uvm_fault(0xffffffff82513c48, 0xffff800000abd000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82513c48, 0xffff800000abd000, 0, 1) -> e uvm_unmap_remove(ffff800000abcf00,0,1ef000,ffff800014938a00,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000abcf00,0,1ef000,ffff800014938a00,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800014938ab0, count: 0 ddb> trace uvm_unmap_remove(ffff800000abcf00,0,1ef000,ffff800014938a00,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000abcf00,0,1ef000,ffff800014938a00,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000abcf00,0,7,fffffd803f012990,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015963658,ffff8000ffff8518) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a8a800,ffff8000ffff8518) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a8a800,ffff8000ffff8518) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803b014680,c5005601,ffff800000a8a800,1,fffffd803f7c6a20,ffff8000ffff8518) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d6db178,c5005601,ffff800000a8a800,ffff8000ffff8518) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff8518,ffff800014938e58,ffff800014938ea0) at sys_ioctl+0x5b9 syscall(ffff800014938f20) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdcede6ec690, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000149389d0 rbx 0 rdx 0x26da __ALIGN_SIZE+0x16da rcx 0xffff800016b41000 rax 0xffff800000abcf00 r8 0 r9 0x1 r10 0x380346d29163835f r11 0x5b60c47e77dd156c r12 0 r13 0xfffffd802d74d420 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000abcf00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014938920 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=130360 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff96d0,0xffff8000ffff2028 process=0xffff8000ffff6a90 user=0xffff800014933000, vmspace=0xfffffd803f012990 estcpu=36, cpticks=58, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 67507 219937 17883 0 2 0 syz-executor.0 *67507 130360 17883 0 7 0x4000000 syz-executor.0 67507 370654 17883 0 3 0x4000080 fsleep syz-executor.0 17883 83734 95473 0 2 0x482 syz-executor.0 98396 466167 95473 0 2 0x2 syz-executor.1 95473 260656 88477 0 3 0x82 kqread syz-fuzzer 95473 518759 88477 0 3 0x4000082 nanosleep syz-fuzzer 95473 388087 88477 0 3 0x4000082 thrsleep syz-fuzzer 95473 464563 88477 0 3 0x4000082 thrsleep syz-fuzzer 95473 444949 88477 0 3 0x4000082 thrsleep syz-fuzzer 95473 215308 88477 0 2 0x4000482 syz-fuzzer 95473 466462 88477 0 3 0x4000082 thrsleep syz-fuzzer 88477 75181 63947 0 3 0x10008a pause ksh 63947 285108 73861 0 3 0x92 select sshd 93678 296669 1 0 3 0x100083 ttyin getty 73861 377891 1 0 3 0x80 select sshd 48387 408680 12340 73 3 0x100090 kqread syslogd 12340 146634 1 0 3 0x100082 netio syslogd 43915 108033 1 77 3 0x100090 poll dhclient 92630 191750 1 0 3 0x80 poll dhclient 61304 40705 0 0 2 0x14200 zerothread 71730 224858 0 0 3 0x14200 aiodoned aiodoned 89612 416239 0 0 3 0x14200 syncer update 1046 405262 0 0 3 0x14200 cleaner cleaner 79673 379782 0 0 3 0x14200 reaper reaper 59654 181781 0 0 3 0x14200 pgdaemon pagedaemon 73226 105745 0 0 3 0x14200 bored crynlk 8820 93775 0 0 3 0x14200 bored crypto 517 309385 0 0 3 0x40014200 acpi0 acpi0 12076 492012 0 0 3 0x14200 bored softnet 62860 202982 0 0 3 0x14200 bored systqmp 26700 190213 0 0 3 0x14200 bored systq 81663 117696 0 0 3 0x40014200 bored softclock 79753 198415 0 0 3 0x40014200 idle0 51158 425973 0 0 3 0x14200 bored smr 1 93581 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 9455 6326K 6714K 78643K 10697 0 pcb 13 8K 8K 78643K 37 0 rtable 105 3K 3K 78643K 193 0 ifaddr 46 11K 11K 78643K 46 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 26 0 iov 0 0K 16K 78643K 56 0 mount 1 1K 1K 78643K 1 0 vnodes 1215 76K 76K 78643K 1261 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 6 1K 1K 78643K 7 0 sem 12 0K 0K 78643K 44 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 90 0 proc 47 38K 63K 78643K 360 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 7 0 in_multi 40 2K 2K 78643K 40 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 30 132K 132K 78643K 30 0 exec 0 0K 1K 78643K 193 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 112 38K 38K 78643K 1069 0 UVM aobj 28 2K 2K 78643K 28 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 26 0 NDP 6 0K 0K 78643K 10 0 temp 96 3554K 3628K 78643K 7479 0 kqueue 0 0K 0K 78643K 6 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 arp 64 6 0 0 1 0 1 1 0 8 0 rtpcb 96 21 0 19 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 95 0 87 1 0 1 1 0 8 0 syncache 280 5 0 5 2 1 1 1 0 8 1 tcpqe 32 87 0 87 1 0 1 1 0 8 1 tcpcb 640 64 0 60 2 0 2 2 0 8 1 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 45 0 45 1 0 1 1 0 8 1 inpcb 280 134 0 127 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 41 0 20 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 42 0 32 1 0 1 1 0 8 0 shmpl 112 26 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1494 0 97 46 0 46 46 0 8 0 ffsino 240 1494 0 97 83 0 83 83 0 8 0 nchpl 144 1832 0 224 60 0 60 60 0 8 0 uvmvnodes 72 1573 0 0 29 0 29 29 0 8 0 vnodes 208 1573 0 0 83 0 83 83 0 8 0 namei 1024 4569 0 4568 1 0 1 1 0 8 0 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 520 5 0 1 1 0 1 1 0 8 0 scxspl 208 5051 0 5051 8 1 7 7 0 8 7 plimitpl 152 20 0 13 1 0 1 1 0 8 0 sigapl 432 260 0 247 2 0 2 2 0 8 0 futexpl 56 2393 0 2392 1 0 1 1 0 8 0 knotepl 112 80 0 61 2 0 2 2 0 8 1 kqueuepl 104 36 0 32 1 0 1 1 0 8 0 pipepl 128 236 0 217 3 1 2 2 0 8 1 fdescpl 424 261 0 247 2 0 2 2 0 8 0 filepl 120 1602 0 1503 5 0 5 5 0 8 2 lockfpl 104 42 0 41 1 0 1 1 0 8 0 lockfspl 48 8 0 7 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 88 0 81 1 0 1 1 0 8 0 zombiepl 144 247 0 247 2 1 1 1 0 8 1 processpl 896 275 0 247 4 0 4 4 0 8 0 procpl 648 364 0 328 4 0 4 4 0 8 0 sockpl 384 252 0 235 4 0 4 4 0 8 2 mcl64k 65536 5 0 5 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 15 0 15 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 68986 0 68947 15 5 10 12 0 8 4 mtagpl 80 6 0 2 2 1 1 1 0 8 0 mbufpl 256 109340 0 109241 27 9 18 25 0 8 8 bufpl 280 6337 0 1491 347 0 347 347 0 8 0 anonpl 16 52488 0 28764 98 2 96 96 0 62 0 amapchunkpl 152 1399 0 1234 9 0 9 9 0 158 2 amappl16 192 1904 0 578 68 1 67 67 0 8 0 amappl14 176 83 0 74 1 0 1 1 0 8 0 amappl12 160 6 0 4 2 1 1 1 0 8 0 amappl11 152 50 0 39 1 0 1 1 0 8 0 amappl10 144 11 0 9 1 0 1 1 0 8 0 amappl9 136 586 0 581 1 0 1 1 0 8 0 amappl8 128 177 0 148 1 0 1 1 0 8 0 amappl7 120 35 0 30 1 0 1 1 0 8 0 amappl6 112 56 0 48 1 0 1 1 0 8 0 amappl5 104 141 0 128 1 0 1 1 0 8 0 amappl4 96 467 0 440 1 0 1 1 0 8 0 amappl3 88 108 0 103 1 0 1 1 0 8 0 amappl2 80 1296 0 1228 4 2 2 3 0 8 0 amappl1 72 14148 0 13733 26 14 12 20 0 8 2 amappl 80 609 0 562 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 27 0 0 1 0 1 1 0 8 0 uaddrrnd 24 266 0 247 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 266 0 247 1 0 1 1 0 8 0 vmmpekpl 168 6212 0 6189 2 0 2 2 0 8 0 vmmpepl 168 39692 0 37265 139 12 127 127 0 357 21 vmsppl 272 260 0 247 2 0 2 2 0 8 1 pdppl 4096 538 0 499 6 0 6 6 0 8 1 pvpl 32 150672 0 123930 218 2 216 216 0 265 0 pmappl 200 265 0 248 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 158 0 17 5 0 5 5 0 8 0