uvm_fault(0xffffffff82516880, 0xffff800000b07000, 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(0xffffffff82516880, 0xffff800000b07000, 0, 1) -> e uvm_unmap_remove(ffff800000b06f00,0,80000000,ffff800017971e68,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b06f00,0,80000000,ffff800017971e68,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff800017971ea0, count: 0 ddb> trace uvm_unmap_remove(ffff800000b06f00,0,80000000,ffff800017971e68,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000b06f00,0,80000000,ffff800017971e68,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000b06f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff80001593dc80,ffff8000149178c8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a81800,ffff8000149178c8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a81800,ffff8000149178c8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80360fd750,c5005601,ffff800000a81800,1,fffffd803f7c6ba0,ffff8000149178c8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802f5d2170,c5005601,ffff800000a81800,ffff8000149178c8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000149178c8,ffff800017972248,ffff800017972290) at sys_ioctl+0x5b9 syscall(ffff800017972310) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,75ea2341010) at Xsyscall+0x128 end of kernel end trace frame: 0x7618de66ed0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017971e50 rbx 0 rdx 0x15d3 __ALIGN_SIZE+0x5d3 rcx 0xffff800015951000 rax 0xffff800000b06f00 r8 0x1 r9 0 r10 0x7b575405f464c796 r11 0x85b6292007511348 r12 0 r13 0xfffffd80383297a8 r14 0 r15 0xffff800000b06f00 rip 0xffffffff81dfd0bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017971da0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=82250 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff800014916780,0xffffffff82555660 process=0xffff8000ffff66d0 user=0xffff80001796d000, vmspace=0xfffffd803f013220 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 95569 239546 21234 0 2 0 syz-executor.0 *95569 82250 21234 0 7 0x4000000 syz-executor.0 598 29554 57730 0 2 0 syz-executor.1 598 279560 57730 0 3 0x4000080 fsleep syz-executor.1 598 377866 57730 0 2 0x4000000 syz-executor.1 21234 268893 76653 0 3 0x82 nanosleep syz-executor.0 57730 175839 76653 0 3 0x82 nanosleep syz-executor.1 33263 66401 0 0 3 0x14200 bored sosplice 76653 114640 83790 0 3 0x82 thrsleep syz-fuzzer 76653 280084 83790 0 3 0x4000082 thrsleep syz-fuzzer 76653 290173 83790 0 3 0x4000082 thrsleep syz-fuzzer 76653 199379 83790 0 3 0x4000082 thrsleep syz-fuzzer 76653 231134 83790 0 3 0x4000082 thrsleep syz-fuzzer 76653 117463 83790 0 3 0x4000082 kqread syz-fuzzer 76653 179320 83790 0 3 0x4000082 thrsleep syz-fuzzer 83790 189003 91810 0 3 0x10008a pause ksh 91810 64436 82843 0 3 0x92 select sshd 41562 456193 1 0 3 0x100083 ttyin getty 82843 343613 1 0 3 0x80 select sshd 32768 12022 7393 73 2 0x100010 syslogd 7393 305173 1 0 3 0x100082 netio syslogd 41838 107044 1 77 3 0x100090 poll dhclient 49625 400734 1 0 3 0x80 poll dhclient 32394 125206 0 0 2 0x14200 zerothread 13614 146394 0 0 3 0x14200 aiodoned aiodoned 14180 393825 0 0 3 0x14200 syncer update 70062 388727 0 0 3 0x14200 cleaner cleaner 3738 250600 0 0 3 0x14200 reaper reaper 85933 218370 0 0 3 0x14200 pgdaemon pagedaemon 1612 216569 0 0 3 0x14200 bored crynlk 61730 290363 0 0 3 0x14200 bored crypto 95039 424428 0 0 3 0x40014200 acpi0 acpi0 77947 131460 0 0 3 0x14200 bored softnet 22587 407636 0 0 3 0x14200 bored systqmp 6886 94609 0 0 3 0x14200 bored systq 34425 202392 0 0 3 0x40014200 bored softclock 37569 309178 0 0 3 0x40014200 idle0 92258 505456 0 0 3 0x14200 bored smr 1 354861 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 9517 6466K 8333K 78643K 15944 0 0 pcb 13 8K 8K 78643K 132 0 0 rtable 108 3K 4K 78643K 518 0 0 ifaddr 58 13K 14K 78643K 163 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 46 0 0 iov 0 0K 18K 78643K 531 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1221 77K 77K 78643K 2695 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 13 0 0 VM map 3 0K 0K 78643K 9 0 0 sem 12 0K 1K 78643K 102 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 6 17K 25K 78643K 868 0 0 sigio 0 0K 0K 78643K 6 0 0 proc 49 38K 63K 78643K 567 0 0 subproc 32 2K 2K 78643K 102 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 108 0 0 in_multi 33 2K 2K 78643K 109 0 0 ether_multi 1 0K 0K 78643K 8 0 0 mrt 0 0K 0K 78643K 3 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 322 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 98 21K 30K 78643K 2899 0 0 UVM aobj 41 3K 3K 78643K 54 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 149 0 0 NDP 12 0K 0K 78643K 50 0 0 temp 166 3530K 3596K 78643K 41043 0 0 kqueue 0 0K 0K 78643K 4 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 14 0 8 1 0 1 1 0 8 0 rtpcb 80 70 0 68 1 0 1 1 0 8 0 rtentry 112 85 0 41 2 0 2 2 0 8 0 unpcb 120 511 0 503 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5373 0 5373 1 1 0 1 0 8 0 tcpcb 544 210 0 206 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 4 0 4 1 1 0 1 0 8 0 inpcb 280 629 0 622 3 2 1 2 0 8 0 nd6 48 12 0 8 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 15 0 15 4 3 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 394 0 179 14 0 14 14 0 8 0 art_table 32 395 0 179 2 0 2 2 0 8 0 art_node 16 84 0 44 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 13 3 2 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 100 0 90 1 0 1 1 0 8 0 shmpl 112 52 0 13 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2742 0 1355 46 0 46 46 0 8 0 ffsino 240 2742 0 1355 83 0 83 83 0 8 0 nchpl 144 4371 0 2765 60 0 60 60 0 8 0 uvmvnodes 72 3993 0 0 73 0 73 73 0 8 0 vnodes 208 3993 0 0 211 0 211 211 0 8 0 namei 1024 13934 0 13934 4 3 1 1 0 8 1 vmpool 520 7 0 6 3 2 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 15884 0 15884 9 8 1 7 0 8 1 plimitpl 152 84 0 77 1 0 1 1 0 8 0 sigapl 432 1027 0 1013 2 0 2 2 0 8 0 futexpl 56 19891 0 19890 3 2 1 1 0 8 0 knotepl 112 305 0 286 3 2 1 3 0 8 0 kqueuepl 104 226 0 224 1 0 1 1 0 8 0 pipepl 112 520 0 501 3 2 1 2 0 8 0 fdescpl 424 1028 0 1013 2 0 2 2 0 8 0 filepl 120 8087 0 7987 7 3 4 5 0 8 0 lockfpl 104 645 0 644 1 0 1 1 0 8 0 lockfspl 48 219 0 218 1 0 1 1 0 8 0 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 31 0 21 1 0 1 1 0 8 0 ucredpl 96 1278 0 1271 1 0 1 1 0 8 0 zombiepl 144 1013 0 1013 3 2 1 1 0 8 1 processpl 864 1043 0 1013 4 0 4 4 0 8 0 procpl 632 2043 0 2004 4 0 4 4 0 8 0 sosppl 128 6 0 6 3 3 0 1 0 8 0 sockpl 384 1223 0 1206 6 3 3 4 0 8 1 mcl64k 65536 18 0 18 4 3 1 1 0 8 1 mcl16k 16384 8 0 8 2 1 1 1 0 8 1 mcl12k 12288 21 0 21 4 3 1 1 0 8 1 mcl9k 9216 10 0 10 4 3 1 1 0 8 1 mcl8k 8192 19 0 19 3 2 1 1 0 8 1 mcl4k 4096 71 0 71 4 3 1 1 0 8 1 mcl2k2 2112 3 0 3 3 2 1 1 0 8 1 mcl2k 2048 55642 0 55602 23 17 6 21 0 8 0 mtagpl 80 23 0 13 2 1 1 1 0 8 0 mbufpl 256 95321 0 95245 15 8 7 12 0 8 0 bufpl 256 9249 0 3209 378 0 378 378 0 8 0 anonpl 16 115267 0 101509 87 15 72 72 0 62 13 amapchunkpl 152 4806 0 4703 19 14 5 15 0 158 0 amappl16 192 5292 0 4521 80 33 47 51 0 8 8 amappl15 184 199 0 196 1 0 1 1 0 8 0 amappl14 176 71 0 68 2 1 1 1 0 8 0 amappl13 168 8 0 8 1 1 0 1 0 8 0 amappl12 160 13 0 12 2 1 1 1 0 8 0 amappl11 152 57 0 46 1 0 1 1 0 8 0 amappl10 144 63 0 61 1 0 1 1 0 8 0 amappl9 136 1123 0 1115 1 0 1 1 0 8 0 amappl8 128 681 0 655 1 0 1 1 0 8 0 amappl7 120 115 0 107 1 0 1 1 0 8 0 amappl6 112 78 0 70 1 0 1 1 0 8 0 amappl5 104 168 0 157 1 0 1 1 0 8 0 amappl4 96 1247 0 1219 1 0 1 1 0 8 0 amappl3 88 142 0 137 1 0 1 1 0 8 0 amappl2 80 7358 0 7284 3 1 2 3 0 8 0 amappl1 72 27973 0 27547 29 20 9 20 0 8 0 amappl 80 2320 0 2284 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 53 0 13 1 0 1 1 0 8 0 uaddrrnd 24 1035 0 1013 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1035 0 1013 1 0 1 1 0 8 0 vmmpekpl 168 10433 0 10406 2 0 2 2 0 8 0 vmmpepl 168 129049 0 127127 165 70 95 106 0 357 11 vmsppl 272 1027 0 1013 3 2 1 2 0 8 0 pdppl 4096 2076 0 2038 6 1 5 6 0 8 0 pvpl 32 370130 0 353179 283 58 225 269 0 265 88 pmappl 200 1034 0 1019 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 546 0 42 15 0 15 15 0 8 0