uvm_fault(0xffffffff8253beb0, 0xffff800000a0d000, 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(0xffffffff8253beb0, 0xffff800000a0d000, 0, 1) -> e uvm_unmap_remove(ffff800000a0cf00,0,1000,ffff800017b9a220,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a0cf00,0,1000,ffff800017b9a220,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 end trace frame: 0xffff800017b9a2d0, count: 0 ddb> trace uvm_unmap_remove(ffff800000a0cf00,0,1000,ffff800017b9a220,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a0cf00,0,1000,ffff800017b9a220,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2225 uvm_share(ffff800000a0cf00,0,7,fffffd803f012220,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff8000148a1658,ffff800014925160) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a0a800,ffff800014925160) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a0a800,ffff800014925160) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803e988340,c5005601,ffff800000a0a800,1,fffffd803f7c6ba0,ffff800014925160) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803c94e870,c5005601,ffff800000a0a800,ffff800014925160) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800014925160,ffff800017b9a678,ffff800017b9a6c0) at sys_ioctl+0x5b9 syscall(ffff800017b9a740) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9921fc51860, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017b9a1f0 rbx 0 rdx 0x6be rcx 0xffff800014953000 rax 0xffff800000a0cf00 r8 0 r9 0x1 r10 0x15ce86c628391d44 r11 0xf7e49c82dbb9f7a4 r12 0 r13 0xfffffd802d5302c0 r14 0x1000 __ALIGN_SIZE r15 0xffff800000a0cf00 rip 0xffffffff818c51eb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017b9a140 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=289210 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000149249f8,0xffffffff825770b0 process=0xffff8000ffff6370 user=0xffff800017b95000, vmspace=0xfffffd803f012220 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 31942 313940 46762 0 2 0 syz-executor.1 *31942 289210 46762 0 7 0x4000000 syz-executor.1 6699 450230 3459 0 2 0 syz-executor.0 6699 8394 3459 0 3 0x4000080 netcon2 syz-executor.0 6699 198700 3459 0 2 0x4000000 syz-executor.0 48518 117679 0 0 3 0x14200 bored sosplice 3459 230485 59760 0 3 0x82 nanosleep syz-executor.0 46762 342859 59760 0 3 0x82 nanosleep syz-executor.1 59760 250053 69780 0 3 0x82 thrsleep syz-fuzzer 59760 216140 69780 0 3 0x4000082 nanosleep syz-fuzzer 59760 450467 69780 0 3 0x4000082 thrsleep syz-fuzzer 59760 473668 69780 0 3 0x4000082 thrsleep syz-fuzzer 59760 76052 69780 0 3 0x4000082 thrsleep syz-fuzzer 59760 465846 69780 0 3 0x4000082 thrsleep syz-fuzzer 59760 123419 69780 0 3 0x4000082 thrsleep syz-fuzzer 59760 491516 69780 0 3 0x4000082 kqread syz-fuzzer 69780 309678 49610 0 3 0x10008a pause ksh 49610 114768 46414 0 3 0x92 select sshd 81829 287233 1 0 3 0x100083 ttyin getty 46414 447956 1 0 3 0x80 select sshd 75781 285197 15305 73 3 0x100090 kqread syslogd 15305 293525 1 0 3 0x100082 netio syslogd 61788 160989 1 77 3 0x100090 poll dhclient 72765 515419 1 0 3 0x80 poll dhclient 12247 316776 0 0 2 0x14200 zerothread 12809 58255 0 0 3 0x14200 aiodoned aiodoned 43806 141286 0 0 3 0x14200 syncer update 62350 341728 0 0 3 0x14200 cleaner cleaner 56945 487789 0 0 3 0x14200 reaper reaper 17626 43310 0 0 3 0x14200 pgdaemon pagedaemon 58540 274943 0 0 3 0x14200 bored crynlk 74229 192417 0 0 3 0x14200 bored crypto 50386 396063 0 0 3 0x40014200 acpi0 acpi0 87217 76273 0 0 3 0x14200 bored softnet 57295 74654 0 0 3 0x14200 bored systqmp 12981 188144 0 0 3 0x14200 bored systq 1352 5860 0 0 3 0x40014200 bored softclock 11115 182016 0 0 3 0x40014200 idle0 74697 97335 0 0 3 0x14200 bored smr 1 127104 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 9505 6596K 6905K 78643K 11136 0 pcb 13 8K 8K 78643K 50 0 rtable 104 3K 3K 78643K 237 0 ifaddr 63 13K 13K 78643K 83 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 42 0 iov 1 8K 16K 78643K 183 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1415 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 3 0K 0K 78643K 3 0 sem 12 0K 1K 78643K 72 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 231 0 sigio 0 0K 0K 78643K 4 0 proc 48 38K 63K 78643K 381 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 41 0 in_multi 43 2K 2K 78643K 72 0 ether_multi 1 0K 0K 78643K 3 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 220 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 118 22K 31K 78643K 1514 0 UVM aobj 35 2K 2K 78643K 43 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 32 0 NDP 10 0K 0K 78643K 18 0 temp 117 3016K 3080K 78643K 4693 0 kqueue 0 0K 0K 78643K 1 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 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 57 0 15 2 0 2 2 0 8 0 unpcb 120 153 0 145 2 0 2 2 0 8 1 syncache 264 8 0 8 3 3 0 1 0 8 0 tcpqe 32 433 0 433 2 2 0 1 0 8 0 tcpcb 544 120 0 114 1 0 1 1 0 8 0 ipq 40 4 0 4 2 1 1 1 0 8 1 ipqe 40 52 0 52 2 1 1 1 0 8 1 inpcb 280 310 0 300 2 1 1 2 0 8 0 nd6 48 7 0 4 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 284 0 87 14 0 14 14 0 8 0 art_table 32 285 0 87 2 0 2 2 0 8 0 art_node 16 56 0 17 1 0 1 1 0 8 0 sysvmsgpl 40 34 0 24 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 70 0 60 1 0 1 1 0 8 0 shmpl 112 41 0 8 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1778 0 379 46 0 46 46 0 8 0 ffsino 240 1778 0 379 83 0 83 83 0 8 0 nchpl 144 2352 0 738 60 0 60 60 0 8 0 uvmvnodes 72 1965 0 0 36 0 36 36 0 8 0 vnodes 208 1965 0 0 104 0 104 104 0 8 0 namei 1024 6900 0 6900 1 0 1 1 0 8 1 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 192 7485 0 7485 11 7 4 7 0 8 4 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 432 402 0 388 2 0 2 2 0 8 0 futexpl 56 6977 0 6977 1 0 1 1 0 8 1 knotepl 112 76 0 57 1 0 1 1 0 8 0 kqueuepl 104 56 0 54 1 0 1 1 0 8 0 pipepl 128 286 0 267 2 1 1 2 0 8 0 fdescpl 424 403 0 388 2 0 2 2 0 8 0 filepl 120 3225 0 3123 5 1 4 5 0 8 0 lockfpl 104 125 0 123 1 0 1 1 0 8 0 lockfspl 48 45 0 43 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 621 0 614 1 0 1 1 0 8 0 zombiepl 144 389 0 389 2 1 1 1 0 8 1 processpl 864 419 0 389 4 0 4 4 0 8 0 procpl 632 776 0 736 5 0 5 5 0 8 1 sockpl 384 484 0 464 6 1 5 5 0 8 3 mcl64k 65536 19 0 19 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 2 2 0 1 0 8 0 mcl12k 12288 8 0 8 1 0 1 1 0 8 1 mcl9k 9216 6 0 6 1 1 0 1 0 8 0 mcl8k 8192 11 0 11 1 0 1 1 0 8 1 mcl4k 4096 37 0 37 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 2 1 1 1 0 8 1 mcl2k 2048 68676 0 68619 19 11 8 16 0 8 0 mtagpl 80 10 0 2 2 1 1 1 0 8 0 mbufpl 256 111045 0 110882 22 10 12 20 0 8 0 bufpl 280 7246 0 2300 354 0 354 354 0 8 0 anonpl 16 65695 0 45324 103 6 97 98 0 62 14 amapchunkpl 152 2221 0 2056 15 3 12 12 0 158 4 amappl16 192 2518 0 1399 71 8 63 67 0 8 7 amappl15 184 51 0 47 1 0 1 1 0 8 0 amappl14 176 129 0 125 1 0 1 1 0 8 0 amappl13 168 95 0 92 1 0 1 1 0 8 0 amappl12 160 6 0 5 1 0 1 1 0 8 0 amappl11 152 49 0 38 1 0 1 1 0 8 0 amappl10 144 8 0 6 1 0 1 1 0 8 0 amappl9 136 554 0 550 1 0 1 1 0 8 0 amappl8 128 121 0 96 1 0 1 1 0 8 0 amappl7 120 90 0 80 1 0 1 1 0 8 0 amappl6 112 51 0 46 1 0 1 1 0 8 0 amappl5 104 157 0 145 1 0 1 1 0 8 0 amappl4 96 512 0 486 1 0 1 1 0 8 0 amappl3 88 334 0 322 1 0 1 1 0 8 0 amappl2 80 2541 0 2461 3 1 2 3 0 8 0 amappl1 72 17206 0 16750 26 16 10 20 0 8 0 amappl 80 1023 0 973 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 42 0 8 1 0 1 1 0 8 0 uaddrrnd 24 404 0 388 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 404 0 388 1 0 1 1 0 8 0 vmmpekpl 168 7009 0 6983 2 0 2 2 0 8 0 vmmpepl 168 57051 0 54700 139 24 115 131 0 357 12 vmsppl 272 402 0 388 2 1 1 2 0 8 0 pdppl 4096 814 0 776 6 1 5 6 0 8 0 pvpl 32 190445 0 166987 226 5 221 222 0 265 31 pmappl 200 403 0 388 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 160 0 28 5 0 5 5 0 8 0