uvm_fault(0xffffffff824f4d70, 0xffff800000b44000, 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(0xffffffff824f4d70, 0xffff800000b44000, 0, 1) -> e uvm_unmap_remove(ffff800000b43f00,200000,80200000,ffff800015933ba8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b43f00,200000,80200000,ffff800015933ba8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff800015933be0, count: 0 ddb> trace uvm_unmap_remove(ffff800000b43f00,200000,80200000,ffff800015933ba8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b43f00,200000,80200000,ffff800015933ba8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b43f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001492d878,ffff800014914ee8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000b02800,ffff800014914ee8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000b02800,ffff800014914ee8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803bb4a340,c5005601,ffff800000b02800,1,fffffd803f7c69c0,ffff800014914ee8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803755cca8,c5005601,ffff800000b02800,ffff800014914ee8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800014914ee8,ffff800015933f88,ffff800015933fd0) at sys_ioctl+0x5b9 syscall(ffff800015934050) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,a7f09f43010) at Xsyscall+0x128 end of kernel end trace frame: 0xa815d2f1540, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015933b90 rbx 0 rdx 0x1602 __ALIGN_SIZE+0x602 rcx 0xffff800015966000 rax 0xffff800000b43f00 r8 0x1 r9 0 r10 0x4b5c8f798ae7ff8c r11 0xac27cf05343ad434 r12 0x200000 acpi_pdirpa+0x1ebe68 r13 0xfffffd802a053658 r14 0x200000 acpi_pdirpa+0x1ebe68 r15 0xffff800000b43f00 rip 0xffffffff8211656b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800015933ae0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=29129 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800014915160,0xffffffff8256ac80 process=0xffff8000148a2a38 user=0xffff80001592f000, vmspace=0xfffffd803f013000 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 3156 487561 15727 0 2 0 syz-executor.0 * 3156 29129 15727 0 7 0x4000000 syz-executor.0 26088 494548 36155 0 2 0x2 syz-executor.1 15727 187431 36155 0 2 0x482 syz-executor.0 2780 414518 0 0 3 0x14200 acct acct 10872 162485 0 0 3 0x14200 bored sosplice 36155 467260 41306 0 3 0x82 thrsleep syz-fuzzer 36155 403859 41306 0 2 0x4000482 syz-fuzzer 36155 474243 41306 0 3 0x4000082 thrsleep syz-fuzzer 36155 276530 41306 0 3 0x4000082 thrsleep syz-fuzzer 36155 330437 41306 0 3 0x4000082 kqread syz-fuzzer 36155 517952 41306 0 3 0x4000082 thrsleep syz-fuzzer 36155 8064 41306 0 3 0x4000082 thrsleep syz-fuzzer 41306 467716 21318 0 3 0x10008a pause ksh 21318 99181 88176 0 3 0x92 select sshd 43150 205020 1 0 3 0x100083 ttyin getty 88176 348604 1 0 3 0x80 select sshd 72639 209824 44549 73 2 0x100010 syslogd 44549 516082 1 0 3 0x100082 netio syslogd 90368 465831 1 77 3 0x100090 poll dhclient 57609 260006 1 0 3 0x80 poll dhclient 7942 210164 0 0 2 0x14200 zerothread 68093 259836 0 0 3 0x14200 aiodoned aiodoned 54381 54465 0 0 3 0x14200 syncer update 1049 72155 0 0 3 0x14200 cleaner cleaner 45916 373986 0 0 3 0x14200 reaper reaper 53672 61759 0 0 3 0x14200 pgdaemon pagedaemon 9012 13169 0 0 3 0x14200 bored crynlk 65763 454360 0 0 3 0x14200 bored crypto 71821 329436 0 0 3 0x40014200 acpi0 acpi0 96334 220001 0 0 3 0x14200 bored softnet 1041 316869 0 0 3 0x14200 bored systqmp 28926 267713 0 0 3 0x14200 bored systq 69658 423240 0 0 3 0x40014200 bored softclock 33564 94483 0 0 3 0x40014200 idle0 69913 533 0 0 3 0x14200 bored smr 1 504265 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 Kern Lim devbuf 9564 6377K 7006K 78643K 18531 0 0 pcb 13 8K 8K 78643K 414 0 0 rtable 106 4K 4K 78643K 1200 0 0 ifaddr 70 15K 16K 78643K 407 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 136 0 0 iov 0 0K 32K 78643K 327 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1213 76K 77K 78643K 4202 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 63 0 0 VM map 3 0K 0K 78643K 10 0 0 sem 12 0K 1K 78643K 867 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 3407 0 0 sigio 0 0K 0K 78643K 28 0 0 proc 50 38K 63K 78643K 1093 0 0 subproc 32 2K 2K 78643K 223 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 347 0 0 in_multi 29 1K 2K 78643K 246 0 0 ether_multi 1 0K 0K 78643K 21 0 0 mrt 1 0K 0K 78643K 13 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 180 795K 795K 78643K 180 0 0 exec 0 0K 1K 78643K 639 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 119 22K 28K 78643K 8860 0 0 UVM aobj 107 3K 4K 78643K 129 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 398 0 0 NDP 16 0K 0K 78643K 125 0 0 temp 198 3536K 3613K 78643K 68942 0 0 kqueue 0 0K 0K 78643K 22 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 29 0 23 1 0 1 1 0 8 0 rtpcb 80 274 0 272 1 0 1 1 0 8 0 rtentry 112 158 0 117 2 0 2 2 0 8 0 unpcb 120 2401 0 2388 5 4 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 6221 0 6221 1 1 0 1 0 8 0 tcpcb 544 645 0 641 1 0 1 1 0 8 0 ipq 40 8 0 8 4 4 0 1 0 8 0 ipqe 40 18 0 18 4 4 0 1 0 8 0 inpcb 280 1949 0 1942 3 2 1 2 0 8 0 rttmr 72 2 0 2 2 2 0 1 0 8 0 nd6 48 24 0 21 1 0 1 1 0 8 0 pkpcb 40 14 0 14 6 6 0 1 0 8 0 ppxss 1128 61 0 61 12 11 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 723 0 521 20 6 14 16 0 8 0 art_table 32 724 0 521 2 0 2 2 0 8 0 art_node 16 152 0 115 1 0 1 1 0 8 0 sysvmsgpl 40 31 0 19 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 863 0 853 1 0 1 1 0 8 0 shmpl 112 127 0 22 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7167 0 5772 46 0 46 46 0 8 0 ffsino 240 7167 0 5772 83 0 83 83 0 8 0 nchpl 144 12651 0 11030 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 46019 0 46018 2 1 1 1 0 8 0 vmpool 520 8 0 7 4 3 1 1 0 8 0 scsiplug 64 6 0 6 5 5 0 1 0 8 0 scxspl 192 35594 0 35594 14 12 2 7 0 8 2 plimitpl 152 311 0 304 1 0 1 1 0 8 0 sigapl 432 3545 0 3532 2 0 2 2 0 8 0 futexpl 56 84169 0 84169 1 0 1 1 0 8 1 knotepl 112 945 0 926 8 7 1 3 0 8 0 kqueuepl 104 788 0 786 1 0 1 1 0 8 0 pipepl 112 2822 0 2803 13 11 2 2 0 8 1 fdescpl 424 3546 0 3532 2 0 2 2 0 8 0 filepl 120 31921 0 31823 17 13 4 7 0 8 1 lockfpl 104 1228 0 1227 1 0 1 1 0 8 0 lockfspl 48 404 0 403 1 0 1 1 0 8 0 sessionpl 112 28 0 18 1 0 1 1 0 8 0 pgrppl 48 66 0 56 1 0 1 1 0 8 0 ucredpl 96 3907 0 3900 1 0 1 1 0 8 0 zombiepl 144 3532 0 3532 2 1 1 1 0 8 1 processpl 864 3562 0 3532 4 0 4 4 0 8 0 procpl 632 7602 0 7565 5 1 4 5 0 8 0 sosppl 128 35 0 35 12 12 0 1 0 8 0 sockpl 384 4659 0 4637 25 21 4 7 0 8 1 mcl64k 65536 835 0 835 103 102 1 65 0 8 1 mcl16k 16384 29 0 29 9 9 0 1 0 8 0 mcl12k 12288 55 0 55 15 15 0 1 0 8 0 mcl9k 9216 31 0 31 15 14 1 1 0 8 1 mcl8k 8192 101 0 101 6 5 1 1 0 8 1 mcl4k 4096 337 0 337 2 1 1 1 0 8 1 mcl2k2 2112 16 0 16 8 8 0 1 0 8 0 mcl2k 2048 54678 0 54632 22 15 7 17 0 8 0 mtagpl 80 95 0 86 3 2 1 1 0 8 0 mbufpl 256 108972 0 108864 60 50 10 40 0 8 0 bufpl 256 13464 0 8172 331 0 331 331 0 8 0 anonpl 16 333102 0 319534 153 81 72 73 0 62 13 amapchunkpl 152 15355 0 15245 44 36 8 29 0 158 3 amappl16 192 18462 0 17690 143 96 47 51 0 8 8 amappl15 184 838 0 837 1 0 1 1 0 8 0 amappl14 176 512 0 507 1 0 1 1 0 8 0 amappl13 168 851 0 849 3 2 1 1 0 8 0 amappl12 160 123 0 121 1 0 1 1 0 8 0 amappl11 152 78 0 67 1 0 1 1 0 8 0 amappl10 144 404 0 404 3 3 0 1 0 8 0 amappl9 136 840 0 833 1 0 1 1 0 8 0 amappl8 128 410 0 366 3 1 2 2 0 8 0 amappl7 120 468 0 462 1 0 1 1 0 8 0 amappl6 112 107 0 92 1 0 1 1 0 8 0 amappl5 104 335 0 325 1 0 1 1 0 8 0 amappl4 96 4411 0 4377 1 0 1 1 0 8 0 amappl3 88 510 0 504 1 0 1 1 0 8 0 amappl2 80 26725 0 26659 3 1 2 3 0 8 0 amappl1 72 71337 0 70936 28 19 9 20 0 8 0 amappl 80 8015 0 7978 1 0 1 1 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 128 0 22 2 0 2 2 0 8 0 uaddrrnd 24 3554 0 3532 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3554 0 3532 1 0 1 1 0 8 0 vmmpekpl 168 24568 0 24541 2 0 2 2 0 8 0 vmmpepl 168 416517 0 414676 260 150 110 110 0 357 25 vmsppl 272 3545 0 3532 2 1 1 2 0 8 0 pdppl 4096 7114 0 7078 6 1 5 6 0 8 0 pvpl 32 880250 0 863636 321 153 168 179 0 265 27 pmappl 200 3553 0 3539 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 653 0 193 16 1 15 16 0 8 0