uvm_fault(0xffffffff82513c48, 0xffff800000ac0000, 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, 0xffff800000ac0000, 0, 1) -> e uvm_unmap_remove(ffff800000abff00,0,1ef000,ffff80001797a870,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000abff00,0,1ef000,ffff80001797a870,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff80001797a920, count: 0 ddb> trace uvm_unmap_remove(ffff800000abff00,0,1ef000,ffff80001797a870,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000abff00,0,1ef000,ffff80001797a870,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000abff00,0,7,fffffd803f012ee0,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff8000179af658,ffff8000ffff3458) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a75000,ffff8000ffff3458) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a75000,ffff8000ffff3458) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803c246a90,c5005601,ffff800000a75000,1,fffffd803f7c66c0,ffff8000ffff3458) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d2784c8,c5005601,ffff800000a75000,ffff8000ffff3458) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3458,ffff80001797acc8,ffff80001797ad10) at sys_ioctl+0x5b9 syscall(ffff80001797ad90) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1ef574cc290, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001797a840 rbx 0 rdx 0x29ae __ALIGN_SIZE+0x19ae rcx 0xffff800016b4f000 rax 0xffff800000abff00 r8 0 r9 0x1 r10 0x4affd69eece5d423 r11 0x67278fa7f774a882 r12 0 r13 0xfffffd802d571828 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000abff00 rip 0xffffffff8212be9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001797a790 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=158362 stat=onproc flags process=0 proc=4000000 pri=71, usrpri=71, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2f48,0xffff8000ffff27c0 process=0xffff8000ffff7c10 user=0xffff800017975000, vmspace=0xfffffd803f012ee0 estcpu=21, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 97289 116191 78333 0 2 0 syz-executor.1 97289 44220 78333 0 2 0x4000000 syz-executor.1 *97289 158362 78333 0 7 0x4000000 syz-executor.1 97289 131974 78333 0 3 0x4000080 fsleep syz-executor.1 78190 421951 4628 0 2 0 syz-executor.0 78190 236474 4628 0 3 0x4000080 ttyout syz-executor.0 78190 414658 4628 0 3 0x4000080 ttyout syz-executor.0 78190 16219 4628 0 3 0x4000080 ttyout syz-executor.0 78190 269755 4628 0 3 0x4000080 ttyout syz-executor.0 78190 107859 4628 0 3 0x4000080 ttyout syz-executor.0 78190 503539 4628 0 3 0x4000080 ttyout syz-executor.0 78333 123854 12685 0 3 0x82 nanosleep syz-executor.1 4628 473285 12685 0 3 0x82 nanosleep syz-executor.0 12685 465103 15817 0 3 0x82 thrsleep syz-fuzzer 12685 216817 15817 0 3 0x4000082 thrsleep syz-fuzzer 12685 509597 15817 0 3 0x4000082 kqread syz-fuzzer 12685 320593 15817 0 3 0x4000082 thrsleep syz-fuzzer 12685 305598 15817 0 3 0x4000082 thrsleep syz-fuzzer 12685 415180 15817 0 3 0x4000082 thrsleep syz-fuzzer 12685 247352 15817 0 3 0x4000082 thrsleep syz-fuzzer 15817 182830 12205 0 3 0x10008a pause ksh 12205 122410 72801 0 3 0x92 select sshd 81848 268017 1 0 3 0x100083 ttyin getty 72801 363127 1 0 3 0x80 select sshd 93760 510285 56016 73 3 0x100090 kqread syslogd 56016 289300 1 0 3 0x100082 netio syslogd 24872 237441 1 77 3 0x100090 poll dhclient 24306 294010 1 0 3 0x80 poll dhclient 49191 141133 0 0 2 0x14200 zerothread 39561 483677 0 0 3 0x14200 aiodoned aiodoned 39433 126880 0 0 3 0x14200 syncer update 12500 463527 0 0 3 0x14200 cleaner cleaner 23581 335694 0 0 3 0x14200 reaper reaper 25256 319724 0 0 3 0x14200 pgdaemon pagedaemon 60163 121079 0 0 3 0x14200 bored crynlk 49646 188815 0 0 3 0x14200 bored crypto 61463 149829 0 0 3 0x40014200 acpi0 acpi0 9641 282545 0 0 3 0x14200 bored softnet 23691 6554 0 0 3 0x14200 bored systqmp 32517 98753 0 0 3 0x14200 bored systq 6978 440060 0 0 3 0x40014200 bored softclock 81113 64031 0 0 3 0x40014200 idle0 25269 95067 0 0 3 0x14200 bored smr 1 523541 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 9451 6323K 6711K 78643K 10685 0 pcb 13 8K 8K 78643K 29 0 rtable 110 3K 4K 78643K 206 0 ifaddr 45 11K 11K 78643K 55 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 23 0 iov 0 0K 16K 78643K 100 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1281 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 5 1K 1K 78643K 6 0 sem 12 0K 0K 78643K 28 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 89 0 proc 48 38K 63K 78643K 361 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 6 0 in_multi 53 3K 3K 78643K 61 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 48 212K 212K 78643K 48 0 exec 0 0K 1K 78643K 189 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 114 38K 38K 78643K 1099 0 UVM aobj 6 2K 2K 78643K 6 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 5 0 NDP 5 0K 0K 78643K 11 0 temp 73 3553K 3617K 78643K 4516 0 kqueue 0 0K 0K 78643K 2 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 6 0 0 1 0 1 1 0 8 0 rtpcb 96 27 0 25 1 0 1 1 0 8 0 rtentry 112 46 0 1 2 0 2 2 0 8 0 unpcb 120 37 0 29 1 0 1 1 0 8 0 syncache 280 4 0 4 1 1 0 1 0 8 0 tcpqe 32 272 0 272 1 1 0 1 0 8 0 tcpcb 640 26 0 22 1 0 1 1 0 8 0 inpcb 280 97 0 89 2 0 2 2 0 8 1 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 218 0 0 14 0 14 14 0 8 0 art_table 32 220 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 6 0 6 1 0 1 1 0 8 1 semapl 112 26 0 16 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1517 0 120 46 0 46 46 0 8 0 ffsino 240 1517 0 120 83 0 83 83 0 8 0 nchpl 144 1881 0 269 60 0 60 60 0 8 0 uvmvnodes 72 1587 0 0 29 0 29 29 0 8 0 vnodes 208 1587 0 0 84 0 84 84 0 8 0 namei 1024 4742 0 4742 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 520 4 0 1 1 0 1 1 0 8 0 scxspl 208 4875 0 4875 8 1 7 7 0 8 7 plimitpl 152 14 0 7 1 0 1 1 0 8 0 sigapl 432 259 0 245 2 0 2 2 0 8 0 futexpl 56 1650 0 1649 1 0 1 1 0 8 0 knotepl 112 55 0 36 1 0 1 1 0 8 0 kqueuepl 104 8 0 4 1 0 1 1 0 8 0 pipepl 128 166 0 145 1 0 1 1 0 8 0 fdescpl 424 260 0 245 2 0 2 2 0 8 0 filepl 120 1645 0 1535 4 0 4 4 0 8 0 lockfpl 104 19 0 18 1 0 1 1 0 8 0 lockfspl 48 8 0 7 1 0 1 1 0 8 0 sessionpl 128 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 256 0 249 1 0 1 1 0 8 0 zombiepl 144 245 0 245 1 0 1 1 0 8 1 processpl 896 274 0 245 4 0 4 4 0 8 0 procpl 648 423 0 379 5 0 5 5 0 8 1 sockpl 384 161 0 143 3 0 3 3 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 1 0 1 1 0 8 1 mcl4k 4096 14 0 14 2 1 1 1 0 8 1 mcl2k 2048 68697 0 68666 19 12 7 15 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 109196 0 109100 11 4 7 11 0 8 0 bufpl 280 6178 0 1398 343 0 343 343 0 8 0 anonpl 16 47393 0 23341 99 2 97 97 0 62 0 amapchunkpl 152 1260 0 1076 10 2 8 9 0 158 0 amappl16 192 1678 0 338 67 0 67 67 0 8 0 amappl14 176 55 0 47 1 0 1 1 0 8 0 amappl13 168 1 0 0 1 0 1 1 0 8 0 amappl12 160 4 0 4 1 1 0 1 0 8 0 amappl11 152 47 0 35 1 0 1 1 0 8 0 amappl10 144 8 0 7 1 0 1 1 0 8 0 amappl9 136 600 0 595 1 0 1 1 0 8 0 amappl8 128 186 0 159 1 0 1 1 0 8 0 amappl7 120 33 0 30 1 0 1 1 0 8 0 amappl6 112 63 0 51 1 0 1 1 0 8 0 amappl5 104 134 0 125 1 0 1 1 0 8 0 amappl4 96 470 0 440 1 0 1 1 0 8 0 amappl3 88 110 0 103 1 0 1 1 0 8 0 amappl2 80 1273 0 1196 3 1 2 3 0 8 0 amappl1 72 14492 0 14046 26 17 9 20 0 8 0 amappl 80 648 0 593 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 264 0 245 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 264 0 245 1 0 1 1 0 8 0 vmmpekpl 168 6186 0 6161 2 0 2 2 0 8 0 vmmpepl 168 39433 0 36856 141 12 129 135 0 357 16 vmsppl 272 259 0 245 2 1 1 2 0 8 0 pdppl 4096 534 0 494 7 1 6 6 0 8 0 pvpl 32 166807 0 138623 228 0 228 228 0 265 0 pmappl 200 263 0 246 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 148 0 21 4 0 4 4 0 8 0