uvm_fault(0xffffffff82512c50, 0xffff800000b74000, 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, 0xffff800000b74000, 0, 1) -> e uvm_unmap_remove(ffff800000b73f00,0,1ef000,ffff800017b61ee0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000b73f00,0,1ef000,ffff800017b61ee0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 end trace frame: 0xffff800017b61f90, count: 0 ddb> trace uvm_unmap_remove(ffff800000b73f00,0,1ef000,ffff800017b61ee0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000b73f00,0,1ef000,ffff800017b61ee0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2232 uvm_share(ffff800000b73f00,0,7,fffffd803f012330,20000000,200000) at uvm_share+0x55b vm_impl_init_vmx(ffff800017b5b860,ffff8000ffff3458) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1269 vm_create(ffff800000b70800,ffff8000ffff3458) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1384 [inline] vm_create(ffff800000b70800,ffff8000ffff3458) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1173 VOP_IOCTL(fffffd803e70c9c0,c5005601,ffff800000b70800,1,fffffd803f7c6c60,ffff8000ffff3458) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802dd481f8,c5005601,ffff800000b70800,ffff8000ffff3458) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3458,ffff800017b62338,ffff800017b62380) at sys_ioctl+0x5b9 syscall(ffff800017b62400) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e84aeae970, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800017b61eb0 rbx 0 rdx 0x47b rcx 0xffff800016d51000 rax 0xffff800000b73f00 r8 0 r9 0x1 r10 0x1490dc49ff2ccf9c r11 0xdd7a3903da7c2a82 r12 0 r13 0xfffffd802d766210 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000b73f00 rip 0xffffffff81fdb9fb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800017b61e00 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=365862 stat=onproc flags process=0 proc=4000000 pri=63, usrpri=63, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff31d0,0xffff8000ffff2538 process=0xffff8000ffff6e10 user=0xffff800017b5d000, vmspace=0xfffffd803f012330 estcpu=13, cpticks=1, pctcpu=0.1 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 80701 86434 64976 0 2 0 syz-executor.1 80701 489715 64976 0 3 0x4000080 ttyout syz-executor.1 7527 170765 6153 0 2 0 syz-executor.0 7527 231984 6153 0 2 0x4000000 syz-executor.0 * 7527 365862 6153 0 7 0x4000000 syz-executor.0 6153 511898 23561 0 2 0x482 syz-executor.0 64976 53670 23561 0 2 0x482 syz-executor.1 23561 448006 39420 0 3 0x82 kqread syz-fuzzer 23561 268087 39420 0 3 0x4000082 thrsleep syz-fuzzer 23561 337324 39420 0 3 0x4000082 thrsleep syz-fuzzer 23561 125521 39420 0 3 0x4000082 thrsleep syz-fuzzer 23561 143004 39420 0 3 0x4000082 thrsleep syz-fuzzer 23561 253475 39420 0 3 0x4000082 thrsleep syz-fuzzer 23561 96097 39420 0 3 0x4000082 thrsleep syz-fuzzer 39420 265748 50227 0 3 0x10008a pause ksh 50227 250109 55126 0 3 0x92 select sshd 65785 283326 1 0 3 0x100083 ttyin getty 55126 318945 1 0 3 0x80 select sshd 41845 229731 58714 73 3 0x100090 kqread syslogd 58714 89542 1 0 3 0x100082 netio syslogd 65659 232464 1 77 3 0x100090 poll dhclient 630 451415 1 0 3 0x80 poll dhclient 37242 463392 0 0 2 0x14200 zerothread 42118 435654 0 0 3 0x14200 aiodoned aiodoned 99212 139236 0 0 3 0x14200 syncer update 25172 463682 0 0 3 0x14200 cleaner cleaner 30643 240443 0 0 3 0x14200 reaper reaper 67842 107312 0 0 3 0x14200 pgdaemon pagedaemon 87533 159379 0 0 3 0x14200 bored crynlk 59958 202976 0 0 3 0x14200 bored crypto 31039 120028 0 0 3 0x40014200 acpi0 acpi0 84915 84535 0 0 3 0x14200 bored softnet 54070 79148 0 0 3 0x14200 bored systqmp 39331 166841 0 0 3 0x14200 bored systq 84623 266990 0 0 3 0x40014200 bored softclock 52469 185108 0 0 3 0x40014200 idle0 72039 33771 0 0 3 0x14200 bored smr 1 243750 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 9471 6332K 7243K 78643K 10863 0 pcb 13 8K 8K 78643K 61 0 rtable 108 3K 4K 78643K 245 0 ifaddr 54 12K 12K 78643K 70 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 2K 2K 78643K 25 0 iov 0 0K 16K 78643K 32 0 mount 1 1K 1K 78643K 1 0 vnodes 1228 77K 77K 78643K 1312 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 5K 78643K 3 0 VM map 3 0K 0K 78643K 4 0 sem 12 0K 0K 78643K 30 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 130 0 sigio 0 0K 0K 78643K 6 0 proc 47 38K 63K 78643K 371 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 15 0 in_multi 40 2K 2K 78643K 45 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 42 185K 185K 78643K 42 0 exec 0 0K 1K 78643K 183 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 103 21K 22K 78643K 1125 0 UVM aobj 8 2K 2K 78643K 8 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 22 0 NDP 8 0K 0K 78643K 15 0 temp 84 3550K 3614K 78643K 4919 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 8 0 2 1 0 1 1 0 8 0 rtpcb 96 25 0 23 1 0 1 1 0 8 0 rtentry 112 51 0 7 2 0 2 2 0 8 0 unpcb 120 61 0 53 1 0 1 1 0 8 0 syncache 280 6 0 6 2 1 1 1 0 8 1 tcpqe 32 146 0 146 1 0 1 1 0 8 1 tcpcb 640 46 0 41 1 0 1 1 0 8 0 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 45 0 45 1 0 1 1 0 8 1 inpcb 280 347 0 321 2 0 2 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 219 0 6 14 0 14 14 0 8 0 art_table 32 220 0 6 2 0 2 2 0 8 0 art_node 16 50 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 28 0 18 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1554 0 156 46 0 46 46 0 8 0 ffsino 240 1554 0 156 83 0 83 83 0 8 0 nchpl 144 1920 0 308 60 0 60 60 0 8 0 uvmvnodes 72 1675 0 0 31 0 31 31 0 8 0 vnodes 208 1675 0 0 89 0 89 89 0 8 0 namei 1024 4802 0 4802 1 0 1 1 0 8 1 vmpool 520 2 0 1 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 0 1 1 0 8 1 scxspl 208 5181 0 5181 8 1 7 7 0 8 7 plimitpl 152 22 0 15 1 0 1 1 0 8 0 sigapl 432 300 0 286 2 0 2 2 0 8 0 futexpl 56 3241 0 3241 1 0 1 1 0 8 1 knotepl 112 88 0 69 1 0 1 1 0 8 0 kqueuepl 104 56 0 54 1 0 1 1 0 8 0 pipepl 128 310 0 287 3 0 3 3 0 8 2 fdescpl 424 301 0 286 2 0 2 2 0 8 0 filepl 120 2021 0 1894 6 0 6 6 0 8 2 lockfpl 104 27 0 26 1 0 1 1 0 8 0 lockfspl 48 9 0 8 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 96 113 0 106 1 0 1 1 0 8 0 zombiepl 144 286 0 286 1 0 1 1 0 8 1 processpl 896 315 0 286 4 0 4 4 0 8 0 procpl 648 449 0 411 4 0 4 4 0 8 0 sockpl 384 438 0 402 4 0 4 4 0 8 0 mcl64k 65536 10 0 10 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl9k 9216 3 0 3 1 0 1 1 0 8 1 mcl8k 8192 2 0 2 1 1 0 1 0 8 0 mcl4k 4096 28 0 28 2 1 1 1 0 8 1 mcl2k 2048 66906 0 66875 14 6 8 12 0 8 3 mtagpl 80 14 0 2 2 1 1 1 0 8 0 mbufpl 256 107049 0 106960 21 6 15 19 0 8 8 bufpl 280 6234 0 1438 343 0 343 343 0 8 0 anonpl 16 45418 0 25844 81 2 79 79 0 62 0 amapchunkpl 152 1363 0 1207 9 2 7 9 0 158 0 amappl16 192 1597 0 508 55 0 55 55 0 8 0 amappl14 176 92 0 84 1 0 1 1 0 8 0 amappl12 160 12 0 10 2 1 1 1 0 8 0 amappl11 152 45 0 34 1 0 1 1 0 8 0 amappl10 144 60 0 57 1 0 1 1 0 8 0 amappl9 136 554 0 550 1 0 1 1 0 8 0 amappl8 128 146 0 122 1 0 1 1 0 8 0 amappl7 120 85 0 80 1 0 1 1 0 8 0 amappl6 112 52 0 46 1 0 1 1 0 8 0 amappl5 104 148 0 138 1 0 1 1 0 8 0 amappl4 96 467 0 439 1 0 1 1 0 8 0 amappl3 88 206 0 195 1 0 1 1 0 8 0 amappl2 80 1618 0 1545 3 1 2 3 0 8 0 amappl1 72 14781 0 14355 26 17 9 20 0 8 0 amappl 80 673 0 626 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 303 0 286 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 303 0 286 1 0 1 1 0 8 0 vmmpekpl 168 6386 0 6362 2 0 2 2 0 8 0 vmmpepl 168 43411 0 41161 132 9 123 126 0 357 25 vmsppl 272 300 0 286 2 1 1 2 0 8 0 pdppl 4096 612 0 574 6 1 5 6 0 8 0 pvpl 32 148533 0 125343 188 0 188 188 0 265 0 pmappl 200 302 0 287 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 152 0 18 5 0 5 5 0 8 0