uvm_fault(0xffffffff8252d4a8, 0xffff800000a66000, 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(0xffffffff8252d4a8, 0xffff800000a66000, 0, 1) -> e uvm_unmap_remove(ffff800000a65f00,0,1000000,ffff8000148dfce0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a65f00,0,1000000,ffff8000148dfce0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2221 end trace frame: 0xffff8000148dfd90, count: 0 ddb> trace uvm_unmap_remove(ffff800000a65f00,0,1000000,ffff8000148dfce0,0,1) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:501 [inline] uvm_unmap_remove(ffff800000a65f00,0,1000000,ffff8000148dfce0,0,1) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2221 uvm_share(ffff800000a65f00,0,7,fffffd803f011330,20000000,80000000) at uvm_share+0x55b vm_impl_init_vmx(ffff8000ffff3a68,ffff8000ffff4500) at vm_impl_init_vmx+0xf1 sys/arch/amd64/amd64/vmm.c:1270 vm_create(ffff800000a64000,ffff8000ffff4500) at vm_create+0x193 vm_impl_init sys/arch/amd64/amd64/vmm.c:1385 [inline] vm_create(ffff800000a64000,ffff8000ffff4500) at vm_create+0x193 sys/arch/amd64/amd64/vmm.c:1174 VOP_IOCTL(fffffd80360cd9c0,c5005601,ffff800000a64000,1,fffffd803f7c6c00,ffff8000ffff4500) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8037561000,c5005601,ffff800000a64000,ffff8000ffff4500) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff4500,ffff8000148e0138,ffff8000148e0180) at sys_ioctl+0x5b9 syscall(ffff8000148e0200) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcc6a0, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000148dfcb0 rbx 0 rdx 0x10000 __ALIGN_SIZE+0xf000 rcx 0 rax 0xffff800000a65f00 r8 0 r9 0x1 r10 0xbdc3bd6b0a2a7926 r11 0x3150c89bb9a5e56f r12 0 r13 0xfffffd8037147050 r14 0x10000 __ALIGN_SIZE+0xf000 r15 0xffff800000a65f00 rip 0xffffffff8112bc9b uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000148dfc00 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor7296) pid=230542 stat=onproc flags process=0 proc=0 pri=52, usrpri=52, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff5158,0xffffffff82578840 process=0xffff8000148a2378 user=0xffff8000148db000, vmspace=0xfffffd803f011330 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND *12930 230542 92772 0 7 0 syz-executor7296 92772 132105 79337 0 3 0x82 nanosleep syz-executor7296 79337 325870 18551 0 3 0x10008a pause ksh 18551 148924 65948 0 3 0x92 select sshd 75136 137875 1 0 3 0x100083 ttyin getty 65948 68016 1 0 3 0x80 select sshd 41320 2975 76062 73 3 0x100090 kqread syslogd 76062 120279 1 0 3 0x100082 netio syslogd 50494 332607 1 77 3 0x100090 poll dhclient 17214 146845 1 0 3 0x80 poll dhclient 10916 506233 0 0 3 0x14200 pgzero zerothread 60065 142006 0 0 3 0x14200 aiodoned aiodoned 27175 265034 0 0 3 0x14200 syncer update 2221 74522 0 0 3 0x14200 cleaner cleaner 22655 75090 0 0 3 0x14200 reaper reaper 77788 52806 0 0 3 0x14200 pgdaemon pagedaemon 62559 324921 0 0 3 0x14200 bored crynlk 74260 283336 0 0 3 0x14200 bored crypto 98284 71315 0 0 3 0x40014200 acpi0 acpi0 50034 166461 0 0 3 0x14200 bored softnet 60249 258647 0 0 3 0x14200 bored systqmp 80046 165099 0 0 3 0x14200 bored systq 7391 120342 0 0 3 0x40014200 bored softclock 8623 128992 0 0 3 0x40014200 idle0 93741 375803 0 0 3 0x14200 bored smr 1 456139 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 9445 6329K 6329K 78643K 10557 0 0 pcb 13 8K 8K 78643K 13 0 0 rtable 61 1K 2K 78643K 115 0 0 ifaddr 24 7K 7K 78643K 24 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 24 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1181 74K 74K 78643K 1196 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 13 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1794 195K 288K 78643K 12646 0 0 file desc 1 0K 0K 78643K 1 0 0 sigio 1 0K 0K 78643K 11 0 0 proc 47 38K 46K 78643K 278 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 162 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 53 3K 3K 78643K 707 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 32 3518K 3579K 78643K 1708 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 26 0 23 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 120 71 0 61 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 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 1389 0 15 45 0 45 45 0 8 0 ffsino 240 1389 0 15 81 0 81 81 0 8 0 nchpl 144 1577 0 44 57 0 57 57 0 8 0 uvmvnodes 72 1409 0 0 26 0 26 26 0 8 0 vnodes 208 1409 0 0 75 0 75 75 0 8 0 namei 1024 3604 0 3604 1 0 1 1 0 8 1 vmpool 520 11 0 10 1 0 1 1 0 8 0 scxspl 192 2396 0 2396 2 1 1 2 0 8 1 plimitpl 152 13 0 8 1 0 1 1 0 8 0 sigapl 432 186 0 175 2 0 2 2 0 8 0 knotepl 112 5 0 0 1 0 1 1 0 8 0 kqueuepl 104 23 0 20 1 0 1 1 0 8 0 pipepl 128 224 0 213 1 0 1 1 0 8 0 fdescpl 424 187 0 175 2 0 2 2 0 8 0 filepl 120 1128 0 1073 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 50 0 41 1 0 1 1 0 8 0 ucredpl 96 47 0 40 1 0 1 1 0 8 0 zombiepl 144 175 0 175 1 0 1 1 0 8 1 processpl 864 201 0 175 4 0 4 4 0 8 0 procpl 632 201 0 175 3 0 3 3 0 8 0 sockpl 384 119 0 100 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5774 0 5746 6 0 6 6 0 8 2 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9936 0 9893 5 1 4 4 0 8 0 bufpl 256 2046 0 240 113 0 113 113 0 8 0 anonpl 16 16952 0 15832 7 2 5 7 0 62 0 amapchunkpl 152 473 0 437 2 0 2 2 0 158 0 amappl16 192 81 0 76 1 0 1 1 0 8 0 amappl14 176 35 0 31 1 0 1 1 0 8 0 amappl12 160 5 0 5 1 0 1 1 0 8 1 amappl11 152 40 0 29 1 0 1 1 0 8 0 amappl10 144 1 0 1 1 0 1 1 0 8 1 amappl9 136 374 0 373 1 0 1 1 0 8 0 amappl8 128 84 0 79 1 0 1 1 0 8 0 amappl7 120 15 0 14 1 0 1 1 0 8 0 amappl6 112 42 0 37 1 0 1 1 0 8 0 amappl5 104 150 0 140 1 0 1 1 0 8 0 amappl4 96 395 0 370 1 0 1 1 0 8 0 amappl3 88 101 0 96 1 0 1 1 0 8 0 amappl2 80 718 0 667 2 0 2 2 0 8 0 amappl1 72 11927 0 11545 16 7 9 16 0 8 0 amappl 80 374 0 353 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 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 198 0 175 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 198 0 175 1 0 1 1 0 8 0 vmmpekpl 168 5549 0 5536 1 0 1 1 0 8 0 vmmpepl 168 25446 0 24689 48 9 39 48 0 357 5 vmsppl 272 186 0 175 1 0 1 1 0 8 0 pdppl 4096 402 0 370 5 0 5 5 0 8 0 pvpl 32 70466 0 67690 26 0 26 26 0 265 3 pmappl 200 197 0 185 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 226 0 3 7 0 7 7 0 8 0