uvm_fault(0xffffffff8251dcf0, 0xffff800000a65000, 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(0xffffffff8251dcf0, 0xffff800000a65000, 0, 1) -> e uvm_unmap_remove(ffff800000a64f00,0,80000000,ffff8000148dfc28,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000a64f00,0,80000000,ffff8000148dfc28,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 end trace frame: 0xffff8000148dfc60, count: 0 ddb> trace uvm_unmap_remove(ffff800000a64f00,0,80000000,ffff8000148dfc28,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:497 [inline] uvm_unmap_remove(ffff800000a64f00,0,80000000,ffff8000148dfc28,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2217 uvm_map_deallocate(ffff800000a64f00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4233 vm_impl_init_vmx(ffff80001488f658,ffff8000ffff4ee0) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000a38800,ffff8000ffff4ee0) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1377 [inline] vm_create(ffff800000a38800,ffff8000ffff4ee0) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1166 VOP_IOCTL(fffffd803a116680,c5005601,ffff800000a38800,1,fffffd803f7c6c00,ffff8000ffff4ee0) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd803623f1e8,c5005601,ffff800000a38800,ffff8000ffff4ee0) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff4ee0,ffff8000148e0008,ffff8000148e0050) at sys_ioctl+0x5b9 syscall(ffff8000148e00d0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,21f,0,3b,0) at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffd66a0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000148dfc10 rbx 0 rdx 0 rcx 0 rax 0xffff800000a64f00 r8 0x1 r9 0 r10 0x1637d7fb731bd180 r11 0x2102060f29393918 r12 0 r13 0xfffffd8035eb3ab0 r14 0 r15 0xffff800000a64f00 rip 0xffffffff81a7e8bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000148dfb60 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor9099) pid=140071 stat=onproc flags process=0 proc=0 pri=53, usrpri=53, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5b38,0xffffffff82589c90 process=0xffff8000148a2a38 user=0xffff8000148db000, vmspace=0xfffffd803f013440 estcpu=6, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *67107 140071 94589 0 7 0 syz-executor9099 94589 482300 99171 0 3 0x82 nanosleep syz-executor9099 99171 270772 88202 0 3 0x10008a pause ksh 88202 457039 30778 0 3 0x92 select sshd 82274 383387 1 0 3 0x100083 ttyin getty 30778 138155 1 0 3 0x80 select sshd 35228 26973 16050 73 2 0x100090 syslogd 16050 216417 1 0 3 0x100082 netio syslogd 80690 433215 1 77 3 0x100090 poll dhclient 66855 190887 1 0 3 0x80 poll dhclient 13852 143017 0 0 2 0x14200 zerothread 60580 506857 0 0 3 0x14200 aiodoned aiodoned 34323 261847 0 0 3 0x14200 syncer update 43546 438942 0 0 3 0x14200 cleaner cleaner 6051 190271 0 0 3 0x14200 reaper reaper 87455 258763 0 0 3 0x14200 pgdaemon pagedaemon 10899 364982 0 0 3 0x14200 bored crynlk 17791 496510 0 0 3 0x14200 bored crypto 20826 116838 0 0 3 0x40014200 acpi0 acpi0 88128 222162 0 0 2 0x14200 softnet 1076 20226 0 0 3 0x14200 bored systqmp 97594 514334 0 0 3 0x14200 bored systq 10148 409399 0 0 3 0x40014200 bored softclock 79052 265998 0 0 3 0x40014200 idle0 33635 161904 0 0 3 0x14200 bored smr 1 158057 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 9428 6307K 6308K 78643K 10521 0 0 pcb 13 8K 8K 78643K 13 0 0 rtable 61 1K 2K 78643K 116 0 0 ifaddr 21 7K 7K 78643K 21 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 67 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1180 74K 74K 78643K 1185 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 3 0K 0K 78643K 56 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 1 0K 0K 78643K 1 0 0 proc 47 38K 46K 78643K 267 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 11 0K 0K 78643K 11 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 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 152 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 52 2K 3K 78643K 764 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 3 0K 0K 78643K 3 0 0 temp 70 3525K 3579K 78643K 1761 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 2 0 0 1 0 1 1 0 8 0 rtpcb 80 15 0 13 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 22 0 16 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 96 0 0 6 0 6 6 0 8 0 art_table 32 97 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1390 0 15 45 0 45 45 0 8 0 ffsino 240 1390 0 15 81 0 81 81 0 8 0 nchpl 144 1578 0 42 57 0 57 57 0 8 0 uvmvnodes 72 1399 0 0 26 0 26 26 0 8 0 vnodes 208 1399 0 0 74 0 74 74 0 8 0 namei 1024 3512 0 3512 3 2 1 1 0 8 1 vmpool 520 54 0 53 1 0 1 1 0 8 0 scxspl 192 2750 0 2750 8 7 1 7 0 8 1 plimitpl 152 13 0 8 1 0 1 1 0 8 0 sigapl 432 230 0 219 2 0 2 2 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 104 1 0 0 1 0 1 1 0 8 0 pipepl 112 118 0 111 3 2 1 1 0 8 0 fdescpl 424 231 0 219 2 0 2 2 0 8 0 filepl 120 892 0 848 2 0 2 2 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 17 0 9 1 0 1 1 0 8 0 pgrppl 48 17 0 9 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 219 0 219 3 2 1 1 0 8 1 processpl 864 245 0 219 4 0 4 4 0 8 0 procpl 632 245 0 219 3 0 3 3 0 8 0 sockpl 384 64 0 48 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 5794 0 5765 7 1 6 6 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 10045 0 10007 7 3 4 4 0 8 1 bufpl 256 2070 0 262 113 0 113 113 0 8 0 anonpl 16 18379 0 17257 8 3 5 7 0 62 0 amapchunkpl 152 599 0 563 2 0 2 2 0 158 0 amappl16 192 130 0 124 1 0 1 1 0 8 0 amappl14 176 13 0 12 3 2 1 1 0 8 0 amappl12 160 3 0 3 1 1 0 1 0 8 0 amappl11 152 40 0 29 1 0 1 1 0 8 0 amappl9 136 388 0 384 1 0 1 1 0 8 0 amappl8 128 84 0 80 1 0 1 1 0 8 0 amappl7 120 13 0 12 1 0 1 1 0 8 0 amappl6 112 58 0 52 1 0 1 1 0 8 0 amappl5 104 207 0 196 1 0 1 1 0 8 0 amappl4 96 397 0 375 1 0 1 1 0 8 0 amappl3 88 103 0 98 1 0 1 1 0 8 0 amappl2 80 714 0 666 4 2 2 2 0 8 1 amappl1 72 12254 0 11869 16 7 9 16 0 8 0 amappl 80 428 0 408 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 285 0 219 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 285 0 219 1 0 1 1 0 8 0 vmmpekpl 168 5426 0 5410 1 0 1 1 0 8 0 vmmpepl 168 26264 0 25511 56 20 36 48 0 357 3 vmsppl 272 230 0 219 1 0 1 1 0 8 0 pdppl 4096 576 0 544 5 0 5 5 0 8 0 pvpl 32 72449 0 69716 35 9 26 26 0 265 1 pmappl 200 284 0 272 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 232 0 9 7 0 7 7 0 8 0