uvm_fault(0xffffffff8254f790, 0xffff800000aa5000, 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(0xffffffff8254f790, 0xffff800000aa5000, 0, 1) -> e uvm_unmap_remove(ffff800000aa4f00,0,80000000,ffff800017b4a438,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000aa4f00,0,80000000,ffff800017b4a438,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800017b4a470, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa4f00,0,80000000,ffff800017b4a438,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000aa4f00,0,80000000,ffff800017b4a438,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000aa4f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800016b3da68,ffff8000ffff3b40) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000ab4000,ffff8000ffff3b40) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000ab4000,ffff8000ffff3b40) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803db149c0,c5005601,ffff800000ab4000,1,fffffd803f7c6a20,ffff8000ffff3b40) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80342b7100,c5005601,ffff800000ab4000,ffff8000ffff3b40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff3b40,ffff800017b4a818,ffff800017b4a860) at sys_ioctl+0x5b9 syscall(ffff800017b4a8e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,be0c2223010) at Xsyscall+0x128 end of kernel end trace frame: 0xbe3495a6440, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017b4a420 rbx 0 rdx 0x16b6 __ALIGN_SIZE+0x6b6 rcx 0xffff800016b45000 rax 0xffff800000aa4f00 r8 0x1 r9 0 r10 0x1ff3bf3e1a216b46 r11 0x3c016eccd9f1693c r12 0 r13 0xfffffd8034794000 r14 0 r15 0xffff800000aa4f00 rip 0xffffffff815451bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017b4a370 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=487659 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3160,0xffffffff8258e3e0 process=0xffff8000ffff6a30 user=0xffff800017b45000, vmspace=0xfffffd803f013990 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 37693 85971 60876 0 2 0 syz-executor.0 *37693 487659 60876 0 7 0x4000000 syz-executor.0 60876 52147 48998 0 2 0x482 syz-executor.0 40462 341274 48998 0 2 0x2 syz-executor.1 48998 368404 58257 0 3 0x82 thrsleep syz-fuzzer 48998 91219 58257 0 2 0x4000482 syz-fuzzer 48998 358179 58257 0 3 0x4000082 thrsleep syz-fuzzer 48998 244813 58257 0 3 0x4000082 thrsleep syz-fuzzer 48998 101201 58257 0 3 0x4000082 thrsleep syz-fuzzer 48998 308246 58257 0 3 0x4000082 kqread syz-fuzzer 48998 59252 58257 0 3 0x4000082 thrsleep syz-fuzzer 58257 200899 74507 0 3 0x10008a pause ksh 74507 344725 74497 0 3 0x92 select sshd 29999 260141 1 0 3 0x100083 ttyin getty 74497 444493 1 0 3 0x80 select sshd 20919 429716 46421 73 2 0x100010 syslogd 46421 118989 1 0 3 0x100082 netio syslogd 98640 140625 1 77 3 0x100090 poll dhclient 11562 158905 1 0 3 0x80 poll dhclient 96386 434685 0 0 2 0x14200 zerothread 62850 446023 0 0 3 0x14200 aiodoned aiodoned 76279 256067 0 0 3 0x14200 syncer update 41203 492183 0 0 3 0x14200 cleaner cleaner 27003 462400 0 0 3 0x14200 reaper reaper 4596 1225 0 0 3 0x14200 pgdaemon pagedaemon 53546 246064 0 0 3 0x14200 bored crynlk 71963 164334 0 0 3 0x14200 bored crypto 94439 190979 0 0 3 0x40014200 acpi0 acpi0 67348 384765 0 0 3 0x14200 bored softnet 65551 110508 0 0 3 0x14200 bored systqmp 68537 104165 0 0 3 0x14200 bored systq 77859 136113 0 0 3 0x40014200 bored softclock 21585 72777 0 0 3 0x40014200 idle0 42337 298854 0 0 3 0x14200 bored smr 1 83885 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 9442 6314K 6890K 78643K 11065 0 0 pcb 13 8K 8K 78643K 42 0 0 rtable 108 3K 4K 78643K 228 0 0 ifaddr 40 10K 10K 78643K 61 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 35 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1216 76K 77K 78643K 1338 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 3 0K 0K 78643K 22 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 268 0 0 proc 47 38K 63K 78643K 347 0 0 subproc 32 2K 2K 78643K 34 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 66 0 0 in_multi 33 2K 2K 78643K 137 0 0 ether_multi 1 0K 0K 78643K 30 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 193 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 85 20K 20K 78643K 1382 0 0 UVM aobj 16 2K 2K 78643K 16 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 46 0 0 NDP 6 0K 0K 78643K 15 0 0 temp 88 3520K 3584K 78643K 3896 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 6 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 23 0 15 1 0 1 1 0 8 0 syncache 264 4 0 4 1 0 1 1 0 8 1 sackhl 24 1 0 1 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 544 78 0 73 1 0 1 1 0 8 0 inpcb 280 131 0 123 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 6 0 5 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 213 0 0 14 0 14 14 0 8 0 art_table 32 214 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 shmpl 112 14 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1746 0 341 46 0 46 46 0 8 0 ffsino 240 1746 0 341 84 0 84 84 0 8 0 nchpl 144 2269 0 660 60 0 60 60 0 8 0 uvmvnodes 72 1890 0 0 35 0 35 35 0 8 0 vnodes 208 1890 0 0 100 0 100 100 0 8 0 namei 1024 5368 0 5368 2 1 1 1 0 8 1 vmpool 520 20 0 19 1 0 1 1 0 8 0 scxspl 192 6375 0 6375 8 1 7 7 0 8 7 plimitpl 152 14 0 7 1 0 1 1 0 8 0 sigapl 432 439 0 426 2 0 2 2 0 8 0 futexpl 56 1443 0 1443 1 0 1 1 0 8 1 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 104 25 0 23 1 0 1 1 0 8 0 pipepl 112 134 0 115 2 1 1 1 0 8 0 fdescpl 424 440 0 426 2 0 2 2 0 8 0 filepl 120 1597 0 1501 4 0 4 4 0 8 1 lockfpl 104 47 0 46 1 0 1 1 0 8 0 lockfspl 48 18 0 17 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 54 0 47 1 0 1 1 0 8 0 zombiepl 144 426 0 426 2 1 1 1 0 8 1 processpl 864 454 0 426 4 0 4 4 0 8 0 procpl 632 701 0 666 4 0 4 4 0 8 0 sockpl 384 173 0 155 3 0 3 3 0 8 1 mcl4k 4096 8 0 8 1 0 1 1 0 8 1 mcl2k 2048 9995 0 9954 11 1 10 10 0 8 4 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 20378 0 20306 13 2 11 11 0 8 2 bufpl 256 6463 0 1650 301 0 301 301 0 8 0 anonpl 16 35107 0 32557 15 2 13 13 0 62 2 amapchunkpl 152 1737 0 1649 6 0 6 6 0 158 1 amappl16 192 1130 0 1049 5 0 5 5 0 8 0 amappl15 184 1 0 1 1 0 1 1 0 8 1 amappl14 176 30 0 27 2 1 1 1 0 8 0 amappl13 168 119 0 117 1 0 1 1 0 8 0 amappl12 160 121 0 119 1 0 1 1 0 8 0 amappl11 152 42 0 31 1 0 1 1 0 8 0 amappl10 144 17 0 13 1 0 1 1 0 8 0 amappl9 136 385 0 377 1 0 1 1 0 8 0 amappl8 128 127 0 114 1 0 1 1 0 8 0 amappl7 120 38 0 33 1 0 1 1 0 8 0 amappl6 112 67 0 60 1 0 1 1 0 8 0 amappl5 104 653 0 644 1 0 1 1 0 8 0 amappl4 96 767 0 742 1 0 1 1 0 8 0 amappl3 88 109 0 102 1 0 1 1 0 8 0 amappl2 80 2721 0 2656 4 1 3 3 0 8 1 amappl1 72 16607 0 16199 25 6 19 20 0 8 8 amappl 80 913 0 880 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 15 0 0 1 0 1 1 0 8 0 uaddrrnd 24 460 0 426 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 460 0 426 1 0 1 1 0 8 0 vmmpekpl 168 6450 0 6426 2 0 2 2 0 8 0 vmmpepl 168 55745 0 54641 88 12 76 76 0 357 27 vmsppl 272 439 0 426 3 1 2 2 0 8 1 pdppl 4096 926 0 890 6 0 6 6 0 8 1 pvpl 32 144168 0 138689 120 5 115 115 0 265 70 pmappl 200 459 0 445 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 442 0 7 13 0 13 13 0 8 0