uvm_fault(0xffffffff82522438, 0xffff800000ae6000, 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, 0xffff800000ae6000, 0, 1) -> e uvm_unmap_remove(ffff800000ae5f00,0,80000000,ffff800015134968,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000ae5f00,0,80000000,ffff800015134968,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff8000151349a0, count: 0 ddb> trace uvm_unmap_remove(ffff800000ae5f00,0,80000000,ffff800015134968,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000ae5f00,0,80000000,ffff800015134968,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000ae5f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff8000179a3c90,ffff800015960508) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a74800,ffff800015960508) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1375 [inline] vm_create(ffff800000a74800,ffff800015960508) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd803de389c0,c5005601,ffff800000a74800,1,fffffd803f7c6ae0,ffff800015960508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd802ebb9628,c5005601,ffff800000a74800,ffff800015960508) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff800015960508,ffff800015134d48,ffff800015134d90) at sys_ioctl+0x5b9 syscall(ffff800015134e10) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(0,0,ffffffffffffff59,0,3,149a390b010) at Xsyscall+0x128 end of kernel end trace frame: 0x14bbb377d60, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff800015134950 rbx 0 rdx 0x16e8 __ALIGN_SIZE+0x6e8 rcx 0xffff800017778000 rax 0xffff800000ae5f00 r8 0x1 r9 0 r10 0x7eb48612d5c3f8ad r11 0x6badfefbade420dc r12 0 r13 0xfffffd802ebb8c30 r14 0 r15 0xffff800000ae5f00 rip 0xffffffff8172244b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000151348a0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.0) pid=112160 stat=onproc flags process=0 proc=4000000 pri=81, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800015961650,0xffffffff82585f08 process=0xffff8000ffffb0e8 user=0xffff80001512f000, vmspace=0xfffffd803f014110 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 62353 311763 30330 0 2 0 syz-executor.0 *62353 112160 30330 0 7 0x4000000 syz-executor.0 14586 496804 14178 0 2 0x2 syz-executor.1 30330 451030 14178 0 3 0x82 nanosleep syz-executor.0 44378 1645 0 0 3 0x14200 acct acct 29621 448972 0 0 3 0x14200 bored sosplice 14178 21254 22263 0 3 0x82 thrsleep syz-fuzzer 14178 87152 22263 0 3 0x4000082 nanosleep syz-fuzzer 14178 500591 22263 0 3 0x4000082 thrsleep syz-fuzzer 14178 172187 22263 0 3 0x4000082 thrsleep syz-fuzzer 14178 22263 22263 0 3 0x4000082 thrsleep syz-fuzzer 14178 162796 22263 0 3 0x4000082 kqread syz-fuzzer 14178 21708 22263 0 3 0x4000082 thrsleep syz-fuzzer 22263 167595 99095 0 3 0x10008a pause ksh 99095 117622 68366 0 3 0x92 select sshd 33322 41629 1 0 3 0x100083 ttyin getty 68366 300854 1 0 3 0x80 select sshd 62950 176723 13278 73 2 0x100010 syslogd 13278 30748 1 0 3 0x100082 netio syslogd 2710 349278 1 77 3 0x100090 poll dhclient 57025 475833 1 0 3 0x80 poll dhclient 32293 251092 0 0 2 0x14200 zerothread 51715 89791 0 0 3 0x14200 aiodoned aiodoned 87870 104295 0 0 3 0x14200 syncer update 55231 341299 0 0 3 0x14200 cleaner cleaner 53082 180237 0 0 3 0x14200 reaper reaper 36991 208860 0 0 3 0x14200 pgdaemon pagedaemon 77095 462378 0 0 3 0x14200 bored crynlk 53571 184504 0 0 3 0x14200 bored crypto 84920 298943 0 0 3 0x40014200 acpi0 acpi0 75316 519162 0 0 3 0x14200 bored softnet 12479 311914 0 0 3 0x14200 bored systqmp 5185 117709 0 0 3 0x14200 bored systq 48635 425120 0 0 3 0x40014200 bored softclock 79308 305347 0 0 3 0x40014200 idle0 14585 2094 0 0 3 0x14200 bored smr 1 453155 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 9523 6355K 14665K 78643K 14465 0 0 pcb 13 9K 9K 78643K 156 0 0 rtable 116 12K 12K 78643K 644 0 0 ifaddr 63 13K 14K 78643K 189 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 99 0 0 iov 0 0K 16K 78643K 261 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1227 77K 77K 78643K 2502 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 24 0 0 VM map 3 0K 0K 78643K 30 0 0 sem 12 0K 1K 78643K 194 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 3694 0 0 sigio 0 0K 0K 78643K 34 0 0 proc 48 38K 63K 78643K 675 0 0 subproc 32 2K 2K 78643K 136 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 120 0 0 in_multi 33 2K 2K 78643K 144 0 0 ether_multi 1 0K 0K 78643K 7 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 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 365 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 110 22K 31K 78643K 8884 0 0 UVM aobj 130 4K 4K 78643K 134 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 3169 0 0 NDP 14 0K 0K 78643K 61 0 0 temp 183 3531K 3603K 78643K 25975 0 0 kqueue 0 0K 0K 78643K 12 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 19 0 12 1 0 1 1 0 8 0 rtpcb 80 232 0 230 1 0 1 1 0 8 0 rtentry 112 106 0 61 2 0 2 2 0 8 0 unpcb 120 488 0 480 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 5322 0 5322 1 1 0 1 0 8 0 tcpcb 544 2031 0 2027 2 1 1 2 0 8 0 ipq 40 14 0 14 6 5 1 1 0 8 1 ipqe 40 52 0 52 6 5 1 1 0 8 1 inpcb 280 6593 0 6583 14 12 2 4 0 8 1 nd6 48 16 0 12 1 0 1 1 0 8 0 pkpcb 40 10 0 10 3 3 0 1 0 8 0 ppxss 1128 15 0 15 5 4 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 478 0 258 14 0 14 14 0 8 0 art_table 32 479 0 258 2 0 2 2 0 8 0 art_node 16 105 0 64 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 192 0 182 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5596 0 4202 46 0 46 46 0 8 0 ffsino 240 5596 0 4202 83 0 83 83 0 8 0 nchpl 144 10225 0 8619 60 0 60 60 0 8 0 uvmvnodes 72 6191 0 0 113 0 113 113 0 8 0 vnodes 208 6191 0 0 326 0 326 326 0 8 0 namei 1024 27840 0 27840 3 2 1 1 0 8 1 vmpool 520 28 0 27 5 4 1 1 0 8 0 scxspl 192 29275 0 29275 10 8 2 7 0 8 2 plimitpl 152 102 0 95 1 0 1 1 0 8 0 sigapl 432 3847 0 3834 2 0 2 2 0 8 0 futexpl 56 66365 0 66365 1 0 1 1 0 8 1 knotepl 112 393 0 374 1 0 1 1 0 8 0 kqueuepl 104 499 0 497 1 0 1 1 0 8 0 pipepl 112 1660 0 1641 8 7 1 2 0 8 0 fdescpl 424 3848 0 3834 2 0 2 2 0 8 0 filepl 120 20421 0 20320 13 9 4 7 0 8 0 lockfpl 104 301 0 300 1 0 1 1 0 8 0 lockfspl 48 103 0 102 1 0 1 1 0 8 0 sessionpl 112 23 0 13 1 0 1 1 0 8 0 pgrppl 48 35 0 25 1 0 1 1 0 8 0 ucredpl 96 2104 0 2097 1 0 1 1 0 8 0 zombiepl 144 3834 0 3834 3 2 1 1 0 8 1 processpl 864 3864 0 3834 4 0 4 4 0 8 0 procpl 632 7919 0 7882 5 1 4 5 0 8 0 sosppl 128 20 0 20 5 4 1 1 0 8 1 sockpl 384 7356 0 7337 20 16 4 8 0 8 1 mcl64k 65536 40 0 40 7 6 1 1 0 8 1 mcl16k 16384 31 0 31 7 6 1 1 0 8 1 mcl12k 12288 38 0 38 9 8 1 1 0 8 1 mcl9k 9216 17 0 17 7 6 1 1 0 8 1 mcl8k 8192 155 0 155 1 0 1 1 0 8 1 mcl4k 4096 585 0 585 2 1 1 1 0 8 1 mcl2k2 2112 14 0 14 8 8 0 1 0 8 0 mcl2k 2048 61935 0 61896 16 10 6 14 0 8 0 mtagpl 80 28 0 24 3 2 1 1 0 8 0 mbufpl 256 125968 0 125864 15 7 8 9 0 8 0 bufpl 256 12142 0 5951 388 0 388 388 0 8 0 anonpl 16 293586 0 280569 101 25 76 77 0 62 14 amapchunkpl 152 14217 0 14113 27 14 13 14 0 158 8 amappl16 192 16502 0 15666 83 40 43 54 0 8 1 amappl15 184 9 0 9 2 2 0 1 0 8 0 amappl14 176 116 0 115 2 1 1 1 0 8 0 amappl12 160 1827 0 1822 1 0 1 1 0 8 0 amappl11 152 311 0 300 1 0 1 1 0 8 0 amappl10 144 1492 0 1490 1 0 1 1 0 8 0 amappl9 136 647 0 641 1 0 1 1 0 8 0 amappl8 128 246 0 212 2 0 2 2 0 8 0 amappl7 120 1526 0 1520 1 0 1 1 0 8 0 amappl6 112 316 0 302 1 0 1 1 0 8 0 amappl5 104 2025 0 2013 1 0 1 1 0 8 0 amappl4 96 2855 0 2827 1 0 1 1 0 8 0 amappl3 88 1451 0 1444 1 0 1 1 0 8 0 amappl2 80 29717 0 29649 4 2 2 3 0 8 0 amappl1 72 81579 0 81173 26 16 10 20 0 8 0 amappl 80 8226 0 8191 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 64 133 0 4 3 0 3 3 0 8 0 uaddrrnd 24 3876 0 3834 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3876 0 3834 1 0 1 1 0 8 0 vmmpekpl 168 22476 0 22448 2 0 2 2 0 8 0 vmmpepl 168 451017 0 449123 218 104 114 114 0 357 29 vmsppl 272 3847 0 3834 2 1 1 2 0 8 0 pdppl 4096 7758 0 7722 6 1 5 6 0 8 0 pvpl 32 817104 0 800955 324 70 254 255 0 265 109 pmappl 200 3875 0 3861 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 552 0 37 15 0 15 15 0 8 0