uvm_fault(0xffffffff82542bb0, 0xffff800000b09000, 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(0xffffffff82542bb0, 0xffff800000b09000, 0, 1) -> e uvm_unmap_remove(ffff800000b08f00,200000,80200000,ffff800014918538,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b08f00,200000,80200000,ffff800014918538,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff800014918570, count: 0 ddb> trace uvm_unmap_remove(ffff800000b08f00,200000,80200000,ffff800014918538,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000b08f00,200000,80200000,ffff800014918538,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000b08f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff800014893658,ffff8000ffff3650) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a74800,ffff8000ffff3650) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000a74800,ffff8000ffff3650) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803be39680,c5005601,ffff800000a74800,1,fffffd803f7c6a80,ffff8000ffff3650) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802f00b888,c5005601,ffff800000a74800,ffff8000ffff3650) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff3650,ffff800014918918,ffff800014918960) at sys_ioctl+0x5b9 syscall(ffff8000149189e0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,13bd5966010) at Xsyscall+0x128 end of kernel end trace frame: 0x13ed192ae00, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800014918520 rbx 0 rdx 0x16b8 __ALIGN_SIZE+0x6b8 rcx 0xffff800014921000 rax 0xffff800000b08f00 r8 0x1 r9 0 r10 0x8b7213990da5277c r11 0xdb7ff37d1178d98e r12 0x200000 acpi_pdirpa+0x1ebe68 r13 0xfffffd802ef169d8 r14 0x200000 acpi_pdirpa+0x1ebe68 r15 0xffff800000b08f00 rip 0xffffffff813897cb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800014918470 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=113727 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2508,0xffff8000ffff2ef8 process=0xffff8000ffff6a30 user=0xffff800014913000, vmspace=0xfffffd803f013110 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 70397 459131 35864 0 2 0 syz-executor.0 *70397 113727 35864 0 7 0x4000000 syz-executor.0 70397 61046 35864 0 3 0x4000080 fsleep syz-executor.0 31676 489228 0 0 3 0x14200 acct acct 43777 339702 0 0 3 0x14200 bored sosplice 1985 185971 19026 0 2 0x2 syz-executor.1 35864 119345 19026 0 2 0x482 syz-executor.0 19026 207470 99701 0 3 0x82 thrsleep syz-fuzzer 19026 481871 99701 0 2 0x4000482 syz-fuzzer 19026 518702 99701 0 3 0x4000082 thrsleep syz-fuzzer 19026 229977 99701 0 3 0x4000082 thrsleep syz-fuzzer 19026 340533 99701 0 3 0x4000082 kqread syz-fuzzer 19026 64685 99701 0 3 0x4000082 thrsleep syz-fuzzer 19026 407273 99701 0 3 0x4000082 thrsleep syz-fuzzer 99701 58450 67165 0 3 0x10008a pause ksh 67165 176810 38821 0 3 0x92 select sshd 50008 317338 1 0 3 0x100083 ttyin getty 38821 407725 1 0 3 0x80 select sshd 59339 485057 85863 73 2 0x100010 syslogd 85863 450913 1 0 3 0x100082 netio syslogd 33267 76064 1 77 3 0x100090 poll dhclient 53030 441668 1 0 3 0x80 poll dhclient 69869 108770 0 0 2 0x14200 zerothread 74827 277982 0 0 3 0x14200 aiodoned aiodoned 45703 338840 0 0 3 0x14200 syncer update 39579 244940 0 0 3 0x14200 cleaner cleaner 34874 419948 0 0 3 0x14200 reaper reaper 74784 306972 0 0 3 0x14200 pgdaemon pagedaemon 34642 511229 0 0 3 0x14200 bored crynlk 32009 32700 0 0 3 0x14200 bored crypto 2483 43876 0 0 3 0x40014200 acpi0 acpi0 49112 234365 0 0 3 0x14200 bored softnet 44774 487342 0 0 3 0x14200 bored systqmp 72872 492462 0 0 3 0x14200 bored systq 63051 256450 0 0 3 0x40014200 bored softclock 73759 246842 0 0 3 0x40014200 idle0 39720 128525 0 0 3 0x14200 bored smr 1 202031 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 9470 6447K 7407K 78643K 11935 0 0 pcb 13 8K 8K 78643K 66 0 0 rtable 109 3K 4K 78643K 232 0 0 ifaddr 42 11K 11K 78643K 57 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 17 0 0 iov 0 0K 16K 78643K 14 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1230 77K 77K 78643K 1599 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 5 0 0 VM map 3 0K 0K 78643K 4 0 0 sem 12 0K 0K 78643K 59 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 239 0 0 sigio 0 0K 0K 78643K 15 0 0 proc 48 38K 63K 78643K 366 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 296 0 0 in_multi 33 2K 2K 78643K 40 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 3 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 42 185K 185K 78643K 42 0 0 exec 0 0K 1K 78643K 192 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 98 21K 21K 78643K 1402 0 0 UVM aobj 7 2K 3K 78643K 9 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 36 0 0 NDP 7 0K 0K 78643K 15 0 0 temp 101 3522K 3590K 78643K 12156 0 0 kqueue 0 0K 0K 78643K 2 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 31 0 29 1 0 1 1 0 8 0 rtentry 112 47 0 3 2 0 2 2 0 8 0 unpcb 120 153 0 145 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 4909 0 4909 1 1 0 1 0 8 0 tcpcb 544 186 0 182 4 2 2 2 0 8 1 inpcb 280 424 0 417 5 2 3 3 0 8 2 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 4 0 4 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 57 0 47 1 0 1 1 0 8 0 shmpl 112 7 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1726 0 331 46 0 46 46 0 8 0 ffsino 240 1726 0 331 83 0 83 83 0 8 0 nchpl 144 2296 0 685 60 0 60 60 0 8 0 uvmvnodes 72 2105 0 0 39 0 39 39 0 8 0 vnodes 208 2105 0 0 111 0 111 111 0 8 0 namei 1024 6222 0 6221 3 2 1 1 0 8 0 vmpool 520 2 0 1 1 0 1 1 0 8 0 scsiplug 64 2 0 2 1 1 0 1 0 8 0 scxspl 192 6302 0 6302 9 8 1 7 0 8 1 plimitpl 152 26 0 19 1 0 1 1 0 8 0 sigapl 432 410 0 397 2 0 2 2 0 8 0 futexpl 56 5954 0 5953 1 0 1 1 0 8 0 knotepl 112 76 0 57 1 0 1 1 0 8 0 kqueuepl 104 34 0 32 1 0 1 1 0 8 0 pipepl 112 262 0 243 2 1 1 1 0 8 0 fdescpl 424 411 0 397 2 0 2 2 0 8 0 filepl 120 2936 0 2836 6 1 5 5 0 8 1 lockfpl 104 77 0 76 1 0 1 1 0 8 0 lockfspl 48 28 0 27 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 69 0 59 1 0 1 1 0 8 0 ucredpl 96 289 0 282 1 0 1 1 0 8 0 zombiepl 144 397 0 397 3 2 1 1 0 8 1 processpl 864 427 0 397 4 0 4 4 0 8 0 procpl 632 725 0 687 4 0 4 4 0 8 0 sosppl 128 5 0 5 2 2 0 1 0 8 0 sockpl 384 608 0 591 8 3 5 5 0 8 3 mcl64k 65536 10 0 10 3 2 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 2 0 2 2 2 0 1 0 8 0 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 10 0 10 1 1 0 1 0 8 0 mcl4k 4096 21 0 21 3 2 1 1 0 8 1 mcl2k 2048 51831 0 51790 17 11 6 13 0 8 0 mtagpl 80 4 0 2 2 1 1 1 0 8 0 mbufpl 256 85641 0 85564 14 4 10 11 0 8 0 bufpl 256 6578 0 1676 307 0 307 307 0 8 0 anonpl 16 50492 0 36939 73 18 55 70 0 62 0 amapchunkpl 152 1793 0 1666 9 3 6 8 0 158 0 amappl16 192 1972 0 1238 51 13 38 48 0 8 1 amappl14 176 125 0 123 2 1 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 17 0 14 1 0 1 1 0 8 0 amappl11 152 46 0 35 1 0 1 1 0 8 0 amappl10 144 116 0 112 1 0 1 1 0 8 0 amappl9 136 577 0 571 1 0 1 1 0 8 0 amappl8 128 140 0 119 1 0 1 1 0 8 0 amappl7 120 140 0 134 1 0 1 1 0 8 0 amappl6 112 70 0 61 1 0 1 1 0 8 0 amappl5 104 141 0 129 1 0 1 1 0 8 0 amappl4 96 621 0 595 1 0 1 1 0 8 0 amappl3 88 111 0 106 1 0 1 1 0 8 0 amappl2 80 2497 0 2432 4 2 2 3 0 8 0 amappl1 72 17000 0 16588 28 19 9 20 0 8 0 amappl 80 945 0 904 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 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 413 0 397 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 413 0 397 1 0 1 1 0 8 0 vmmpekpl 168 7016 0 6992 2 0 2 2 0 8 0 vmmpepl 168 54883 0 53102 130 46 84 98 0 357 6 vmsppl 272 410 0 397 2 1 1 2 0 8 0 pdppl 4096 832 0 796 6 1 5 6 0 8 0 pvpl 32 173668 0 157099 192 45 147 168 0 265 12 pmappl 200 412 0 398 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 464 0 29 13 0 13 13 0 8 0