uvm_fault(0xffffffff82522438, 0xffff800000ab9000, 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(0xffffffff82522438, 0xffff800000ab9000, 0, 1) -> e uvm_unmap_remove(ffff800000ab8f00,0,80000000,ffff8000159561b8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000ab8f00,0,80000000,ffff8000159561b8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff8000159561f0, count: 0 ddb> trace uvm_unmap_remove(ffff800000ab8f00,0,80000000,ffff8000159561b8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000ab8f00,0,80000000,ffff8000159561b8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000ab8f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff80001488d658,ffff8000ffff2290) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000ad4000,ffff8000ffff2290) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000ad4000,ffff8000ffff2290) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80361aa820,c5005601,ffff800000ad4000,1,fffffd803f7c6a80,ffff8000ffff2290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ec92808,c5005601,ffff800000ad4000,ffff8000ffff2290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff2290,ffff800015956598,ffff8000159565e0) at sys_ioctl+0x5b9 syscall(ffff800015956660) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,2649b8aa010) at Xsyscall+0x128 end of kernel end trace frame: 0x266fe488b70, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000159561a0 rbx 0 rdx 0x1961 __ALIGN_SIZE+0x961 rcx 0xffff800014923000 rax 0xffff800000ab8f00 r8 0x1 r9 0 r10 0x3d81ce10d627d738 r11 0xecf03731984d14c7 r12 0 r13 0xfffffd802eccdcf0 r14 0 r15 0xffff800000ab8f00 rip 0xffffffff8172244b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159560f0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=69524 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3160,0xffffffff82585f08 process=0xffff8000ffff77b0 user=0xffff800015951000, vmspace=0xfffffd803f014550 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=2, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 65936 268600 25932 0 2 0 syz-executor.1 *65936 69524 25932 0 7 0x4000000 syz-executor.1 26609 66369 0 0 3 0x14200 bored sosplice 23297 190101 7856 0 2 0x2 syz-executor.0 25932 505954 7856 0 2 0x482 syz-executor.1 7856 269727 48336 0 3 0x82 kqread syz-fuzzer 7856 273668 48336 0 2 0x4000482 syz-fuzzer 7856 384307 48336 0 3 0x4000082 thrsleep syz-fuzzer 7856 298153 48336 0 3 0x4000082 thrsleep syz-fuzzer 7856 433159 48336 0 3 0x4000082 thrsleep syz-fuzzer 7856 447079 48336 0 2 0x4000482 syz-fuzzer 7856 185804 48336 0 3 0x4000082 thrsleep syz-fuzzer 48336 432712 42622 0 3 0x10008a pause ksh 42622 463316 56911 0 3 0x92 select sshd 92045 72207 1 0 3 0x100083 ttyin getty 56911 273742 1 0 3 0x80 select sshd 91828 29875 13879 73 2 0x100090 syslogd 13879 190115 1 0 3 0x100082 netio syslogd 40273 226890 1 77 3 0x100090 poll dhclient 51868 497204 1 0 3 0x80 poll dhclient 1228 53256 0 0 2 0x14200 zerothread 28270 18057 0 0 3 0x14200 aiodoned aiodoned 95427 206683 0 0 3 0x14200 syncer update 36733 321144 0 0 3 0x14200 cleaner cleaner 47264 326084 0 0 3 0x14200 reaper reaper 4458 207014 0 0 3 0x14200 pgdaemon pagedaemon 4690 240738 0 0 3 0x14200 bored crynlk 45354 189814 0 0 3 0x14200 bored crypto 50869 48693 0 0 3 0x40014200 acpi0 acpi0 32966 317094 0 0 3 0x14200 bored softnet 81312 270907 0 0 3 0x14200 bored systqmp 89128 40695 0 0 3 0x14200 bored systq 29926 468896 0 0 3 0x40014200 bored softclock 29169 44871 0 0 3 0x40014200 idle0 38995 436534 0 0 3 0x14200 bored smr 1 279269 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 9461 6318K 7226K 78643K 11666 0 0 pcb 13 8K 8K 78643K 35 0 0 rtable 102 3K 3K 78643K 236 0 0 ifaddr 42 11K 11K 78643K 66 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 28 0 0 iov 0 0K 16K 78643K 22 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1220 77K 77K 78643K 1518 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 4 0 0 VM map 3 0K 0K 78643K 3 0 0 sem 12 1K 1K 78643K 12 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 237 0 0 sigio 0 0K 0K 78643K 2 0 0 proc 48 38K 63K 78643K 370 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 17 0 0 in_multi 33 2K 2K 78643K 39 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 211 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 94 21K 26K 78643K 1393 0 0 UVM aobj 8 2K 2K 78643K 8 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 28 0 0 NDP 7 0K 0K 78643K 17 0 0 temp 110 3524K 3588K 78643K 3972 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 1 1 0 1 1 0 8 0 rtpcb 80 21 0 19 1 0 1 1 0 8 0 rtentry 112 45 0 4 2 0 2 2 0 8 0 unpcb 120 81 0 73 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5209 0 5209 1 1 0 1 0 8 0 tcpcb 544 82 0 78 1 0 1 1 0 8 0 inpcb 280 227 0 220 2 1 1 2 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 ppxss 1128 6 0 6 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 2 14 0 14 14 0 8 0 art_table 32 213 0 2 2 0 2 2 0 8 0 art_node 16 44 0 7 1 0 1 1 0 8 0 sysvmsgpl 40 20 0 12 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 10 0 0 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 1746 0 351 46 0 46 46 0 8 0 ffsino 240 1746 0 351 83 0 83 83 0 8 0 nchpl 144 2270 0 661 60 0 60 60 0 8 0 uvmvnodes 72 2021 0 0 37 0 37 37 0 8 0 vnodes 208 2021 0 0 107 0 107 107 0 8 0 namei 1024 6110 0 6109 3 2 1 1 0 8 0 vmpool 520 1 0 0 1 0 1 1 0 8 0 scxspl 192 5940 0 5940 10 9 1 7 0 8 1 plimitpl 152 45 0 38 1 0 1 1 0 8 0 sigapl 432 408 0 395 2 0 2 2 0 8 0 futexpl 56 4788 0 4788 1 0 1 1 0 8 1 knotepl 112 87 0 68 1 0 1 1 0 8 0 kqueuepl 104 56 0 54 1 0 1 1 0 8 0 pipepl 112 306 0 287 2 1 1 1 0 8 0 fdescpl 424 409 0 395 2 0 2 2 0 8 0 filepl 120 2585 0 2489 4 0 4 4 0 8 1 lockfpl 104 53 0 52 1 0 1 1 0 8 0 lockfspl 48 16 0 15 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 381 0 374 1 0 1 1 0 8 0 zombiepl 144 395 0 395 3 2 1 1 0 8 1 processpl 864 424 0 395 4 0 4 4 0 8 0 procpl 632 694 0 658 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 0 1 1 0 8 1 sockpl 384 332 0 315 3 0 3 3 0 8 1 mcl64k 65536 1 0 1 1 1 0 1 0 8 0 mcl16k 16384 3 0 3 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 13 0 13 1 0 1 1 0 8 1 mcl4k 4096 22 0 22 2 1 1 1 0 8 1 mcl2k 2048 44899 0 44857 17 11 6 13 0 8 0 mtagpl 80 6 0 2 2 1 1 1 0 8 0 mbufpl 256 74759 0 74667 14 7 7 9 0 8 0 bufpl 256 7468 0 1546 371 0 371 371 0 8 0 anonpl 16 57731 0 43818 72 7 65 70 0 62 7 amapchunkpl 152 2101 0 1974 12 4 8 11 0 158 2 amappl16 192 2220 0 1458 50 8 42 48 0 8 2 amappl15 184 8 0 7 1 0 1 1 0 8 0 amappl14 176 29 0 26 2 1 1 1 0 8 0 amappl12 160 9 0 5 1 0 1 1 0 8 0 amappl11 152 148 0 135 1 0 1 1 0 8 0 amappl10 144 110 0 109 3 2 1 1 0 8 0 amappl9 136 575 0 569 1 0 1 1 0 8 0 amappl8 128 137 0 119 1 0 1 1 0 8 0 amappl7 120 136 0 132 1 0 1 1 0 8 0 amappl6 112 171 0 160 1 0 1 1 0 8 0 amappl5 104 142 0 132 1 0 1 1 0 8 0 amappl4 96 628 0 599 1 0 1 1 0 8 0 amappl3 88 115 0 110 1 0 1 1 0 8 0 amappl2 80 2475 0 2410 4 2 2 3 0 8 0 amappl1 72 16701 0 16297 28 19 9 20 0 8 0 amappl 80 941 0 900 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 410 0 395 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 410 0 395 1 0 1 1 0 8 0 vmmpekpl 168 6912 0 6885 2 0 2 2 0 8 0 vmmpepl 168 54992 0 53190 127 39 88 99 0 357 8 vmsppl 272 408 0 395 2 1 1 2 0 8 0 pdppl 4096 826 0 790 6 1 5 6 0 8 0 pvpl 32 204957 0 188056 253 19 234 239 0 265 96 pmappl 200 409 0 395 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 522 0 26 15 0 15 15 0 8 0