uvm_fault(0xffffffff82512c50, 0xffff800000ae4000, 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(0xffffffff82512c50, 0xffff800000ae4000, 0, 1) -> e uvm_unmap_remove(ffff800000ae3f00,0,80000000,ffff800016b43af8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ae3f00,0,80000000,ffff800016b43af8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800016b43b30, count: 0 ddb> trace uvm_unmap_remove(ffff800000ae3f00,0,80000000,ffff800016b43af8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000ae3f00,0,80000000,ffff800016b43af8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_map_deallocate(ffff800000ae3f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4249 vm_impl_init_vmx(ffff80001594d040,ffff8000ffff3bf0) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000ab5800,ffff8000ffff3bf0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000ab5800,ffff8000ffff3bf0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd80360e08f0,c5005601,ffff800000ab5800,1,fffffd803f7c6b40,ffff8000ffff3bf0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803836b540,c5005601,ffff800000ab5800,ffff8000ffff3bf0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3bf0,ffff800016b43ed8,ffff800016b43f20) at sys_ioctl+0x5b9 syscall(ffff800016b43fa0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe3e78986670, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800016b43ae0 rbx 0 rdx 0x16ec __ALIGN_SIZE+0x6ec rcx 0xffff80001493f000 rax 0xffff800000ae3f00 r8 0x1 r9 0 r10 0x71c418b305a663ce r11 0xc69dc52d22bb8909 r12 0 r13 0xfffffd802d5bad40 r14 0 r15 0xffff800000ae3f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800016b43a30 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=331153 stat=onproc flags process=0 proc=4000000 pri=79, usrpri=79, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2cc0,0xffffffff825b2828 process=0xffff8000ffff7190 user=0xffff800016b3f000, vmspace=0xfffffd803f012330 estcpu=29, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 99757 253154 2757 0 2 0 syz-executor.0 *99757 331153 2757 0 7 0x4000000 syz-executor.0 87423 461577 0 0 3 0x14200 bored sosplice 2757 96340 12241 0 3 0x82 nanosleep syz-executor.0 18357 218199 12241 0 2 0x2 syz-executor.1 12241 78878 89725 0 3 0x82 thrsleep syz-fuzzer 12241 368947 89725 0 3 0x4000082 thrsleep syz-fuzzer 12241 346823 89725 0 3 0x4000082 thrsleep syz-fuzzer 12241 286667 89725 0 3 0x4000082 thrsleep syz-fuzzer 12241 422642 89725 0 3 0x4000082 kqread syz-fuzzer 12241 475768 89725 0 3 0x4000082 thrsleep syz-fuzzer 12241 357206 89725 0 3 0x4000082 thrsleep syz-fuzzer 12241 327603 89725 0 3 0x4000082 thrsleep syz-fuzzer 89725 325288 62720 0 3 0x10008a pause ksh 62720 169031 36802 0 3 0x92 select sshd 57038 69346 1 0 3 0x100083 ttyin getty 36802 488748 1 0 3 0x80 select sshd 3888 100588 68913 73 3 0x100090 kqread syslogd 68913 132765 1 0 3 0x100082 netio syslogd 90103 9198 1 77 3 0x100090 poll dhclient 49599 132198 1 0 3 0x80 poll dhclient 85163 58222 0 0 2 0x14200 zerothread 53152 455262 0 0 3 0x14200 aiodoned aiodoned 46 343190 0 0 3 0x14200 syncer update 1991 490985 0 0 3 0x14200 cleaner cleaner 5948 212604 0 0 3 0x14200 reaper reaper 20219 478066 0 0 3 0x14200 pgdaemon pagedaemon 11682 524183 0 0 3 0x14200 bored crynlk 85931 225672 0 0 3 0x14200 bored crypto 41299 44304 0 0 3 0x40014200 acpi0 acpi0 64963 249733 0 0 3 0x14200 bored softnet 30385 429075 0 0 3 0x14200 bored systqmp 79956 448827 0 0 3 0x14200 bored systq 15839 105461 0 0 3 0x40014200 bored softclock 89404 97049 0 0 3 0x40014200 idle0 53049 7203 0 0 3 0x14200 bored smr 1 452017 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 9504 6360K 7067K 78643K 11551 0 pcb 13 8K 8K 78643K 92 0 rtable 101 7K 7K 78643K 317 0 ifaddr 68 13K 13K 78643K 127 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 45 0 iov 0 0K 32K 78643K 73 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1510 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 7 1K 1K 78643K 10 0 sem 12 0K 0K 78643K 201 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 303 0 sigio 0 0K 0K 78643K 39 0 proc 48 38K 54K 78643K 402 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 77 0 in_multi 31 2K 2K 78643K 60 0 ether_multi 1 0K 0K 78643K 3 0 mrt 1 0K 0K 78643K 2 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 60 265K 265K 78643K 60 0 exec 0 0K 1K 78643K 213 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 110 38K 47K 78643K 1575 0 UVM aobj 39 3K 3K 78643K 45 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 278 0 NDP 12 0K 0K 78643K 27 0 temp 135 3563K 3636K 78643K 25585 0 kqueue 0 0K 0K 78643K 10 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 11 0 4 1 0 1 1 0 8 0 rtpcb 96 53 0 51 1 0 1 1 0 8 0 rtentry 112 60 0 21 2 0 2 2 0 8 0 unpcb 120 304 0 296 1 0 1 1 0 8 0 syncache 280 6 0 6 2 2 0 1 0 8 0 tcpqe 32 733 0 733 2 2 0 1 0 8 0 tcpcb 640 180 0 176 3 2 1 2 0 8 0 ipq 40 5 0 5 1 1 0 1 0 8 0 ipqe 40 138 0 138 1 1 0 1 0 8 0 inpcb 280 743 0 731 3 1 2 3 0 8 0 nd6 48 6 0 4 1 0 1 1 0 8 0 pkpcb 40 11 0 11 3 2 1 1 0 8 1 ppxss 1128 6 0 6 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 293 0 85 15 2 13 15 0 8 0 art_table 32 294 0 85 2 0 2 2 0 8 0 art_node 16 59 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 38 0 25 1 0 1 1 0 8 0 semapl 112 199 0 189 1 0 1 1 0 8 0 shmpl 112 43 0 6 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1886 0 493 46 0 46 46 0 8 0 ffsino 240 1886 0 493 83 0 83 83 0 8 0 nchpl 144 2580 0 983 60 0 60 60 0 8 0 uvmvnodes 72 2148 0 0 40 0 40 40 0 8 0 vnodes 208 2148 0 0 114 0 114 114 0 8 0 namei 1024 7431 0 7431 2 1 1 1 0 8 1 vcpupl 1984 4 0 0 1 0 1 1 0 8 0 vmpool 520 8 0 3 1 0 1 1 0 8 0 scxspl 208 7651 0 7651 13 9 4 7 0 8 4 plimitpl 152 32 0 25 1 0 1 1 0 8 0 sigapl 432 473 0 460 2 0 2 2 0 8 0 futexpl 56 10709 0 10709 1 0 1 1 0 8 1 knotepl 112 136 0 117 1 0 1 1 0 8 0 kqueuepl 104 89 0 87 1 0 1 1 0 8 0 pipepl 128 374 0 355 3 2 1 2 0 8 0 fdescpl 424 474 0 460 2 0 2 2 0 8 0 filepl 120 4162 0 4061 5 1 4 5 0 8 0 lockfpl 104 136 0 135 1 0 1 1 0 8 0 lockfspl 48 45 0 44 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 466 0 459 1 0 1 1 0 8 0 zombiepl 144 460 0 460 2 1 1 1 0 8 1 processpl 896 489 0 460 4 0 4 4 0 8 0 procpl 648 880 0 843 4 0 4 4 0 8 0 sosppl 144 1 0 1 1 1 0 1 0 8 0 sockpl 384 1131 0 1114 5 2 3 5 0 8 1 mcl64k 65536 299 0 296 33 11 22 33 0 8 21 mcl16k 16384 6 0 6 3 3 0 1 0 8 0 mcl12k 12288 9 0 9 2 1 1 1 0 8 1 mcl9k 9216 5 0 5 2 1 1 1 0 8 1 mcl8k 8192 17 0 15 1 0 1 1 0 8 0 mcl4k 4096 45 0 45 3 2 1 1 0 8 1 mcl2k2 2112 5 0 5 1 1 0 1 0 8 0 mcl2k 2048 68409 0 68375 24 18 6 16 0 8 0 mtagpl 80 29 0 6 2 1 1 1 0 8 0 mbufpl 256 112286 0 111874 50 15 35 43 0 8 8 bufpl 280 6932 0 2001 353 0 353 353 0 8 0 anonpl 16 76904 0 56539 100 1 99 99 0 62 16 amapchunkpl 152 2202 0 2053 13 6 7 11 0 158 0 amappl16 192 3452 0 2315 81 12 69 69 0 8 12 amappl15 184 9 0 8 2 1 1 1 0 8 0 amappl14 176 53 0 48 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 7 0 5 1 0 1 1 0 8 0 amappl11 152 47 0 35 1 0 1 1 0 8 0 amappl10 144 144 0 141 1 0 1 1 0 8 0 amappl9 136 685 0 681 1 0 1 1 0 8 0 amappl8 128 281 0 257 1 0 1 1 0 8 0 amappl7 120 171 0 165 1 0 1 1 0 8 0 amappl6 112 53 0 44 1 0 1 1 0 8 0 amappl5 104 160 0 148 1 0 1 1 0 8 0 amappl4 96 687 0 662 1 0 1 1 0 8 0 amappl3 88 120 0 115 1 0 1 1 0 8 0 amappl2 80 2990 0 2921 3 1 2 3 0 8 0 amappl1 72 17863 0 17459 25 16 9 20 0 8 0 amappl 80 1107 0 1062 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 44 0 6 1 0 1 1 0 8 0 uaddrrnd 24 482 0 460 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 482 0 460 1 0 1 1 0 8 0 vmmpekpl 168 7281 0 7255 2 0 2 2 0 8 0 vmmpepl 168 64988 0 62794 136 26 110 129 0 357 9 vmsppl 272 473 0 460 2 1 1 2 0 8 0 pdppl 4096 970 0 930 8 2 6 6 0 8 0 pvpl 32 208744 0 185322 226 0 226 226 0 265 36 pmappl 200 481 0 463 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 230 0 57 6 0 6 6 0 8 0