uvm_fault(0xffffffff82512c50, 0xffff800000aa7000, 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, 0xffff800000aa7000, 0, 1) -> e uvm_unmap_remove(ffff800000aa6f00,0,71d000,ffff800014938490,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa6f00,0,71d000,ffff800014938490,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800014938540, count: 0 ddb> trace uvm_unmap_remove(ffff800000aa6f00,0,71d000,ffff800014938490,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000aa6f00,0,71d000,ffff800014938490,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000aa6f00,0,7,fffffd803f012cc0,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff800014892208,ffff8000ffff2a38) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000a8f800,ffff8000ffff2a38) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000a8f800,ffff8000ffff2a38) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803e345340,c5005601,ffff800000a8f800,1,fffffd803f7c6ae0,ffff8000ffff2a38) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802d42fad8,c5005601,ffff800000a8f800,ffff8000ffff2a38) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff2a38,ffff8000149388e8,ffff800014938930) at sys_ioctl+0x5b9 syscall(ffff8000149389b0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5068dc87e0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014938460 rbx 0 rdx 0x561 rcx 0xffff800016b47000 rax 0xffff800000aa6f00 r8 0 r9 0x1 r10 0xaf889b2f46fb3fa2 r11 0x676c646c2f5e208 r12 0 r13 0xfffffd802d4b0160 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000aa6f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000149383b0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=346065 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2528,0xffffffff825b2828 process=0xffff8000ffff6e10 user=0xffff800014933000, vmspace=0xfffffd803f012cc0 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 66351 229099 68933 0 2 0 syz-executor.0 *66351 346065 68933 0 7 0x4000000 syz-executor.0 49824 337158 0 0 3 0x14200 acct acct 56287 353823 0 0 3 0x14200 bored sosplice 68933 361910 95783 0 3 0x82 nanosleep syz-executor.0 376 34882 95783 0 2 0x2 syz-executor.1 95783 460157 31517 0 3 0x82 thrsleep syz-fuzzer 95783 259144 31517 0 3 0x4000082 thrsleep syz-fuzzer 95783 349043 31517 0 3 0x4000082 kqread syz-fuzzer 95783 50029 31517 0 3 0x4000082 thrsleep syz-fuzzer 95783 314258 31517 0 3 0x4000082 thrsleep syz-fuzzer 95783 453445 31517 0 3 0x4000082 thrsleep syz-fuzzer 95783 500088 31517 0 3 0x4000082 thrsleep syz-fuzzer 31517 272167 21499 0 3 0x10008a pause ksh 21499 524023 70006 0 3 0x92 select sshd 43249 84073 1 0 3 0x100083 ttyin getty 70006 113651 1 0 3 0x80 select sshd 85428 385221 62496 73 2 0x100010 syslogd 62496 232096 1 0 3 0x100082 netio syslogd 183 437165 1 77 3 0x100090 poll dhclient 70699 305560 1 0 3 0x80 poll dhclient 92579 384285 0 0 2 0x14200 zerothread 69582 52004 0 0 3 0x14200 aiodoned aiodoned 69576 229830 0 0 3 0x14200 syncer update 67666 365822 0 0 3 0x14200 cleaner cleaner 35443 431323 0 0 3 0x14200 reaper reaper 85421 195135 0 0 3 0x14200 pgdaemon pagedaemon 15583 455893 0 0 3 0x14200 bored crynlk 90515 510702 0 0 3 0x14200 bored crypto 3052 385638 0 0 3 0x40014200 acpi0 acpi0 11474 385836 0 0 3 0x14200 bored softnet 62954 9707 0 0 3 0x14200 bored systqmp 53355 73773 0 0 3 0x14200 bored systq 66371 440760 0 0 3 0x40014200 bored softclock 96646 445104 0 0 3 0x40014200 idle0 3109 374704 0 0 3 0x14200 bored smr 1 46007 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 9478 6461K 6848K 78643K 10976 0 pcb 13 8K 8K 78643K 49 0 rtable 104 3K 3K 78643K 216 0 ifaddr 56 12K 12K 78643K 67 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 60 0 iov 0 0K 16K 78643K 47 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1359 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 9 2K 2K 78643K 10 0 sem 12 0K 1K 78643K 63 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 184 0 sigio 0 0K 0K 78643K 5 0 proc 48 38K 63K 78643K 373 0 subproc 32 2K 2K 78643K 40 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 17 0 in_multi 43 2K 2K 78643K 55 0 ether_multi 1 0K 0K 78643K 3 0 mrt 0 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 202 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 54K 54K 78643K 1271 0 UVM aobj 26 2K 2K 78643K 28 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 17 0 NDP 8 0K 0K 78643K 13 0 temp 122 3562K 3628K 78643K 9571 0 kqueue 0 0K 0K 78643K 4 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 7 0 0 1 0 1 1 0 8 0 rtpcb 96 31 0 29 1 0 1 1 0 8 0 rtentry 112 51 0 8 2 0 2 2 0 8 0 unpcb 120 210 0 202 1 0 1 1 0 8 0 syncache 280 8 0 8 2 1 1 1 0 8 1 tcpqe 32 172 0 172 1 0 1 1 0 8 1 tcpcb 640 101 0 97 3 1 2 2 0 8 1 ipq 40 4 0 2 1 0 1 1 0 8 0 ipqe 40 92 0 90 1 0 1 1 0 8 0 inpcb 280 417 0 408 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 5 0 2 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 238 0 39 14 0 14 14 0 8 0 art_table 32 239 0 39 2 0 2 2 0 8 0 art_node 16 50 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 56 0 41 1 0 1 1 0 8 0 semupl 112 5 0 5 1 0 1 1 0 8 1 semapl 112 59 0 49 1 0 1 1 0 8 0 shmpl 112 26 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1653 0 256 46 0 46 46 0 8 0 ffsino 240 1653 0 256 83 0 83 83 0 8 0 nchpl 144 2127 0 516 60 0 60 60 0 8 0 uvmvnodes 72 1804 0 0 33 0 33 33 0 8 0 vnodes 208 1804 0 0 95 0 95 95 0 8 0 namei 1024 5602 0 5601 1 0 1 1 0 8 0 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 520 8 0 1 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 208 6283 0 6283 8 3 5 7 0 8 5 plimitpl 152 32 0 25 1 0 1 1 0 8 0 sigapl 432 354 0 341 2 0 2 2 0 8 0 futexpl 56 5564 0 5564 1 0 1 1 0 8 1 knotepl 112 88 0 69 1 0 1 1 0 8 0 kqueuepl 104 77 0 75 1 0 1 1 0 8 0 pipepl 128 282 0 263 2 1 1 2 0 8 0 fdescpl 424 355 0 341 2 0 2 2 0 8 0 filepl 120 2663 0 2566 5 1 4 5 0 8 1 lockfpl 104 136 0 135 1 0 1 1 0 8 0 lockfspl 48 34 0 33 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 96 205 0 198 1 0 1 1 0 8 0 zombiepl 144 341 0 341 1 0 1 1 0 8 1 processpl 896 371 0 341 4 0 4 4 0 8 0 procpl 648 593 0 556 4 0 4 4 0 8 0 sosppl 144 2 0 2 1 0 1 1 0 8 1 sockpl 384 666 0 649 5 0 5 5 0 8 3 mcl64k 65536 29 0 29 1 0 1 1 0 8 1 mcl16k 16384 4 0 4 1 0 1 1 0 8 1 mcl12k 12288 10 0 10 1 0 1 1 0 8 1 mcl9k 9216 7 0 7 1 0 1 1 0 8 1 mcl8k 8192 12 0 12 1 0 1 1 0 8 1 mcl4k 4096 25 0 25 2 1 1 1 0 8 1 mcl2k2 2112 1 0 1 1 1 0 1 0 8 0 mcl2k 2048 68874 0 68840 13 8 5 11 0 8 0 mtagpl 80 14 0 2 2 1 1 1 0 8 0 mbufpl 256 111544 0 111369 22 4 18 18 0 8 6 bufpl 280 6795 0 1947 347 0 347 347 0 8 0 anonpl 16 51782 0 31185 87 2 85 85 0 62 2 amapchunkpl 152 1605 0 1436 9 1 8 9 0 158 1 amappl16 192 1907 0 783 58 0 58 58 0 8 1 amappl15 184 141 0 137 1 0 1 1 0 8 0 amappl14 176 46 0 40 1 0 1 1 0 8 0 amappl13 168 82 0 80 1 0 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 48 0 37 1 0 1 1 0 8 0 amappl10 144 11 0 9 1 0 1 1 0 8 0 amappl9 136 555 0 551 1 0 1 1 0 8 0 amappl8 128 143 0 119 1 0 1 1 0 8 0 amappl7 120 35 0 32 1 0 1 1 0 8 0 amappl6 112 56 0 48 1 0 1 1 0 8 0 amappl5 104 165 0 154 1 0 1 1 0 8 0 amappl4 96 648 0 618 1 0 1 1 0 8 0 amappl3 88 123 0 116 1 0 1 1 0 8 0 amappl2 80 2139 0 2068 3 1 2 3 0 8 0 amappl1 72 15853 0 15435 26 16 10 20 0 8 0 amappl 80 815 0 766 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 27 0 2 1 0 1 1 0 8 0 uaddrrnd 24 363 0 341 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 363 0 341 1 0 1 1 0 8 0 vmmpekpl 168 6595 0 6568 2 0 2 2 0 8 0 vmmpepl 168 49862 0 47618 143 15 128 134 0 357 26 vmsppl 272 354 0 341 2 1 1 2 0 8 0 pdppl 4096 732 0 690 7 1 6 6 0 8 0 pvpl 32 163430 0 140034 199 0 199 199 0 265 10 pmappl 200 362 0 342 2 0 2 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 153 0 17 5 0 5 5 0 8 0