uvm_fault(0xffffffff82513c48, 0xffff800000a98000, 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, 0xffff800000a98000, 0, 1) -> e uvm_unmap_remove(ffff800000a97f00,0,1ef000,ffff8000159528d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a97f00,0,1ef000,ffff8000159528d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800015952980, count: 0 ddb> trace uvm_unmap_remove(ffff800000a97f00,0,1ef000,ffff8000159528d0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a97f00,0,1ef000,ffff8000159528d0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a97f00,0,7,fffffd803f012110,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800015939658,ffff800015936018) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a96800,ffff800015936018) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a96800,ffff800015936018) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803c4119c0,c5005601,ffff800000a96800,1,fffffd803f7c67e0,ffff800015936018) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803755b9d8,c5005601,ffff800000a96800,ffff800015936018) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800015936018,ffff800015952d28,ffff800015952d70) at sys_ioctl+0x5b9 syscall(ffff800015952df0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b209b91590, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000159528a0 rbx 0 rdx 0x4d8 rcx 0xffff800017b37000 rax 0xffff800000a97f00 r8 0 r9 0x1 r10 0xb0c92f4f70f0fbf4 r11 0xeac0fffcff93523f r12 0 r13 0xfffffd802d5cac10 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a97f00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159527f0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=93525 stat=onproc flags process=0 proc=4000000 pri=74, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff800015936a38,0xffffffff825b8d60 process=0xffff8000ffff6390 user=0xffff80001594d000, vmspace=0xfffffd803f012110 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 19711 272928 46769 0 2 0 syz-executor.0 *19711 93525 46769 0 7 0x4000000 syz-executor.0 46769 104627 52824 0 2 0x482 syz-executor.0 81346 84703 0 0 3 0x14200 acct acct 72527 377632 0 0 3 0x14200 bored sosplice 22732 511939 52824 0 2 0x2 syz-executor.1 52824 86282 73466 0 3 0x82 thrsleep syz-fuzzer 52824 208486 73466 0 3 0x4000082 nanosleep syz-fuzzer 52824 305912 73466 0 3 0x4000082 kqread syz-fuzzer 52824 285593 73466 0 3 0x4000082 thrsleep syz-fuzzer 52824 493235 73466 0 3 0x4000082 thrsleep syz-fuzzer 52824 226426 73466 0 3 0x4000082 thrsleep syz-fuzzer 52824 334507 73466 0 3 0x4000082 thrsleep syz-fuzzer 73466 134247 85375 0 3 0x10008a pause ksh 85375 317454 95243 0 3 0x92 select sshd 9559 475149 1 0 3 0x100083 ttyin getty 95243 356962 1 0 3 0x80 select sshd 26340 504309 38720 73 3 0x100090 kqread syslogd 38720 110054 1 0 3 0x100082 netio syslogd 51382 158420 0 0 2 0x14200 zerothread 83208 278773 0 0 3 0x14200 aiodoned aiodoned 14239 344833 0 0 3 0x14200 syncer update 94173 400832 0 0 3 0x14200 cleaner cleaner 4827 2171 0 0 3 0x14200 reaper reaper 78520 412228 0 0 3 0x14200 pgdaemon pagedaemon 36835 43779 0 0 3 0x14200 bored crynlk 17231 421609 0 0 3 0x14200 bored crypto 78470 255013 0 0 3 0x40014200 acpi0 acpi0 75903 285993 0 0 3 0x14200 bored softnet 53037 269814 0 0 3 0x14200 bored systqmp 92352 382298 0 0 3 0x14200 bored systq 22916 503381 0 0 3 0x40014200 bored softclock 70638 374911 0 0 3 0x40014200 idle0 94640 194952 0 0 3 0x14200 bored smr 1 368657 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 9523 6348K 7361K 78643K 12396 0 pcb 13 8K 8K 78643K 82 0 rtable 96 11K 11K 78643K 282 0 ifaddr 66 12K 13K 78643K 128 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 30 0 iov 0 0K 16K 78643K 81 0 mount 1 1K 1K 78643K 1 0 vnodes 1226 77K 77K 78643K 1782 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 7 0 VM map 5 1K 1K 78643K 9 0 sem 12 0K 0K 78643K 82 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 342 0 sigio 0 0K 0K 78643K 16 0 proc 43 30K 54K 78643K 429 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 40 0 in_multi 40 2K 2K 78643K 69 0 ether_multi 1 0K 0K 78643K 5 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 231 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 101 21K 31K 78643K 1690 0 UVM aobj 28 2K 2K 78643K 36 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 65 0 NDP 12 0K 0K 78643K 28 0 temp 135 3563K 3632K 78643K 20554 0 kqueue 0 0K 0K 78643K 11 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 8 0 4 1 0 1 1 0 8 0 rtpcb 96 45 0 45 1 0 1 1 0 8 1 rtentry 112 58 0 23 2 0 2 2 0 8 0 unpcb 120 204 0 198 1 0 1 1 0 8 0 syncache 280 6 0 6 2 2 0 1 0 8 0 tcpqe 32 208 0 208 1 1 0 1 0 8 0 tcpcb 640 118 0 114 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 280 408 0 404 4 1 3 3 0 8 2 nd6 48 6 0 4 1 0 1 1 0 8 0 swfcl 56 2 0 0 1 0 1 1 0 8 0 ppxss 1128 6 0 6 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 266 0 90 14 3 11 14 0 8 0 art_table 32 268 0 90 2 0 2 2 0 8 0 art_node 16 55 0 23 1 0 1 1 0 8 0 sysvmsgpl 40 22 0 14 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 80 0 70 1 0 1 1 0 8 0 shmpl 112 34 0 8 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1931 0 539 46 0 46 46 0 8 0 ffsino 240 1931 0 539 83 0 83 83 0 8 0 nchpl 144 2632 0 1034 60 0 60 60 0 8 0 uvmvnodes 72 2438 0 0 45 0 45 45 0 8 0 vnodes 208 2438 0 0 129 0 129 129 0 8 0 namei 1024 7799 0 7799 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 7 0 4 1 0 1 1 0 8 0 scxspl 208 8025 0 8025 8 6 2 7 0 8 2 plimitpl 152 49 0 43 1 0 1 1 0 8 0 sigapl 432 509 0 498 2 0 2 2 0 8 0 futexpl 56 9799 0 9799 1 0 1 1 0 8 1 knotepl 112 242 0 222 1 0 1 1 0 8 0 kqueuepl 104 214 0 211 1 0 1 1 0 8 0 pipepl 128 318 0 299 1 0 1 1 0 8 0 fdescpl 424 510 0 498 2 0 2 2 0 8 0 filepl 120 4079 0 3993 6 1 5 5 0 8 2 lockfpl 104 145 0 145 1 0 1 1 0 8 1 lockfspl 48 52 0 52 1 0 1 1 0 8 1 sessionpl 128 18 0 10 1 0 1 1 0 8 0 pgrppl 48 30 0 22 1 0 1 1 0 8 0 ucredpl 96 446 0 440 1 0 1 1 0 8 0 zombiepl 144 498 0 498 1 0 1 1 0 8 1 processpl 896 526 0 498 4 0 4 4 0 8 0 procpl 648 936 0 901 4 0 4 4 0 8 0 sosppl 144 4 0 4 2 2 0 1 0 8 0 sockpl 384 691 0 681 7 1 6 6 0 8 4 mcl64k 65536 39 0 39 1 0 1 1 0 8 1 mcl16k 16384 4 0 4 1 0 1 1 0 8 1 mcl12k 12288 10 0 10 1 0 1 1 0 8 1 mcl9k 9216 9 0 9 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 2 1 1 1 0 8 1 mcl4k 4096 57 0 57 2 1 1 1 0 8 1 mcl2k 2048 68928 0 68905 14 10 4 12 0 8 0 mtagpl 80 21 0 12 2 1 1 1 0 8 0 mbufpl 256 111265 0 111200 20 6 14 15 0 8 8 bufpl 280 7291 0 2368 352 0 352 352 0 8 0 anonpl 16 75986 0 56066 107 10 97 97 0 62 13 amapchunkpl 152 2685 0 2538 18 7 11 14 0 158 5 amappl16 192 2938 0 1803 74 9 65 68 0 8 8 amappl15 184 292 0 289 1 0 1 1 0 8 0 amappl14 176 52 0 47 1 0 1 1 0 8 0 amappl12 160 85 0 81 1 0 1 1 0 8 0 amappl11 152 51 0 47 1 0 1 1 0 8 0 amappl10 144 82 0 81 1 0 1 1 0 8 0 amappl9 136 577 0 573 1 0 1 1 0 8 0 amappl8 128 168 0 136 2 0 2 2 0 8 0 amappl7 120 115 0 110 1 0 1 1 0 8 0 amappl6 112 57 0 47 1 0 1 1 0 8 0 amappl5 104 222 0 213 1 0 1 1 0 8 0 amappl4 96 648 0 626 1 0 1 1 0 8 0 amappl3 88 201 0 195 1 0 1 1 0 8 0 amappl2 80 3374 0 3314 3 1 2 3 0 8 0 amappl1 72 18534 0 18152 27 18 9 20 0 8 0 amappl 80 1193 0 1152 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 35 0 8 1 0 1 1 0 8 0 uaddrrnd 24 517 0 498 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 517 0 498 1 0 1 1 0 8 0 vmmpekpl 168 7748 0 7725 2 0 2 2 0 8 0 vmmpepl 168 68727 0 66571 152 20 132 137 0 357 36 vmsppl 272 509 0 498 2 1 1 2 0 8 0 pdppl 4096 1040 0 1006 6 1 5 6 0 8 0 pvpl 32 215413 0 193056 231 13 218 218 0 265 30 pmappl 200 516 0 502 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 153 0 25 4 0 4 4 0 8 0