd807f7d7618) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd806c47aa38,4,120,0,ffff80002a608568) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806c47aa38,4,120,0,ffff80002a608568) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a608568,ffff80002a695550,ffff80002a695590) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002a695650) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ef45bbeb960, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a608568,deaf4152deaf4152,0,80000120,fffffd806c47aa38,fffffd807f7d7618) at ktrops+0x4e ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff80002a608568,deaf4152deaf4152,0,80000120,fffffd806c47aa38,fffffd807f7d7618) at ktrops+0x4e sys/kern/kern_ktrace.c:561 doktrace(fffffd806c47aa38,4,120,0,ffff80002a608568) at doktrace+0x524 ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806c47aa38,4,120,0,ffff80002a608568) at doktrace+0x524 sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a608568,ffff80002a695550,ffff80002a695590) at sys_ktrace+0xd6 sys/kern/kern_ktrace.c:549 syscall(ffff80002a695650) at syscall+0x5ef sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ef45bbeb960, count: -5 ddb>