uvm_fault(0xffffffff8253beb0, 0xffff800000a42000, 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(0xffffffff8253beb0, 0xffff800000a42000, 0, 1) -> e uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff800015942640,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff800015942640,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff8000159426f0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff800015942640,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a41f00,0,1ef000,ffff800015942640,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a41f00,0,7,fffffd803f012880,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015963860,ffff8000ffff29f8) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a38800,ffff8000ffff29f8) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a38800,ffff8000ffff29f8) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd8039855750,c5005601,ffff800000a38800,1,fffffd803f7c6960,ffff8000ffff29f8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802da105b0,c5005601,ffff800000a38800,ffff8000ffff29f8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff29f8,ffff800015942a98,ffff800015942ae0) at sys_ioctl+0x5b9 syscall(ffff800015942b60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2ff9027b8e0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015942610 rbx 0 rdx 0x2436 __ALIGN_SIZE+0x1436 rcx 0xffff80001699c000 rax 0xffff800000a41f00 r8 0 r9 0x1 r10 0xc3144a6176d29ff7 r11 0x43d6d6d47a6f0b5b r12 0 r13 0xfffffd802d12aa28 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a41f00 rip 0xffffffff818c51eb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015942560 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=187416 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2c70,0xffff8000ffff3b50 process=0xffff8000ffff6a30 user=0xffff80001593d000, vmspace=0xfffffd803f012880 estcpu=32, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 86133 399981 66676 0 2 0 syz-executor.0 86133 151576 66676 0 3 0x4000080 fsleep syz-executor.0 49572 308986 40298 0 2 0 syz-executor.1 49572 369393 40298 0 2 0x4000000 syz-executor.1 *49572 187416 40298 0 7 0x4000000 syz-executor.1 40298 276458 58252 0 3 0x82 nanosleep syz-executor.1 66676 364244 58252 0 3 0x82 nanosleep syz-executor.0 86521 452839 0 0 3 0x14200 acct acct 35964 222343 0 0 3 0x14200 bored sosplice 58252 173771 42841 0 3 0x82 thrsleep syz-fuzzer 58252 322916 42841 0 3 0x4000082 thrsleep syz-fuzzer 58252 429040 42841 0 3 0x4000082 thrsleep syz-fuzzer 58252 398039 42841 0 3 0x4000082 thrsleep syz-fuzzer 58252 164669 42841 0 3 0x4000082 thrsleep syz-fuzzer 58252 417734 42841 0 3 0x4000082 kqread syz-fuzzer 58252 334740 42841 0 3 0x4000082 thrsleep syz-fuzzer 58252 380788 42841 0 3 0x4000082 thrsleep syz-fuzzer 58252 443609 42841 0 3 0x4000082 thrsleep syz-fuzzer 42841 5692 44535 0 3 0x10008a pause ksh 44535 470329 91938 0 3 0x92 select sshd 72567 392017 1 0 3 0x100083 ttyin getty 91938 409058 1 0 3 0x80 select sshd 12975 150720 84882 73 3 0x100090 kqread syslogd 84882 228040 1 0 3 0x100082 netio syslogd 22167 101911 0 0 2 0x14200 zerothread 3318 388714 0 0 3 0x14200 aiodoned aiodoned 29176 201171 0 0 3 0x14200 syncer update 13805 315657 0 0 3 0x14200 cleaner cleaner 89737 4368 0 0 3 0x14200 reaper reaper 63781 245524 0 0 3 0x14200 pgdaemon pagedaemon 4541 400880 0 0 3 0x14200 bored crynlk 87828 438578 0 0 3 0x14200 bored crypto 45919 460731 0 0 3 0x40014200 acpi0 acpi0 60183 198139 0 0 3 0x14200 bored softnet 53458 251041 0 0 3 0x14200 bored systqmp 31605 282565 0 0 3 0x14200 bored systq 92838 82988 0 0 3 0x40014200 bored softclock 246 90686 0 0 3 0x40014200 idle0 54384 297846 0 0 3 0x14200 bored smr 1 495490 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 9522 6290K 6998K 78643K 12689 0 pcb 13 8K 9K 78643K 210 0 rtable 116 6K 6K 78643K 649 0 ifaddr 101 19K 19K 78643K 278 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 64 0 iov 0 0K 28K 78643K 393 0 mount 1 1K 1K 78643K 1 0 vnodes 1212 76K 77K 78643K 1936 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 14 0 VM map 16 4K 4K 78643K 19 0 sem 12 1K 1K 78643K 174 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 1028 0 sigio 0 0K 0K 78643K 12 0 proc 43 30K 63K 78643K 547 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 192 0 in_multi 97 4K 4K 78643K 216 0 ether_multi 1 0K 0K 78643K 9 0 mrt 0 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 66 291K 291K 78643K 66 0 exec 0 0K 1K 78643K 313 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 135 136K 136K 78643K 3340 0 UVM aobj 39 7K 7K 78643K 43 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 223 0 NDP 16 0K 0K 78643K 67 0 temp 150 3019K 3085K 78643K 21190 0 kqueue 0 0K 0K 78643K 12 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 18 0 11 1 0 1 1 0 8 0 rtpcb 80 129 0 129 2 1 1 1 0 8 1 rtentry 112 151 0 106 2 0 2 2 0 8 0 unpcb 120 447 0 441 1 0 1 1 0 8 0 syncache 264 13 0 13 3 3 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 871 0 871 1 1 0 1 0 8 0 tcpcb 544 477 0 473 2 1 1 2 0 8 0 ipq 40 10 0 10 1 1 0 1 0 8 0 ipqe 40 366 0 366 1 1 0 1 0 8 0 inpcb 280 1369 0 1363 4 2 2 4 0 8 1 rttmr 72 4 0 4 1 1 0 1 0 8 0 ip6q 72 2 0 2 1 1 0 1 0 8 0 ip6af 40 6 0 6 1 1 0 1 0 8 0 nd6 48 24 0 21 1 0 1 1 0 8 0 pkpcb 40 5 0 5 3 3 0 1 0 8 0 ppxss 1128 20 0 20 4 4 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 749 0 538 16 2 14 15 0 8 0 art_table 32 750 0 538 2 0 2 2 0 8 0 art_node 16 150 0 108 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 170 0 160 1 0 1 1 0 8 0 shmpl 112 41 0 4 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2880 0 1495 46 0 46 46 0 8 0 ffsino 240 2880 0 1495 83 0 83 83 0 8 0 nchpl 144 4779 0 4315 60 41 19 60 0 8 0 uvmvnodes 72 3442 0 0 63 0 63 63 0 8 0 vnodes 208 3442 0 0 182 0 182 182 0 8 0 namei 1024 15007 0 15007 1 0 1 1 0 8 1 vcpupl 1984 14 0 1 2 0 2 2 0 8 0 vmpool 520 17 0 3 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 14583 0 14583 12 11 1 7 0 8 1 plimitpl 152 108 0 102 1 0 1 1 0 8 0 sigapl 432 1190 0 1178 2 0 2 2 0 8 0 futexpl 56 27026 0 27025 1 0 1 1 0 8 0 knotepl 112 261 0 242 3 2 1 3 0 8 0 kqueuepl 104 253 0 251 1 0 1 1 0 8 0 pipepl 128 848 0 829 5 3 2 2 0 8 1 fdescpl 424 1191 0 1178 2 0 2 2 0 8 0 filepl 120 9545 0 9457 7 3 4 5 0 8 1 lockfpl 104 328 0 328 1 0 1 1 0 8 1 lockfspl 48 100 0 100 1 0 1 1 0 8 1 sessionpl 112 20 0 12 1 0 1 1 0 8 0 pgrppl 48 34 0 26 1 0 1 1 0 8 0 ucredpl 96 1095 0 1089 1 0 1 1 0 8 0 zombiepl 144 1178 0 1178 1 0 1 1 0 8 1 processpl 864 1207 0 1178 4 0 4 4 0 8 0 procpl 632 2418 0 2378 4 0 4 4 0 8 0 sosppl 128 9 0 9 4 3 1 1 0 8 1 sockpl 384 1964 0 1954 9 6 3 7 0 8 1 mcl64k 65536 309 0 309 30 29 1 29 0 8 1 mcl16k 16384 14 0 14 4 3 1 1 0 8 1 mcl12k 12288 23 0 23 2 1 1 1 0 8 1 mcl9k 9216 12 0 12 4 4 0 1 0 8 0 mcl8k 8192 39 0 39 1 0 1 1 0 8 1 mcl4k 4096 109 0 109 2 1 1 1 0 8 1 mcl2k2 2112 15 0 15 2 2 0 1 0 8 0 mcl2k 2048 68957 0 68883 33 23 10 22 0 8 0 mtagpl 80 47 0 38 2 1 1 1 0 8 0 mbufpl 256 118324 0 118161 37 22 15 27 0 8 1 bufpl 280 9492 0 4557 353 0 353 353 0 8 0 anonpl 16 147745 0 125916 114 26 88 97 0 62 0 amapchunkpl 152 5577 0 5417 25 17 8 20 0 158 1 amappl16 192 6688 0 5327 90 21 69 69 0 8 0 amappl15 184 720 0 710 1 0 1 1 0 8 0 amappl14 176 421 0 419 1 0 1 1 0 8 0 amappl13 168 167 0 167 1 1 0 1 0 8 0 amappl12 160 7 0 6 3 2 1 1 0 8 0 amappl11 152 56 0 52 1 0 1 1 0 8 0 amappl10 144 71 0 69 2 1 1 1 0 8 0 amappl9 136 596 0 593 1 0 1 1 0 8 0 amappl8 128 162 0 130 2 0 2 2 0 8 0 amappl7 120 181 0 167 1 0 1 1 0 8 0 amappl6 112 59 0 50 1 0 1 1 0 8 0 amappl5 104 175 0 168 1 0 1 1 0 8 0 amappl4 96 1418 0 1393 1 0 1 1 0 8 0 amappl3 88 529 0 522 1 0 1 1 0 8 0 amappl2 80 9056 0 8982 3 1 2 3 0 8 0 amappl1 72 30026 0 29615 26 16 10 20 0 8 0 amappl 80 2728 0 2676 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 42 0 4 1 0 1 1 0 8 0 uaddrrnd 24 1208 0 1178 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1208 0 1178 1 0 1 1 0 8 0 vmmpekpl 168 10717 0 10692 2 0 2 2 0 8 0 vmmpepl 168 149644 0 147082 182 43 139 142 0 357 27 vmsppl 272 1190 0 1178 2 1 1 2 0 8 0 pdppl 4096 2422 0 2375 7 1 6 6 0 8 0 pvpl 32 383227 0 358628 240 38 202 224 0 265 3 pmappl 200 1207 0 1181 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 224 0 85 6 0 6 6 0 8 0